Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.)
Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 n...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Chhabra, Gautam [verfasserIn] Sharma, Manveer [verfasserIn] Kalia, Anu [verfasserIn] Kaur, Ajinder [verfasserIn] Sandhu, Jagdeep Singh [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Anmerkung: |
© Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Plant biotechnology reports - Springer Nature Singapore, 2007, 18(2023), 4 vom: 24. Nov., Seite 497-506 |
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| Übergeordnetes Werk: |
volume:18 ; year:2023 ; number:4 ; day:24 ; month:11 ; pages:497-506 |
| Links: |
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| DOI / URN: |
10.1007/s11816-023-00877-y |
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SPR057060029 |
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| 520 | |a Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. | ||
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10.1007/s11816-023-00877-y doi (DE-627)SPR057060029 (SPR)s11816-023-00877-y-e DE-627 ger DE-627 rakwb eng 540 570 VZ Chhabra, Gautam verfasserin aut Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 Sharma, Manveer verfasserin aut Kalia, Anu verfasserin aut Kaur, Ajinder verfasserin aut Sandhu, Jagdeep Singh verfasserin (orcid)0000-0003-3743-2985 aut Enthalten in Plant biotechnology reports Springer Nature Singapore, 2007 18(2023), 4 vom: 24. Nov., Seite 497-506 (DE-627)534054390 (DE-600)2364226-9 1863-5474 nnns volume:18 year:2023 number:4 day:24 month:11 pages:497-506 https://dx.doi.org/10.1007/s11816-023-00877-y X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 4 24 11 497-506 |
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10.1007/s11816-023-00877-y doi (DE-627)SPR057060029 (SPR)s11816-023-00877-y-e DE-627 ger DE-627 rakwb eng 540 570 VZ Chhabra, Gautam verfasserin aut Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 Sharma, Manveer verfasserin aut Kalia, Anu verfasserin aut Kaur, Ajinder verfasserin aut Sandhu, Jagdeep Singh verfasserin (orcid)0000-0003-3743-2985 aut Enthalten in Plant biotechnology reports Springer Nature Singapore, 2007 18(2023), 4 vom: 24. Nov., Seite 497-506 (DE-627)534054390 (DE-600)2364226-9 1863-5474 nnns volume:18 year:2023 number:4 day:24 month:11 pages:497-506 https://dx.doi.org/10.1007/s11816-023-00877-y X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 4 24 11 497-506 |
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10.1007/s11816-023-00877-y doi (DE-627)SPR057060029 (SPR)s11816-023-00877-y-e DE-627 ger DE-627 rakwb eng 540 570 VZ Chhabra, Gautam verfasserin aut Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 Sharma, Manveer verfasserin aut Kalia, Anu verfasserin aut Kaur, Ajinder verfasserin aut Sandhu, Jagdeep Singh verfasserin (orcid)0000-0003-3743-2985 aut Enthalten in Plant biotechnology reports Springer Nature Singapore, 2007 18(2023), 4 vom: 24. Nov., Seite 497-506 (DE-627)534054390 (DE-600)2364226-9 1863-5474 nnns volume:18 year:2023 number:4 day:24 month:11 pages:497-506 https://dx.doi.org/10.1007/s11816-023-00877-y X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 4 24 11 497-506 |
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10.1007/s11816-023-00877-y doi (DE-627)SPR057060029 (SPR)s11816-023-00877-y-e DE-627 ger DE-627 rakwb eng 540 570 VZ Chhabra, Gautam verfasserin aut Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 Sharma, Manveer verfasserin aut Kalia, Anu verfasserin aut Kaur, Ajinder verfasserin aut Sandhu, Jagdeep Singh verfasserin (orcid)0000-0003-3743-2985 aut Enthalten in Plant biotechnology reports Springer Nature Singapore, 2007 18(2023), 4 vom: 24. Nov., Seite 497-506 (DE-627)534054390 (DE-600)2364226-9 1863-5474 nnns volume:18 year:2023 number:4 day:24 month:11 pages:497-506 https://dx.doi.org/10.1007/s11816-023-00877-y X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 4 24 11 497-506 |
| allfieldsSound |
10.1007/s11816-023-00877-y doi (DE-627)SPR057060029 (SPR)s11816-023-00877-y-e DE-627 ger DE-627 rakwb eng 540 570 VZ Chhabra, Gautam verfasserin aut Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 Sharma, Manveer verfasserin aut Kalia, Anu verfasserin aut Kaur, Ajinder verfasserin aut Sandhu, Jagdeep Singh verfasserin (orcid)0000-0003-3743-2985 aut Enthalten in Plant biotechnology reports Springer Nature Singapore, 2007 18(2023), 4 vom: 24. Nov., Seite 497-506 (DE-627)534054390 (DE-600)2364226-9 1863-5474 nnns volume:18 year:2023 number:4 day:24 month:11 pages:497-506 https://dx.doi.org/10.1007/s11816-023-00877-y X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 18 2023 4 24 11 497-506 |
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Enthalten in Plant biotechnology reports 18(2023), 4 vom: 24. Nov., Seite 497-506 volume:18 year:2023 number:4 day:24 month:11 pages:497-506 |
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. 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Chhabra, Gautam |
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Chhabra, Gautam ddc 540 misc spp. misc Germinating seeds misc Chimeras misc Relative transgene expression misc Leaf micro-morphological traits Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) |
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540 570 VZ Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) spp. (dpeaa)DE-He213 Germinating seeds (dpeaa)DE-He213 Chimeras (dpeaa)DE-He213 Relative transgene expression (dpeaa)DE-He213 Leaf micro-morphological traits (dpeaa)DE-He213 |
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Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) |
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Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) |
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monitoring dissociation of chimerism through real-time pcr and scanning electron microscopy following in planta transformation of rough lemon (citrus jambhiri lush.) |
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Monitoring dissociation of chimerism through real-time PCR and scanning electron microscopy following in planta transformation of rough lemon (Citrus jambhiri Lush.) |
| abstract |
Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstractGer |
Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract Citrus spp. are recalcitrant to in vitro shoot regeneration and we report an improved in planta protocol for genetic transformation of rough lemon that bypasses shoot regeneration in tissue culture. The features of the protocol were the use of an Agrobacterium suspension with an $ OD_{600 nm} $ = 0.6–1.0 supplemented with 100 μg acetosyringone, gentle shaking of embryo axes pricked at shoot apical meristems (from 2-day-old germinating seeds) at 70 rpm during agro-infection, followed by growth and development of plantlets at 30 °C. PCR screening of 2-month-old T0 plants revealed the presence of an amplicon corresponding to the β-1,3-glucanase gene in the primary branches of 25 plants with a transformation efficiency of 7.74%. PCR analysis of the secondary branches of these plants after 18 months showed chimerism, i.e., the coexistence of transformed and untransformed branches in all 25 plants. Quantification of β-1,3-glucanase expression in the transformed secondary branches by qRT-PCR showed that plant number 32 had maximum (3.71-fold) relative transgene expression. The qRT-PCR analysis of all four tertiary branches arising from the transformed secondary branch of plant number 32 showed no significant differences in expression among themselves and from the transformed secondary branch, suggesting restoration of the transformed branches with uniform expression and dissociation of chimerism. Scanning electron microscopy examination of leaves from secondary and tertiary branches that uniformly expressed the transgene showed a smooth, waxy surface with non-significant variation in stomata, which had a narrow opening and a mean pore length of 4.22 ± 0.25–5.09 ± 0.36 µm. In contrast, the leaves of untransformed branch had a rough surface and a significantly large stomatal opening with a mean pore length of 7.82 ± 0.67 µm. The micro-morphological characteristics of the leaves confirmed the dissociation of chimerism in the transformed tertiary branches of plant number 32. The study demonstrates identification of chimerism after in planta transformation using PCR technique, and the novelty relates to monitoring dissociation of chimerism in transformed tertiary branches of T0 generation using qRT-PCR analysis and its corroboration by electron microscopy. The protocol for genetic transformation in plants described in the present study can be used for trait improvement by transgenesis. © Korean Society for Plant Biotechnology 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| score |
7.402895 |