Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L
Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Castro, Andressa V [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Rechteinformationen: |
Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Ecotoxicology and environmental safety - Amsterdam : Elsevier, 1977, 115(2015), Seite 174-186 |
|---|---|
| Übergeordnetes Werk: |
volume:115 ; year:2015 ; pages:174-186 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.ecoenv.2015.02.003 |
|---|
| Katalog-ID: |
OLC1964314895 |
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| 245 | 1 | 0 | |a Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L |
| 264 | 1 | |c 2015 | |
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| 520 | |a Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. | ||
| 540 | |a Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. | ||
| 650 | 4 | |a Peroxidases - metabolism | |
| 650 | 4 | |a Seedlings - drug effects | |
| 650 | 4 | |a Plant Roots - drug effects | |
| 650 | 4 | |a Cadmium - toxicity | |
| 650 | 4 | |a Copper - metabolism | |
| 650 | 4 | |a Cacao - drug effects | |
| 650 | 4 | |a Superoxide Dismutase - metabolism | |
| 650 | 4 | |a Plant Leaves - ultrastructure | |
| 650 | 4 | |a Plant Roots - metabolism | |
| 650 | 4 | |a Seedlings - ultrastructure | |
| 650 | 4 | |a Cacao - ultrastructure | |
| 650 | 4 | |a Plant Leaves - metabolism | |
| 650 | 4 | |a Cadmium - analysis | |
| 650 | 4 | |a Cacao - genetics | |
| 650 | 4 | |a Cacao - metabolism | |
| 650 | 4 | |a Zinc - metabolism | |
| 650 | 4 | |a Plant Leaves - drug effects | |
| 650 | 4 | |a Phytochelatins - biosynthesis | |
| 650 | 4 | |a Chloroplasts - drug effects | |
| 650 | 4 | |a Seedlings - metabolism | |
| 700 | 1 | |a de Almeida, Alex-Alan F |4 oth | |
| 700 | 1 | |a Pirovani, Carlos P |4 oth | |
| 700 | 1 | |a Reis, Graciele S M |4 oth | |
| 700 | 1 | |a Almeida, Nicolle M |4 oth | |
| 700 | 1 | |a Mangabeira, Pedro A O |4 oth | |
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10.1016/j.ecoenv.2015.02.003 doi PQ20160617 (DE-627)OLC1964314895 (DE-599)GBVOLC1964314895 (PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090 (KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura DE-627 ger DE-627 rakwb eng 610 570 DNB 44.13 bkl 44.00 bkl Castro, Andressa V verfasserin aut Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism de Almeida, Alex-Alan F oth Pirovani, Carlos P oth Reis, Graciele S M oth Almeida, Nicolle M oth Mangabeira, Pedro A O oth Enthalten in Ecotoxicology and environmental safety Amsterdam : Elsevier, 1977 115(2015), Seite 174-186 (DE-627)130055611 (DE-600)436536-7 (DE-576)015593118 0147-6513 nnns volume:115 year:2015 pages:174-186 http://dx.doi.org/10.1016/j.ecoenv.2015.02.003 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25700096 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 44.13 AVZ 44.00 AVZ AR 115 2015 174-186 |
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10.1016/j.ecoenv.2015.02.003 doi PQ20160617 (DE-627)OLC1964314895 (DE-599)GBVOLC1964314895 (PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090 (KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura DE-627 ger DE-627 rakwb eng 610 570 DNB 44.13 bkl 44.00 bkl Castro, Andressa V verfasserin aut Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism de Almeida, Alex-Alan F oth Pirovani, Carlos P oth Reis, Graciele S M oth Almeida, Nicolle M oth Mangabeira, Pedro A O oth Enthalten in Ecotoxicology and environmental safety Amsterdam : Elsevier, 1977 115(2015), Seite 174-186 (DE-627)130055611 (DE-600)436536-7 (DE-576)015593118 0147-6513 nnns volume:115 year:2015 pages:174-186 http://dx.doi.org/10.1016/j.ecoenv.2015.02.003 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25700096 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 44.13 AVZ 44.00 AVZ AR 115 2015 174-186 |
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10.1016/j.ecoenv.2015.02.003 doi PQ20160617 (DE-627)OLC1964314895 (DE-599)GBVOLC1964314895 (PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090 (KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura DE-627 ger DE-627 rakwb eng 610 570 DNB 44.13 bkl 44.00 bkl Castro, Andressa V verfasserin aut Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism de Almeida, Alex-Alan F oth Pirovani, Carlos P oth Reis, Graciele S M oth Almeida, Nicolle M oth Mangabeira, Pedro A O oth Enthalten in Ecotoxicology and environmental safety Amsterdam : Elsevier, 1977 115(2015), Seite 174-186 (DE-627)130055611 (DE-600)436536-7 (DE-576)015593118 0147-6513 nnns volume:115 year:2015 pages:174-186 http://dx.doi.org/10.1016/j.ecoenv.2015.02.003 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25700096 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 44.13 AVZ 44.00 AVZ AR 115 2015 174-186 |
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10.1016/j.ecoenv.2015.02.003 doi PQ20160617 (DE-627)OLC1964314895 (DE-599)GBVOLC1964314895 (PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090 (KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura DE-627 ger DE-627 rakwb eng 610 570 DNB 44.13 bkl 44.00 bkl Castro, Andressa V verfasserin aut Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism de Almeida, Alex-Alan F oth Pirovani, Carlos P oth Reis, Graciele S M oth Almeida, Nicolle M oth Mangabeira, Pedro A O oth Enthalten in Ecotoxicology and environmental safety Amsterdam : Elsevier, 1977 115(2015), Seite 174-186 (DE-627)130055611 (DE-600)436536-7 (DE-576)015593118 0147-6513 nnns volume:115 year:2015 pages:174-186 http://dx.doi.org/10.1016/j.ecoenv.2015.02.003 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25700096 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 44.13 AVZ 44.00 AVZ AR 115 2015 174-186 |
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10.1016/j.ecoenv.2015.02.003 doi PQ20160617 (DE-627)OLC1964314895 (DE-599)GBVOLC1964314895 (PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090 (KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura DE-627 ger DE-627 rakwb eng 610 570 DNB 44.13 bkl 44.00 bkl Castro, Andressa V verfasserin aut Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. Nutzungsrecht: Copyright © 2015. Published by Elsevier Inc. Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism de Almeida, Alex-Alan F oth Pirovani, Carlos P oth Reis, Graciele S M oth Almeida, Nicolle M oth Mangabeira, Pedro A O oth Enthalten in Ecotoxicology and environmental safety Amsterdam : Elsevier, 1977 115(2015), Seite 174-186 (DE-627)130055611 (DE-600)436536-7 (DE-576)015593118 0147-6513 nnns volume:115 year:2015 pages:174-186 http://dx.doi.org/10.1016/j.ecoenv.2015.02.003 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25700096 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_21 GBV_ILN_70 GBV_ILN_4219 44.13 AVZ 44.00 AVZ AR 115 2015 174-186 |
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Castro, Andressa V |
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610 570 DNB 44.13 bkl 44.00 bkl Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L Peroxidases - metabolism Seedlings - drug effects Plant Roots - drug effects Cadmium - toxicity Copper - metabolism Cacao - drug effects Superoxide Dismutase - metabolism Plant Leaves - ultrastructure Plant Roots - metabolism Seedlings - ultrastructure Cacao - ultrastructure Plant Leaves - metabolism Cadmium - analysis Cacao - genetics Cacao - metabolism Zinc - metabolism Plant Leaves - drug effects Phytochelatins - biosynthesis Chloroplasts - drug effects Seedlings - metabolism |
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morphological, biochemical, molecular and ultrastructural changes induced by cd toxicity in seedlings of theobroma cacao l |
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Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L |
| abstract |
Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. |
| abstractGer |
Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. |
| abstract_unstemmed |
Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'. |
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| title_short |
Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a2200265 4500</leader><controlfield tag="001">OLC1964314895</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230515105008.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">160206s2015 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.ecoenv.2015.02.003</subfield><subfield code="2">doi</subfield></datafield><datafield tag="028" ind1="5" ind2="2"><subfield code="a">PQ20160617</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC1964314895</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVOLC1964314895</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(PRQ)c1864-793cce38a01b648e532af7bbe32db7d140122b10fe808f5ef64f1d430f2de1090</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(KEY)0029001720150000115000000174morphologicalbiochemicalmolecularandultrastructura</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">610</subfield><subfield code="a">570</subfield><subfield code="q">DNB</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">44.13</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">44.00</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Castro, Andressa V</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Morphological, biochemical, molecular and ultrastructural changes induced by Cd toxicity in seedlings of Theobroma cacao L</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2015</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Seeds from Theobroma cacao progenies derived from the self-pollination of 'Catongo'×'Catongo' and the crossing between CCN-10×SCA-6 were immersed for 24h in different Cd solutions (2; 4; 8; 16 and 32 mgL(-1)) along with the control treatment (without Cd). Shortly after, the seeds were sown in plastic tubes containing organic substrate and were grown in a greenhouse for 60 days. The treatment with Cd was observed to cause morphological, biochemical, molecular and ultrastructural changes in both progenies of T. cacao. There has been deformation in chloroplasts, nuclear chromatin condensation, and reduction in thickness of the mesophyll. As for 'Catongo'×'Catongo', a decrease in thickness of the epidermis was noted on the abaxial face. There has been increased guaiacol peroxidase activity in the roots of CCN-10×SCA-6, as well as in the''Catongo'×'Catongo' leaves. In the presence of Cd, CCN-10×SCA-6 showed increased expression of the genes associated with the biosynthesis of phytochelatin (PCS-1) and class III peroxidases (PER-1) in leaves, and metallothionein (MT2b), in roots. In 'Catongo'×'Catongo', there has been an increase in the expression of genes associated with the biosynthesis of PER-1 and cytosolic superoxide dismutase dependent on copper and zinc (Cu-Zn SODCyt) in leaves and from MT2b and PCS-1 and roots. There was higher accumulation of Cd in the aerial parts of seedlings from both progenies, whereas the most pronounced accumulation was seen in''Catongo'×'Catongo'. The increase in Cd concentration has led to lower Zn and Fe levels in both progenies. Hence, one may conclude that the different survival strategies used by CCN-10×SCA-6 made such progeny more tolerant to Cd stress when compared to''Catongo'×'Catongo'.</subfield></datafield><datafield tag="540" ind1=" " ind2=" "><subfield code="a">Nutzungsrecht: Copyright © 2015. 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