Analysis of the root-knot nematode (
Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many year...
Ausführliche Beschreibung
Autor*in: |
Xiao, Kun [verfasserIn] Zhu, Haifeng [verfasserIn] Zhu, Xiang [verfasserIn] Hu, Kui [verfasserIn] Hu, Jianfang [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2019 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Scientia horticulturae - Amsterdam [u.a.] : Elsevier Science, 1973, 259 |
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Übergeordnetes Werk: |
volume:259 |
DOI / URN: |
10.1016/j.scienta.2019.108772 |
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Katalog-ID: |
ELV002934310 |
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520 | |a Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. | ||
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700 | 1 | |a Zhu, Haifeng |e verfasserin |4 aut | |
700 | 1 | |a Zhu, Xiang |e verfasserin |4 aut | |
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700 | 1 | |a Hu, Jianfang |e verfasserin |4 aut | |
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allfields |
10.1016/j.scienta.2019.108772 doi (DE-627)ELV002934310 (ELSEVIER)S0304-4238(19)30658-2 DE-627 ger DE-627 rda eng 630 640 DE-600 48.50 bkl Xiao, Kun verfasserin aut Analysis of the root-knot nematode ( 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. Wild resources Xinjiang wild myrobalan plum ( Zhu, Haifeng verfasserin aut Zhu, Xiang verfasserin aut Hu, Kui verfasserin aut Hu, Jianfang verfasserin aut Enthalten in Scientia horticulturae Amsterdam [u.a.] : Elsevier Science, 1973 259 Online-Ressource (DE-627)320569748 (DE-600)2016351-4 (DE-576)105430587 1879-1018 nnns volume:259 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.50 Pflanzenproduktion: Allgemeines AR 259 |
spelling |
10.1016/j.scienta.2019.108772 doi (DE-627)ELV002934310 (ELSEVIER)S0304-4238(19)30658-2 DE-627 ger DE-627 rda eng 630 640 DE-600 48.50 bkl Xiao, Kun verfasserin aut Analysis of the root-knot nematode ( 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. Wild resources Xinjiang wild myrobalan plum ( Zhu, Haifeng verfasserin aut Zhu, Xiang verfasserin aut Hu, Kui verfasserin aut Hu, Jianfang verfasserin aut Enthalten in Scientia horticulturae Amsterdam [u.a.] : Elsevier Science, 1973 259 Online-Ressource (DE-627)320569748 (DE-600)2016351-4 (DE-576)105430587 1879-1018 nnns volume:259 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.50 Pflanzenproduktion: Allgemeines AR 259 |
allfields_unstemmed |
10.1016/j.scienta.2019.108772 doi (DE-627)ELV002934310 (ELSEVIER)S0304-4238(19)30658-2 DE-627 ger DE-627 rda eng 630 640 DE-600 48.50 bkl Xiao, Kun verfasserin aut Analysis of the root-knot nematode ( 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. Wild resources Xinjiang wild myrobalan plum ( Zhu, Haifeng verfasserin aut Zhu, Xiang verfasserin aut Hu, Kui verfasserin aut Hu, Jianfang verfasserin aut Enthalten in Scientia horticulturae Amsterdam [u.a.] : Elsevier Science, 1973 259 Online-Ressource (DE-627)320569748 (DE-600)2016351-4 (DE-576)105430587 1879-1018 nnns volume:259 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.50 Pflanzenproduktion: Allgemeines AR 259 |
allfieldsGer |
10.1016/j.scienta.2019.108772 doi (DE-627)ELV002934310 (ELSEVIER)S0304-4238(19)30658-2 DE-627 ger DE-627 rda eng 630 640 DE-600 48.50 bkl Xiao, Kun verfasserin aut Analysis of the root-knot nematode ( 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. Wild resources Xinjiang wild myrobalan plum ( Zhu, Haifeng verfasserin aut Zhu, Xiang verfasserin aut Hu, Kui verfasserin aut Hu, Jianfang verfasserin aut Enthalten in Scientia horticulturae Amsterdam [u.a.] : Elsevier Science, 1973 259 Online-Ressource (DE-627)320569748 (DE-600)2016351-4 (DE-576)105430587 1879-1018 nnns volume:259 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.50 Pflanzenproduktion: Allgemeines AR 259 |
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10.1016/j.scienta.2019.108772 doi (DE-627)ELV002934310 (ELSEVIER)S0304-4238(19)30658-2 DE-627 ger DE-627 rda eng 630 640 DE-600 48.50 bkl Xiao, Kun verfasserin aut Analysis of the root-knot nematode ( 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. Wild resources Xinjiang wild myrobalan plum ( Zhu, Haifeng verfasserin aut Zhu, Xiang verfasserin aut Hu, Kui verfasserin aut Hu, Jianfang verfasserin aut Enthalten in Scientia horticulturae Amsterdam [u.a.] : Elsevier Science, 1973 259 Online-Ressource (DE-627)320569748 (DE-600)2016351-4 (DE-576)105430587 1879-1018 nnns volume:259 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 48.50 Pflanzenproduktion: Allgemeines AR 259 |
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analysis of the root-knot nematode ( |
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Analysis of the root-knot nematode ( |
abstract |
Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. |
abstractGer |
Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. |
abstract_unstemmed |
Wild plant resources represent a major source of important stress-resistance genes. We previously collected Xinjiang wild myrobalan plum (Prunus sogdiana) seeds from the wild natural forest in Daxigou, Huocheng County, Xinjiang, China and cultivated 139 individual P. sogdiana plants. After many years of scoring the resistance of these myrobalan plum plants to a root-knot nematode (RKN; Meloidogyne incognita), we identified stably resistant and susceptible plants. In this study, we used six resistant and six susceptible plants to identify molecular markers closely linked to the RKN resistance gene, Ma, and to investigate the characteristics of this gene in P. sogdiana. Of the two SCAR markers closely linked to the Ma gene, SCAL19690 was present in both resistant and susceptible plants, whereas SCAFLP2202 was not present in resistant or susceptible individuals, indicating that SCAL19690 and SCAFLP2202 could not be used as tools to screen for RKN resistance conferred by the Ma gene in P. sogdiana. We cloned the Ma gene and identified a stop codon at 523 bp in the mRNA of both resistant and susceptible individuals, which only encodes a 174-amino acid polypeptide in P. sogdiana due to premature translational termination, indicating that the Ma protein in P. sogdiana is incomplete. These results indicate that the Ma gene in Xinjiang wild myrobalan plum is different from that of European Myrobalan plum (P. cerasifera), demonstrating that wild myrobalan plum accessions of different origins represent rich, diverse genetic resources of resistance to M. incognita. |
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title_short |
Analysis of the root-knot nematode ( |
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