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GmWRI1c Increases Palmitic Acid Content to Regulate Seed Oil Content and Nodulation in Soybean (Glycine max).
Zheng, Haowei; Zhao, Duo; Shao, Wentao; Lu, Yun; Wang, Wenhui; Hu, Yanjiao; Li, Jiajia; Zhu, Shangshang; Wang, Xiaobo.
Afiliación
  • Zheng H; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Zhao D; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Shao W; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Lu Y; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Wang W; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Hu Y; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Li J; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Zhu S; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
  • Wang X; School of Agronomy, Anhui Agricultural University, Hefei 230036, China.
Int J Mol Sci ; 23(22)2022 Nov 09.
Article en En | MEDLINE | ID: mdl-36430287
Soybean (Glycine max) is an important oil crop, but the regulatory mechanisms underlying seed oil accumulation remain unclear. We identified a member of the GmWRI1s transcription factor family, GmWRI1c, that is involved in regulating soybean oil content and nodulation. Overexpression of GmWRI1c in soybean hairy roots increased the expression of genes involved in glycolysis and de novo lipogenesis, the proportion of palmitic acid (16:0), and the number of root nodules. The effect of GmWRI1c in increasing the number of root nodules via regulating the proportion of palmitic acid was confirmed in a recombinant inbred line (RIL) population. GmWRI1c shows abundant sequence diversity and has likely undergone artificial selection during domestication. An association analysis revealed a correlation between seed oil content and five linked natural variations (Hap1/Hap2) in the GmWRI1c promoter region. Natural variations in the GmWRI1c promoter were strongly associated with the GmWRI1c transcript level, with higher GmWRI1c transcript levels in lines carrying GmWRI1cHap1 than in those carrying GmWRI1cHap2. The effects of GmWRI1c alleles on seed oil content were confirmed in natural and RIL populations. We identified a favourable GmWRI1c allele that can be used to breed new varieties with increased seed oil content and nodulation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Glycine max / Ácido Palmítico Tipo de estudio: Prognostic_studies Idioma: En Revista: Int J Mol Sci Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Glycine max / Ácido Palmítico Tipo de estudio: Prognostic_studies Idioma: En Revista: Int J Mol Sci Año: 2022 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza