数字农科院2.0

GmFW1 expression decreased in GmSymRK knockdown transgenic soybean roots

文献类型： 外文期刊

作者： Wang, Lijun;Deng, Lingwei;Jiao, Yongqing

作者机构：

关键词： Soybean;GmSymRK;GmFWL1;nodule;rhizobia

期刊名称： ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE

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年卷期：

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收录情况： SCI

摘要： SymRK and GmFWL1 both play important roles in nodulation. However, during symbiotic development, the details of Nod factor signaling association with the regulation of cell division in nodules are unknown. SymRK, the immediately downstream component of these Nod factor receptors, is central to the Nod factor signaling cascade. In this study, specified RNAi plasmid of GmSymRK was constructed and transformed into soybean roots by agrobacterium rhizogenes-mediated hairy root transformation. We found that the nodule number decreased substantially in GmSymRK knockdown soybean transgenic roots. Further to study the relationship between GmFWL1 and Nod factor signaling, we analyzed the GmFWL1 expression levels in the GmSymRK RNAi soybean transgenic roots and found that rhizobia inoculation led to substantially reduced GmFWL1 expression in GmSymRK RNAi soybean transgenic roots. Our studies showed that the regulation of cell division was affected by Nod factor signaling during nodule development in soybean, which provides important information toward understanding the functions of GmSymRK and GmFWL1 in symbiotic signaling and nodule development.

分类号： S

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