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Identification of Soybean Genes Whose Expression is Affected by the Ensifer fredii HH103 Effector Protein NopP

文献类型： 外文期刊

作者： Wang, Jinhui 1 ; Wang, Jieqi 1 ; Liu, Chunyan 1 ; Ma, Chao 1 ; Li, Changyu 1 ; Zhang, Yongqian 1 ; Qi, Zhaoming 1 ; Zhu, 1 ;

作者机构： 1.Northeast Agr Univ, Key Lab Soybean Biol & Breeding Genet, Key Lab Soybean Biol, Chinese Minist Educ,Chinese Agr Minist,Coll Sci, Harbin 150030, Heilongjiang, Peoples R China

2.Heilongjiang Acad Agr Sci, Harbin 150030, Heilongjiang, Peoples R China

关键词： soybean; NopP; symbiosis; QTL

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2018 年 19 卷 11 期

页码：

收录情况： SCI

摘要： In some legume-rhizobium symbioses, host specificity is influenced by rhizobial nodulation outer proteins (Nops). However, the genes encoding host proteins that interact with Nops remain unknown. We generated an Ensifer fredii HH103 NopP mutant (HH103NopP), and analyzed the nodule number (NN) and nodule dry weight (NDW) of 10 soybean germplasms inoculated with the wild-type E. fredii HH103 or the mutant strain. An analysis of recombinant inbred lines (RILs) revealed the quantitative trait loci (QTLs) associated with NopP interactions. A soybean genomic region containing two overlapping QTLs was analyzed in greater detail. A transcriptome analysis and qRT-PCR assay were used to identify candidate genes encoding proteins that interact with NopP. In some germplasms, NopP positively and negatively affected the NN and NDW, while NopP had different effects on NN and NDW in other germplasms. The QTL region in chromosome 12 was further analyzed. The expression patterns of candidate genes Glyma.12g031200 and Glyma.12g073000 were determined by qRT-PCR, and were confirmed to be influenced by NopP.

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