NDLI: Mapping of Quantitative Trait Loci Underlying Nodule Traits in Soybean (Glycine max (L.) Merr.) and Identification of Genes Whose Expression Is Affected by the Sinorhizobium fredii HH103 Effector Proteins NopL and NopT

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Mapping of Quantitative Trait Loci Underlying Nodule Traits in Soybean (Glycine max (L.) Merr.) and Identification of Genes Whose Expression Is Affected by the Sinorhizobium fredii HH103 Effector Proteins NopL and NopT

Content Provider	MDPI
Author	Ni, Hejia Peng, Yang Wang, Jinhui Wang, Jing Yuan, Yantong Fu, Tingting Zhu, Zikun Zhang, Jialin Pan, Xipeng Cui, Zhuoling Liu, Chunyan Chen, Qingshan Xin, Dawei
Copyright Year	2022
Description	Symbiotic nitrogen fixation provides most of the nitrogen required for soybean growth. Rhizobial nodulation outer proteins (Nops) have been reported to influence host specificity during symbiosis establishment. However, the host proteins that interact with Nops remain unknown. In this study, we generated Sinorhizobium fredii HH103 mutants (HH103ΩNopL, HH103ΩNopT, and HH103ΩNopLΩNopT) and analysed the nodule number (NN) and nodule dry weight (NDW) of 12 soybean germplasms after inoculation with wild-type S. fredii HH103 or the mutant strains. The analysis of chromosome segment substitution lines revealed quantitative trait loci (QTLs) associated with NopL and NopT interactions. A total of 22 QTLs for the 2 nodule traits were detected and mapped to 12 different chromosomes in the soybean genome. Eight and fifteen QTLs were found to be associated with NN and NDW, respectively. Furthermore, 17 candidate genes were selected for further analyses. Considering the results of reverse-transcription quantitative PCR, we propose that the protein products of these 17 candidate genes interact with NopL and NopT.
Starting Page	946
e-ISSN	20734395
DOI	10.3390/agronomy12040946
Journal	Agronomy
Issue Number	4
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-04-15
Access Restriction	Open
Subject Keyword	Agronomy Plant Sciences Symbiosis Type Iii Secretion System Effector Soybean Quantitative Trait Locus Nopl Nopt
Content Type	Text
Resource Type	Article

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