Genetic dissection of ten photosynthesis-related traits based on InDel- and SNP-GWAS in soybean

Theor Appl Genet. 2024 Apr 8;137(5):96. doi: 10.1007/s00122-024-04607-y.ABSTRACTA total of 416 InDels and 112 SNPs were significantly associated with soybean photosynthesis-related traits. GmIWS1 and GmCDC48 might be related to chlorophyll fluorescence and gas-exchange parameters, respectively. Photosynthesis is one of the main factors determining crop yield. A better understanding of the genetic architecture for photosynthesis is of great significance for soybean yield improvement. Our previous studies identified 5,410,112 single nucleotide polymorphisms (SNPs) from the resequencing data of 219 natural soybean accessions. Here, we identified 634,106 insertions and deletions (InDels) from these 219 accessions and used these InDel variations to perform principal component and linkage disequilibrium analysis of this population. The genome-wide association study (GWAS) were conducted on six chlorophyll fluorescence parameters (chlorophyll content, light energy absorbed per reaction center, quantum yield for electron transport, probability that a trapped exciton moves an electron into the electron transport chain beyond primary quinone acceptor, maximum quantum yield of photosystem II primary photochemistry in the dark-adapted state, performance index on absorption basis) and four gas-exchange parameters (intercellular carbon dioxide concentration, stomatal conductance, net photosynthesis rate, transpiration rate) and revealed 416 significant InDels and 112 significant SNPs. Base...

Source: TAG. Theoretical and Applied Genetics - April 8, 2024 Category: Genetics & Stem Cells Authors: Dezhou Hu Yajun Zhao Lixun Zhu Xiao Li Jinyu Zhang Xuan Cui Wenlong Li Derong Hao Zhongyi Yang Fei Wu Shupeng Dong Xiaoyue Su Fang Huang Deyue Yu Source Type: research