Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors

The colorations of stem pubescence and hilum are crucial criteria for discerning diverse soybean germplasms, governed by multiple genes that substantially influence the seed’s outward appearance quality and the resistance to abiotic stresses. This comprehensive study delved into the stem pubescence...

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Main Authors: Miaomiao Zhou, Junyan Wang, Huatao Chen, Qianru Jia, Shengyan Hu, Yawen Xiong, Hongmei Zhang, Wei Zhang, Qiong Wang, Chengfu Su
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/14/3/512
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author Miaomiao Zhou
Junyan Wang
Huatao Chen
Qianru Jia
Shengyan Hu
Yawen Xiong
Hongmei Zhang
Wei Zhang
Qiong Wang
Chengfu Su
author_facet Miaomiao Zhou
Junyan Wang
Huatao Chen
Qianru Jia
Shengyan Hu
Yawen Xiong
Hongmei Zhang
Wei Zhang
Qiong Wang
Chengfu Su
author_sort Miaomiao Zhou
collection DOAJ
description The colorations of stem pubescence and hilum are crucial criteria for discerning diverse soybean germplasms, governed by multiple genes that substantially influence the seed’s outward appearance quality and the resistance to abiotic stresses. This comprehensive study delved into the stem pubescence and hilum color traits across a natural population of 264 accessions during 2021 and 2022. The phenotypes of these two traits within our population were analyzed for the investigation of population genetics and evaluation of germplasm resources in the future. Numerous noteworthy SNPs associated with both traits were detected through a genome-wide association study (GWAS), with the most significant signals for 2021 and 2022 localized on chromosome 6. Seven candidate genes regulating stem pubescence color and four genes influencing hilum color were identified by analyzing the expression patterns, cold stress responses, and regulatory pathways of genes within the LD decay distance of SNPs. This study not only underscores the applicability of GWAS in unraveling the genetic basis of quality traits, but also contributes novel genetic reservoirs and research paradigms to the explorations of the soybean plant and seed color. These results provide foundational insights into the breeding improvement of seeds’ outward appearance quality and a comprehensive evaluation of soybean germplasm.
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spelling doaj.art-8b1231521d9f42d3b3cd940ed76216332024-03-27T13:16:45ZengMDPI AGAgronomy2073-43952024-03-0114351210.3390/agronomy14030512Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum ColorsMiaomiao Zhou0Junyan Wang1Huatao Chen2Qianru Jia3Shengyan Hu4Yawen Xiong5Hongmei Zhang6Wei Zhang7Qiong Wang8Chengfu Su9College of Agriculture, Qingdao Agricultural University, Qingdao 266109, ChinaCollege of Agriculture, Qingdao Agricultural University, Qingdao 266109, ChinaZhongshan Laboratory of Biological Breeding, Nanjing 210014, ChinaInstitute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, ChinaCollege of Life Sciences, Nanjing Agricultural University, Nanjing 210095, ChinaCollege of Life Sciences, Nanjing Agricultural University, Nanjing 210095, ChinaInstitute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, ChinaInstitute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, ChinaZhongshan Laboratory of Biological Breeding, Nanjing 210014, ChinaCollege of Agriculture, Qingdao Agricultural University, Qingdao 266109, ChinaThe colorations of stem pubescence and hilum are crucial criteria for discerning diverse soybean germplasms, governed by multiple genes that substantially influence the seed’s outward appearance quality and the resistance to abiotic stresses. This comprehensive study delved into the stem pubescence and hilum color traits across a natural population of 264 accessions during 2021 and 2022. The phenotypes of these two traits within our population were analyzed for the investigation of population genetics and evaluation of germplasm resources in the future. Numerous noteworthy SNPs associated with both traits were detected through a genome-wide association study (GWAS), with the most significant signals for 2021 and 2022 localized on chromosome 6. Seven candidate genes regulating stem pubescence color and four genes influencing hilum color were identified by analyzing the expression patterns, cold stress responses, and regulatory pathways of genes within the LD decay distance of SNPs. This study not only underscores the applicability of GWAS in unraveling the genetic basis of quality traits, but also contributes novel genetic reservoirs and research paradigms to the explorations of the soybean plant and seed color. These results provide foundational insights into the breeding improvement of seeds’ outward appearance quality and a comprehensive evaluation of soybean germplasm.https://www.mdpi.com/2073-4395/14/3/512soybeanstem pubescence colorhilum colorgenome-wide association studySNPcandidate gene
spellingShingle Miaomiao Zhou
Junyan Wang
Huatao Chen
Qianru Jia
Shengyan Hu
Yawen Xiong
Hongmei Zhang
Wei Zhang
Qiong Wang
Chengfu Su
Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
Agronomy
soybean
stem pubescence color
hilum color
genome-wide association study
SNP
candidate gene
title Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
title_full Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
title_fullStr Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
title_full_unstemmed Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
title_short Genome-Wide Association Study on Candidate Genes Associated with Soybean Stem Pubescence and Hilum Colors
title_sort genome wide association study on candidate genes associated with soybean stem pubescence and hilum colors
topic soybean
stem pubescence color
hilum color
genome-wide association study
SNP
candidate gene
url https://www.mdpi.com/2073-4395/14/3/512
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