QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)

Seed size and shape are important traits that determine seed yield in sesame. Understanding the genetic basis of seed size and shape is essential for improving the yield of sesame. In this study, F(2) and BC(1) populations were developed by crossing the Yuzhi 4 and Bengal small-seed (BS) lines for d...

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Autores principales: Mei, Hongxian, Cui, Chengqi, Liu, Yanyang, Du, Zhenwei, Wu, Ke, Jiang, Xiaolin, Zheng, Yongzhan, Zhang, Haiyang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10621824/
https://www.ncbi.nlm.nih.gov/pubmed/37917626
http://dx.doi.org/10.1371/journal.pone.0293155
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author Mei, Hongxian
Cui, Chengqi
Liu, Yanyang
Du, Zhenwei
Wu, Ke
Jiang, Xiaolin
Zheng, Yongzhan
Zhang, Haiyang
author_facet Mei, Hongxian
Cui, Chengqi
Liu, Yanyang
Du, Zhenwei
Wu, Ke
Jiang, Xiaolin
Zheng, Yongzhan
Zhang, Haiyang
author_sort Mei, Hongxian
collection PubMed
description Seed size and shape are important traits that determine seed yield in sesame. Understanding the genetic basis of seed size and shape is essential for improving the yield of sesame. In this study, F(2) and BC(1) populations were developed by crossing the Yuzhi 4 and Bengal small-seed (BS) lines for detecting the quantitative trait loci (QTLs) of traits related to seed size and shape. A total of 52 QTLs, including 13 in F(2) and 39 in BC(1) populations, for seed length (SL), seed width (SW), and length to width ratio (L/W) were identified, explaining phenotypic variations from 3.68 to 21.64%. Of these QTLs, nine stable major QTLs were identified in the two populations. Notably, three major QTLs qSL-LG3-2, qSW-LG3-2, and qSW-LG3-F(2) that accounted for 4.94–16.34% of the phenotypic variations were co-localized in a 2.08 Mb interval on chromosome 1 (chr1) with 279 candidate genes. Three stable major QTLs qSL-LG6-2, qLW-LG6, and qLW-LG6-F(2) that explained 8.14–33.74% of the phenotypic variations were co-localized in a 3.27 Mb region on chr9 with 398 candidate genes. In addition, the stable major QTL qSL-LG5 was co-localized with minor QTLs qLW-LG5-3 and qSW-LG5 to a 1.82 Mb region on chr3 with 195 candidate genes. Gene annotation, orthologous gene analysis, and sequence analysis indicated that three genes are likely involved in sesame seed development. These results obtained herein provide valuable in-formation for functional gene cloning and improving the seed yield of sesame.
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spelling pubmed-106218242023-11-03 QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.) Mei, Hongxian Cui, Chengqi Liu, Yanyang Du, Zhenwei Wu, Ke Jiang, Xiaolin Zheng, Yongzhan Zhang, Haiyang PLoS One Research Article Seed size and shape are important traits that determine seed yield in sesame. Understanding the genetic basis of seed size and shape is essential for improving the yield of sesame. In this study, F(2) and BC(1) populations were developed by crossing the Yuzhi 4 and Bengal small-seed (BS) lines for detecting the quantitative trait loci (QTLs) of traits related to seed size and shape. A total of 52 QTLs, including 13 in F(2) and 39 in BC(1) populations, for seed length (SL), seed width (SW), and length to width ratio (L/W) were identified, explaining phenotypic variations from 3.68 to 21.64%. Of these QTLs, nine stable major QTLs were identified in the two populations. Notably, three major QTLs qSL-LG3-2, qSW-LG3-2, and qSW-LG3-F(2) that accounted for 4.94–16.34% of the phenotypic variations were co-localized in a 2.08 Mb interval on chromosome 1 (chr1) with 279 candidate genes. Three stable major QTLs qSL-LG6-2, qLW-LG6, and qLW-LG6-F(2) that explained 8.14–33.74% of the phenotypic variations were co-localized in a 3.27 Mb region on chr9 with 398 candidate genes. In addition, the stable major QTL qSL-LG5 was co-localized with minor QTLs qLW-LG5-3 and qSW-LG5 to a 1.82 Mb region on chr3 with 195 candidate genes. Gene annotation, orthologous gene analysis, and sequence analysis indicated that three genes are likely involved in sesame seed development. These results obtained herein provide valuable in-formation for functional gene cloning and improving the seed yield of sesame. Public Library of Science 2023-11-02 /pmc/articles/PMC10621824/ /pubmed/37917626 http://dx.doi.org/10.1371/journal.pone.0293155 Text en © 2023 Mei et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Mei, Hongxian
Cui, Chengqi
Liu, Yanyang
Du, Zhenwei
Wu, Ke
Jiang, Xiaolin
Zheng, Yongzhan
Zhang, Haiyang
QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title_full QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title_fullStr QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title_full_unstemmed QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title_short QTL analysis of traits related to seed size and shape in sesame (Sesamum indicum L.)
title_sort qtl analysis of traits related to seed size and shape in sesame (sesamum indicum l.)
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10621824/
https://www.ncbi.nlm.nih.gov/pubmed/37917626
http://dx.doi.org/10.1371/journal.pone.0293155
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