Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’

Leaf pubescence is an important trait closely associated with plant adaptability to specialized habitats. Baimaomai (BMM) is a wheat (<i>Triticum aestivum</i> L.) landrace originating from the high-altitude, drought-prone environment of Sichuan Province, China with long, dense leaf pubes...

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Autores principales:	Zehou Liu, Qin Wang, Hongshen Wan, Fan Yang, Shizhao Li, Manyu Yang, Jiangtao Luo, Jianmin Zheng, Qingyan Deng, Hai Long, Guangbing Deng, Ning Yang, Jun Li, Wuyun Yang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wheat landrace Baimaomai leaf pubescence QTL Agriculture S
Acceso en línea:	https://doaj.org/article/748a4fd33a634f1bbfec05ec00e91ff7
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spelling	oai:doaj.org-article:748a4fd33a634f1bbfec05ec00e91ff72021-11-25T16:08:08ZIdentification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’10.3390/agronomy111122372073-4395https://doaj.org/article/748a4fd33a634f1bbfec05ec00e91ff72021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2237https://doaj.org/toc/2073-4395Leaf pubescence is an important trait closely associated with plant adaptability to specialized habitats. Baimaomai (BMM) is a wheat (<i>Triticum aestivum</i> L.) landrace originating from the high-altitude, drought-prone environment of Sichuan Province, China with long, dense leaf pubescence. A population of 234 recombinant inbred lines (F<sub>10</sub>) developed from the cross between Chuanmai104 (CM104), which lacks leaf pubescence, and BMM with pubescent leaves, was used to conduct a phenotypic evaluation of leaf pubescence. Three quantitative trait loci (QTLs) were detected on chromosome arms 7BS, 3DL and 3AL using a high-density wheat 50K single-nucleotide polymorphism array in four environments. The QTLs were designated <i>QLp.saas-7BS</i>, <i>QLp.saas-3DL</i> and <i>QLp.saas-3AL</i>. <i>QLp.saas-3AL</i>, derived from BMM, and <i>QLp.saas-3DL</i>, derived from CM104, were new minor-effect loci. <i>QLp.saas-7BS</i>, derived from BMM, was a novel major-effect locus detected in all environments and was localized in a 0.48 Mb interval on chromosome arm 7BS based on the wheat ‘Chinese Spring’ reference genome. <i>QLp.saas-7BS</i> explained up to 40.77% of the total phenotypic variance. KASP markers tightly linked to <i>QLp.saas-7BS</i> were developed and verified. The present results provide valuable information for further fine mapping, cloning, and marker-assisted selection with <i>QLp.saas-7BS</i> in wheat.Zehou LiuQin WangHongshen WanFan YangShizhao LiManyu YangJiangtao LuoJianmin ZhengQingyan DengHai LongGuangbing DengNing YangJun LiWuyun YangMDPI AGarticlewheatlandraceBaimaomaileaf pubescenceQTLAgricultureSENAgronomy, Vol 11, Iss 2237, p 2237 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wheat landrace Baimaomai leaf pubescence QTL Agriculture S
spellingShingle	wheat landrace Baimaomai leaf pubescence QTL Agriculture S Zehou Liu Qin Wang Hongshen Wan Fan Yang Shizhao Li Manyu Yang Jiangtao Luo Jianmin Zheng Qingyan Deng Hai Long Guangbing Deng Ning Yang Jun Li Wuyun Yang Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
description	Leaf pubescence is an important trait closely associated with plant adaptability to specialized habitats. Baimaomai (BMM) is a wheat (<i>Triticum aestivum</i> L.) landrace originating from the high-altitude, drought-prone environment of Sichuan Province, China with long, dense leaf pubescence. A population of 234 recombinant inbred lines (F<sub>10</sub>) developed from the cross between Chuanmai104 (CM104), which lacks leaf pubescence, and BMM with pubescent leaves, was used to conduct a phenotypic evaluation of leaf pubescence. Three quantitative trait loci (QTLs) were detected on chromosome arms 7BS, 3DL and 3AL using a high-density wheat 50K single-nucleotide polymorphism array in four environments. The QTLs were designated <i>QLp.saas-7BS</i>, <i>QLp.saas-3DL</i> and <i>QLp.saas-3AL</i>. <i>QLp.saas-3AL</i>, derived from BMM, and <i>QLp.saas-3DL</i>, derived from CM104, were new minor-effect loci. <i>QLp.saas-7BS</i>, derived from BMM, was a novel major-effect locus detected in all environments and was localized in a 0.48 Mb interval on chromosome arm 7BS based on the wheat ‘Chinese Spring’ reference genome. <i>QLp.saas-7BS</i> explained up to 40.77% of the total phenotypic variance. KASP markers tightly linked to <i>QLp.saas-7BS</i> were developed and verified. The present results provide valuable information for further fine mapping, cloning, and marker-assisted selection with <i>QLp.saas-7BS</i> in wheat.
format	article
author	Zehou Liu Qin Wang Hongshen Wan Fan Yang Shizhao Li Manyu Yang Jiangtao Luo Jianmin Zheng Qingyan Deng Hai Long Guangbing Deng Ning Yang Jun Li Wuyun Yang
author_facet	Zehou Liu Qin Wang Hongshen Wan Fan Yang Shizhao Li Manyu Yang Jiangtao Luo Jianmin Zheng Qingyan Deng Hai Long Guangbing Deng Ning Yang Jun Li Wuyun Yang
author_sort	Zehou Liu
title	Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
title_short	Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
title_full	Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
title_fullStr	Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
title_full_unstemmed	Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’
title_sort	identification and validation of a novel major qtl controlling leaf pubescence in the chinese wheat landrace ‘baimaomai’
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/748a4fd33a634f1bbfec05ec00e91ff7
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Identification and Validation of a Novel Major QTL Controlling Leaf Pubescence in the Chinese Wheat Landrace ‘Baimaomai’

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