Inheritance, QTLs, and Candidate Genes of Lint Percentage in Upland Cotton

文献类型： 外文期刊

第一作者： Niu, Hao

作者： Niu, Hao;Ge, Qun;Shang, Haihong;Yuan, Youlu;Shang, Haihong;Yuan, Youlu

作者机构：

关键词： upland cotton (Gossypium hirsutum L; ); lint percentage; inheritance; quantitative trait locus; gene

期刊名称：FRONTIERS IN GENETICS （ 影响因子：4.772； 五年影响因子：4.933 ）

ISSN：

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： Cotton (Gossypium spp.) is an important natural fiber plant. Lint percentage (LP) is one of the most important determinants of cotton yield and is a typical quantitative trait with high variation and heritability. Many cotton LP genetic linkages and association maps have been reported. This work summarizes the inheritance, quantitative trait loci (QTLs), and candidate genes of LP to facilitate LP genetic study and molecular breeding. More than 1439 QTLs controlling LP have been reported. Excluding replicate QTLs, 417 unique QTLs have been identified on 26 chromosomes, including 243 QTLs identified at LOD >3. More than 60 are stable, major effective QTLs that can be used in marker-assisted selection (MAS). More than 90 candidate genes for LP have been reported. These genes encode MYB, HOX, NET, and other proteins, and most are preferentially expressed during fiber initiation and elongation. A putative molecular regulatory model of LP was constructed and provides the foundation for the genetic study and molecular breeding of LP.

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