Fiber Quality Improvement in Upland Cotton (Gossypium hirsutum L.): Quantitative Trait Loci Mapping and Marker Assisted Selection Application
文献类型： 外文期刊
作者： Ijaz, Babar 1 ; Zhao, Nan 1 ; Kong, Jie 2 ; Hua, Jinping 1 ;
作者机构： 1.China Agr Univ, Coll Agron & Biotechnol, Beeing Key Lab Crop Genet Improvement, Lab Cotton Genet Genom & Breeding,Minist Educ,Key, Beijing, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Econ Crops, Urumqi, Peoples R China
关键词： fiber quality; genetic mechanism; molecular markers; QTL mapping; fine mapping; Gossypium species
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.753； 五年影响因子：6.612 ）
ISSN： 1664-462X
年卷期： 2019 年 10 卷
页码：
收录情况： SCI
摘要： Genetic improvement in fiber quality is one of the main challenges for cotton breeders. Fiber quality traits are controlled by multiple genes and are classified as complex quantitative traits, with a negative relationship with yield potential, so the genetic gain is low in traditional genetic improvement by phenotypic selection. The availability of Gossypium genomic sequences facilitates the development of high-throughput molecular markers, quantitative trait loci (QTL) fine mapping and gene identification, which helps us to validate candidate genes and to use marker assisted selection (MAS) on fiber quality in breeding programs. Based on developments of high density linkage maps, QTLs fine mapping, marker selection and omics, we have performed trait dissection on fiber quality traits in diverse populations of upland cotton. QTL mapping combined with multi-omics approaches such as, RNA sequencing datasets to identify differentially expressed genes have benefited the improvement of fiber quality. In this review, we discuss the application of molecular markers, QTL mapping and MAS for fiber quality improvement in upland cotton.
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