Genetic Analysis and Stable QTL Detection on Fiber Quality Traits Using Two Recombinant Inbred Line Populations and Their Backcross Progeny in Upland Cotton

Publication Overview
TitleGenetic Analysis and Stable QTL Detection on Fiber Quality Traits Using Two Recombinant Inbred Line Populations and Their Backcross Progeny in Upland Cotton
AuthorsShang L, Wang Y, Wang X, Liu F, Abduweli A, Cai S, Li Y, Ma L, Wang K, Hua J
TypeJournal Article
Journal NameG3 (Bethesda, Md.)
Year2016
CitationShang L, Wang Y, Wang X, Liu F, Abduweli A, Cai S, Li Y, Ma L, Wang K, Hua J. Genetic Analysis and Stable QTL Detection on Fiber Quality Traits Using Two Recombinant Inbred Line Populations and Their Backcross Progeny in Upland Cotton. G3 (Bethesda, Md.). 2016 Jun 24.

Abstract

Cotton fiber as the raw natural fiber material is widely used for the textile industry. Understanding the genetic mechanism of fiber traits is helpful for fiber quality improvement. In present study, the genetic basis of fiber quality traits was explored using two recombinant inbred lines (RILs) and corresponding backcross (BC) populations under multiple environments in Upland cotton based on marker analysis. In backcross population, no significant correlation was observed between marker heterozygosity and fiber quality performance and it suggested that heterozygosity was not always necessarily advantageous for the high fiber quality. In two hybrids, 111 quantitative trait loci (QTLs) for fiber quality were detected using composite interval mapping, in which 62 new stable QTLs were simultaneously identified in more than one environments or populations. QTL detected at the single-locus level mainly showed additive effect. In addition, a total of 286 digenic interactions (E-QTLs) and their environmental interactions (QTL × environment interactions, QEs) were detected for fiber quality traits by inclusive composite interval mapping. QE effects should be considered in molecular marker-assisted selection breeding. On average, the E-QTL explained a larger portion of the phenotypic variation than the main effect QTL did. It is concluded that additive effect of single-locus and epistasis with few detectable main effects play an important role in controlling fiber quality traits in Upland cotton.

Projects
This publication contains information about 6 projects:
Project NameDescription
GG-RIL-2016
GVG-RIL-2016
GG-RIL-2016 SSR
GVG-RIL-2016 SSR
GG-RIL-2016 fiber traits
GVG-RIL-2016 fiber traits
Germplasm
This publication contains information about 714 stocks:
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cdbprg_GG-RIL-001GG-RIL-001breeding_germplasm
cdbprg_GG-RIL-002GG-RIL-002breeding_germplasm
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cdbprg_GG-RIL-006GG-RIL-006breeding_germplasm
cdbprg_GG-RIL-007GG-RIL-007breeding_germplasm
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cdbprg_GG-RIL-023GG-RIL-023breeding_germplasm
cdbprg_GG-RIL-024GG-RIL-024breeding_germplasm
cdbprg_GG-RIL-025GG-RIL-025breeding_germplasm

Pages

Featuremaps
This publication contains information about 2 maps:
Map Name
GX1135 x GX100-2, RIL (2016)
GX1135 x VGX100-2, RIL (2016)
Properties
Additional details for this publication include:
Property NameValue
Publication ModelPrint-Electronic
ISSN2160-1836
eISSN2160-1836
Publication Date2016 Jun 24
Journal AbbreviationG3 (Bethesda)
Elocation10.1534/g3.116.031302
CopyrightCopyright © 2016 Author et al.
LanguageEnglish
Language AbbrENG
Publication TypeJournal Article
Cross References
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DatabaseAccession
PMID: PubMedPMID:27342735