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QTL Analysis of Spike Morphological Traits and Plant Height in Winter Wheat ( L.) Using a High-Density SNP and SSR-Based Linkage Map

Wheat yield can be enhanced by modifying the spike morphology and the plant height. In this study, a population of 191 F recombinant inbred lines (RILs) was developed from a cross between two winter cultivars Yumai 8679 and Jing 411. A dense genetic linkage map with 10,816 markers was constructed by... Full description

Journal Title: Frontiers in plant science 2016, Vol.7, pp.1617
Main Author: Zhai, Huijie
Other Authors: Feng, Zhiyu , Li, Jiang , Liu, Xinye , Xiao, Shihe , Ni, Zhongfu , Sun, Qixin
Format: Electronic Article Electronic Article
Language: English
Subjects:
Qtl
Snp
Ssr
ID: ISSN: 1664-462X ; PMID: 27872629 Version:1
Link: http://pubmed.gov/27872629
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title: QTL Analysis of Spike Morphological Traits and Plant Height in Winter Wheat ( L.) Using a High-Density SNP and SSR-Based Linkage Map
format: Article
creator:
  • Zhai, Huijie
  • Feng, Zhiyu
  • Li, Jiang
  • Liu, Xinye
  • Xiao, Shihe
  • Ni, Zhongfu
  • Sun, Qixin
subjects:
  • Qtl
  • Snp
  • Ssr
  • Plant Height
  • Spike Morphology
  • Wheat
ispartof: Frontiers in plant science, 2016, Vol.7, pp.1617
description: Wheat yield can be enhanced by modifying the spike morphology and the plant height. In this study, a population of 191 F recombinant inbred lines (RILs) was developed from a cross between two winter cultivars Yumai 8679 and Jing 411. A dense genetic linkage map with 10,816 markers was constructed by incorporating single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) marker information. Five spike morphological traits and plant height were evaluated under nine environments for the RILs and parental lines, and the number of detected environmentally stable QTLs were 18 and three, respectively. The 1RS/1BL (rye) translocation increased both spike length and spikelet number with constant spikelet compactness. The was identical to gene , which decreased spike length without modifying spikelet number. Notably, four novel QTLs locating on chromosomes 1AS (), 2DS (), and 7BS ( and ) were firstly identified in this study, which provide further insights into the genetic factors that shaped the spike morphology in wheat. Moreover, SNP markers tightly linked to previously reported QTLs will eventually facilitate future studies including their positional cloning or marker-assisted selection.
language: eng
source:
identifier: ISSN: 1664-462X ; PMID: 27872629 Version:1
fulltext: fulltext
issn:
  • 1664462X
  • 1664-462X
url: Link


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titleQTL Analysis of Spike Morphological Traits and Plant Height in Winter Wheat ( L.) Using a High-Density SNP and SSR-Based Linkage Map
creatorZhai, Huijie ; Feng, Zhiyu ; Li, Jiang ; Liu, Xinye ; Xiao, Shihe ; Ni, Zhongfu ; Sun, Qixin
ispartofFrontiers in plant science, 2016, Vol.7, pp.1617
identifierISSN: 1664-462X ; PMID: 27872629 Version:1
subjectQtl ; Snp ; Ssr ; Plant Height ; Spike Morphology ; Wheat
descriptionWheat yield can be enhanced by modifying the spike morphology and the plant height. In this study, a population of 191 F recombinant inbred lines (RILs) was developed from a cross between two winter cultivars Yumai 8679 and Jing 411. A dense genetic linkage map with 10,816 markers was constructed by incorporating single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) marker information. Five spike morphological traits and plant height were evaluated under nine environments for the RILs and parental lines, and the number of detected environmentally stable QTLs were 18 and three, respectively. The 1RS/1BL (rye) translocation increased both spike length and spikelet number with constant spikelet compactness. The was identical to gene , which decreased spike length without modifying spikelet number. Notably, four novel QTLs locating on chromosomes 1AS (), 2DS (), and 7BS ( and ) were firstly identified in this study, which provide further insights into the genetic factors that shaped the spike morphology in wheat. Moreover, SNP markers tightly linked to previously reported QTLs will eventually facilitate future studies including their positional cloning or marker-assisted selection.
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abstractWheat yield can be enhanced by modifying the spike morphology and the plant height. In this study, a population of 191 F recombinant inbred lines (RILs) was developed from a cross between two winter cultivars Yumai 8679 and Jing 411. A dense genetic linkage map with 10,816 markers was constructed by incorporating single nucleotide polymorphism (SNP) and simple sequence repeat (SSR) marker information. Five spike morphological traits and plant height were evaluated under nine environments for the RILs and parental lines, and the number of detected environmentally stable QTLs were 18 and three, respectively. The 1RS/1BL (rye) translocation increased both spike length and spikelet number with constant spikelet compactness. The was identical to gene , which decreased spike length without modifying spikelet number. Notably, four novel QTLs locating on chromosomes 1AS (), 2DS (), and 7BS ( and ) were firstly identified in this study, which provide further insights into the genetic factors that shaped the spike morphology in wheat. Moreover, SNP markers tightly linked to previously reported QTLs will eventually facilitate future studies including their positional cloning or marker-assisted selection.
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