农业科学学报(英文)2024，Vol.23Issue(1) ：20-38.DOI:10.1016/j.jia.2023.06.012

Assessment of molecular markers and marker-assisted selection for drought tolerance in barley(Hordeum vulgare L.)

Akmaral Baidyussen Gulmira Khassanova Maral Utebayev Satyvaldy Jatayev Rystay Kushanova Sholpan Khalbayeva Aigul Amangeldiyeva Raushan Yerzhebayeva Kulpash Bulatova Carly Schramm Peter Anderson Colin L.D.Jenkins Kathleen L.Soole Yuri Shavrukov
农业科学学报(英文)2024，Vol.23Issue(1) ：20-38.DOI:10.1016/j.jia.2023.06.012
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Assessment of molecular markers and marker-assisted selection for drought tolerance in barley(Hordeum vulgare L.)

Akmaral Baidyussen 1Gulmira Khassanova 2Maral Utebayev 3Satyvaldy Jatayev 1Rystay Kushanova 4Sholpan Khalbayeva 4Aigul Amangeldiyeva 4Raushan Yerzhebayeva 4Kulpash Bulatova 4Carly Schramm 5Peter Anderson 5Colin L.D.Jenkins 5Kathleen L.Soole 5Yuri Shavrukov5
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作者信息

  • 1. Faculty of Agronomy,S.Seifullin Kazakh AgroTechnical Research University,Astana 010000,Kazakhstan
  • 2. Faculty of Agronomy,S.Seifullin Kazakh AgroTechnical Research University,Astana 010000,Kazakhstan;A.I.Barayev Research and Production Centre of Grain Farming,Shortandy 021601,Kazakhstan
  • 3. A.I.Barayev Research and Production Centre of Grain Farming,Shortandy 021601,Kazakhstan
  • 4. Kazakh Research Institute of Agriculture and Plant Growing,Almalybak,Almaty District 040909,Kazakhstan
  • 5. College of Science and Engineering,Biological Sciences,Flinders University,Adelaide,SA 5042,Australia
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Abstract

This review updates the present status of the field of molecular markers and marker-assisted selection(MAS),using the example of drought tolerance in barley.The accuracy of selected quantitative trait loci(QTLs),candidate genes and suggested markers was assessed in the barley genome cv.Morex.Six common strategies are described for molecular marker development,candidate gene identification and verification,and their possible applications in MAS to improve the grain yield and yield components in barley under drought stress.These strategies are based on the following five principles:(1)Molecular markers are designated as genomic'tags',and their'prediction'is strongly dependent on their distance from a candidate gene on genetic or physical maps;(2)plants react differently under favourable and stressful conditions or depending on their stage of development;(3)each candidate gene must be verified by confirming its expression in the relevant conditions,e.g.,drought;(4)the molecular marker identified must be validated for MAS for tolerance to drought stress and improved grain yield;and(5)the small number of molecular markers realized for MAS in breeding,from among the many studies targeting candidate genes,can be explained by the complex nature of drought stress,and multiple stress-responsive genes in each barley genotype that are expressed differentially depending on many other factors.

Key words

barley/candidate genes/drought tolerance/gene verification via expression/grain yield/marker-assisted selection(MAS)/molecular markers/quantitative trait loci(QTLs)/strategy for MAS

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基金项目

Bolashak International Fellowships,Center for International Programs,Ministry of Education and Science,Kazakhstan Research Proje(BR10764991)

Bolashak International Fellowships,Center for International Programs,Ministry of Education and Science,Kazakhstan Research Proje(BR10765000)

Ministry of Agriculture,Kazakhstan and AP14869777()

Ministry of Education and Science,Kazakhstan()

出版年

2024
农业科学学报(英文)
中国农业科学院农业信息研究所

农业科学学报(英文)

CSTPCD
影响因子：0.576
ISSN：2095-3119
参考文献量100
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