Article(id=1307627266486329933, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627246831817005, articleNumber=null, orderNo=null, doi=10.7606/j.issn.1009-1041.2025.12.04, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1750262400000, receivedDateStr=2025-06-19, revisedDate=1758643200000, revisedDateStr=2025-09-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1789692234869, onlineDateStr=2026-09-18, pubDate=1765728000000, pubDateStr=2025-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789692234869, onlineIssueDateStr=2026-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789692234869, creator=13701087609, updateTime=1789692234869, updator=13701087609, issue=Issue{id=1307627246831817005, tenantId=1146029695717560320, journalId=1303687221787852879, year='2025', volume='45', issue='12', pageStart='F2', pageEnd='1718', issueExtLink='null', onlineDate='null', pubDate='1765728000000', pubDateStr='2025-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789692230184, creator='13701087609', updateTime=1789721989753, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307752068756824724, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627246831817005, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307752068756824725, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627246831817005, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1613, endPage=1619, ext={EN=ArticleExt(id=1307627268130497102, articleId=1307627266486329933, tenantId=1146029695717560320, journalId=1303687221787852879, language=EN, title=Fine Mapping of the Dwarf Gene in a Novel Wheat Germplasm 11003, columnId=1307627250845770215, journalTitle=Journal of Triticeae Crops, columnName=Genetics & Breedin, runingTitle=null, highlight=null, articleAbstract=

Multiple reduced height (Rht) genes in wheat had been identified but only a few were applied in breeding programs. Therefore, identifying and utilizing new Rht genes remains a prerequisite for breeding high-yield and stable wheat varieties. In this study, we constructed an F2 mapping population by crossing an elite dwarf wheat germplasm 11003 with Yangmai 20, a leading variety in the middle and lower reaches of the Yangtze River. Genetic analysis indicated that the lower plant height of 11003 was controlled by a pair of recessive major alleles. The Rht gene, designated as QPh.aaas-4D, was mapped to a physical interval of 16.64-25.97 Mb on chromosome 4D by using bulked-segregant analysis sequencing (BSA-Seq). Subsequently, high-density KASP makers were developed and mapped the QPh.aaas-4D to a 2.67 Mb candidate interval (18.95-21.62 Mb). Then we used the functional marker KP-Rht2 to test individuals of the F2 population and assumed the candidate gene underlying QPh.aaas-4D was the classical Rht gene, Rht2. Based on this study, reduced height of the novel wheat germplasm 11003 is likely related to the Rht2 gene located on chromosome 4D, which can be used in wheat breeding.

, authors=Hao1 SUN1, 2, 3, Bin ZHAO1, 3, Yanchun PENG2, 4, Rui WANG1, 3, Changhao JI1, 3, Bin ZHU1, 3, Xiaodong CHEN1, 3, authorsList=Hao1 SUN, Bin ZHAO, Yanchun PENG, Rui WANG, Changhao JI, Bin ZHU, Xiaodong CHEN, authorCompany=null, correspAuthors=Xiaodong CHEN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307627268507984463, articleId=1307627266486329933, tenantId=1146029695717560320, journalId=1303687221787852879, language=CN, title=小麦新种质11003矮秆基因的精细定位, columnId=1305133119284212678, journalTitle=麦类作物学报, columnName=遗传育种, runingTitle=null, highlight=null, articleAbstract=

多个小麦矮秆(reduced height, Rht)基因已被鉴定,但仅有少数应用于育种,挖掘可利用的新矮源基因仍是培育高产、稳产小麦品种的前提和基础。以优异矮秆小麦新种质11003为研究对象,与长江中下游主推品种扬麦20组配构建F2分离群体,对株高性状进行遗传分析。结果表明,11003的矮秆表型由1对隐性主效基因控制,混池分离测序分析(BSA-seq)将其矮秆基因定位于4D染色体16.64~25.97 Mb的物理区间内,命名为QPh.aaas-4D。通过KASP标记不断加密,将QPh.aaas-4D精细定位至18.95~21.62 Mb的2.67 Mb候选区间内。经矮秆基因Rht2功能标记KP-Rht2检验,推测QPh.aaas-4D目的基因可能为该经典矮秆基因。基于上述结果,小麦新种质11003株高下降可能与4D染色体上携带Rht2基因有关,以其作亲本组配,可改良小麦株高性状。

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小麦新种质11003矮秆基因的精细定位
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孙皓 1, 2, 3 , 赵斌 1, 3 , 彭严春 2, 4 , 王瑞 1, 3 , 季昌好 1, 3 , 朱斌 1, 3 , 陈晓东 1, 3
麦类作物学报 | 遗传育种 2025,45(12): 1613-1619
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麦类作物学报 |遗传育种 2025 , 45 (12) : 1613 -1619
小麦新种质11003矮秆基因的精细定位
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孙皓1, 2, 3 , 赵斌1, 3, 彭严春2, 4, 王瑞1, 3, 季昌好1, 3, 朱斌1, 3, 陈晓东1, 3
作者信息
  • 1.安徽省农业科学院作物研究所,安徽 合肥 230031
  • 2.粮食作物种质创新与遗传改良湖北省重点实验室,湖北 武汉 430064
  • 3.农作物品质改良安徽省重点实验室,安徽 合肥 230031
  • 4.湖北省农业科学院粮食作物研究所,湖北 武汉 430064
通讯作者:
E-mail: (陈晓东)
作者简介:

E-mail: (孙皓)

Fine Mapping of the Dwarf Gene in a Novel Wheat Germplasm 11003
Hao1 SUN1, 2, 3 , Bin ZHAO1, 3, Yanchun PENG2, 4, Rui WANG1, 3, Changhao JI1, 3, Bin ZHU1, 3, Xiaodong CHEN1, 3
Affiliations
  • 1.Crop Research Institute, Anhui Academy of Agricultural Sciences, Hefei, Anhui 230031, China
  • 2.Hubei Key Laboratory of Food Crop Germplasm and Genetic Improvement, Wuhan, Hubei 430064, China
  • 3.Anhui Provincial Key Laboratory of Crop Quality Improvement, Hefei, Anhui 230031, China
  • 4.Institute of Food Crops, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
出版时间: 2025-12-15 doi: 10.7606/j.issn.1009-1041.2025.12.04
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多个小麦矮秆(reduced height, Rht)基因已被鉴定,但仅有少数应用于育种,挖掘可利用的新矮源基因仍是培育高产、稳产小麦品种的前提和基础。以优异矮秆小麦新种质11003为研究对象,与长江中下游主推品种扬麦20组配构建F2分离群体,对株高性状进行遗传分析。结果表明,11003的矮秆表型由1对隐性主效基因控制,混池分离测序分析(BSA-seq)将其矮秆基因定位于4D染色体16.64~25.97 Mb的物理区间内,命名为QPh.aaas-4D。通过KASP标记不断加密,将QPh.aaas-4D精细定位至18.95~21.62 Mb的2.67 Mb候选区间内。经矮秆基因Rht2功能标记KP-Rht2检验,推测QPh.aaas-4D目的基因可能为该经典矮秆基因。基于上述结果,小麦新种质11003株高下降可能与4D染色体上携带Rht2基因有关,以其作亲本组配,可改良小麦株高性状。

小麦  /  株高  /  矮秆基因  /  QTL定位

Multiple reduced height (Rht) genes in wheat had been identified but only a few were applied in breeding programs. Therefore, identifying and utilizing new Rht genes remains a prerequisite for breeding high-yield and stable wheat varieties. In this study, we constructed an F2 mapping population by crossing an elite dwarf wheat germplasm 11003 with Yangmai 20, a leading variety in the middle and lower reaches of the Yangtze River. Genetic analysis indicated that the lower plant height of 11003 was controlled by a pair of recessive major alleles. The Rht gene, designated as QPh.aaas-4D, was mapped to a physical interval of 16.64-25.97 Mb on chromosome 4D by using bulked-segregant analysis sequencing (BSA-Seq). Subsequently, high-density KASP makers were developed and mapped the QPh.aaas-4D to a 2.67 Mb candidate interval (18.95-21.62 Mb). Then we used the functional marker KP-Rht2 to test individuals of the F2 population and assumed the candidate gene underlying QPh.aaas-4D was the classical Rht gene, Rht2. Based on this study, reduced height of the novel wheat germplasm 11003 is likely related to the Rht2 gene located on chromosome 4D, which can be used in wheat breeding.

Wheat  /  Plant height  /  Reduced-height (Rht) gene  /  QTL mapping
孙皓, 赵斌, 彭严春, 王瑞, 季昌好, 朱斌, 陈晓东. 小麦新种质11003矮秆基因的精细定位. 麦类作物学报, 2025 , 45 (12) : 1613 -1619 . DOI: 10.7606/j.issn.1009-1041.2025.12.04
Hao1 SUN, Bin ZHAO, Yanchun PENG, Rui WANG, Changhao JI, Bin ZHU, Xiaodong CHEN. Fine Mapping of the Dwarf Gene in a Novel Wheat Germplasm 11003[J]. Journal of Triticeae Crops, 2025 , 45 (12) : 1613 -1619 . DOI: 10.7606/j.issn.1009-1041.2025.12.04
  • 粮食作物种质创新与遗传改良湖北省重点实验室开放课题(2023lzjj09)
  • 安徽省农业科学院科研团队项目(2025YL003)
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doi: 10.7606/j.issn.1009-1041.2025.12.04
  • 接收时间:2025-06-19
  • 首发时间:2026-09-18
  • 出版时间:2025-12-15
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  • 收稿日期:2025-06-19
  • 修回日期:2025-09-24
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粮食作物种质创新与遗传改良湖北省重点实验室开放课题(2023lzjj09)
安徽省农业科学院科研团队项目(2025YL003)
作者信息
    1.安徽省农业科学院作物研究所,安徽 合肥 230031
    2.粮食作物种质创新与遗传改良湖北省重点实验室,湖北 武汉 430064
    3.农作物品质改良安徽省重点实验室,安徽 合肥 230031
    4.湖北省农业科学院粮食作物研究所,湖北 武汉 430064

通讯作者:

E-mail: (陈晓东)
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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