Article(id=1307627325319827514, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627319351333857, articleNumber=null, orderNo=null, doi=10.7606/j.issn.1009-1041.2025.10.05, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1731340800000, receivedDateStr=2024-11-12, revisedDate=1758211200000, revisedDateStr=2025-09-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1789692248896, onlineDateStr=2026-09-18, pubDate=1760457600000, pubDateStr=2025-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789692248896, onlineIssueDateStr=2026-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789692248896, creator=13701087609, updateTime=1789692248896, updator=13701087609, issue=Issue{id=1307627319351333857, tenantId=1146029695717560320, journalId=1303687221787852879, year='2025', volume='45', issue='10', pageStart='F2', pageEnd='1440', issueExtLink='null', onlineDate='null', pubDate='1760457600000', pubDateStr='2025-10-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789692247474, creator='13701087609', updateTime=1789722059268, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307752359971545845, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627319351333857, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307752359971545846, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1307627319351333857, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1331, endPage=1341, ext={EN=ArticleExt(id=1307627325533737019, articleId=1307627325319827514, tenantId=1146029695717560320, journalId=1303687221787852879, language=EN, title=Cloning and Functional Characterization of Cell Division Cytokinin Oxidase/Dehydrogenase Gene TaCKX1B in Wheat, columnId=1307627250845770215, journalTitle=Journal of Triticeae Crops, columnName=Genetics & Breedin, runingTitle=null, highlight=null, articleAbstract=

This study aimed to investigate the regulatory role of cell division cytokinin in wheat root morphological development and to identify key functional genes involved in root system architecture regulation. The seedlings of a wheat variety Jinmai 47 were treated with exogenous 0.05 μmol·L-1 6-benzylaminopurine (6-BA) to systematically analyze its effects on root phenotypic traits. The genotypic sensitivity of 110 wheat varieties (lines) to 6-BA was evaluated. Furthermore, the TaCKX1B gene was obtained through homology-based cloning, and its function was validated via heterologous overexpression in tobacco. The results showed that the treatment with 0.05 μmol·L-1 6-BA significantly inhibited primary root elongation while promoting root hair initiation and elongation. Considerable genetic variation in sensitivity to 6-BA was observed among wheat genotypes, with sensitivity indices predominantly ranging from 40% to 60%. Materials with low sensitivity at the seedling stage exhibited more developed root systems at the grain-filling stage. The TaCKX1B gene was located on chromosome 1B, with a coding sequence length of 1 569 bp. Heterologous overexpression of TaCKX1B in tobacco resulted in approximately a two-fold increase in root biomass in T1 transgenic plants compared to wild-type controls. In conclusion, the TaCKX1B gene plays a positive regulatory role in plant root development.

, authors=Tingting LI1, Xue ZHOU2, Yongmao CHAI1, Zhonghua WANG3, authorsList=Tingting LI, Xue ZHOU, Yongmao CHAI, Zhonghua WANG, authorCompany=null, correspAuthors=Zhonghua WANG, 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=1307627325969944637, articleId=1307627325319827514, tenantId=1146029695717560320, journalId=1303687221787852879, language=CN, title=小麦细胞分裂素氧化酶/脱氢酶基因TaCKX1B克隆和功能分析, columnId=1305133119284212678, journalTitle=麦类作物学报, columnName=遗传育种, runingTitle=null, highlight=null, articleAbstract=

为探究细胞分裂素对小麦根系形态建成的调控作用,并挖掘调控根系发育的关键功能基因,系统分析了0.05 μmol·L-1 6-BA处理后小麦品种晋麦47幼苗根系表型的变化,评价了110份小麦品种(系)对6-BA的敏感性,同时采用同源克隆方法获得细胞分裂素氧化酶/脱氢酶基因TaCKX1B,并通过烟草异源过表达验证其功能。结果表明,0.05 μmol·L-1 6-BA处理显著抑制小麦初生根伸长生长,促进根毛发生与伸长;小麦对6-BA敏感性存在基因型差异,敏感指数主要分布于40%~60%,且苗期低敏感材料在灌浆期表现出更发达的根系表型;TaCKX1B基因定位于1B染色体,编码区全长1 569 bp,烟草过表达该基因后T1代转基因植株根系生物量约为野生型的2倍。综上所述,TaCKX1B基因在正向调控植物根系发育中具有重要作用。

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小麦细胞分裂素氧化酶/脱氢酶基因TaCKX1B克隆和功能分析
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李婷婷 1 , 周雪 2 , 柴永懋 1 , 王中华 3
麦类作物学报 | 遗传育种 2025,45(10): 1331-1341
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麦类作物学报 |遗传育种 2025 , 45 (10) : 1331 -1341
小麦细胞分裂素氧化酶/脱氢酶基因TaCKX1B克隆和功能分析
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李婷婷1 , 周雪2, 柴永懋1, 王中华3
作者信息
  • 1.陕西农林职业技术大学,陕西 杨凌 712100
  • 2.延安市农业科学研究院,陕西 延安 716000
  • 3.西北农林科技大学农学院,陕西 杨凌 712100
通讯作者:
E-mail: (王中华)
作者简介:

E-mail: (李婷婷)

Cloning and Functional Characterization of Cell Division Cytokinin Oxidase/Dehydrogenase Gene TaCKX1B in Wheat
Tingting LI1 , Xue ZHOU2, Yongmao CHAI1, Zhonghua WANG3
Affiliations
  • 1.Shaanxi Vocational and Technical University of A&F, Yangling, Shaanxi 712100, China
  • 2.Yan'an Academy of Agricultural Sciences, Yan'an, Shaanxi, 716000, China
  • 3.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
出版时间: 2025-10-15 doi: 10.7606/j.issn.1009-1041.2025.10.05
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为探究细胞分裂素对小麦根系形态建成的调控作用,并挖掘调控根系发育的关键功能基因,系统分析了0.05 μmol·L-1 6-BA处理后小麦品种晋麦47幼苗根系表型的变化,评价了110份小麦品种(系)对6-BA的敏感性,同时采用同源克隆方法获得细胞分裂素氧化酶/脱氢酶基因TaCKX1B,并通过烟草异源过表达验证其功能。结果表明,0.05 μmol·L-1 6-BA处理显著抑制小麦初生根伸长生长,促进根毛发生与伸长;小麦对6-BA敏感性存在基因型差异,敏感指数主要分布于40%~60%,且苗期低敏感材料在灌浆期表现出更发达的根系表型;TaCKX1B基因定位于1B染色体,编码区全长1 569 bp,烟草过表达该基因后T1代转基因植株根系生物量约为野生型的2倍。综上所述,TaCKX1B基因在正向调控植物根系发育中具有重要作用。

小麦  /  细胞分裂素氧化酶/脱氢酶基因  /  根系发育  /  基因功能  /  遗传转化

This study aimed to investigate the regulatory role of cell division cytokinin in wheat root morphological development and to identify key functional genes involved in root system architecture regulation. The seedlings of a wheat variety Jinmai 47 were treated with exogenous 0.05 μmol·L-1 6-benzylaminopurine (6-BA) to systematically analyze its effects on root phenotypic traits. The genotypic sensitivity of 110 wheat varieties (lines) to 6-BA was evaluated. Furthermore, the TaCKX1B gene was obtained through homology-based cloning, and its function was validated via heterologous overexpression in tobacco. The results showed that the treatment with 0.05 μmol·L-1 6-BA significantly inhibited primary root elongation while promoting root hair initiation and elongation. Considerable genetic variation in sensitivity to 6-BA was observed among wheat genotypes, with sensitivity indices predominantly ranging from 40% to 60%. Materials with low sensitivity at the seedling stage exhibited more developed root systems at the grain-filling stage. The TaCKX1B gene was located on chromosome 1B, with a coding sequence length of 1 569 bp. Heterologous overexpression of TaCKX1B in tobacco resulted in approximately a two-fold increase in root biomass in T1 transgenic plants compared to wild-type controls. In conclusion, the TaCKX1B gene plays a positive regulatory role in plant root development.

Wheat  /  Cell division cytokinin oxidase/dehydrogenase gene  /  Root development  /  Gene function  /  Genetic transformation
李婷婷, 周雪, 柴永懋, 王中华. 小麦细胞分裂素氧化酶/脱氢酶基因TaCKX1B克隆和功能分析. 麦类作物学报, 2025 , 45 (10) : 1331 -1341 . DOI: 10.7606/j.issn.1009-1041.2025.10.05
Tingting LI, Xue ZHOU, Yongmao CHAI, Zhonghua WANG. Cloning and Functional Characterization of Cell Division Cytokinin Oxidase/Dehydrogenase Gene TaCKX1B in Wheat[J]. Journal of Triticeae Crops, 2025 , 45 (10) : 1331 -1341 . DOI: 10.7606/j.issn.1009-1041.2025.10.05
  • 旱区农业陕西实验室开放课题(2024ZY-JCYJ-02-13)
  • 陕西省科技厅青年项目(S2023-JC-QN-0422)
  • 校内博士+高职生工作室建设项目(BG2022001)
  • 校内国家自然科学基金培育项目(GZ2023-003)
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2025年第45卷第10期
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doi: 10.7606/j.issn.1009-1041.2025.10.05
  • 接收时间:2024-11-12
  • 首发时间:2026-09-18
  • 出版时间:2025-10-15
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  • 收稿日期:2024-11-12
  • 修回日期:2025-09-19
基金
旱区农业陕西实验室开放课题(2024ZY-JCYJ-02-13)
陕西省科技厅青年项目(S2023-JC-QN-0422)
校内博士+高职生工作室建设项目(BG2022001)
校内国家自然科学基金培育项目(GZ2023-003)
作者信息
    1.陕西农林职业技术大学,陕西 杨凌 712100
    2.延安市农业科学研究院,陕西 延安 716000
    3.西北农林科技大学农学院,陕西 杨凌 712100

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https://castjournals.cast.org.cn/joweb/mlzwxb/CN/10.7606/j.issn.1009-1041.2025.10.05
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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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