Article(id=1305136201330085905, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305136200847740945, articleNumber=null, orderNo=null, doi=10.7606/j.issn.1009-1041.2026.05.03, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762272000000, receivedDateStr=2025-11-05, revisedDate=1770220800000, revisedDateStr=2026-02-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1789098318655, onlineDateStr=2026-09-11, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789098318655, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789098318655, creator=13701087609, updateTime=1789098318655, updator=13701087609, issue=Issue{id=1305136200847740945, tenantId=1146029695717560320, journalId=1303687221787852879, year='2026', volume='46', issue='5', pageStart='F2', pageEnd='706', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789098318540, creator='13701087609', updateTime=1789103109806, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305156296924222402, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305136200847740945, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305156296924222403, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305136200847740945, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=584, endPage=594, ext={EN=ArticleExt(id=1305136201543995410, articleId=1305136201330085905, tenantId=1146029695717560320, journalId=1303687221787852879, language=EN, title=Identification and Expression Characteristics Analysis of the Glutamate Decarboxylase Gene Family in Wheat, columnId=1305133119129023428, journalTitle=Journal of Triticeae Crops, columnName=Genetics & Breeding, runingTitle=null, highlight=null, articleAbstract=

Gamma-aminobutyric acid (GABA) synthesis in plants is primarily catalyzed by glutamate decarboxylase (GAD), a key enzyme in GABA metabolism that is involved in regulating reactive oxygen species (ROS) accumulation and stress responses. In this study, genome-wide identification of the wheat TaGAD gene family members was performed, followed by analyses of their structural characteristics, miRNA targeting relationships, expression responses to exogenous hormones including IAA, MeJA, ABA, SA, and H2O2, as well as expression profiles of the GAD gene family induced by biological stress from stripe rust infection. The results showed that a total of 19 TaGAD genes were identified in the wheat genome, distributed across 7 chromosomes. Analysis of gene structure and conserved motifs revealed that most members of this family contained the Pyridoxal_deC conserved domain. miRNA target gene prediction suggested that the expression of TaGAD genes might be regulated at the translational level by miRNAs. Transcriptome analysis indicated that TaGAD9-3B, TaGAD11-3D, TaGAD4-2B, and TaGAD2-2A exhibited relatively high expression levels at different developmental stages and in various tissues of wheat, and their expression was significantly altered under drought and high-temperature stresses. Quantitative real-time PCR analysis demonstrated that the transcript levels of TaGAD genes varied under exogenous substance treatments and stripe rust infection. Among them, the expression of TaGAD4-2B was most significantly up-regulated by IAA induction, with an increase of more than 300 fold, while TaGAD7-3A showed the highest expression change (24 fold up-regulation) under SA induction. Upon infection by the stripe rust physiological race CYR32, the expression levels of TaGAD15-4A and TaGAD19-4D were up-regulated more prominently, reaching 13 fold and 12 fold increases respectively, which were significantly higher than those of other family members. Through systematic identification, characteristic analysis, expression profiling and quantitative detection of stress responses of the wheat TaGAD gene family, this study lays a foundation for further in-depth research on the functions of TaGAD family members in wheat.

, authors=Xujun LUO1, 2, Chang SU3, Xinqian LÜ1, Liang HUANG2, Chengyun LI1, Yangshan HU1, authorsList=Xujun LUO, Chang SU, Xinqian LÜ, Liang HUANG, Chengyun LI, Yangshan HU, authorCompany=null, correspAuthors=Yangshan HU, 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=1305136201770487827, articleId=1305136201330085905, tenantId=1146029695717560320, journalId=1303687221787852879, language=CN, title=小麦谷氨酸脱羧酶基因家族鉴定和表达特征分析, columnId=1305133119284212678, journalTitle=麦类作物学报, columnName=遗传育种, runingTitle=null, highlight=null, articleAbstract=

谷氨酸脱羧酶(GAD)是催化谷氨酸脱羧的裂解酶,在植物减轻活性氧积累、应对逆境胁迫等方面发挥重要作用。本研究对小麦TaGAD基因家族成员进行全基因组鉴定,并分析其结构特征、miRNA靶向关系、外源激素IAA、MeJA、ABA、SA和H2O2处理的响应情况,以及生物胁迫条锈菌侵染下诱导GAD基因家族的表达特征。结果表明,小麦基因组中共有19个TaGAD基因,分布于7条染色体上;该家族多数含有吡哆醛(Pyridoxal_deC)保守结构域;通过miRNA靶基因预测,TaGAD的表达可能受到miRNA的翻译水平调控。经转录组分析,TaGAD9-3BTaGAD11-3DTaGAD4-2BTaGAD2-2A基因在小麦不同发育阶段和组织中呈现相对较高的表达,且在干旱和高温胁迫下显著变化。通过实时荧光定量PCR分析发现,小麦TaGAD基因表达量在外源物质处理和条锈菌侵染诱导下存在差异,其中TaGAD4-2B在IAA诱导下表达量上调最明显,超过300倍,TaGAD7-3A在SA诱导下表达量变化最高,上调24倍;在条锈菌生理小种CYR32侵染诱导下,TaGAD15-4A[KG-1.5mm]、TaGAD19-4D的表达量上调相对较高,分别上调13倍和12倍,显著高于其他家族成员。本研究通过对小麦TaGAD基因家族的系统鉴定、特征分析、表达谱分析和胁迫响应定量检测等,为后续深入研究小麦TaGAD家族成员的功能奠定基础。

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E-mail: (罗序俊)

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小麦谷氨酸脱羧酶基因家族鉴定和表达特征分析
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罗序俊 1, 2 , 苏畅 3 , 吕欣倩 1 , 黄亮 2 , 李成云 1 , 胡洋山 1
麦类作物学报 | 遗传育种 2026,46(5): 584-594
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麦类作物学报 |遗传育种 2026 , 46 (5) : 584 -594
小麦谷氨酸脱羧酶基因家族鉴定和表达特征分析
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罗序俊1, 2 , 苏畅3, 吕欣倩1, 黄亮2, 李成云1, 胡洋山1
作者信息
  • 1.云南农业大学植物保护学院,云南 昆明 650201
  • 2.中国农业科学院植物保护研究所,北京 100193
  • 3.农业农村部长江中游作物绿色高效生产重点实验室(部省共建),涝渍灾害与湿地农业湖北省重点实验室,长江大学农学院,湖北 荆州 434025
通讯作者:
E-mail: (胡洋山)
作者简介:

E-mail: (罗序俊)

Identification and Expression Characteristics Analysis of the Glutamate Decarboxylase Gene Family in Wheat
Xujun LUO1, 2 , Chang SU3, Xinqian LÜ1, Liang HUANG2, Chengyun LI1, Yangshan HU1
Affiliations
  • 1.College of Plant Protection, Yunnan Agricultural University, Kunming, Yunnan 650201, China
  • 2.Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
  • 3.MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province)/Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Agriculture, Yangtze University, Jingzhou, Hubei 434025, China
出版时间: 2026-05-15 doi: 10.7606/j.issn.1009-1041.2026.05.03
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谷氨酸脱羧酶(GAD)是催化谷氨酸脱羧的裂解酶,在植物减轻活性氧积累、应对逆境胁迫等方面发挥重要作用。本研究对小麦TaGAD基因家族成员进行全基因组鉴定,并分析其结构特征、miRNA靶向关系、外源激素IAA、MeJA、ABA、SA和H2O2处理的响应情况,以及生物胁迫条锈菌侵染下诱导GAD基因家族的表达特征。结果表明,小麦基因组中共有19个TaGAD基因,分布于7条染色体上;该家族多数含有吡哆醛(Pyridoxal_deC)保守结构域;通过miRNA靶基因预测,TaGAD的表达可能受到miRNA的翻译水平调控。经转录组分析,TaGAD9-3BTaGAD11-3DTaGAD4-2BTaGAD2-2A基因在小麦不同发育阶段和组织中呈现相对较高的表达,且在干旱和高温胁迫下显著变化。通过实时荧光定量PCR分析发现,小麦TaGAD基因表达量在外源物质处理和条锈菌侵染诱导下存在差异,其中TaGAD4-2B在IAA诱导下表达量上调最明显,超过300倍,TaGAD7-3A在SA诱导下表达量变化最高,上调24倍;在条锈菌生理小种CYR32侵染诱导下,TaGAD15-4A[KG-1.5mm]、TaGAD19-4D的表达量上调相对较高,分别上调13倍和12倍,显著高于其他家族成员。本研究通过对小麦TaGAD基因家族的系统鉴定、特征分析、表达谱分析和胁迫响应定量检测等,为后续深入研究小麦TaGAD家族成员的功能奠定基础。

小麦  /  谷氨酸脱羧酶  /  生物信息学  /  生物胁迫与非生物胁迫

Gamma-aminobutyric acid (GABA) synthesis in plants is primarily catalyzed by glutamate decarboxylase (GAD), a key enzyme in GABA metabolism that is involved in regulating reactive oxygen species (ROS) accumulation and stress responses. In this study, genome-wide identification of the wheat TaGAD gene family members was performed, followed by analyses of their structural characteristics, miRNA targeting relationships, expression responses to exogenous hormones including IAA, MeJA, ABA, SA, and H2O2, as well as expression profiles of the GAD gene family induced by biological stress from stripe rust infection. The results showed that a total of 19 TaGAD genes were identified in the wheat genome, distributed across 7 chromosomes. Analysis of gene structure and conserved motifs revealed that most members of this family contained the Pyridoxal_deC conserved domain. miRNA target gene prediction suggested that the expression of TaGAD genes might be regulated at the translational level by miRNAs. Transcriptome analysis indicated that TaGAD9-3B, TaGAD11-3D, TaGAD4-2B, and TaGAD2-2A exhibited relatively high expression levels at different developmental stages and in various tissues of wheat, and their expression was significantly altered under drought and high-temperature stresses. Quantitative real-time PCR analysis demonstrated that the transcript levels of TaGAD genes varied under exogenous substance treatments and stripe rust infection. Among them, the expression of TaGAD4-2B was most significantly up-regulated by IAA induction, with an increase of more than 300 fold, while TaGAD7-3A showed the highest expression change (24 fold up-regulation) under SA induction. Upon infection by the stripe rust physiological race CYR32, the expression levels of TaGAD15-4A and TaGAD19-4D were up-regulated more prominently, reaching 13 fold and 12 fold increases respectively, which were significantly higher than those of other family members. Through systematic identification, characteristic analysis, expression profiling and quantitative detection of stress responses of the wheat TaGAD gene family, this study lays a foundation for further in-depth research on the functions of TaGAD family members in wheat.

Triticum aestivum L  /  Glutamate decarboxylase  /  Bioinformatics  /  Biotic stress and abiotic stress
罗序俊, 苏畅, 吕欣倩, 黄亮, 李成云, 胡洋山. 小麦谷氨酸脱羧酶基因家族鉴定和表达特征分析. 麦类作物学报, 2026 , 46 (5) : 584 -594 . DOI: 10.7606/j.issn.1009-1041.2026.05.03
Xujun LUO, Chang SU, Xinqian LÜ, Liang HUANG, Chengyun LI, Yangshan HU. Identification and Expression Characteristics Analysis of the Glutamate Decarboxylase Gene Family in Wheat[J]. Journal of Triticeae Crops, 2026 , 46 (5) : 584 -594 . DOI: 10.7606/j.issn.1009-1041.2026.05.03
  • 云南省农业联合专项面上项目(2301BD070001-17)
  • 植物病虫害综合治理全国重点实验室开放基金项目(SKLOF202413)
  • 云南省植物病理重点实验室开放课题(szbkf2024003)
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2026年第46卷第5期
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doi: 10.7606/j.issn.1009-1041.2026.05.03
  • 接收时间:2025-11-05
  • 首发时间:2026-09-11
  • 出版时间:2026-05-15
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出版历史
  • 收稿日期:2025-11-05
  • 修回日期:2026-02-05
基金
云南省农业联合专项面上项目(2301BD070001-17)
植物病虫害综合治理全国重点实验室开放基金项目(SKLOF202413)
云南省植物病理重点实验室开放课题(szbkf2024003)
作者信息
    1.云南农业大学植物保护学院,云南 昆明 650201
    2.中国农业科学院植物保护研究所,北京 100193
    3.农业农村部长江中游作物绿色高效生产重点实验室(部省共建),涝渍灾害与湿地农业湖北省重点实验室,长江大学农学院,湖北 荆州 434025

通讯作者:

E-mail: (胡洋山)
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https://castjournals.cast.org.cn/joweb/mlzwxb/CN/10.7606/j.issn.1009-1041.2026.05.03
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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