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Article(id=1277254148252897334, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277253949203809194, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2026.01.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1755878400000, receivedDateStr=2025-08-23, revisedDate=null, revisedDateStr=null, acceptedDate=1760803200000, acceptedDateStr=2025-10-19, onlineDate=1782450719177, onlineDateStr=2026-06-26, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782450719177, onlineIssueDateStr=2026-06-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782450719177, creator=13701087609, updateTime=1782450719177, updator=13701087609, issue=Issue{id=1277253949203809194, tenantId=1146029695717560320, journalId=1235980609244409860, year='2026', volume='47', issue='1', pageStart='1', pageEnd='280', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782450671721, creator='13701087609', updateTime=1782451647086, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1277258041263256431, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277253949203809194, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1277258041263256432, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277253949203809194, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=5, endPage=16, ext={EN=ArticleExt(id=1277254149095952440, articleId=1277254148252897334, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Cloning and Characterization of Gibberellin Signal Transduction Gene ScGID2 from Sugarcane and Its Expression Analysis in Response to GA Signaling, columnId=1277253980237464574, journalTitle=Chinese Journal of Tropical Crops, columnName=Special Topics on Efficient Breeding and Green Cultivation of Sugarcane, runingTitle=null, highlight=null, articleAbstract=

Internode length is a key factor determining sugarcane plant height, and appropriate promotion of sugarcane internode elongation can increase unit yield. The gibberellin insensitive dwarf (GID) gene is a core receptor in the gibberellin (GA) signaling pathway. Previous studies have shown that sugarcane GID1 is highly expressed during the vigorous internode elongation stage, and its overexpression can enhance GA signaling to promote internode elongation. In this study, using the sugarcane variety Guitang 42, Xintaitang 22, Guifu 98-296 as the material, the coding sequence (CDS) of ScGID2 (gibberellin receptor protein) was cloned and subjected to bioinformatics analysis. Besides, quantitative real-time PCR (qRT-PCR) was used to analyze the expression patterns of the gene in different tissues, different genotypic varieties, and under gibberellin (GA3) treatment. Result showed that the cloned ScGID2 gene had a full-length CDS of 720 bp, encoding 239 amino acids, containing a conserved F-box domain. It shared high homology (>88.75%) with GID2 from gramineous plants such as sorghum and maize, and was mainly localized in the nucleus. Expression pattern analysis revealed that ScGID2 had the highest expression level in the shoot apex at the non-elongation stage, followed by the +2 internode at the vigorous elongation stage. There were differences in the expression patterns of ScGID2 among different sugarcane varieties. The expression of ScGID2 in Xintaitang 22, Guifu 98-296, and Guitang 43 showed a trend of first increasing, then decreasing, then increasing again, and then decreasing again. The expression level of ScGID2 in Guitang 43 was much higher than that in Xintaitang 22 and Guifu 98-296. The expression level of ScGID2 in Guitang 42 increased gradually, reaching the peak at 30 days. The expression peak of ScGID2 in long-internode varieties was significantly higher than that in short-internode varieties and lasted longer. After GA3 treatment, the expression peak of ScGID2 in the short-internode variety Guitang 14-818 appeared earlier than that in the long-internode variety Guifu 98-296. Taken together, the present study provides a theoretical basis for elucidating the molecular mechanism of gibberellin-mediated sugarcane internode elongation, and ScGID2 could serve as a potential molecular target for sugarcane plant height improvement, since the expression of ScGID2 is induced by gibberellin and positively correlated with the internode elongation rate.

, authors=null, authorsList=Rongfa CHEN, Xuzhao LIANG, Zhenguang LAI, Yuchi DENG, Zongmeng WU, Junli WEN, Zhongfeng ZHOU, Yanjiao LI, Qibin WU, Yegeng FAN, Jianming WU, authorCompany=null, correspAuthors=Yegeng FAN, Jianming WU, 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=1277254151478317114, articleId=1277254148252897334, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=甘蔗ScGID2基因的克隆鉴定及其在赤霉素信号转导中的表达调控模式分析, columnId=1277253981076324352, journalTitle=热带作物学报, columnName=甘蔗高效育种和绿色栽培专题, runingTitle=null, highlight=null, articleAbstract=

甘蔗节间长度是决定株高的重要因素，适当促进甘蔗节间伸长可以提高单产。前期研究发现，赤霉素受体（gibberellin insensitive dwarf, GID）在甘蔗节间伸长盛期高表达，且该过表达可增强赤霉素信号并促进节间伸长。本研究以桂糖42号、新台糖22号和桂辐98-296等甘蔗品种为材料，克隆ScGID2基因的CDS序列并进行生物信息学分析，通过实时荧光定量PCR（qRT-PCR）分析该基因在不同组织、不同基因型品种及赤霉素（GA3）处理下的表达模式。结果显示：ScGID2基因的CDS全长为720 bp，编码239个氨基酸，含保守的F-box结构域，与高粱、玉米等禾本科植物的GID2同源性较高（88.75%以上），主要定位于细胞核。表达模式分析显示，ScGID2在未伸长期茎尖中的表达量最高，其次是伸长盛期的+2节间。不同甘蔗品种间ScGID2基因的表达模式存在差异，新台糖22号、桂辐98-296和桂糖43号ScGID2基因的表达呈先升后降、再升再降趋势，桂糖43号ScGID2基因的表达量远高于新台糖22号和桂辐98-296，桂糖42号ScGID2基因的表达量逐步增加，30 d时达到峰值。长节长品种ScGID2基因的表达峰值显著高于短节长品种，且持续时间较长；GA3处理后，短节长品种桂糖14-818 ScGID2基因的表达峰值早于长节长品种桂辐98-296。鉴于ScGID2的表达受赤霉素诱导且与节间伸长速率呈正相关，可作为甘蔗株高改良的潜在分子靶点。本研究结果为阐明赤霉素介导甘蔗节间伸长的分子机制提供理论依据。

, authors=

陈荣发（1986—），硕士，副研究员，研究方向：甘蔗栽培生理生化和分子生物学。

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* 范业赓（FAN Yegeng），E-mail:
吴建明（WU Jianming），E-mail: 。
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陈荣发（1986—），硕士，副研究员，研究方向：甘蔗栽培生理生化和分子生物学。

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陈荣发（1986—），硕士，副研究员，研究方向：甘蔗栽培生理生化和分子生物学。

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甘蔗ScGID2基因的克隆鉴定及其在赤霉素信号转导中的表达调控模式分析
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陈荣发 1 , 梁序昭 2 , 赖振光 1 , 邓宇驰 1 , 吴宗猛 1 , 文俊丽 1 , 周忠凤 1 , 李燕娇 3 , 吴期滨 4 , 范业赓 1, * , 吴建明 1, *
热带作物学报 | 甘蔗高效育种和绿色栽培专题 2026,47(1): 5-16
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甘蔗ScGID2基因的克隆鉴定及其在赤霉素信号转导中的表达调控模式分析
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陈荣发（1986—），硕士，副研究员，研究方向：甘蔗栽培生理生化和分子生物学。

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陈荣发1, 梁序昭2, 赖振光1, 邓宇驰1, 吴宗猛1, 文俊丽1, 周忠凤1, 李燕娇3, 吴期滨4, 范业赓1, * , 吴建明1, *
作者信息
  • 1.广西壮族自治区农业科学院甘蔗研究所/农业农村部广西甘蔗生物技术与遗传改良重点实验室/广西甘蔗遗传改良重点实验室，广西南宁　530007
  • 2.广西种业集团有限公司，广西南宁　530007
  • 3.广西壮族自治区农业科学院微生物研究所，广西南宁　530007
  • 4.中国热带农业科学院热带生物技术研究所/热带作物生物育种全国重点实验室，海南海口　571101
通讯作者:
* 范业赓（FAN Yegeng），E-mail:
吴建明（WU Jianming），E-mail: 。
Cloning and Characterization of Gibberellin Signal Transduction Gene ScGID2 from Sugarcane and Its Expression Analysis in Response to GA Signaling
Rongfa CHEN1, Xuzhao LIANG2, Zhenguang LAI1, Yuchi DENG1, Zongmeng WU1, Junli WEN1, Zhongfeng ZHOU1, Yanjiao LI3, Qibin WU4, Yegeng FAN1, * , Jianming WU1, *
Affiliations
  • 1.Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences / Guangxi Key Laboratory of Sugarcane Biotechnology and Genetic Improvement, Ministry of Agriculture and Rural Affairs / Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, Guangxi 530007, China
  • 2.Guangxi Seed Industry Group Co., LTD., Nanning, Guangxi 530007, China
  • 3.Institute of Microbiology, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi 530007, China
  • 4.Institute of Tropical Biotechnology, Chinese Academy of Tropical Agricultural Sciences / State Key Laboratory of Tropical Crop Breeding, Haikou, Hainan 571101, China
出版时间: 2026-01-25 doi: 10.3969/j.issn.1000-2561.2026.01.002
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甘蔗节间长度是决定株高的重要因素，适当促进甘蔗节间伸长可以提高单产。前期研究发现，赤霉素受体（gibberellin insensitive dwarf, GID）在甘蔗节间伸长盛期高表达，且该过表达可增强赤霉素信号并促进节间伸长。本研究以桂糖42号、新台糖22号和桂辐98-296等甘蔗品种为材料，克隆ScGID2基因的CDS序列并进行生物信息学分析，通过实时荧光定量PCR（qRT-PCR）分析该基因在不同组织、不同基因型品种及赤霉素（GA3）处理下的表达模式。结果显示：ScGID2基因的CDS全长为720 bp，编码239个氨基酸，含保守的F-box结构域，与高粱、玉米等禾本科植物的GID2同源性较高（88.75%以上），主要定位于细胞核。表达模式分析显示，ScGID2在未伸长期茎尖中的表达量最高，其次是伸长盛期的+2节间。不同甘蔗品种间ScGID2基因的表达模式存在差异，新台糖22号、桂辐98-296和桂糖43号ScGID2基因的表达呈先升后降、再升再降趋势，桂糖43号ScGID2基因的表达量远高于新台糖22号和桂辐98-296，桂糖42号ScGID2基因的表达量逐步增加，30 d时达到峰值。长节长品种ScGID2基因的表达峰值显著高于短节长品种，且持续时间较长；GA3处理后，短节长品种桂糖14-818 ScGID2基因的表达峰值早于长节长品种桂辐98-296。鉴于ScGID2的表达受赤霉素诱导且与节间伸长速率呈正相关，可作为甘蔗株高改良的潜在分子靶点。本研究结果为阐明赤霉素介导甘蔗节间伸长的分子机制提供理论依据。

赤霉素  /  ScGID2  /  甘蔗节间伸长  /  表达调控

Internode length is a key factor determining sugarcane plant height, and appropriate promotion of sugarcane internode elongation can increase unit yield. The gibberellin insensitive dwarf (GID) gene is a core receptor in the gibberellin (GA) signaling pathway. Previous studies have shown that sugarcane GID1 is highly expressed during the vigorous internode elongation stage, and its overexpression can enhance GA signaling to promote internode elongation. In this study, using the sugarcane variety Guitang 42, Xintaitang 22, Guifu 98-296 as the material, the coding sequence (CDS) of ScGID2 (gibberellin receptor protein) was cloned and subjected to bioinformatics analysis. Besides, quantitative real-time PCR (qRT-PCR) was used to analyze the expression patterns of the gene in different tissues, different genotypic varieties, and under gibberellin (GA3) treatment. Result showed that the cloned ScGID2 gene had a full-length CDS of 720 bp, encoding 239 amino acids, containing a conserved F-box domain. It shared high homology (>88.75%) with GID2 from gramineous plants such as sorghum and maize, and was mainly localized in the nucleus. Expression pattern analysis revealed that ScGID2 had the highest expression level in the shoot apex at the non-elongation stage, followed by the +2 internode at the vigorous elongation stage. There were differences in the expression patterns of ScGID2 among different sugarcane varieties. The expression of ScGID2 in Xintaitang 22, Guifu 98-296, and Guitang 43 showed a trend of first increasing, then decreasing, then increasing again, and then decreasing again. The expression level of ScGID2 in Guitang 43 was much higher than that in Xintaitang 22 and Guifu 98-296. The expression level of ScGID2 in Guitang 42 increased gradually, reaching the peak at 30 days. The expression peak of ScGID2 in long-internode varieties was significantly higher than that in short-internode varieties and lasted longer. After GA3 treatment, the expression peak of ScGID2 in the short-internode variety Guitang 14-818 appeared earlier than that in the long-internode variety Guifu 98-296. Taken together, the present study provides a theoretical basis for elucidating the molecular mechanism of gibberellin-mediated sugarcane internode elongation, and ScGID2 could serve as a potential molecular target for sugarcane plant height improvement, since the expression of ScGID2 is induced by gibberellin and positively correlated with the internode elongation rate.

gibberellin  /  ScGID2  /  Sugarcane internode elongation  /  expression regulation
陈荣发, 梁序昭, 赖振光, 邓宇驰, 吴宗猛, 文俊丽, 周忠凤, 李燕娇, 吴期滨, 范业赓, 吴建明. 甘蔗ScGID2基因的克隆鉴定及其在赤霉素信号转导中的表达调控模式分析. 热带作物学报, 2026 , 47 (1) : 5 -16 . DOI: 10.3969/j.issn.1000-2561.2026.01.002
Rongfa CHEN, Xuzhao LIANG, Zhenguang LAI, Yuchi DENG, Zongmeng WU, Junli WEN, Zhongfeng ZHOU, Yanjiao LI, Qibin WU, Yegeng FAN, Jianming WU. Cloning and Characterization of Gibberellin Signal Transduction Gene ScGID2 from Sugarcane and Its Expression Analysis in Response to GA Signaling[J]. Chinese Journal of Tropical Crops, 2026 , 47 (1) : 5 -16 . DOI: 10.3969/j.issn.1000-2561.2026.01.002
基金
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  • 广西自然科学基金项目(2023GXNSFAA026004)
  • 广西科技计划项目（农业农村领域）(桂科农AB24153007)
  • 国家自然科学基金项目(32401966)
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doi: 10.3969/j.issn.1000-2561.2026.01.002
  • 接收时间：2025-08-23
  • 首发时间：2026-06-26
  • 出版时间：2026-01-25
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  • 收稿日期：2025-08-23
  • 录用日期：2025-10-19
基金
广西自然科学基金项目(2023GXNSFAA026004)
广西科技计划项目（农业农村领域）(桂科农AB24153007)
国家自然科学基金项目(32401966)
作者信息
    1.广西壮族自治区农业科学院甘蔗研究所/农业农村部广西甘蔗生物技术与遗传改良重点实验室/广西甘蔗遗传改良重点实验室，广西南宁　530007
    2.广西种业集团有限公司，广西南宁　530007
    3.广西壮族自治区农业科学院微生物研究所，广西南宁　530007
    4.中国热带农业科学院热带生物技术研究所/热带作物生物育种全国重点实验室，海南海口　571101

通讯作者:

* 范业赓（FAN Yegeng），E-mail:
吴建明（WU Jianming），E-mail: 。
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https://castjournals.cast.org.cn/joweb/rdzwxb/CN/10.3969/j.issn.1000-2561.2026.01.002
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2种不同金属材料的力学参数
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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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