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Article(id=1277254210987099098, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1000-2561.2026.02.016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1760889600000, receivedDateStr=2025-10-20, revisedDate=null, revisedDateStr=null, acceptedDate=1763308800000, acceptedDateStr=2025-11-17, onlineDate=1782450734135, onlineDateStr=2026-06-26, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782450734135, onlineIssueDateStr=2026-06-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782450734135, creator=13701087609, updateTime=1782450734135, updator=13701087609, issue=Issue{id=1277254112370623080, tenantId=1146029695717560320, journalId=1235980609244409860, year='2026', volume='47', issue='2', pageStart='281', pageEnd='551', issueExtLink='null', onlineDate='null', pubDate='1771948800000', pubDateStr='2026-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1782450710622, creator='13701087609', updateTime=1782451594955, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1277257821632729830, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1277257821632729831, tenantId=1146029695717560320, journalId=1235980609244409860, issueId=1277254112370623080, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=459, endPage=466, ext={EN=ArticleExt(id=1277254211393946590, articleId=1277254210987099098, tenantId=1146029695717560320, journalId=1235980609244409860, language=EN, title=Effects of Exogenous Homogentisic Acid on Anthocyanin Synthesis and Antioxidant System in Rice Seedlings under Salt Stress, columnId=1236256434120348225, journalTitle=Chinese Journal of Tropical Crops, columnName=Plant Cultivation, Physiology & Biochemistry, runingTitle=null, highlight=null, articleAbstract=

The regulatory effects of exogenous homogentisic acid (HGA) on plant growth, anthocyanin synthesis, and the antioxidant system at phenotypic, physiological and gene expression levels using one-leaf seedlings of Wushansimiao (R534) were studied to explore the role of HGA in rice salt stress response. The results showed that under 140 mmol/L NaCl stress and treatment with 0.25 mmol/L HGA significantly improved the salt tolerance of rice seedlings. On the 3rd day after treatment, plant height, root length, fresh weight and dry weight increased by 43.95%, 60.00%, 41.86% and 76.38%, respectively, compared to the control without HGA. After 7 days of treatment and 7 days of rewatering, the survival rate of seedlings increased by 56.69%. RT-qPCR analysis revealed that HGA significantly upregulated the key genes involved in anthocyanin biosynthesis in leaves, including OsPAL3, OsCHS8, OsCHI, OsF3H, OsDFR6, OsANS1 and OsUF3GT. Anthocyanin content increased by 15.18%, 24.58% and 39.56% on the 3rd, 5th and 7th day, respectively. On the 3rd day, the accumulation of reactive oxygen species (H2O2 and ) and malondialdehyde (MDA) content decreased, while the activities of antioxidant enzymes SOD, POD and CAT significantly increased. This study preliminarily clarified that HGA could activate the anthocyanin biosynthesis pathway under salt stress to enhance antioxidant capacity, laying a foundation for further understanding the physiological role of HGA.

, authors=null, authorsList=Kexin XU, Xulei YANG, Manti LI, Lekang WU, Yubo HUANG, Wenli HE, Taoli LIU, Yanning TAN, authorCompany=null, correspAuthors=Taoli LIU, Yanning TAN, 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=1277254213906334692, articleId=1277254210987099098, tenantId=1146029695717560320, journalId=1235980609244409860, language=CN, title=外源尿黑酸对盐胁迫下水稻幼苗花青素合成及抗氧化系统的影响, columnId=1236256434313286224, journalTitle=热带作物学报, columnName=作物栽培与生理生化, runingTitle=null, highlight=null, articleAbstract=

为探究尿黑酸（HGA）在水稻盐胁迫响应中的作用，以五山丝苗（R534）一叶一心幼苗为对象，从表型、生理及基因表达层面分析了外源HGA对幼苗生长、花青素合成及抗氧化系统的调控作用。结果表明：在140 mmol/L NaCl胁迫下，0.25 mmol/L HGA处理显著提高了水稻幼苗的耐盐性，处理后第3天的株高、根长、鲜质量和干质量分别较未添加HGA对照组提高43.95%、60.00%、41.86%和76.38%，处理7 d后复水第7天的幼苗存活率提高56.69%；实时荧光定量PCR分析显示，HGA显著上调了叶片花青素合成关键基因OsPAL3、OsCHS8、OsCHI、OsF3H、OsDFR6、OsANS1和OsUF3GT的表达，处理后第3、5、7天花青素含量分别提高15.18%、24.58%和39.56%；第3天叶片中活性氧（H2O2和）及丙二醛（MDA）含量下降，而抗氧化酶SOD、POD、CAT活性显著提高。本研究初步明确了盐胁迫下HGA可激活花青素生物合成来增强抗氧化能力，为深入认识HGA的生理作用奠定基础。

, authors=

许可欣（2001—），女，硕士研究生，研究方向：农艺与种业。

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* 谭炎宁（TAN Yanning），E-mail:
刘桃李（LIU Taoli），E-mail: 。
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2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000, bio={"content":"

许可欣（2001—），女，硕士研究生，研究方向：农艺与种业。

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许可欣（2001—），女，硕士研究生，研究方向：农艺与种业。

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2.National Saline-alkali Tolerant Rice Technology Innovation Center, Sanya, Hainan 572000, China
3.Hunan Hybrid Rice Research Center/Key Laboratory of Saline-alkali Rice Biology and Genetics Breeding, Ministry of Agriculture and Rural Affairs, Changsha, Hunan 410125, China
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2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000
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外源尿黑酸对盐胁迫下水稻幼苗花青素合成及抗氧化系统的影响
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许可欣 1, 2 , 杨绪磊 1, 2 , 黎曼缇 1, 2 , 吴乐康 1, 2 , 黄钰博 1, 2 , 何文丽 2, 3 , 刘桃李 4, *, * , 谭炎宁 1, 2, 3, 4, *, *
热带作物学报 | 作物栽培与生理生化 2026,47(2): 459-466
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热带作物学报 |作物栽培与生理生化 2026 , 47 (2) : 459 -466
外源尿黑酸对盐胁迫下水稻幼苗花青素合成及抗氧化系统的影响
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2.National Saline-alkali Tolerant Rice Technology Innovation Center, Sanya, Hainan 572000, China
3.Hunan Hybrid Rice Research Center/Key Laboratory of Saline-alkali Rice Biology and Genetics Breeding, Ministry of Agriculture and Rural Affairs, Changsha, Hunan 410125, China
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2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000
3．湖南杂交水稻研究中心/农业农村部耐盐碱水稻生物学与遗传育种重点实验室，湖南长沙　410125
4．湖南人文科技学院，湖南娄底417000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1277254214145410023, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, xref=1., ext=[AuthorCompanyExt(id=1277254214162187241, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214145410023, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.College of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570100, China), AuthorCompanyExt(id=1277254214170575850, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214145410023, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1．海南大学热带农林学院，海南海口　570100)]), AuthorCompany(id=1277254214267044843, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, xref=2., ext=[AuthorCompanyExt(id=1277254214279627756, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214267044843, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.National Saline-alkali Tolerant Rice Technology Innovation Center, Sanya, Hainan 572000, China), AuthorCompanyExt(id=1277254214288016365, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214267044843, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000)]), AuthorCompany(id=1277254214405456879, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, xref=3., ext=[AuthorCompanyExt(id=1277254214413845488, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214405456879, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3.Hunan Hybrid Rice Research Center/Key Laboratory of Saline-alkali Rice Biology and Genetics Breeding, Ministry of Agriculture and Rural Affairs, Changsha, Hunan 410125, China), AuthorCompanyExt(id=1277254214422234097, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214405456879, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3．湖南杂交水稻研究中心/农业农村部耐盐碱水稻生物学与遗传育种重点实验室，湖南长沙　410125)]), AuthorCompany(id=1277254214690669555, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, xref=4., ext=[AuthorCompanyExt(id=1277254214703252468, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214690669555, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.Hunan University of Humanities and Technology, Loudi, Hunan 417000, China), AuthorCompanyExt(id=1277254214715835381, tenantId=1146029695717560320, journalId=1235980609244409860, articleId=1277254210987099098, companyId=1277254214690669555, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4．湖南人文科技学院，湖南娄底417000)])])]
许可欣1, 2, 杨绪磊1, 2, 黎曼缇1, 2, 吴乐康1, 2, 黄钰博1, 2, 何文丽2, 3, 刘桃李4, *, * , 谭炎宁1, 2, 3, 4, *, *
作者信息
  • 1．海南大学热带农林学院，海南海口　570100
  • 2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000
  • 3．湖南杂交水稻研究中心/农业农村部耐盐碱水稻生物学与遗传育种重点实验室，湖南长沙　410125
  • 4．湖南人文科技学院，湖南娄底417000
通讯作者:
* 谭炎宁（TAN Yanning），E-mail:
刘桃李（LIU Taoli），E-mail: 。
Effects of Exogenous Homogentisic Acid on Anthocyanin Synthesis and Antioxidant System in Rice Seedlings under Salt Stress
Kexin XU1, 2, Xulei YANG1, 2, Manti LI1, 2, Lekang WU1, 2, Yubo HUANG1, 2, Wenli HE2, 3, Taoli LIU4 , Yanning TAN1, 2, 3, 4
Affiliations
  • 1.College of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570100, China
  • 2.National Saline-alkali Tolerant Rice Technology Innovation Center, Sanya, Hainan 572000, China
  • 3.Hunan Hybrid Rice Research Center/Key Laboratory of Saline-alkali Rice Biology and Genetics Breeding, Ministry of Agriculture and Rural Affairs, Changsha, Hunan 410125, China
  • 4.Hunan University of Humanities and Technology, Loudi, Hunan 417000, China
出版时间: 2026-02-25 doi: 10.3969/j.issn.1000-2561.2026.02.016
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为探究尿黑酸（HGA）在水稻盐胁迫响应中的作用，以五山丝苗（R534）一叶一心幼苗为对象，从表型、生理及基因表达层面分析了外源HGA对幼苗生长、花青素合成及抗氧化系统的调控作用。结果表明：在140 mmol/L NaCl胁迫下，0.25 mmol/L HGA处理显著提高了水稻幼苗的耐盐性，处理后第3天的株高、根长、鲜质量和干质量分别较未添加HGA对照组提高43.95%、60.00%、41.86%和76.38%，处理7 d后复水第7天的幼苗存活率提高56.69%；实时荧光定量PCR分析显示，HGA显著上调了叶片花青素合成关键基因OsPAL3、OsCHS8、OsCHI、OsF3H、OsDFR6、OsANS1和OsUF3GT的表达，处理后第3、5、7天花青素含量分别提高15.18%、24.58%和39.56%；第3天叶片中活性氧（H2O2和）及丙二醛（MDA）含量下降，而抗氧化酶SOD、POD、CAT活性显著提高。本研究初步明确了盐胁迫下HGA可激活花青素生物合成来增强抗氧化能力，为深入认识HGA的生理作用奠定基础。

水稻  /  盐胁迫  /  尿黑酸  /  花青素  /  抗氧化

The regulatory effects of exogenous homogentisic acid (HGA) on plant growth, anthocyanin synthesis, and the antioxidant system at phenotypic, physiological and gene expression levels using one-leaf seedlings of Wushansimiao (R534) were studied to explore the role of HGA in rice salt stress response. The results showed that under 140 mmol/L NaCl stress and treatment with 0.25 mmol/L HGA significantly improved the salt tolerance of rice seedlings. On the 3rd day after treatment, plant height, root length, fresh weight and dry weight increased by 43.95%, 60.00%, 41.86% and 76.38%, respectively, compared to the control without HGA. After 7 days of treatment and 7 days of rewatering, the survival rate of seedlings increased by 56.69%. RT-qPCR analysis revealed that HGA significantly upregulated the key genes involved in anthocyanin biosynthesis in leaves, including OsPAL3, OsCHS8, OsCHI, OsF3H, OsDFR6, OsANS1 and OsUF3GT. Anthocyanin content increased by 15.18%, 24.58% and 39.56% on the 3rd, 5th and 7th day, respectively. On the 3rd day, the accumulation of reactive oxygen species (H2O2 and ) and malondialdehyde (MDA) content decreased, while the activities of antioxidant enzymes SOD, POD and CAT significantly increased. This study preliminarily clarified that HGA could activate the anthocyanin biosynthesis pathway under salt stress to enhance antioxidant capacity, laying a foundation for further understanding the physiological role of HGA.

Oryza sativa L.  /  salt stress  /  homogentisic acid  /  anthocyanin  /  antioxidant
许可欣, 杨绪磊, 黎曼缇, 吴乐康, 黄钰博, 何文丽, 刘桃李, 谭炎宁. 外源尿黑酸对盐胁迫下水稻幼苗花青素合成及抗氧化系统的影响. 热带作物学报, 2026 , 47 (2) : 459 -466 . DOI: 10.3969/j.issn.1000-2561.2026.02.016
Kexin XU, Xulei YANG, Manti LI, Lekang WU, Yubo HUANG, Wenli HE, Taoli LIU, Yanning TAN. Effects of Exogenous Homogentisic Acid on Anthocyanin Synthesis and Antioxidant System in Rice Seedlings under Salt Stress[J]. Chinese Journal of Tropical Crops, 2026 , 47 (2) : 459 -466 . DOI: 10.3969/j.issn.1000-2561.2026.02.016
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  • 国家自然科学基金项目(32272139)
  • 湖南省十大技术攻关项目(2024NK1010)
  • 中央引导地方科技发展资金项目(2025ZYT024)
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doi: 10.3969/j.issn.1000-2561.2026.02.016
  • 接收时间：2025-10-20
  • 首发时间：2026-06-26
  • 出版时间：2026-02-25
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  • 收稿日期：2025-10-20
  • 录用日期：2025-11-17
基金
国家自然科学基金项目(32272139)
湖南省十大技术攻关项目(2024NK1010)
中央引导地方科技发展资金项目(2025ZYT024)
作者信息
    1．海南大学热带农林学院，海南海口　570100
    2．三亚市国家耐盐碱水稻技术创新中心，海南三亚　572000
    3．湖南杂交水稻研究中心/农业农村部耐盐碱水稻生物学与遗传育种重点实验室，湖南长沙　410125
    4．湖南人文科技学院，湖南娄底417000

通讯作者:

* 谭炎宁（TAN Yanning），E-mail:
刘桃李（LIU Taoli），E-mail: 。
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https://castjournals.cast.org.cn/joweb/rdzwxb/CN/10.3969/j.issn.1000-2561.2026.02.016
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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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