多激素协同调控在秋茄抵御移植胁迫中的作用

doi:10.11978/2025067

热带海洋学报 ›› 2026, Vol. 45 ›› Issue (4): 217-229.doi: 10.11978/2025067CSTR: 32234.14.2025067

• 海洋生物学 • 上一篇

多激素协同调控在秋茄抵御移植胁迫中的作用

龚受基¹(), 谢小魁²^,³, 王日明²^,³(), 李秀坚³, 凌龙艳¹, 郑坚¹

¹ 北部湾大学, 食品工程学院, 广西钦州 535011
² 北部湾大学, 广西海洋环境灾害过程与生态保护技术重点实验室, 广西钦州 535011
³ 北部湾大学, 资源与环境学院, 广西钦州 535011

收稿日期:2025-05-20 修回日期:2025-06-24 出版日期:2026-07-10 发布日期:2026-07-31
通讯作者: 王日明。email: wangriming@bbgu.edu.cn
作者简介:
龚受基(1970—), 男, 广西壮族自治区桂平市人, 博士研究生, 从事植物生理活性物质评价。email: gongshouji@bbgu.edu.cn
基金资助:
国家自然科学基金(42366009); 钦州市本级财政科技开发项目(20223623); 钦州市本级财政科技开发项目(20233204)

The role of multi-hormone synergistic regulation in the resistance of Kandelia obovata to transplant stress

GONG Shouji¹(), XIE Xiaokui²^,³, WANG Riming²^,³(), LI Xiujian³, LING Longyan¹, ZHENG Jian¹

¹ College of Food Engineering, Beibu Gulf University, Qinzhou 535011, China
² Guangxi Key Laboratory of Marine Environmental Disaster Processes and Ecological Protection Technology, Beibu Gulf University, Qinzhou 535011, China
³ College of Resources and Environment, Beibu Gulf University, Qinzhou 535011, China

Received:2025-05-20 Revised:2025-06-24 Online:2026-07-10 Published:2026-07-31
Contact: WANG Riming. email: wangriming@bbgu.edu.cn
Supported by:
National Natural Science Foundation of China(42366009); Municipal-level Financial Science and Technology Development Projects of Qinzhou City(20223623); Municipal-level Financial Science and Technology Development Projects of Qinzhou City(20233204)

摘要/Abstract

摘要：

植物在生长发育过程中常受多种胁迫因素的影响, 并通过内源性激素的动态调控机制进行响应。本研究采用液相色谱-串联质谱(Liquid Chromatography-Tandem Mass Spectrometry, LC-MS/MS)代谢组学技术对钦州港红树林人工移植地孔雀湾(KQW-E)与自然栖息地(JGJ-C)的秋茄(Kandelia obovata)根部激素含量水平进行了检测, 并分析了激素代谢特征及激素间相互作用关系。通过京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes, KEGG)注释确定主要代谢通路。结果显示: (1)在秋茄根部共检测到62种植物激素及其相关代谢物, 其中28种激素在两组间的差异具有统计学意义(KQW-E组相较JGJ-C组,上调16种, 下调12种)。(2)在KQW-E组中, 与胁迫响应相关的激素脱落酸(abscisic acid, ABA)及脱落酸葡萄糖酯(abscisic acid-glucose ester, ABA-GE)、结合态生长素(1-O-indol-3-ylacetylglucose, IAA-Glc)等显著下调, 而生长促进类激素玉米素(顺式-玉米素-D-核糖苷, cis-zeatin riboside, cZR)、茉莉酸前体(二氢茉莉酸, dihydrojasmonic acid, H2JA)等显著上调。(3)KEGG数据分析进一步揭示, 差异激素预测主要富集于萜类代谢、植物激素信号转导及次生代谢等通路。综合分析, 秋茄可能通过脱落酸、生长素、茉莉酸与细胞分裂素等多激素协同调控, 动态平衡活性激素水平, 下调胁迫响应, 上调生长相关代谢, 从而优化资源分配以增强移植适应性。该研究为红树林人工移植的激素调控及生态修复提供了科学依据。

关键词: 秋茄, LC-MS/MS, 植物激素, 代谢组学, 胁迫, 多激素协同调控

Abstract:

During growth and development, plants are frequently exposed to various stress factors and respond through dynamic regulatory mechanisms involving endogenous hormones. This study employed the technology of liquid chromatography-tandem mass spectrometry (LC-MS/MS) metabolomics to detect hormone content levels in the roots of Kandelia obovata from the artificial transplantation mangrove at Kongque Bay (KQW-E) in Qinzhou Port and from the natural mangrove habitat (JGJ-C). Furthermore, the study analyzed the metabolic characteristics of these hormones and their interactions, providing insights into plant responses to environmental stresses. Primary metabolic pathways were determined through Kyoto Encyclopedia of Genes and Genomes (KEGG) annotation. The results showed that: (1) a total of 62 phytohormones were detected in the roots of Kandelia obovata from both sites, with 28 of them exhibiting significant differences (16 up-regulated and 12 down-regulated); (2) in the KQW-E group, stress-related hormones such as abscisic acid (ABA) and abscisic acid-glucose ester (ABA-GE), as well as conjugated auxin (1-O-indol-3-ylacetylglucose, IAA-Glc), were significantly down-regulated, while growth-promoting hormones like zeatin (cis-zeatin riboside, cZR) and jasmonic acid precursor (dihydrojasmonic acid, H2JA) were significantly up-regulated; (3) KEGG data analysis further revealed that the differential hormones were primarily enriched in pathways such as terpenoid metabolism, plant hormone signal transduction, and secondary metabolism. Based on these findings, it can be inferred that K. obovata may coordinately regulate multiple hormones, including abscisic acid, auxin, jasmonic acid, and cytokinin, to dynamically balance active hormone levels, down-regulate stress responses, and up-regulate growth-related metabolism, thereby optimizing resource allocation and enhancing transplant adaptability. This study provides a scientific basis for hormonal regulation and ecological restoration in the artificial transplantation of mangroves.

Key words: Kandelia obovata, LC-MS/MS, plant hormones, metabolomics, stress, multi-hormone synergistic regulation

中图分类号:

P735

龚受基, 谢小魁, 王日明, 李秀坚, 凌龙艳, 郑坚. 多激素协同调控在秋茄抵御移植胁迫中的作用[J]. 热带海洋学报, 2026, 45(4): 217-229.

GONG Shouji, XIE Xiaokui, WANG Riming, LI Xiujian, LING Longyan, ZHENG Jian. The role of multi-hormone synergistic regulation in the resistance of Kandelia obovata to transplant stress[J]. Journal of Tropical Oceanography, 2026, 45(4): 217-229.

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指标	化合物	激素类别	P-value	FC	类型
ABA	脱落酸(abscisic acid)	ABA	0.030	0.32	下调
ABA-GE	ABA-glucosyl ester 脱落酸葡萄糖酯	ABA	0.014	0.11	下调
IAA-Glc	1-O-indol-3-ylacetylglucose 1-O-吲哚-3-基乙酰基葡萄糖	auxin	0.007	0.45	下调
ICAld	indole-3-carboxaldehyde 吲哚-3-甲醛	auxin	0.007	0.41	下调
IAA-Trp	indole-3-acetyl-L-tryptophan 吲哚乙酸-色氨酸	auxin	0.105	Inf	上调
OxIAA	2-oxindole-3-acetic acid 氧化吲哚乙酸	auxin	0.184	Inf	上调
DHZR	dihydrozeatin ribonucleoside 双氢玉米素核苷	CK	0.030	0	下调
cZROG	cis-zeatin-O-glucoside riboside 顺式玉米核苷-O-糖苷	CK	1.2e-4	0	下调
iP9G	N6-isopentenyl-adenine-9-glucoside 异戊烯腺嘌呤-9-葡糖苷	CK	0.219	59.32	上调
cZR	cis-zeatin riboside 顺式-玉米素-D-核糖甙	CK	0.210	Inf	上调
tZ9G	trans-zeatin-9-glucoside 反式玉米素-9-糖苷	CK	0.244	Inf	上调
H2JA	dihydrojasmonic acid 二氢茉莉酸	JA	0.009	4.35	上调
OPC-6	3-oxo-2-(2-(Z)-pentenyl)cyclopentane-1-hexanoic acid 氧化戊烯基环戊烷己酸	JA	0.293	43.18	上调
JA-ILE	jasmonoyl-L-isoleucine 茉莉酸-异亮氨酸	JA	0.004	0.36	下调
JA-Val	N-[(-)-jasmonoyl]-(L)-valine 茉莉酸-缬氨酸	JA	0.008	0.27	下调

代谢名称	Ko 编号	KEGG注释差异显著代谢物个数	通路中检测到代谢物个数	KEGG 通路名称
氨基酸代谢	ko00260	0	1	glycine, serine and threonine metabolism 甘氨酸、丝氨酸和苏氨酸代谢
	ko00360	0	1	phenylalanine metabolism 苯丙氨酸代谢
	ko00380	2	5	tryptophan metabolism 色氨酸代谢
玉米素代谢	ko00908	0	5	zeatin biosynthesis 玉米素生物合成
萜类及类二烯代谢	ko00904	1	2	diterpenoid biosynthesis 双萜生物合成
萜类及类二烯代谢	ko00906	2	2	carotenoid biosynthesis 类胡萝卜素生物合成
次级代谢物综合路径	ko01110	2	7	biosynthesis of secondary metabolites 次级代谢产物的生物合成
植物激素转导	ko04075	2	3	plant hormone signal transduction 植物激素信号转导

多激素协同调控在秋茄抵御移植胁迫中的作用

The role of multi-hormone synergistic regulation in the resistance of Kandelia obovata to transplant stress

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