Exogenous stimulation of Tanacetum vulgare roots with pipecolic acid leads to tissue-specific responses in terpenoid composition

IF 3.6 3区 生物学 Q1 PLANT SCIENCES Plant Biology Pub Date : 2024-08-16 DOI:10.1111/plb.13703
H. Rahimova, R. Heinen, B. Weber, W. W. Weisser, J.-P. Schnitzler
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用哌啶醇酸外源刺激丹顶鹤根部会导致萜类成分的组织特异性反应。
丹参(Tanacetum vulgare L.)是一种多年生植物,其萜类化合物成分变化很大,其中以单萜类和倍半萜类最为丰富。萜类化合物的高度多样性在调解生态相互作用方面发挥着重要作用。然而,人们对萜类化合物在不同组织中的分布以及生物胁迫对这些组织中萜类化合物的诱导作用知之甚少。我们研究了用哌啶醇酸(Pip)处理根部后不同器官中萜类化合物的分布和浓度的变化,哌啶醇酸是一种非蛋白源氨基酸,可引发防御反应,从而诱导植物产生系统抗性(SAR)。丹参叶片和中叶主要含有单萜,而粗根和细根主要含有倍半萜。根茎既含有中茎和根的萜类化合物,也含有独特的化合物。用 Pip 处理后,除根茎外,所有组织中的单萜和倍半萜类化合物浓度都有所增加。不过,与嫩枝相比,根部组织在 Pip 处理后形成的倍半萜类化合物明显更多。这里展示的萜类化合物代谢图谱表明,丹参不同组织中的萜类化合物模式和萜类化合物含量存在着极强的差异。这一点以及 Pip 的不同诱导性表明,萜类化合物的化学多样性可能在丹参的生态相互作用以及抵御以地下和地上器官为食的生物压力源方面发挥着重要作用。
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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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