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1-Octen-3-ol, a self-stimulating oxylipin messenger, can prime and induce defense of marine alga.


ABSTRACT:

Background

Short chain oxylipins in plants as the main volatile organic carbon have been speculated to playing an important role for plant innate immunity, however, not yet intensively studied and far away established as the fully recognized algae defense signals.

Results

The production of 1-octen-3-ol is self-amplified via the fatty acid-oxylipin metabolic cycle through positive feedback loop. Production of 1-octen-3-ol may act as a messenger that induces P. haitanensis to be in a "primed" state and ready for defense by upregulating the synthesis of methyl jasmonic acid, indole-3-acetic acid, and gibberellin A3. Production of these oxylipins also adjust the redox state in cells, resulting in host defense activation.

Conclusions

We provide the first demonstration that 1-octen-3-ol from P. haitanensis, can act as a self-stimulating community messenger. The multiple effects of 1-octen-3-ol may explain why P. haitanensis, a very ancient lineage within plant kingdom, thrives in the niche of intertidal zones.

SUBMITTER: Chen H 

PROVIDER: S-EPMC6341616 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Publications

1-Octen-3-ol, a self-stimulating oxylipin messenger, can prime and induce defense of marine alga.

Chen Haimin H   Yang Rui R   Chen Juanjuan J   Luo Qijun Q   Cui Xiaoshan X   Yan Xiaojun X   Gerwick William H WH  

BMC plant biology 20190122 1


<h4>Background</h4>Short chain oxylipins in plants as the main volatile organic carbon have been speculated to playing an important role for plant innate immunity, however, not yet intensively studied and far away established as the fully recognized algae defense signals.<h4>Results</h4>The production of 1-octen-3-ol is self-amplified via the fatty acid-oxylipin metabolic cycle through positive feedback loop. Production of 1-octen-3-ol may act as a messenger that induces P. haitanensis to be in  ...[more]

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