ABSTRACT The plant extracellular vesicles (EVs) are lipid-enveloped nano-particles containing proteins, nucleic acids and metabolites and function in plant development and response. The Arabidopsis four transmembrane protein TETRASPANIN 8 (TET8) knock-out mutant tet8 secreted less EVs than the wild-type (WT). In this report, we show that the tet8 mutant was attenuated in the plant hormone jasmonate (JA) accumulation in response to mechanical wounding treatment. We also noticed that the EVs contained a high level of phospholipids phosphatidic acids (PAs) which may serve as precursors of JA biosynthesis during wound-triggered-self-healing processes. Thus, we propose an open question about a potential role of EVs or TET8 or both in damage-associated JA response.
Arabidopsis leaf extracellular vesicles in wound-induced jasmonate accumulation
Ning-Jing Liu,Jing-jing Bao,Ling-Jian Wang,Xiao-Ya Chen
Published 2020 in Plant Signalling & Behavior
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- Publication year
2020
- Venue
Plant Signalling & Behavior
- Publication date
2020-10-12
- Fields of study
Biology, Medicine, Environmental Science
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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