Liu, Jiong; Li, Lu; Xiong, Zhilong; Robert, Christelle Am; Li, Baozhu; He, Shan; Chen, Wenjie; Bi, Jiasheng; Zhai, Guanqing; Guo, Siyi; Zhang, Hui; Li, Jieping; Zhou, Shutang; Zhang, Xi; Song, Chun-Peng (2024). Trade-offs between the accumulation of cuticular wax and jasmonic acid-mediated herbivory resistance in maize. Journal of Integrative Plant Biology, 66(1), pp. 143-159. Wiley 10.1111/jipb.13586
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JIPB_-_2023_-_Liu_-_Trade_offs_between_the_accumulation_of_cuticular_wax_and_jasmonic_acid_mediated_herbivory_resistance_in.pdf - Accepted Version Restricted to registered users only until 17 November 2024. Available under License Publisher holds Copyright. Download (947kB) |
Plants have evolved complex physical and chemical defense systems that allow them to withstand herbivory infestation. Composed of a complex mixture of very-long-chain fatty acids (VLCFAs) and their derivatives, cuticular wax constitutes the first physical line of defense against herbivores. Here, we report the function of Glossy 8 (ZmGL8), which encodes a 3-ketoacyl reductase belonging to the fatty acid elongase complex, in orchestrating wax production and jasmonic acid (JA)-mediated defenses against herbivores in maize (Zea mays). The mutation of GL8 enhanced chemical defenses by activating the JA-dependent pathway. We observed a trade-off between wax accumulation and JA levels across maize glossy mutants and 24 globally collected maize inbred lines. In addition, we demonstrated that mutants defective in cuticular wax biosynthesis in Arabidopsis (Arabidopsis thaliana) and maize exhibit enhanced chemical defenses. Comprehensive transcriptomic and lipidomic analyses indicated that the gl8 mutant confers chemical resistance to herbivores by remodeling VLCFA-related lipid metabolism and subsequent JA biosynthesis and signaling. These results suggest that VLCFA-related lipid metabolism has a critical role in regulating the trade-offs between cuticular wax and JA-mediated chemical defenses. This article is protected by copyright. All rights reserved.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Biotic Interactions 08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) |
UniBE Contributor: |
Robert, Christelle Aurélie Maud |
Subjects: |
500 Science > 580 Plants (Botany) |
ISSN: |
1672-9072 |
Publisher: |
Wiley |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
20 Nov 2023 14:34 |
Last Modified: |
25 Mar 2024 09:26 |
Publisher DOI: |
10.1111/jipb.13586 |
PubMed ID: |
37975264 |
Uncontrolled Keywords: |
cuticular wax fall armyworm herbivore resistance jasmonic acid maize plant-herbivore interactions |
BORIS DOI: |
10.48350/189122 |
URI: |
https://boris.unibe.ch/id/eprint/189122 |
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