Trichoderma gamsii affected herbivore feeding behaviour on Arabidopsis thaliana by modifying the leaf metabolome and phytohormones
文献类型： 外文期刊
作者： Zhou, Dongmei 1 ; Huang, Xing-Feng 2 ; Guo, Jianhua 1 ; dos-Santos, Marcia L. 2 ; Vivanco, Jorge M. 2 ;
作者机构： 1.Nanjing Agr Univ, Dept Plant Pathol, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China
2.Colorado State Univ, Dept Hort & Landscape Architecture, Ctr Rhizosphere Biol, Ft Collins, CO 80523 USA
3.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Jiangsu, Peoples R China
4.Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA
5.Univ Sao Paulo, Plant Mol Biol Lab, Dept Genet Luiz de Queiroz, Coll Agr ESALQ, BR-13418900 Piracicaba, SP, Brazil
期刊名称：MICROBIAL BIOTECHNOLOGY （ 影响因子：5.813； 五年影响因子：6.559 ）
ISSN： 1751-7915
年卷期： 2018 年 11 卷 6 期
页码：
收录情况： SCI
摘要： Plants can re-programme their transcriptome, proteome and metabolome to deal with environmental and biotic stress. It has been shown that the rhizosphere microbiome has influence on the plant metabolome and on herbivore behaviour. In the present study, Trichoderma gamsii was isolated from Arabidopsis thaliana rhizosphere soil. The inoculation of roots of Arabidopsis thaliana with T.gamsii significantly inhibited the feeding behaviour of Trichoplusia ni and affected the metabolome as well as the content of phytohormones in Arabidopsis leaves. T.gamsii-treated plant leaves had higher levels of amino acids and lower concentrations of sugars. In addition, T.gamsii-treated plant leaves had more abscisic acid (ABA) and lower levels of salicylic acid (SA) and indole-3-acetic acid (IAA) in comparison with the untreated plants. Furthermore, the inoculation with T.gamsii on different signalling mutants showed that the induction of defences were SA-dependent. These findings indicate that T.gamsii has potential as a new type of biocontrol agent to promote plant repellence to insect attacks.
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