期刊
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
卷 113, 期 -, 页码 31-39出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.pestbp.2014.06.004
关键词
Zoxamide; Proteomic analysis; Phytophthora cactorum; Mode of action
资金
- Natural Science Foundation of China [30800731, 31260447]
- 973 program from the Ministry of Science and Technology of China [2011CB100400]
- Special Fund for Agro-scientific Research in the Public Interest of the People's Republic of China [201303023, 201003004]
In this study, the global proteomic response of Phytophthora cactorum to zoxamide was evaluated using a two-dimensional gel electrophoresis (2-DE)-based proteomic approach. Among the 21 proteins identified by matrix-assisted laser desorption/ionization time-of-flight tandem mass spectrometry (MALDI-TOF/TOF MS), four cytoskeleton-related proteins were down-regulated upon addition of zoxamide. Five detoxification metabolism enzymes, seven sugar metabolism proteins and one mitochondria-related protein were up-regulated by more than 2-fold in response to zoxamide. Taken together, these results suggest that zoxamide can decrease the expression of cytoskeleton-related proteins of P. cactorum, resulting in cell death; however, the up-regulation of detoxification metabolism-related enzymes may protect P. cactorum against zoxamide, and the up-regulation of proteins related to sugar metabolism and mitochondria may lead to the generation of more energy for detoxification metabolism. These data also suggest that proteomics may be useful not only in exploring the mode of action of fungicides but also for gaining insight into the resistance mechanisms that pathogens employ against fungicides. (C) 2014 Elsevier Inc. All rights reserved.
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