Resource availability drives bacteria community resistance to pathogen invasion via altering bacterial pairwise interactions
文献类型： 外文期刊
作者： Li, Mei 1 ; Pommier, Thomas 4 ; Yin, Yue 1 ; Cao, Wenhui 1 ; Zhang, Xiaohui 1 ; Hu, Jie 1 ; Hautier, Yann 3 ; Yang, Tianjie 1 ; Xu, Yangchun 1 ; Shen, Qirong 1 ; Kowalchuk, George A. 3 ; Jousset, Alexandre 1 ; Wei, Zhong 1 ;
作者机构： 1.Nanjing Agr Univ, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Natl Engn Res Ctr Organ Based Fertilizers,Coll Re, Coll Resources & Environm Sci,Joint Int Res Lab S, Nanjing, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing, Peoples R China
3.Univ Utrecht, Inst Environm Biol Ecol & Biodivers, Utrecht, Netherlands
4.Univ Claude Bernard Lyon 1, Univ Lyon, Villeurbanne, France
5.Univ Rennes, UMR 6553 Ecobio, CNRS, Rennes, France
期刊名称：ENVIRONMENTAL MICROBIOLOGY （ 影响因子：5.476； 五年影响因子：6.82 ）
ISSN： 1462-2912
年卷期：
页码：
收录情况： SCI
摘要： Microbial interactions within resident communities are a major determinant of resistance to pathogen invasion. Yet, interactions vary with environmental conditions, raising the question of how community composition and environments interactively shape invasion resistance. Here, we use resource availability (RA) as a model parameter altering the resistance of model bacterial communities to invasion by the plant pathogenic bacterium Ralstonia solanacearum. We found that at high RA, interactions between resident bacterial species were mainly driven by the direct antagonism, in terms of the means of invader inhibition. Consequently, the competitive resident communities with a higher production of antibacterial were invaded to a lesser degree than facilitative communities. At low RA, bacteria produced little direct antagonist potential, but facilitative communities reached a relatively higher community productivity, which showed higher resistance to pathogen invasion than competitive communities with lower productivities. This framework may lay the basis to understand complex microbial interactions and biological invasion as modulated by the dynamic changes of environmental resource availability.
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