Facilitation promotes invasions in plant-associated microbial communities

被引:139
作者
Li, Mei [1 ]
Wei, Zhong [1 ]
Wang, Jianing [1 ]
Jousset, Alexandre [1 ,2 ]
Friman, Ville-Petri [1 ,3 ]
Xu, Yangchun [1 ]
Shen, Qirong [1 ]
Pommier, Thomas [4 ]
机构
[1] Nanjing Agr Univ, Jiangsu Prov Key Lab Organ Solid Waste Utilizat, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Natl Engn Res Ctr Organ Based Fertilizers, Nanjing 210095, Jiangsu, Peoples R China
[2] Univ Utrecht, Inst Environm Biol Ecol & Biodivers, Padualaan 8, NL-3584 CH Utrecht, Netherlands
[3] Univ York, Dept Biol, Wentworth Way, York Y010 5DD, N Yorkshire, England
[4] Univ Lyon 1, French Natl Inst Agr Res INRA, UMR7478, Ecol Microbienne, F-69622 Villeurbanne, France
基金
英国惠康基金; 中国国家自然科学基金;
关键词
Antagonism; community ecology; facilitation; invasion resistance; microbe-microbe-plant interactions; rhizosphere; RALSTONIA-SOLANACEARUM; BACTERIAL COMMUNITIES; RESOURCE COMPETITION; DIVERSITY; BIODIVERSITY; ECOLOGY; NETWORK; SUCCESS; COEXISTENCE; ALLELOPATHY;
D O I
10.1111/ele.13177
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
While several studies have established a positive correlation between community diversity and invasion resistance, it is less clear how species interactions within resident communities shape this process. Here, we experimentally tested how antagonistic and facilitative pairwise interactions within resident model microbial communities predict invasion by the plant-pathogenic bacterium Ralstonia solanacearum. We found that facilitative resident community interactions promoted and antagonistic interactions suppressed invasions both in the lab and in the tomato plant rhizosphere. Crucially, pairwise interactions reliably explained observed invasion outcomes also in multispecies communities, and mechanistically, this was linked to direct inhibition of the invader by antagonistic communities (antibiosis), and to a lesser degree by resource competition between members of the resident community and the invader. Together, our findings suggest that the type and strength of pairwise interactions can reliably predict the outcome of invasions in more complex multispecies communities.
引用
收藏
页码:149 / 158
页数:10
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