Carbon resource richness shapes bacterial competitive interactions by alleviating growth-antibiosis trade-off
文献类型： 外文期刊
作者： Yang, Chunlan 1 ; Dong, Yue 1 ; Friman, Ville-Petri 3 ; Jousset, Alexandre 4 ; Wei, Zhong 1 ; Xu, Yangchun 1 ; Shen, Q 1 ;
作者机构： 1.Nanjing Agr Univ, Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Natl Engn Res Ctr Organ Based Fertilizers, Jiangsu Prov Key Lab Organ Solid Waste Utilizat, Nanjing, Jiangsu, Peoples R China
2.Minist Agr & Rural Affairs, Inst Agr Resources & Environm, Jiangsu Acad Agr Sci Sci Observat & Expt Stn Arab, Nanjing, Jiangsu, Peoples R China
3.Univ York, Dept Biol, York, N Yorkshire, England
4.Univ Utrecht, Inst Environm Biol Ecol & Biodivers, Utrecht, Netherlands
关键词： antibiosis; competition; gene expression; resource complexity; trade-off
期刊名称：FUNCTIONAL ECOLOGY （ 影响因子：5.608； 五年影响因子：6.749 ）
ISSN： 0269-8463
年卷期： 2019 年 33 卷 5 期
页码：
收录情况： SCI
摘要： Antibiosis and resource competition are major drivers shaping the assembly, diversity and functioning of microbial communities. While it is recognized that competition is sensitive to environmental conditions, it is unclear to what extent this mediated by the availability of different carbon resources. Here, we used a model laboratory system to directly test this by exploring how carbon resource richness and identity shape resource competition and antibiosis between plant probiotic Bacillus amyloliquefaciens and phytopathogenic Ralstonia solanacearum bacteria. We found that while sugars typically promoted B.amyloliquefaciens growth, organic and amino acids increased the production of both bacillaene and macrolactin antibiotics and the direct inhibition of R.solanacearum. In contrast, when multiple different carbon resources were available, B.amyloliquefaciens could efficiently grow and produce antibiotics at the same time. Together, these results suggest that high carbon resource richness allows concurrent expression of growth- and antibiosis-related traits, potentially altering bacterial competitive dynamics and plant growth promotion in microbial communities. A plain language summary is available for this article.
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