globalchange  > 气候变化与战略
DOI: 10.1111/ele.13847
论文题名:
Stress causes interspecific facilitation within a compost community
作者: Hesse E.; O'Brien S.; Luján A.M.; Sanders D.; Bayer F.; van Veen E.M.; Hodgson D.J.; Buckling A.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
语种: 英语
中文关键词: abiotic stress ; bacteria ; commensalism ; community ; mutualism ; public goods ; species interactions ; toxic metals
英文摘要: Ecological theory predicts interactions between species to become more positive under abiotic stress, while competition should prevail in more benign environments. However, experimental tests of this stress gradient hypothesis in natural microbial communities are lacking. We test this hypothesis by measuring interactions between 10 different members of a bacterial community inhabiting potting compost in the presence or absence of toxic copper stress. We found that copper stress caused significant net changes in species interaction signs, shifting the net balance towards more positive interactions. This pattern was at least in part driven by copper-sensitive isolates – that produced relatively small amounts of metal-detoxifying siderophores – benefitting from the presence of other species that produce extracellular detoxifying agents. As well as providing support for the stress gradient hypothesis, our results highlight the importance of community-wide public goods in shaping microbial community composition. © 2021 The Authors. Ecology Letters published by John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166848
Appears in Collections:气候变化与战略

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作者单位: CEC & ESI, Biosciences, University of Exeter, Penryn Campus, Cornwall, United Kingdom; Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom; CIQUIBIC, Departamento de Química Biológica, Facultad de Ciencias Químicas, CONICET, Universidad Nacional de Córdoba, Córdoba, Argentina; Camborne School of Mines, CEMPS, University of Exeter, Penryn Campus, Cornwall, United Kingdom; CEC, Biosciences, University of Exeter, Penryn Campus, Cornwall, United Kingdom

Recommended Citation:
Hesse E.,O'Brien S.,Luján A.M.,et al. Stress causes interspecific facilitation within a compost community[J]. Ecology Letters,2021-01-01
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