Bacterial competition: surviving and thriving in the microbial jungle
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TLDR
A growing body of theoretical and experimental population studies indicates that the interactions within and between bacterial species can have a profound impact on the outcome of competition in nature.Abstract:
Most natural environments harbour a stunningly diverse collection of microbial species. In these communities, bacteria compete with their neighbours for space and resources. Laboratory experiments with pure and mixed cultures have revealed many active mechanisms by which bacteria can impair or kill other microorganisms. In addition, a growing body of theoretical and experimental population studies indicates that the interactions within and between bacterial species can have a profound impact on the outcome of competition in nature. The next challenge is to integrate the findings of these laboratory and theoretical studies and to evaluate the predictions that they generate in more natural settings.read more
Citations
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Prodigiosin inhibits bacterial growth and virulence factors as a potential physiological response to interspecies competition.
TL;DR: In this paper, the authors investigated the biological role of prodigiosin from Serratia marcescens, particularly in microbial competition through its antimicrobial activity, towards the growth and secreted virulence factors of four clinical pathogenic bacteria.
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Efflux Pumps in Chromobacterium Species Increase Antibiotic Resistance and Promote Survival in a Coculture Competition Model.
TL;DR: Two predicted efflux pump gene clusters in the Chromobacterium genus, which is comprised of both nonpathogenic saprophytes and species that cause highly fatal human infections, are described and the role of both pumps is demonstrated and the importance of efflux-dependent resistance induction for C. subtsugae survival is demonstrated.
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Competition between strains of Borrelia afzelii inside the rodent host and the tick vector.
Dolores Genné,Anouk Sarr,Andrea Gomez-Chamorro,Jonas Durand,Claire Cayol,Olivier Rais,Maarten J. Voordouw +6 more
TL;DR: This study suggests that in multiple-strain vector-borne pathogens there are trade-offs in competitive ability between the vertebrate host and the arthropod vector, which could play an important role in the coexistence of pathogen strains.
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Antagonism between coral pathogen Vibrio coralliilyticus and other bacteria in the gastric cavity of scleractinian coral Galaxea fascicularis
Kaihao Tang,Waner Zhan,Yiqing Zhou,Tao Xu,Xiaoqing Chen,Weiquan Wang,Zhenshun Zeng,Yan Wang,Xiaoxue Wang +8 more
TL;DR: Results suggest that competition between the coral pathogen and other bacteria also occurs in the gastric cavity of coral, and Pseudoalteromonas strains in the stomach of G. fascicularis may provide a protective role in the defense against co-inhabiting coral pathogens at elevated temperature.
References
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