Emerging insights on intestinal dysbiosis during bacterial infections

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Abstract

Infection of the gastrointestinal tract is commonly linked to pathological imbalances of the resident microbiota, termed dysbiosis. In recent years, advanced high-throughput genomic approaches have allowed us to examine the microbiota in an unprecedented manner, revealing novel biological insights about infection-associated dysbiosis at the community and individual species levels. A dysbiotic microbiota is typically reduced in taxonomic diversity and metabolic function, and can harbour pathobionts that exacerbate intestinal inflammation or manifest systemic disease. Dysbiosis can also promote pathogen genome evolution, while allowing the pathogens to persist at high density and transmit to new hosts. A deeper understanding of bacterial pathogenicity in the context of the intestinal microbiota should unveil new approaches for developing diagnostics and therapies for enteropathogens. © 2013 The Authors.

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Pham, T. A. N., & Lawley, T. D. (2014, February). Emerging insights on intestinal dysbiosis during bacterial infections. Current Opinion in Microbiology. https://doi.org/10.1016/j.mib.2013.12.002

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