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How Vibrio cholerae adapts to the environment: from cell shape transitions to antagonistic behavior

Publications associées (40)

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Did Cholera Toxin Finally Get Caught?

Françoise Gisou van der Goot Grunberg

To orchestrate immune responses, pathogen-recognition receptors have evolved sophisticated strategies to monitor pathogenic processes. In this issue of Cell Host & Microbe, a study by Cho et al. reveals a mechanism of immune recognition that relies on the ...

Cell Press2013

Recently, several studies done in Drosophila have revealed that efficient and rapid recovery from bacterial infection in the gut is possible only when bacterial clearance by the immune system is coordinated with repair through renewal of the epithelium dam ...

EPFL2013

The Regulatory Network of Natural Competence and Transformation of Vibrio cholerae

Melanie Blokesch, Mirella Lo Scrudato

The human pathogen Vibrio cholerae is an aquatic bacterium frequently encountered in rivers, lakes, estuaries, and coastal regions. Within these environmental reservoirs, the bacterium is often found associated with zooplankton and more specifically with t ...

2012

Chitin colonization, chitin degradation and chitin-induced natural competence of Vibrio cholerae are subject to catabolite repression

Melanie Blokesch

Although Vibrio cholerae is a human pathogen its primary habitat are aquatic environments. In this environment, V. cholerae takes advantage of the abundance of zooplankton, whose chitinous exoskeletons provide a nutritious surface. Chitin also induces the ...

Wiley-Blackwell2012

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We investigate the role of human mobility as a driver for long-range spreading of cholera infections, which otherwise primarily propagate through hydrologically controlled ecological corridors. We rely on a recent mechanistic, field-data validated, spatial ...

Wiley-Blackwell2012

Quorum Sensing Contributes to Natural Transformation of Vibrio cholerae in a Species-Specific Manner

Melanie Blokesch, Patrick Martin Seitz, Gaia Francesca Marianne Suckow

Although it is a human pathogen, Vibrio cholerae is a regular member of aquatic habitats, such as coastal regions and estuaries. Within these environments, V. cholerae often takes advantage of the abundance of zooplankton and their chitinous molts as a nut ...

American Society for Microbiology2011

Prediction of the spatial evolution and effects of control measures for the unfolding Haiti cholera outbreak

Andrea Rinaldo, Melanie Blokesch, Enrico Bertuzzo, Lorenzo Mari, Lorenzo Righetto, Marino Gatto

Here we propose spatially explicit predictions of the residual progression of the current Haiti cholera outbreak accounting for the dynamics of susceptible and infected individuals within different local human communities, and for the redistribution among ...

American Geophysical Union2011

The environmental reservoirs for Vibrio cholerae are natural aquatic habitats, where it colonizes the chitinous exoskeletons of copepod molts. Growth of V. cholerae on a chitin surface induces competence for natural transformation, a mechanism for intra-sp ...

Public Library of Science2007

Chitin induces natural competence in Vibrio cholerae

Melanie Blokesch, Karin Lederballe Meibom

The mosaic-structured Vibrio cholerae genome points to the importance of horizontal gene transfer (HGT) in the evolution of this human pathogen. We showed that V. cholerae can acquire new genetic material by natural transformation during growth on chitin, ...

American Association for the Advancement of Science2005

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Bacteria of the genus Vibrio are common members of aquatic environments where they compete with other prokaryotes and defend themselves against grazing predators. A macromolecular protein complex called the type VI secretion system (T6SS) is used for both ...