Mechanisms of the evolutionary arms race between Vibrio cholerae and Vibriophage clinical isolates. 2017

Minmin Yen, and Andrew Camilli
Department of Molecular Biology and Microbiology and Howard Hughes Medical Institute, Tufts University School of Medicine, Boston, MA 02111, USA.

This review highlights recent findings on the evolutionary arms race between the causative agent of cholera Vibrio cholerae and virulent bacteriophages (phages) ICP1, ICP2, and ICP3 isolated from cholera patient stool samples. We discuss mechanisms of phage resistance such as a unique phage-inhibitory chromosomal island and mutations that affect phage receptor expression. We also discuss the molecular characterization of ICP1 and its unique CRISPR-Cas system, which it uses to combat the phage-inhibitory chromosomal island. The role of phages in the life cycle of V. cholerae has been increasingly recognized and investigated in the past decade. This article will review hypotheses as to how the predator-prey relationship may have an impact on infections within individuals and on the self-limiting nature of cholera epidemics. In addition, we put forth a strategy of using phages as an intervention to reduce household transmission of cholera within a community.

UI MeSH Term Description Entries
D002771 Cholera An acute diarrheal disease endemic in India and Southeast Asia whose causative agent is VIBRIO CHOLERAE. This condition can lead to severe dehydration in a matter of hours unless quickly treated. Vibrio cholerae Infection,Choleras,Infection, Vibrio cholerae,Infections, Vibrio cholerae,Vibrio cholerae Infections
D005075 Biological Evolution The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics. Evolution, Biological
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001435 Bacteriophages Viruses whose hosts are bacterial cells. Phages,Bacteriophage,Phage
D014734 Vibrio cholerae The etiologic agent of CHOLERA. Bacillus cholerae,Bacillus cholerae-asiaticae,Liquidivibrio cholerae,Microspira comma,Pacinia cholerae-asiaticae,Spirillum cholerae,Spirillum cholerae-asiaticae,Vibrio albensis,Vibrio cholera,Vibrio cholerae-asiaticae,Vibrio comma
D064113 CRISPR-Cas Systems Adaptive antiviral defense mechanisms, in archaea and bacteria, based on DNA repeat arrays called CLUSTERED REGULARLY INTERSPACED SHORT PALINDROMIC REPEATS (CRISPR elements) that function in conjunction with CRISPR-ASSOCIATED PROTEINS (Cas proteins). Several types have been distinguished, including Type I, Type II, and Type III, based on signature motifs of CRISPR-ASSOCIATED PROTEINS. CRISPR Cas Systems,CRISPR-Cas System,System, CRISPR-Cas,Systems, CRISPR-Cas

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