Journal
REVUE DE MEDECINE INTERNE
Volume 25, Issue 9, Pages 659-662Publisher
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.revmed.2004.03.012
Keywords
chroniobacterium; violacein; FP901228; quorum-sensing; antibiotic
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Introduction. - Soil micro-organisms have evolved functions that allow them to withstand the strong competition for survival that characterizes most of their habitats. The production of antibiotic or antifungal compounds is one of these mechanisms. The relevant molecules often exhibit valuable therapeutic properties. Exegesis. - Chromobacterium violaceum is a soil-borne bacterium producing a characteristic antibiotic termed violacein. It is part of a series of compounds released by C. violaceum to oppose competitors and predators in the soil and water environments. Violacein, and one of these compounds, i.e. structure FR901228, exhibit antiparasitic and antitumoral activities of potential medical interest. Genes involved in the synthesis of these compounds are available, the genome sequence of C. violaceum (strain ATCC 12472) being published. Conclusions. - The above example, involving Chromobacterium, is not an exception: soil constitutes a reservoir of molecules, enzymatic activities and micro-organisms of biological interest, the study of which will undoubtedly lead to developments in fields as diverse as agronomy or animal and human therapeutics. (C) 2004 Publie par Elsevier SAS.
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