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Mar. Drugs 2009, 7(4), 576-588;

Violacein-Producing Collimonas sp. from the Sea Surface Microlayer of Costal Waters in Trøndelag, Norway

Department of Biotechnology, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
SINTEF Industrial Biotechnology, SINTEF, N-7034 Trondheim, Norway
Author to whom correspondence should be addressed.
Received: 13 October 2009 / Revised: 11 November 2009 / Accepted: 12 November 2009 / Published: 12 November 2009
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A new strain belonging to the genus Collimonas was isolated from the sea surface microlayer off the coast of Trøndelag, Norway. The bacterium, designated Collimonas CT, produced an antibacterial compound active against Micrococcus luteus. Subsequent studies using LC-MS identified this antibacterial compound as violacein, known to be produced by several marine-derived bacteria. Fragments of the violacein biosynthesis genes vioA and vioB were amplified by PCR from the Collimonas CT genome and sequenced. Phylogenetic analysis of these sequences demonstrated close relatedness of the Collimonas CT violacein biosynthetic gene cluster to those in Janthinobacterium lividum and Duganella sp., suggesting relatively recent horizontal gene transfer. Considering diverse biological activities of violacein, Collimonas CT shall be further studied as a potential producer of this compound. View Full-Text
Keywords: surface microlayer; Collimonas; violacein; biosynthetic genes surface microlayer; Collimonas; violacein; biosynthetic genes
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hakvåg, S.; Fjærvik, E.; Klinkenberg, G.; Borgos, S.E.F.; Josefsen, K.D.; Ellingsen, T.E.; Zotchev, S.B. Violacein-Producing Collimonas sp. from the Sea Surface Microlayer of Costal Waters in Trøndelag, Norway. Mar. Drugs 2009, 7, 576-588.

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