The dddP gene, encoding a novel enzyme that converts dimethylsulfoniopropionate into dimethyl sulfide, is widespread in ocean metagenomes and marine bacteria and also occurs in some Ascomycete fungi

Todd, JD, Curson, AR, Dupont, CL, Nicholson, P and Johnston, AWB (2009) The dddP gene, encoding a novel enzyme that converts dimethylsulfoniopropionate into dimethyl sulfide, is widespread in ocean metagenomes and marine bacteria and also occurs in some Ascomycete fungi. Environmental Microbiology, 11 (6). pp. 1376-1385. ISSN 1462-2920

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Abstract

The marine alphaproteobacterium Roseovarius nubinhibens ISM can produce the gas dimethyl sulfide (DMS) from dimethylsulfoniopropionate (DMSP), a widespread secondary metabolite that occurs in many phytoplankton. Roseovarius possesses a novel gene, termed dddP, which when cloned, confers on Escherichia coli the ability to produce DMS. The DddP polypeptide is in the large family of M24 metallopeptidases and is wholly different from two other enzymes, DddD and DddL, which were previously shown to generate DMS from dimethylsulfoniopropionate. Close homologues of DddP occur in other alphaproteobacteria and more surprisingly, in some Ascomycete fungi. These were the biotechnologically important Aspergillus oryzae and the plant pathogen, Fusarium graminearum. The dddP gene is abundant in the bacterial metagenomic sequences in the Global Ocean Sampling Expedition. Thus, dddP has several novel features and is widely dispersed, both taxonomically and geographically.

Item Type: Article
Faculty \ School: Faculty of Science > School of Biological Sciences
Related URLs:
Depositing User: EPrints Services
Date Deposited: 01 Oct 2010 13:36
Last Modified: 21 Apr 2020 17:28
URI: https://ueaeprints.uea.ac.uk/id/eprint/180
DOI: 10.1111/j.1462-2920.2009.01864.x

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