Marinobacterium sp. strain DMS-S1 uses dimethyl sulphide as a sulphur source after light-dependent transformation by excreted flavins

Hiroyuki Hirano, Takako Yoshida, Hiroyuki Fuse, Takayuki Endo, Hiroshi Habe, Hideaki Nojiri, Toshio Omori

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Marinobacterium sp. strain DMS-S1 is a unique marine bacterium that can use dimethyl sulphide (DMS) as a sulphur source only in the presence of light. High-performance liquid chromatography (HPLC) analyses of the culture supernatant revealed that excreted factors, which could transform DMS to dimethyl sulphoxide (DMSO) under light, are FAD and riboflavin. In addition, FAD appeared to catalyse the photolysis of DMS to not only DMSO but also methanesulphonate (MSA), formate, formaldehyde and sulphate. As strain DMS-S1 can use sulphate and MSA as a sole sulphur source independently of light, the excretion of flavins appeared to support the growth on DMS under light. Furthermore, three out of 12 marine bacteria from IAM culture collection were found to be able to grow on DMS with the aid of photolysis by the flavins excreted. This is the first report that bacteria can use light to assimilate oceanic organic sulphur compounds outside the cells by excreting flavins as photosensitizers.

Original languageEnglish
Pages (from-to)503-509
Number of pages7
JournalEnvironmental Microbiology
Volume5
Issue number6
DOIs
Publication statusPublished - 2003 Jun 1
Externally publishedYes

Fingerprint

Marinobacterium
dimethyl sulfide
flavins
sulfur
sulfide
photolysis
dimethyl sulfoxide
bacterium
bacteria
sulfates
organic sulfur compound
sulfate
organic sulfur compounds
formates
riboflavin
formaldehyde
excretion
liquid chromatography
transform
high performance liquid chromatography

ASJC Scopus subject areas

  • Environmental Science(all)
  • Microbiology
  • Applied Microbiology and Biotechnology

Cite this

Marinobacterium sp. strain DMS-S1 uses dimethyl sulphide as a sulphur source after light-dependent transformation by excreted flavins. / Hirano, Hiroyuki; Yoshida, Takako; Fuse, Hiroyuki; Endo, Takayuki; Habe, Hiroshi; Nojiri, Hideaki; Omori, Toshio.

In: Environmental Microbiology, Vol. 5, No. 6, 01.06.2003, p. 503-509.

Research output: Contribution to journalArticle

Hirano, Hiroyuki ; Yoshida, Takako ; Fuse, Hiroyuki ; Endo, Takayuki ; Habe, Hiroshi ; Nojiri, Hideaki ; Omori, Toshio. / Marinobacterium sp. strain DMS-S1 uses dimethyl sulphide as a sulphur source after light-dependent transformation by excreted flavins. In: Environmental Microbiology. 2003 ; Vol. 5, No. 6. pp. 503-509.
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