Document Detail


Bacterial taxa that limit sulfur flux from the ocean.
MedLine Citation:
PMID:  17068264     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Flux of dimethylsulfide (DMS) from ocean surface waters is the predominant natural source of sulfur to the atmosphere and influences climate by aerosol formation. Marine bacterioplankton regulate sulfur flux by converting the precursor dimethylsulfoniopropionate (DMSP) either to DMS or to sulfur compounds that are not climatically active. Through the discovery of a glycine cleavage T-family protein with DMSP methyltransferase activity, marine bacterioplankton in the Roseobacter and SAR11 taxa were identified as primary mediators of DMSP demethylation to methylmercaptopropionate. One-third of surface ocean bacteria harbor a DMSP demethylase homolog and thereby route a substantial fraction of global marine primary production away from DMS formation and into the marine microbial food web.
Authors:
Erinn C Howard; James R Henriksen; Alison Buchan; Chris R Reisch; Helmut Bürgmann; Rory Welsh; Wenying Ye; José M González; Kimberly Mace; Samantha B Joye; Ronald P Kiene; William B Whitman; Mary Ann Moran
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  314     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-10-27     Completed Date:  2006-11-09     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  649-52     Citation Subset:  IM    
Affiliation:
Department of Microbiology, University of Georgia, Athens, GA 30602, USA.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/AAV95190;  AAZ21068;  ABD55296;  ABF64177;  DQ874604;  DQ874605;  DQ874606;  DQ874607;  DQ874608;  DQ874609;  DQ874610;  DQ874611;  DQ874612;  DQ874613;  DU737812;  DU750654;  EAP76657;  EAS69357;  EAS85076
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MeSH Terms
Descriptor/Qualifier:
Bacteria / classification,  enzymology,  genetics*,  metabolism*
Food Chain
Genes, Bacterial
Genome, Bacterial
Molecular Sequence Data
Oceans and Seas
Oxidoreductases / genetics*,  metabolism
Phylogeny
Phytoplankton / metabolism
Plankton / classification,  enzymology,  genetics,  metabolism
Propionic Acids / metabolism
Rhodobacteraceae / classification,  enzymology,  genetics*,  metabolism*
Seawater* / microbiology
Sulfhydryl Compounds / metabolism
Sulfides / metabolism
Sulfonium Compounds / metabolism*
Sulfur Compounds / metabolism*
Chemical
Reg. No./Substance:
0/Propionic Acids; 0/Sulfhydryl Compounds; 0/Sulfides; 0/Sulfonium Compounds; 0/Sulfur Compounds; 26473-47-2/3-mercapto-2-methylpropionic acid; 7314-30-9/dimethylpropiothetin; 74-93-1/methylmercaptan; 75-18-3/dimethyl sulfide; EC 1.-/DMSP demethylase, Roseobacter; EC 1.-/Oxidoreductases
Comments/Corrections
Comment In:
Science. 2006 Oct 27;314(5799):607-8   [PMID:  17068252 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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