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Review
. 2002 Dec;68(12):5804-15.
doi: 10.1128/aem.68.12.5804-5815.2002.

Dimethylsulfoniopropionate: Its Sources, Role in the Marine Food Web, and Biological Degradation to Dimethylsulfide

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Review

Dimethylsulfoniopropionate: Its Sources, Role in the Marine Food Web, and Biological Degradation to Dimethylsulfide

Duane C Yoch. Appl Environ Microbiol. .
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Figures

FIG. 1.
FIG. 1.
Scheme representing the mechanisms of DMSP and DMS cycling in the marine water column and atmosphere. DMSO, dimethyl sulfoxide; CCN, cloud-condensing nuclei; MMPA, 3-methiolpropionate; β-HP, β-hydroxypropionate; 3-MPA, 3-mercaptopropionate; MeSH, methanethiol; X-CH3, unidentified molecule with a terminal methyl group.
FIG. 2.
FIG. 2.
Models comparing the uptake and metabolism of DMSP and acrylate in (A) strain LFR, (B) Alcaligenes faecalis, and (C) Pseudomonas doudoroffii. Abbreviations: β-HP, beta-hydroxypropionate; DL and DL*, inducible and constitutive DMSP lyase, respectively; Ac and Ac*, inducible and constitutive acrylase, respectively; acrylate∗, assumed to be present but not detectable; 2,4 DNP, the energy uncoupler 2,4-dinitrophenol; BP, binding protein; GBT, glycine betaine. Dashed lines in C represent the assumed mechanism of acrylate (via β-hydroxypropionate) induction of DMSP lyase in this organism.

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