Degradation of triphenyltin by a fluorescent pseudomonad

Article Abstract:

Many species of Pseudomonas are capable of degrading triphenyltin, which is a toxic organic compound used as a fungicide in agriculture. Pseudomonads appear to use a low-molecular-mass substance of around 1,000 Da to degrade the chemical.

Biodegradation, Pseudomonas

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Utilization of dimethyl sulfide as a sulfur source with the aid of light by Marinobacterium sp. strain DMS-S1

Article Abstract:

Researchers report the first known case of a marine bacterium belonging to the gamma subclass of the Proteobacteria that can use dimethyl sulfide as the sole source of sulfur in the presence of light. Analysis of 16S ribosomal DNA genes shows that the isolate is closely related to Marinobacterium georgiense.

Microbial metabolism, Marine bacteria, Dimethyl sulfide

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Effects of growth pressure and temperature on fatty acid composition of a barotolerant deep sea-bacterium

Article Abstract:

Changes in the fatty acid composition of a barotolerant bacterium containing branched fatty acids due to pressure and temperature and its adaptation to high pressure were discussed. Sediment samples were collected and screened for barotolerant bacteria. Pressure and temperature were gradually increased in the sample. Gas chromatography-mass spectrometry was used to analyze the fatty acids. Pressure increases also increased fatty acid proportions while increases in temperature decreased it.

Analysis, Bacteria, Fatty acids

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