Catabolism of 1,5-anhydro-D-fructose in Sinorhizobium morelense S-30.7.5: Discovery, characterization and overexpression of a new 1,5-Anhydro-D-fructose reductase and its application in sugar analysis and rare sugar synthesis

Article Abstract:

A microbial screening on 1,5-anhydro-D-fructose (AF) yielding the bacterial strain Sinorhizobium morelense S-30.7.5 and a new pathway by which AF is converted into the metabolizable sugar D-mannose is reported. The first enzyme of this pathway was characterized as a new AFR, which has biotechnological potential for use in enzymatic analysis of AF, and as a new biocatalyst for the efficient synthesis of rare sugar.

Rhizobium, Fructose metabolism

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Diversity of microorganisms within rock varnish in the Whipple Mountains, California

Article Abstract:

Rock varnish from Arizona's Whipple Mountains harbors a microbial community containing 10(super 8) microorganisms g(super -1) of varnish. Analyses of varnish phospholipid fatty acids and rRNA gene libraries reveal a community comprised of mostly Proteobacteria but also including Actinobacteria, eukaryota, and a few members of the Archaea.

Contamination, Rocks, RNA interference

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Selection and characterization of cyanophage resistance in marine Synechococcus strains

Article Abstract:

The study explains the selection, as well as the characterization of cyanophage resistance in marine Synechococcus strains, a marine virus. The population dynamics and diversity of both the species are found to be highly affected by their ability of rapid evolution of multiple phage resistance.

Rhode Island, Physiological aspects, Bacteriophages, Report, Synechococcus elongatus

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