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.

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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.

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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.

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