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Bioscience, biotechnology, and biochemistry

Polyol conversion specificity of Bacillus pallidus.


PMID 18175917

Abstract

The conversion specificity of Bacillus pallidus Y25 for polyols, including elusive rare sugar alcohols, was investigated. B. pallidus cells showed transformation potential for several rare polyols, including allitol, L-mannitol, D/L-talitol, and D-iditol, and converted them to their corresponding ketoses. This indicates that the bacterium had two polyol dehydrogenases specific for polyols that have D-erythro and D-threo configurations. By combination with intrinsic isomerases, polyols were converted directly to various aldoses, including L-xylose, L-talose, D-altrose, and L-glucose.