This work deals with highly osmotolerant acetic acid bacteria of the genus Bombella, which are symbionts of the western honey bee Apis mellifera. In the first part, the taxonomy of the genus was revised and four new species were validly described. Comparative genomics provided new insights into carbohydrate metabolism and adaptation to the habitat. Proteomic and metabolomic analyses were used to characterize the cellular stress mechanisms against high glucose and NaCl concentrations. In addition, the potential of Bombella strains for the fermentation of fruit juices was tested. Lastly, it was shown that enzymes of the glycoside hydrolase 32 family from Bombella spp. catalyze the formation of high molecular weight fructans from sucrose.
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This work deals with highly osmotolerant acetic acid bacteria of the genus Bombella, which are symbionts of the western honey bee Apis mellifera. In the first part, the taxonomy of the genus was revised and four new species were validly described. Comparative genomics provided new insights into carbohydrate metabolism and adaptation to the habitat. Proteomic and metabolomic analyses were used to characterize the cellular stress mechanisms against high glucose and NaCl concentrations. In addition...
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