Lokesh D. Kori

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Lactose is a major disaccharide by-product from the dairy industries, and production of whey alone amounts to about 200 million tons globally each year. Thus, it is of particular interest to identify improved enzymatic processes for lactose utilization. Microbial β-glucosidases (BGL) with significant β-galactosidase (BGAL) activity can be used to convert(More)
The β-glucosidase A gene (bglA) has been cloned from the halothermophilic bacterium Halothermothrix orenii and the recombinant enzyme (BglA; EC was bacterially expressed, purified using metal ion-affinity chromatography and subsequently crystallized. Orthorhombic crystals were obtained that diffracted to a resolution limit of 3.5 Å. The crystal(More)
A gene from the heterotrophic, halothermophilic marine bacterium Halothermothrix orenii has been cloned and overexpressed in Escherichia coli. This gene encodes the only glycoside hydrolase of family 43 (GH43) produced by H. orenii. The crystal structure of the H. orenii glycosidase was determined by molecular replacement and refined at 1.10 Å resolution.(More)
Shigellosis is an acute gastroenteritis caused by Shigella species. Forty isolates of Shigella spp. were obtained from the river Narmada during 2005-2006. Twenty-three isolates were identified as S. flexneri, 10 as S. sonnei, and seven as S. dysenteriae on the basis of biochemical tests and serotyping. All the isolates harbored at least one plasmid (range:(More)
A ribokinase gene (rbk) from the anaerobic halothermophilic bacterium Halothermothrix orenii was cloned and overexpressed in Escherichia coli. The recombinant protein (Ho-Rbk) was purified using immobilized metal-ion affinity chromatography and crystals were obtained using the sitting-drop method. Diffraction data were collected to a resolution of 3.1 Å(More)
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