Anoxybacillus rupiensis Ir2 (JQ912240), thermophilic bacteria capable of utilizing aromatic hydrocarbon especially N-compounds that form part of petroleum components.In an attempt to investigate the ability of this bacterium to degrade quinoline and indole, the strain Ir2 was grown on these N-compounds separately as a sole source of carbon and nitrogen. Results showed that strain Ir2 was able t...

Gut microbiota has become an integral component of the host, and received increasing attention. However, for many domestic animals, information on the microbiota is insufficient and more effort should be exerted to manage the gastrointestinal bacterial community. Understanding the factors that influence the composition of microbial community in the host alimentary canal is essential to manage o...

Abstract Pullulanase is a well-known debranching enzyme that can specifically hydrolyze α-1,6-glycosidic linkages in starch and oligosaccharides, however, it suffers from low stability catalytic efficiency under industrial conditions. In the present study, four residues (A365, V401, H499, T504) lining pocket of Anoxybacillus sp. AR-29 pullulanase (PulAR) were selected for site-directed mutagene...

Nineteen thermophilic, aerobic, endospore-forming bacterial strains were subjected to 16S rRNA gene sequence analysis. Eight of these strains had been received as cultures of Geobacillus kaustophilus, G. lituanicus, G. stearothermophilus, 'G. thermoleovorans subsp. stromboliensis', G. vulcani, 'Bacillus caldolyticus', 'B. caldotenax' and 'B. caldovelox', but they showed close relationships with...

Milk powder taken to Antarctica on Shackelton's British Antarctic Expedition in 1907 was produced in New Zealand by a roller drying process in the first factory in the world dedicated to this process. Thermophilic bacilli are the dominant contaminants of modern spray-dried milk powders and the 1907 milk powder allows a comparison to be made of contaminating strains in roller-dried and spray-dri...