BSU bulletin. Chemistry. Physics
Bibliographic description:
, , PEPTIDASE ACTIVITY OF THE STRAIN A 11 AMPHIBACILLUS ALASHANENSIS SP. NOV. // BSU bulletin. Chemistry. Physics. - 2016. №4. . - С. 3-10.
Title:
PEPTIDASE ACTIVITY OF THE STRAIN A 11 AMPHIBACILLUS ALASHANENSIS SP. NOV.
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Annotation:
Peptidase activity in strain A 11 Amphibacillus alashanensis sp. nov. on various substrates was studied. It is shown that the cultures possess highly subtilisin like, aminopeptidase activity. The observed specificity may reflect metabolic distinctive features of a particular bacteria species, indicating that hydrolysis of the same protein substrate can be performed by using different enzymatic machinery. Proteases are stable in a wide temperature range of 23 to 60оC and a pH from 6.80 to 11.98. Peptidase activity varies depending on the substrate in the medium and cultivation time.
Keywords:
salt lakes, Badain Zharan, the n-nitroanilide substrate, peptidase, subtilizin like activity, alkali-halophilic bacteria, temperature and pH stability.
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