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STATISTICAL APPROACH FOR THE ENHANCED PRODUCTION OF COLD-ACTIVE β-GALACTOSIDASE FROM Thalassospira frigidphilosprofundus: A NOVEL MARINE PSYCHROPHILE FROM DEEP WATERS OF BAY OF BENGAL.
MedLine Citation:
PMID:  23876137     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
In the present investigation Thalassospira frigidphilosprofundus, a novel species from the deep waters of the Bay of Bengal, was explored for the production of cold-active β-galactosidase by submerged fermentation using marine broth medium as the basal medium. Effects of various medium constituents, namely, carbon, nitrogen source, pH, and temperature, were investigated using a conventional one-factor-at-a-time method. It was found that lactose, yeast extract, and bactopeptones are the most influential components for β-galactosidase production. Under optimal conditions, the production of β-galactosidase was found to be 3,864 U/mL at 20 ± 2°C, pH 6.5 ± 0.2, after 48 hr of incubation. β-Galactosidase production was further optimized by the Taguchi orthogonal array design of experiments and the central composite rotatable design (CCRD) of response surface methodology. Under optimal experimental conditions the cold-active β-galactosidase enzyme production from Thalassospira frigidphilosprofundus was enhanced from 3,864 U/mL to 10,657 U/mL, which is almost three times higher than the cold-active β-galactosidase production from the well-reported psychrophile Pseudoalteromonas haloplanktis.
Authors:
K K Pulicherla; P Suresh Kumar; K Manideep; V P B Rekha; Mrinmoy Ghosh; K R S Sambasiva Rao
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Preparative biochemistry & biotechnology     Volume:  43     ISSN:  1532-2297     ISO Abbreviation:  Prep. Biochem. Biotechnol.     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2013-07-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9607037     Medline TA:  Prep Biochem Biotechnol     Country:  England    
Other Details:
Languages:  eng     Pagination:  766-80     Citation Subset:  IM    
Affiliation:
a Center for Bioseparation Technology , VIT University , Vellore , India.
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