Document Detail

Tannic acid resistance in ruminal streptococcal isolates.
MedLine Citation:
PMID:  15900546     Owner:  NLM     Status:  MEDLINE    
Tannin degrading isolates of Streptococcus spp. from rumen of non-adaptive cattle, when grown in BHI broth, were able to tolerate tannic acid upto a level of 50 g/l. An increase in lag period from 1.5 to 6 h was observed for the isolates in presence of increased concentration of tannic acid. In addition, the morphology of gram positive diplococci converted to an elongated chain of 40-50 cells with increasing tannic acid from 1 to 4%. Qualitatively, the tannase activity was found to be present in the isolates tested, indicating their potential of being a tannin degrader.
Gunjan Goel; Anil Kumar Puniya; Kishan Singh
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of basic microbiology     Volume:  45     ISSN:  0233-111X     ISO Abbreviation:  J. Basic Microbiol.     Publication Date:  2005  
Date Detail:
Created Date:  2005-05-26     Completed Date:  2005-07-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8503885     Medline TA:  J Basic Microbiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  243-5     Citation Subset:  IM    
Copyright Information:
Copyright 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Dairy Microbiology Division, National Dairy Research Institute, Karnal-132 001, India.
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MeSH Terms
Anti-Bacterial Agents / pharmacology*
Carboxylic Ester Hydrolases / analysis
Drug Resistance, Bacterial*
Rumen / microbiology*
Streptococcus / cytology,  drug effects*,  growth & development,  isolation & purification
Tannins / pharmacology*
Reg. No./Substance:
0/Anti-Bacterial Agents; 0/Tannins; EC 3.1.1.-/Carboxylic Ester Hydrolases; EC

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