Document Detail

Acidic environments induce differentiation of Proteus mirabilis into swarmer morphotypes.
MedLine Citation:
PMID:  21707738     Owner:  NLM     Status:  In-Data-Review    
Although swarmer morphotypes of Proteus mirabilis have long been considered to result from surfaced-induced differentiation, the present findings show that, in broth medium containing urea, acidic conditions transform some swimmer cells into elongated swarmer cells. This study has also demonstrates that P. mirabilis cells grown in acidic broth medium containing urea enhance virulence factors such as flagella production and cytotoxicity to human bladder carcinoma cell line T24, though no significant difference in urease activity under different pH conditions was found. Since there is little published data on the behavior of P. mirabilis at various hydrogen-ion concentrations, the present study may clarify aspects of cellular differentiation of P. mirabilis in patients at risk of struvite formation due to infection with urease-producing bacteria, as well as in some animals with acidic or alkaline urine.
Masatoshi Fujihara; Hisato Obara; Yusaku Watanabe; Hisaya K Ono; Jun Sasaki; Masanobu Goryo; Ryô Harasawa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Microbiology and immunology     Volume:  55     ISSN:  1348-0421     ISO Abbreviation:  Microbiol. Immunol.     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-06-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703966     Medline TA:  Microbiol Immunol     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  489-93     Citation Subset:  IM    
Copyright Information:
© 2011 The Societies and Blackwell Publishing Asia Pty Ltd.
Department of Veterinary Microbiology, Faculty of Agriculture, Iwate University Department of Applied Veterinary Science, United Graduate School of Veterinary Science, Gifu University, Gifu, Japan Department of Veterinary Pathology, Faculty of Agriculture, Iwate University, Iwate.
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