NewsRx Logo Login/Signup
Home Newsletters Products Library About Us Contact -- Search NewsRx

NewsRx | Free Trials
Advertisement
VerticalNews | Global Warming
Advertisement
NewsRx | Free Trials
Advertisement
----------
------------
NewsRx on Facebook
-----
Press Release Submissions
PR Login
*
*

Vaccine Weekly

Welcome to NewsRx!

Learn more about a six-week, no-risk free trial of Vaccine Weekly

Learn More

We're a pay-per-view site for premium content. If you'd like to purchase this article, it's only $3.00.

Buy Now



Cholera



New cholera research reported from A.J. Silva and co-authors



January 7th, 2009

"Production of the Zn-metalloprotease hemagglutinin (HA)/protease by Vibrio cholerae has been reported to enhance enterotoxicity in rabbit ileal loops and the reactogenicity of live cholera vaccine candidates. Expression of HA/protease requires the alternate sigma factor sigma(S) (RpoS), encoded by rpoS," researchers in the United States report.

"The histone-like nucleoid structuring protein (H-NS) has been shown to repress rpoS expression in Escherichia coli. In V. cholerae strains of the classical biotype, H-NS has been reported to silence virulence gene expression. In this study we examined the role of H-NS in the expression of HA/protease and motility in an El Tor...


Source: Vaccine Weekly (2009-01-07)

NewsRx Passes
Advertisement
More Articles

Related Topics

------------------------
Security by Verisign PR Login