W.R.G. Headley wrote:
> I would be very grateful if anyone could answer any of the following
> questions before Wednesday:
>> What is tween and what is its role in the ELISA technique for
> quantitating cholera toxin?
>> Why does TCBS agar select for V.cholerae?
>> What is the usual treatment for ETEC infections in otherwise healthy
>> Thank you.
TCBS is suitable for the isolation of most pathogenic vibrios (not just
V. cholerae). the selectivity for vibrios is due to the incorporation of
bile salts and a high pH. Sucrose is present to differentiate the
sucrose fermenting and non fermenting Vibrio spp.