IUBio

susceptibility of ultra-bacteria to heat?

Anne Thomas anne.t at net.ntl.com
Sat Jul 10 04:05:57 EST 1999


I think I might have sent my last message a few times! I'm having
trouble posting to this newsgroup. If I have - I apologise....
especially to Dr Oliver - who was getting all postings twice!

Anne :o)

PS - Sorry Mr Mail-moderator :o) lol

*selah* wrote:
> 
> I was wondering what the arguments are against the existence of these
> bacteria? There was an epidemic of cryptosporidium in Milwaukee that
> caused over 400,000 people to be infected. What do these scientists think
> happened there?
> 
> On Wed, 07 Jul 1999 13:01:49 -0500, Timothy Paustian
> <paustian at bact.wisc.edu> wrote:
> >*selah* wrote:
> >>
> >> I was wondering if the "ultra"-bacteria (bacteria the size of viruses such
> >> as crytosporidium, etc.) are as resistant to heat sterilization as other
> >> bacteria - i.e. needing 120 degrees C for 20 minutes - or if it's like
> >> viruses needing only 80 degrees C for a minutes or so.
> >>
> >> Thanks.
> >>
> >
> >Ultrasmall bacteria are still controversial. They really haven't proven
> >to many scientists that they do exist. I would speculate that they are
> >as heat resistant as other bacteria, but that entirely depends upon the species.
> >
> >--
> >Cheers,
> >
> >Timothy Paustian
> >Univ.of Wisconsin-Madison
> >Madison, WI
> >http://www.bact.wisc.edu/gradstudies/paustian.html
> 
> --
> Remove iii from address to reply.



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