susceptibility of ultra-bacteria to heat?

Timothy Paustian paustian at bact.wisc.edu
Mon Jul 12 12:59:26 EST 1999

David Lloyd-Jones wrote:
> Timothy Paustian <paustian at bact.wisc.edu>
> >
> > 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.
> >
> I never thought of bacteria as coming in "species." Strains, surely. Or am I
> wrong?
>                                                       -dlj.

Splitting hairs wouldn't you say? Sure there are minor differences
between some strains of bacteria, but I would suggest a species (E.
coli) has a characteristic heat resistance. For example any strain of
Pyrodictium occultum will be more heat resistant than any strain of Streptococcus.

Timothy Paustian
Univ.of Wisconsin-Madison
Madison, WI

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