Derek Law dlaw at
Wed Nov 22 03:59:13 EST 2000

Pantoea agglomerans used to be known as Enterobacter agglomerans. They are
inhabitants of soil and water and occasionally the human bowel. Gas
production by this organism is variable. Whether you class it as a coliform
depends on your definition of a coliform (healthcare, water industry etc).
If you want to identify it definitively then you need to use soomething like
an API 20E which will give a correct ID down to the species level.

Derek Law

Company Microbiologist

Bernie Quinn <bqglcd at> wrote in message
news:20001122021027.21733.qmail at
> Is anybody familiar with the genus Pantoea?
> How many species are there?
> My question is - does Pantoea genus produce gas in
> lauryl tryptose broth?  Is there any decisive
> information anywhere that would confirm that the genus
> is coliform, or is there only information on Pantoea
> agglomerans?
> Please help, we have an organism that has been
> identified as two different genera, one of which is
> pantoea.  The problem is we got gas produced in lauryl
> tryptose broth, gas in brilliant green and green
> metallic sheen on m-endo, but the identifying lab
> didn't get gas in lauryl tryptose from the slant which
> we isolated and only identified the bug as pantoea (no
> species) which they claim is not a coliform.
> Any ideas, anyone??
> Thanks
> Bernie
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