indole reaction of e coli

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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cloudnine
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indole reaction of e coli

Post by cloudnine » Tue Aug 30, 2005 9:24 am

can indole(-) negative e coli exist?

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canalon
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Post by canalon » Wed Aug 31, 2005 5:23 pm

Yes,
as for any biochemical test there is no 100% compliance. But then it's harder to confirm, so when you are isolating a lot of strains, you tend to ignore them.
For confirmation, tests like API strips, BBL crystal, or Biolog assays should work. rRNA sequencing is of course another option but maybe not the cheapest nor the fastest.

Cheers

Patrick

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