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Human urine normal flora -Reply -Reply

Alan Junkins junkinsa at SMTPGW2.MUSC.EDU
Mon Jan 19 08:52:49 EST 1998


>>> Shad Turner <swturner at unixg.ubc.ca> 01/19/98
12:19am >>>

Would these normal flora bacteria remain viable in urine over
time?

--------------------
I think that would depend on what you mean by "over time". 
In the clinical laboratory the rule of thumb is that urines can
be stored at 4C for up to 24 hours.  But then we are
interested in doing colony counts.  After 24 hours the colony
counts will be wrong, but many of the organisms may still be
viable for several days, perhaps weeks, longer.  This is more
likely to be true for urinary pathogens (E. coli, other enterics,
etc.) than for the normal flora GPCs and GPBs.  It's an easy
enough experiment to do on a small scale.  Perhaps I'll tinker
with it a bit and get back to you.

Alan Junkins, Ph.D.
Assoc Prof, Medical Laboratory Sciences
Medical University of South Carolina
junkinsa at musc.edu
http://www.musc.edu/mls/



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