Re: Yeast and Flow

From: Phil Marder (mr_redram@yahoo.com)
Date: Fri Aug 20 1999 - 08:09:34 EST


Don,
 Our lab has done a bit of yeast work over the last few years without
contamination problems of our mammalian cell cultures on the same
sorter.  We simply run 50 % bleach through our lines for about 30 min
after the yeast sort (followed by DI water rinse).

Phil Marder

reference:
L.J. Green, P. Marder, L.L. Mann, L-C Chio, W.L. Current. LY303366
exhibits rapid and potent fungicidal activity in flow cytometric assays
of yeast viability. Antimicrob. Agents Chemother. 43: 830-835. 1999.

--- "Walker, Don" <donwalker@chiroscience.com> wrote:
> 
> Hi,
> 
> 	I have a user that wants to start running yeast on the flow
> cytometer.  I have some trepidation about this.  I have heard a
> variety
> of good, bad and ugly comments about this area.  I know there are
> some
> experts in this area out there in FlowLand.  My main concern is the
> procedures needed afterwards to insure that no contamination occurs
> in
> subsequent sorts of mammalian cells.  Do people who do yeast dedicate
> an
> instrument just for that? ( food and beverage industry )? One
> thought,
> without knowing how Herculean the cleaning efforts are, is to
> dedicate a
> separate sample line just for yeast. What chemicals, fungicides etc.
> do
> you yeast/flow experts out there use?  Do you  recommend periodic
> cultures of the stream to test if the cleaning procedures are
> adequate?
> I'll share a short summary, with the list, of any responses I
> receive.
> TIA for your help with this.
> 
> Sincerely,
> Don Walker
> 
> 
> 

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