How to screen acid producing fungi?

mspear mspear at telerama.lm.com
Sat Apr 1 14:20:28 EST 1995


r3603201 (r3603201 at CC.NTU.EDU.TW) wrote:
>    I have been using PDA + calcium carbonate for the screening of acid 
> producing fungi, but the outcome was not satisfied. Does anyone have any 
> effective method for the screening of acid producing fungi? Where could 
> be the possible habitat of the microorganisms? 

How about using a dye in the medium like bromthmol blue or creasol
green.  These would definately stop some fungi from growing but those
that do might change the color of the medium.  Some pH sensative dye
might work so that the spots that turn color could point out the acid
producers.

    ---- Mark



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