Various Questions

[scf]

Concerning identification of molds (filamentous fungi?) try:
"Illustrated Genera of Imperfect Fungi" Fourth Edition, Barnett and Hunter.
Published by American Phytopathological Society, 1998

Good Luck. By the way, what is your new job?


In article <199912140053.TAA19999 at pop.cybernex.net>, yersinia at cybernex.net
(Yersinia) wrote:

> Greetings Microbiologists,
> 
> If I may, I'd like to pose a few questions my coworker and I were 
> discussing that I hope some of you may be able to help me with. The 
> application involved is QA testing of cosmetics.
> 
> (1) Does refrigeration of lactose broth (prepared with Tween 20 and 
> lecithin) and TSB (also with Tween 20 and lecithin) extend its shelf 
> life? In every lab I've worked in so far, they kept it on the shelf (or 
> in a cabinet) at RT with a 3-month expiration date. Personally I find 
> this sufficient, especially in an environment with a workload so heavy 
> there's probably no way we could prepare more than a 2-3 WEEK supply of 
> these broths. However, my coworker had read in his college micro lab book 
> that refrigerating the broths "preserves moisture" and thereby extends 
> the shelf life. I've never seen or heard otherwise.  
> 
> (2) Does anyone know of any species of mold which has a beautiful fuzzy 
> white mycelium with pink spores - and, can anyone recommend a good guide 
> to mold identification?
> 
> (3) How does one go about differentiating the mold A. niger from other 
> species of Aspergillus?  Also, see above, i.e., what's a good guide to 
> use for fungus ID?
> 
> (4) Has anyone used the Albi-Quick by Hardy Diagnostics for 
> identification of C. albicans? Do you like it? How would you compare it 
> to the API 20-C AUX kit?
> 
> Thank you all so much in advance for your help.
> 
> Infectionately,
> Yersinia<---loves her new job!
> ---