breaking yeast

Alfredo Lopez lopez at
Wed Aug 17 16:35:05 EST 1994

In article:
>From: Susan Bromberg_- usmbcfm3 at
>Research Department - Yeast Physiology and Fermentation
>Subject: breaking yeast

> I am trying to break open an industrialaneuploid yeast strain for enzyme
> assays.  This strain seem to much prefer remaining intact.  I tried twice
> through a French Press at 15,000psi and got only ~50% breakage or less.  I was
> thinking of going to glass beads but am worried about inactivating the enzyme.
> I would appreciate any suggestions.  Thanks

> Susan Bromberg

Unless lysozyme interferes with your assay, you can problably make speroplasts 
before using the French press.  Even with a bead beater it will be hard to get 
a 100% breakage.

	See you on the dark side of the Moon.

Alfredo Lopez-De-Leon         |
lopez at|
A.E.C.O.M.                    |
Biochemistry Department       |
Bronx, NY                     |

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