Fermentative growth medium: Mc Conkey

Luis Fernando Garcia Alles luis.garciaalles at ibc.unibe.ch
Fri Jan 22 09:48:52 EST 1999

Dear all,
hi! Just to jog my rotting memory, does anyone there remember how
exactly the Mc Conkey test of colonies turning pink if they ferment the
substrate sugar is supposed to work? Is the colour yellow/red to be
obsered arounfd the cells or in the colonies? Do the cells take up the
pigments? How?
Any one of these qustions answered would be a great help.

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