UNIVERSITY OF MISSOURI

cOLUMBIA

SCHOOL OF MEDICINE

DEPARTMENT OF BACTERIOLOGY AND
PREVENTIVE MEDICINE

Decenber 19, 1952

Dr. Joshua Lederberg
Department of Genetics
University of Wisconsin
Madison 6, Wisconsin

Dear Dr. Lederperg:

We have been doing some manometric studiss on the
begalactosidase of the organism Klebsiella pneumoniae.
Our results are such that we would like to attemot their
confirmation with the colorimetric technique which you
described in your paper in the Jl. of RBacteriolosy. As
you may have cathered by now, we woulé Tike to know if
it would be possible to obtain a sram or so of ONPG

from yous Any help you can give us in this direction
will most certainly be aporeciated,.

ES ALU.

Victor J. Cabelli