TELEPHONE LUDLOW 4-8B00

THE NEW YORK BOTANICAL GARDEN
BRONX PARK
NEW YORK 538, N.Y.

 

CHAIRMAN OF THE BOARD VICE-PRESIDENT TREASURER
JOSEPH R. SWAN FREDERICK S. MOSELEY Jr. ARTHUR M. ANDERSON

PRESIDENT DIRECTOR
CHARLES 8B. HARDING WILLIAM J. ROBBINS

April 22nd, 1952

Dr. Joshua Lederberg
Department of Genetics
College of Agriculture

The University of Wisconsin
Madison 6, Wisconsin

Dear Dr. Lederberg:
Thank you for your letter of April 16th.

I shall te very glad to discuss the therapy of bacteria
with Mr. N. Zinder,

The antibiotic that I have in mind for you, phagolessin A58,

@ois—on-soterad—seiipreges, acts on several coliphages as well as

on some Salmonella phages. Let's hopel
We have published very little on our antibiotics:

1) Asheshov, I.N.; Strelitz, F., and Hall, E. : Antibiotics
Active Against Bacterial Viruses. Canadian J. Pub. Health,
39, 75 (1948).

2) Asheshov, I.N.; Strelitz, F., and Hall, B. : Antibiotics
Active Against Bacterial Viruses. British J. Exp. Path.,

30, 175-85 (1949).

and the following are due to appear soon in the Antibiotics and
Chemotherapy s

3) Asheshov, I.N.3; Strelitz, F., and Hall, E.: Phagolessin
A58 A New Antibiotic Active Against Bacterial Viruses.

4) Asheshov, I.N.; Strelitz, F., and Hall, E.: Identity
Of Fumagillin And Phagopedin Sigma.

Sincerely yours,

Santon

Dr.Igor N. Asheshov
INA: fsv