The Journal of General Physiology
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The Journal of General Physiology, Vol 36, 617-629, Copyright © 1953 by The Rockefeller University Press

ARTICLE

STIMULATION OF GERMINATION AND RESPIRATION OF THE SPORES OF BACILLUS MEGATHERIUM BY MANGANESE AND MONOVALENT ANIONS

H. S. Levinson 1 and M. G. Sevag 1

1 From the Department of Microbiology, School of Medicine, University of Pennsylvania, and Pioneering Research Laboratories, United States Army Quartermaster Corps, Philadelphia

1. The addition of manganese in a concentration as low as 1.8 x 10–5 M stimulates both respiration and germination markedly and eliminates the need for heat activation of spores respiring in inorganic salts-glucose.

2. Rapid germination and respiration of B. megatherium spores require a proper balance of ions in the nutrient medium. The repressive effect of a high phosphate concentration can be eliminated or balanced by chloride, or by other monovalent anions. Adenosine can relieve the necessity for chloride in such a system.

Submitted on November 24, 1952


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J. E. Donnellan Jr. and R. B. Setlow
Thymine Photoproducts but not Thymine Dimers Found in Ultraviolet-Irradiated Bacterial Spores
Science, July 16, 1965; 149(3681): 308 - 310.
[Abstract] [PDF]


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