COMPARATIVE STUDIES ON RESPIRATION : X. TOXIC AND ANTAGONISTIC EFFECTS OF MAGNESIUM IN RELATION TO THE RESPIRATION OF BACILLUS SUBTILIS.
1. Concentrations of MgCl(2) up to 0.01 M have little effect upon the rate or respiration of Bacillus subtilis; at 0.03 M there is an increase in the rate, while in the higher concentrations there is a gradual decrease. 2. There is a well marked antagonism between MgCl(2) and NaCl, and a very slight antagonism between MgCl(2) and CaCl(2).
Brooks
M M
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Laboratory of Plant Physiology, Harvard University, Cambridge, and the Marine Biological Laboratory, Woods Hole.