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J Bacteriol. 1977 August; 131(2): 399-404

Effect of light on Bdellovibrio bacteriovorus.

D Friedberg

ABSTRACT

Bdellovibrio underwent photooxidation by visible light in the presence of exogenous photosensitizer and by near-ultraviolet light (325 to 400 nm) in its absence. The colorless, host-dependent wild type was more sensitive to the lethal effect of light than was its pigmented, facultative parasitic mutant. The latter's ability to form colonies was much more sensitive to light than was its plaque-forming capability. The biosynthesis of the mutant pigment was inhibited by diphenylamine, though this inhibition did not result in additional sensitivity to photokilling.

J Bacteriol. 1977 August; 131(2): 399-404






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