Photoreactivation in the genus Bacillus.
Photoreactivation of ultraviolet radiation-induced DNA damage was examined in exponential-phase cells of six mesophilic species of the genus Bacillus. Under the experimental conditions used, it was observed that the laboratory strains B. cereus strain T and B. thuringiensis var. thuringiensis strain NRRL-B4039 exhibited strong photoreactivation (86-fold and 70-fold respectively). Bacillus licheniformis strain ATCC 8480 exhibited moderate (15-fold) photoreactivation. Weak photoreactivation was observed in B. subtilis strain 168 (4-fold) and B. megaterium strain QM B1551 (3.4-fold). Bacillus amyloliquefaciens strain H demonstrated no detectable photoreactivation.
Department of Microbiology and Immunology, University of North Texas Health Science Center, Fort Worth 76107, USA.
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Nicholson
D001407:Bacillus / Q000235:genetics* / Q000528:radiation effects; D004249:DNA Damage; D004260:DNA Repair / Q000528:radiation effects*; D008027:Light; D014466:Ultraviolet Rays