Bacteriophages of Bacillus polymyxa.
Virulent bacteriophages of colistin--producing Bacillus polymyxa strains were studied. The phages were found to differ in lytic spectrum and were active only against strains of B. polymyxa. They did not attack other strains of the genus Bacillus. The virulent bacteriophages belong to two morphological groups differing in size. The size of the DNA of the bacteriophages of both groups is similar and ranges from 74.9 X 10(6) to 87.8 X 10(6) daltons. The cells of different B. polymyxa strains were also found to carry various defective phages which could be shown after mitomycin C induction of cell cultures. The antibacterial activity of mitomycin C induced cell lysates was not detected. Strains of B. polymyxa most probably devoid of defective bacteriophages (delysogenized) were isolated.
B J
BJ
Starościak
W
W
Kurzatkowski
W T
WT
Dobrzański
D001407:Bacillus / Q000187:drug effects / Q000378:metabolism; D001412:Bacillus subtilis / Q000502:physiology; D001413:Bacillus thuringiensis / Q000502:physiology; D001433:Bacteriolysis; D001435:Bacteriophages / Q000187:drug effects / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D003091:Colistin / Q000096:biosynthesis; D004279:DNA, Viral; D003673:Defective Viruses / Q000502:physiology*; D008242:Lysogeny / Q000187:drug effects; D016685:Mitomycin; D008937:Mitomycins / Q000494:pharmacology; D013045:Species Specificity
D004279:DNA, Viral; D008937:Mitomycins; D016685:Mitomycin; D003091:Colistin