Sporulation-converting bacteriophages for Bacillus pumilus

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Sporulation-converting bacteriophages for Bacillus pumilus.

Thirty-three sporulation-converting bacteriophages for Bacillus pumilus NRS576 were assigned to two apparently unrelated groups on the basis of morphology and antiserum neutralization. Bacterial sporulation mutants responded similarly (conversion or nonconversion) to representatives of both phage groups. Evidence is presented indicating that PMB1 and related phages specify a restriction and/or ...

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Approximately 3% of the deoxyribonucleic acid (DNA) of Bacillus pumilus NRS576 can be isolated as covalently closed, circular duplex molecules of homogeneous size. The mol wt of the 576 plasmid is approximately 30 million. NRS576 (plasmid(+)) is oligosporogenic; less than 1% of the cells form spores during incubation in liquid AK sporulation medium. Variants that form spores at a high frequency...

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ژورنال

عنوان ژورنال: Journal of Virology

سال: 1978

ISSN: 0022-538X,1098-5514

DOI: 10.1128/jvi.27.3.819-822.1978