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J Virol. 1969 February; 3(2): 205-209
Copyright © 1969 American Society for Microbiology. All Rights Reserved.

Length of Deoxyribonucleic Acid of PBSX-like Particles of Bacillus subtilis Induced by 4-Nitroquinoline-1-Oxide

Division of Biology, Southwest Center for Advanced Studies, Dallas, Texas 75230

ABSTRACT

The formation of particles resembling PBSX phages was induced by 4-nitroquinoline-1-oxide in a Marburg strain of Bacillus subtilis. All particles were homogeneous in their morphology. Physical and biological analyses revealed that the deoxyribonucleic acid (DNA) carried by these particles are fragments of host-cell DNA. The contour length of the DNA is 4.25 µm, corresponding to a molecular weight of 8.1 x 10⁶ daltons.

¹ Present address: Department of Biochemistry, University of Texas, Austin, Tex. 78712.