Plasmids of mycobacteria

Plasmids of Azotobacter vinelandii.

Four laboratory strains and two isolates of Azotobacter vinelandii were found to contain plasmids. Twenty-five laboratory strains which could fix nitrogen did not have free, covalently closed circular plasmid DNA. The plasmids varied in size from 9 to 52 megadaltons, and each strain yielded only one plasmid. No discernible differences in ability to fix nitrogen were found between plasmid-bearin...

Catabolic Plasmids

Formost of this century agriculture and industry haveused a wide range of synthetic chemicals which appear to have no counterparts in nature. Many of these compounds, by their very nature and complexity, are resistant to degradation when released into soil, water and air. Unfortunately, the repeated use and release of such synthetics has become an everyday occurrence, resulting in widespread en...

Replication of Plasmids

Intermediary metabolism of mycobacteria.

Microculture morphology of mycobacteria.

Morphology continues to be indispensable for primary isolation and recognition of bacteria. Under controlled conditions of growth, microscopic and gross characteristics of most bacterial species are constant, replicable, and have high differential values. This report is concerned with microculture morphology of Mycobacterium 13 mm) was then placed over each planted area. The plates were incubat...