Interactions between exogenous deoxyribonucleic acid and membrane vesicles isolated from competent and noncompetent Bacillus subtilis.


Competent cultures of Bacillus subtilis 168 have been fractionated into a high-competent and a low-competent fraction by a large-scale separation technique. Membrane vesicles isolated from both cell fractions are equally active in the transport of L-glutamate. Both membrane vesicle preparations seem to have similar endo- and exonuclease activities. Also… (More)


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