Abstract
Summary
Lyophilized Br. abortus 19 and M. tuberculosis H37RV were exposed to various doses of gamma irradiation from a cobalt-60 source and tested for oxygen uptake on suitable substrates. Cells exposed from 750,000 to 800,000 r failed to grow on appropriate culture media, yet continue to respire at a rate from 40% to 50% of that of the non-irradiated cells.
Get full access to this article
View all access options for this article.