CHANGES IN TERMINAL RESPIRATORY PATHWAYS OF INTACT CELLS OF BACILLUS CEREUS AT VARIOUS STAGES OF DEVELOPMENT.

Goldman, Manuel (The University of Michigan, Ann Arbor), and Harold J. Blumenthal. Changes in terminal respiratory pathways of intact cells of Bacillus cereus at various stages of development. J. Bacteriol. 87:387-390. 1964.-The conversion of glucose-6-C(14) to C(14)O(2) was used as the indicator of terminal respiration. Resting suspensions of cells that had completed their first division exhibited little terminal respiratory activity, whereas cells that had completed eight to nine divisions exhibited maximal activity. Intermediate values were obtained for resting-cell suspensions at developmental stages between the first and eighth divisions. Growing cells at all stages oxidized considerably less glucose-6-C(14) to C(14)O(2) than did comparable resting cells. Terminal respiration was demonstrable in resting cells harvested from a growth medium still containing relatively large amounts of glucose.