Author:
Meacock P A,Pritchard R H
Abstract
The relationship between chromosome replication and cell division was investigated in a thymineless mutant of Escherichia coli B/r. Examination of the changes in average cell mass and DNA content of exponential cultures resulting from changes in the thymine concentration in the growth medium suggested that as the replication time (C) is increased there is a decrease in the period between termination of a round of replication and the subsequent cell division (D). Observations on the pattern of DNA synthesis during the division cycle were consistent with this relationship. Nevertheless, the kinetics of transition of exponential cultures moving between steady states of growth with differing replication velocities provided evidence to support the view that the time of cell division is determined by termination of rounds of replication under steady-state conditions.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
37 articles.
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