Relationship between Cell Size and Time of Initiation of DNA Replication
摘要:
ROUNDS of DNA replication are initiated in Escherichia coli at different stages in the cell cycle of bacteria growing at different rates 1 . It is possible to calculate that the initiation of a round of DNA replication always takes place at a time when the cell mass/chromosome origin reaches a particular critical value. In other words, the mass at which initiation takes place is always an integral multiple of a particular mass. This constancy in turn provides an explanation for the increase in size of cells with increase in the rate of growth.
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DOI:
10.1038/2191077a0
被引量:
年份:
1968
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