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. 1983 Mar;153(3):1379–1387. doi: 10.1128/jb.153.3.1379-1387.1983

Cell elongation and division probability during the Escherichia coli growth cycle.

H E Kubitschek, C L Woldringh
PMCID: PMC221788  PMID: 6337997

Abstract

A new method is presented for determining the growth rate and the probability of cell division (separation) during the cell cycle, using size distributions of cell populations grown under steady-state conditions. The method utilizes the cell life-length distribution, i.e., the probability that a cell will have any specific size during its life history. This method was used to analyze cell length distributions of six cultures of Escherichia coli, for which doubling times varied from 19 to 125 min. The results for each culture are in good agreement with a single model of growth and division kinetics: exponential elongation of cells during growth phase of the cycle, and normal distributions of length at birth and at division. The average value of the coefficient of variation was 13.5% for all strains and growth rates. These results, based upon 5,955 observations, support and extend earlier proposals that growth and division patterns of E. coli are similar at all growth rates and, in addition, identify the general growth pattern of these cells to be exponential.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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