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© Research
Publication : Journal of bacteriology

Timing of FtsZ assembly in Escherichia coli

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of bacteriology - 01 Sep 1999

Den Blaauwen T, Buddelmeijer N, Aarsman ME, Hameete CM, Nanninga N

Link to Pubmed [PMID] – 10464184

J. Bacteriol. 1999 Sep;181(17):5167-75

The timing of the appearance of the FtsZ ring at the future site of division in Escherichia coli was determined by in situ immunofluorescence microscopy for two strains grown under steady-state conditions. The strains, B/rA and K-12 MC4100, differ largely in the duration of the D period, the time between termination of DNA replication and cell division. In both strains and under various growth conditions, the assembly of the FtsZ ring was initiated approximately simultaneously with the start of the D period. This is well before nucleoid separation or initiation of constriction as determined by fluorescence and phase-contrast microscopy. The durations of the Z-ring period, the D period, and the period with a visible constriction seem to be correlated under all investigated growth conditions in these strains. These results suggest that (near) termination of DNA replication could provide a signal that initiates the process of cell division.

http://www.ncbi.nlm.nih.gov/pubmed/10464184