The reactivation of DnaA(L366K) requires less acidic phospholipids supporting their role in the initiation of chromosome replication in Escherichia coli

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Abstract

DnaA(L366K), in concert with a wild-type DnaA (wtDnaA) protein, restores the growth of Escherichia coli cells arrested in the absence of adequate levels of cellular acidic phospholipids. In vitro and in vivo studies showed that DnaA(L366K) alone does not induce the initiation of replication, and wtDnaA must also be present. Hitherto the different behavior of wt and mutant DnaA were not understood. We now demonstrate that this mutant may be activated at significantly lower concentrations of acidic phospholipids than the wild-type protein, and this may explain the observed growth restoration in vivo. © 2007 Federation of European Biochemical Societies.

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Aranovich, A., Parola, A. H., & Fishov, I. (2007). The reactivation of DnaA(L366K) requires less acidic phospholipids supporting their role in the initiation of chromosome replication in Escherichia coli. FEBS Letters, 581(23), 4439–4442. https://doi.org/10.1016/j.febslet.2007.08.019

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