CcrZ is a pneumococcal spatiotemporal cell cycle regulator that interacts with FtsZ and controls DNA replication by modulating the activity of DnaA.
CcrZ is a pneumococcal spatiotemporal cell cycle regulator that interacts with FtsZ and controls DNA replication by modulating the activity of DnaA.
复制标题
CcrZ是一种肺炎球菌时空细胞周期调节因子,与FtsZ相互作用,通过调节DnaA的活性来控制DNA复制。
DOI:
10.1038/s41564-021-00949-1
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发表时间:
2021-09
影响因子:
28.3
通讯作者:
Veening JW
中科院分区:
文献类型:
--
作者:
Gallay C;Sanselicio S;Anderson ME;Soh YM;Liu X;Stamsås GA;Pelliciari S;van Raaphorst R;Dénéréaz J;Kjos M;Murray H;Gruber S;Grossman AD;Veening JW
Most bacteria replicate and segregate their DNA concomitantly while growing, before cell division takes place. How bacteria synchronize these different cell cycle events to ensure faithful chromosome inheritance by daughter cells is poorly understood. Here, we identify Cell Cycle Regulator protein interacting with FtsZ (CcrZ) as a conserved and essential protein in pneumococci and related Firmicutes such as Bacillus subtilis and Staphylococcus aureus. CcrZ couples cell division with DNA replication by controlling the activity of the master initiator of DNA replication, DnaA. The absence of CcrZ causes mis-timed and reduced initiation of DNA replication, which subsequently results in aberrant cell division. We show that CcrZ from Streptococcus pneumoniae interacts directly with the cytoskeleton protein FtsZ, which places CcrZ in the middle of the newborn cell where the DnaA-bound origin is positioned. This work uncovers a mechanism for control of the bacterial cell cycle in which CcrZ controls DnaA activity to ensure that the chromosome is replicated at the right time during the cell cycle. In this Article, the authors identify CcrZ as a protein that coordinates DNA replication and cell division in Streptococcus pneumoniae and other Firmicutes. CcrZ is localized to the division site by binding directly to the divisome protein FtsZ, and there it activates DnaA, the master initiator of DNA replication, through a still unknown mechanism.
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影响因子:
64.8
作者:
Duderstadt, Karl E.;Chuang, Kevin;Berger, James M.
通讯作者:
Berger, James M.
影响因子:
6.4
作者:
Bisicchia P;Arumugam S;Schwille P;Sherratt D
通讯作者:
Sherratt D
影响因子:
8.8
作者:
Domenech, Arnau;Slager, Jelle;Veening, Jan-Willem
通讯作者:
Veening, Jan-Willem
影响因子:
5.2
作者:
Kleckner NE;Chatzi K;White MA;Fisher JK;Stouf M
通讯作者:
Stouf M
影响因子:
28.3
作者:
Ducret, Adrien;Quardokus, Ellen M.;Brun, Yves V.
通讯作者:
Brun, Yves V.