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divisome

  • Open Access
    Essential Role for FtsL in Activation of Septal Peptidoglycan Synthesis
    Research Article | Molecular Biology and Physiology
    Essential Role for FtsL in Activation of Septal Peptidoglycan Synthesis

    A critical step in bacterial cytokinesis is the activation of septal peptidoglycan synthesis at the Z ring. Although FtsN is the trigger and acts through FtsQLB and FtsA to activate FtsWI the mechanism is unclear.

    Kyung-Tae Park, Shishen Du, Joe Lutkenhaus
  • Open Access
    Checks and Balances in Bacterial Cell Division
    Commentary | Molecular Biology and Physiology
    Checks and Balances in Bacterial Cell Division

    Assembly of the division machinery in Gram-negative and Gram-positive bacteria occurs in two time-dependent steps. First, the FtsZ proto-ring localizes at midcell including some FtsN molecules.

    Tanneke den Blaauwen, Joen Luirink
  • Open Access
    Regulation of the Peptidoglycan Polymerase Activity of PBP1b by Antagonist Actions of the Core Divisome Proteins FtsBLQ and FtsN
    Editor's Pick Research Article | Molecular Biology and Physiology
    Regulation of the Peptidoglycan Polymerase Activity of PBP1b by Antagonist Actions of the Core Divisome Proteins FtsBLQ and FtsN

    Bacterial cell division is governed by a multiprotein complex called divisome, which facilitates a precise cell wall synthesis at midcell and daughter cell separation. Protein-protein interactions and activity studies using different combinations of the septum synthesis core of the divisome revealed that the glycosyltransferase activity of PBP1b is repressed by FtsBLQ and that the presence of FtsN or LpoB suppresses this inhibition....

    Adrien Boes, Samir Olatunji, Eefjan Breukink, Mohammed Terrak
  • Open Access
    Research Article
    Structural Analysis of the Interaction between the Bacterial Cell Division Proteins FtsQ and FtsB

    In most bacteria and archaea, filaments of FtsZ protein organize cell division. FtsZ forms a ring structure at the division site and starts the recruitment of 10 to 20 downstream proteins that together form a multiprotein complex termed the divisome. The divisome is thought to facilitate many of the steps required to make two cells out of one. FtsQ and FtsB are part of the divisome, with FtsQ being a central hub, interacting with most...

    Danguole Kureisaite-Ciziene, Aravindan Varadajan, Stephen H. McLaughlin, Marjolein Glas, Alejandro Montón Silva, Rosa Luirink, Carolin Mueller, Tanneke den Blaauwen, Tom N. Grossmann, Joen Luirink, Jan Löwe
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