Finding New Fundamental Pieces for the Bacterial Cell Division Puzzle
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The division of bacterial cells into two daughter cells requires a precise balance of more than a dozen highly conserved proteins that coordinate chromosome segregation with the synthesis of the novel cell envelope. The paradigms of cell division were established in rod-shaped bacteria and this fundamental process is far less characterized in spherical bacteria. In a search for novel, essential cell division proteins in Staphylococci, Myrbråten et al. used combined depletion and subcellular localization analyses to identify the staphylococcal morphology determinant, SmdA, that is exclusively found in cocci. Knockdown of smdA results in severe division defects and increased sensitivity to cell wall targeting antibiotics. Although determining the precise role of SmdA in S. aureus cell division will require further research, this study provides a striking example of how researchers can assign functions to genes that are too fundamental to cell biology to allow genetic inactivation.
Original language | English |
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Article number | e0073722 |
Journal | mBio |
Volume | 13 |
Issue number | 4 |
ISSN | 2161-2129 |
DOIs | |
Publication status | Published - 2022 |
- cell division, CRISPRi, essential genes, MRSA, PBP1, Staphylococcus aureus
Research areas
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