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PMID:21401734
| Citation |
Steele, VR, Bottomley, AL, Garcia-Lara, J, Kasturiarachchi, J and Foster, SJ (2011) Multiple essential roles for EzrA in cell division of Staphylococcus aureus. Mol. Microbiol. 80:542-55 |
|---|---|
| Abstract |
In Bacillus subtilis, EzrA is involved in preventing aberrant formation of FtsZ rings and has also been implicated in the localization cycle of Pbp1. We have identified the orthologue of EzrA in Staphylococcus aureus to be essential for growth and cell division in this organism. Phenotypic analyses following titration of EzrA levels in S. aureus have shown that the protein is required for peptidoglycan synthesis as well as for assembly of the divisome at the midcell and cytokinesis. Protein interaction studies revealed that EzrA forms a complex with both the cytoplasmic components of the division machinery and those with periplasmic domains, suggesting that EzrA may be a scaffold molecule permitting the assembly of the division complex and forming an interface between the cytoplasmic cytoskeletal element FtsZ and the peptidoglycan biosynthetic apparatus active in the periplasm. |
| Links |
PubMed Online version:10.1111/j.1365-2958.2011.07591.x |
| Keywords |
Bacterial Proteins/genetics; Bacterial Proteins/metabolism; Cell Division; Genes, Essential; Peptidoglycan/metabolism; Protein Interaction Mapping; Staphylococcus aureus/genetics; Staphylococcus aureus/physiology |
| edit table |
Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0051301 : cell division |
ECO:0000315: |
P |
Figure 4. Wild-type expression of EzrA showed smaller cells, while the larger cells lacked sufficient EzrA, indicating they were unable to divide. |
complete | ||||
| GO:0007049: cell cycle |
ECO:0000314: |
P |
Figure 2. Shows that EzrA is needed for cell growth. |
complete | ||||
See also
References
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