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PMID:20875395
| Citation |
Ling, H, Kang, A, Tan, MH, Qi, X and Chang, MW (2010) The absence of the luxS gene increases swimming motility and flagella synthesis in Escherichia coli K12. Biochem. Biophys. Res. Commun. 401:521-6 |
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| Abstract |
Despite the significant role of S-ribosylhomocysteinase (LuxS) in the activated methyl cycle pathway and quorum sensing, the connectivity between luxS and other cellular functions remains incomplete. Herein, we show that luxS deletion significantly increases swimming motility and flagella synthesis in Escherichia coli K12 using motility, transcriptome, and scanning electron microscopy assays. Further, based on the transcriptome and network component analyses, and known regulatory relations, we propose a conceptual genetic regulatory network underlying the increased flagella synthesis in response to luxS deletion. |
| Links |
PubMed Online version:10.1016/j.bbrc.2010.09.080 |
| Keywords |
Bacterial Proteins/genetics; Bacterial Proteins/physiology; Carbon-Sulfur Lyases/genetics; Carbon-Sulfur Lyases/physiology; Escherichia coli K12/genetics; Escherichia coli K12/physiology; Flagella/genetics; Flagella/physiology; Gene Deletion; Gene Expression Regulation, Bacterial |
| edit table |
Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0071977: bacterial-type flagellum-dependent swimming motility |
ECO:0000315: |
P |
Figure 1- E. coli LuxS mutant strain shows increased swimming motility compared to WT E. coli strain in motility buffer. Figure 3- E.coli LuxS mutant strain shows complete formation of functional flagella whereas WT e. coli do not in motility buffer. |
complete | ||||
See also
References
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