PMID:8288550
| Citation |
Kajitani, M, Kato, A, Wada, A, Inokuchi, Y and Ishihama, A (1994) Regulation of the Escherichia coli hfq gene encoding the host factor for phage Q beta. J. Bacteriol. 176:531-4 |
|---|---|
| Abstract |
The host factor (HF-I) for phage Q beta RNA replication is a small protein of 102 amino acid residues encoded by the hfq gene at 94.8 min on the Escherichia coli chromosome. The synthesis rate of HF-I at the exponential-growth phase is higher than at the stationary phase, and it increases concomitantly with the increase in cell growth rate. The intracellular level of HF-I is about 30,000 to 60,000 molecules per cell, the majority being associated with ribosomes as one of the salt wash proteins. Taken together, we suggest that HF-I is one of the growth-related proteins. |
| Links | |
| Keywords |
Allolevivirus/growth & development; Carrier Proteins/genetics; Carrier Proteins/isolation & purification; Carrier Proteins/metabolism; Cell Fractionation; Escherichia coli/genetics; Escherichia coli/metabolism; Escherichia coli Proteins; Gene Expression Regulation, Bacterial; Genes, Bacterial/genetics; Host Factor 1 Protein; Integration Host Factors |
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