recA gene expression in a streptomycete is mediated by the unusual C-terminus of RecA protein (CROSBI ID 113843)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ahel, Ivan ; Mikoč, Andreja ; Gamulin, Vera
engleski
recA gene expression in a streptomycete is mediated by the unusual C-terminus of RecA protein
Streptomyces RecA proteins are characterized by a conserved, positively charged extension of unknown function appended at their C-termini. To investigate the function of this element, we introduced Streptomyces rimosus recA gene and its mutant form encoding the protein with a C-terminal deletion into S. rimosus. Both transcript and protein levels were dramatically increased in the strain expressing the truncated gene compared to the strain bearing the wild-type recA, indicating involvement of the characteristic C-terminal extension in regulating the recA expression in Streptomyces. Considering that RecA acts as a major regulator of DNA damage response in bacteria, this mode of regulation is expected to have broader implications and significance that outreaches our current understanding of RecA autoregulation.
RecA ; Streptomyces ; C-terminus ; Transcription ; DNA damage response ; Promoter
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Podaci o izdanju
248 (1)
2005.
119-124
objavljeno
0378-1097
1574-6968
10.1016/j.femsle.2005.05.030