Streptomyces lividans에서 secE 유전자의 클로닝과 염기서열 결정

  • 김순옥 (명지대학교 자연과학연구소 생명과학과) ;
  • 서주원 (명지대학교 자연과학연구소 생명과학과 Tel. 82-335-30-6190 E-mail : jwsuh@bioserver.myongji.ac.kr)
  • Published : 1997.06.01

Abstract

The secE gene of Streptomyces lividans TK24 was cloned by the polymerase chain reaction method with synthetic oligonucleo- tide primers designed on the basis of the nucleotide sequences of Streptomyces coelicolor secE-nusG-rplK operon. The deduced amino acid sequences of the SecE were highly homologous to those of other known SecE protein, that is 36.8%, 30.4%, 80.0%, and 80.9%, similarity to E. coli, Bacillus subtilis, Streptomyces griseus, Streptomyces virginiae SecE, respectively and exactly same with Streptomyces coelicolor SecE. It means that in spite of evolutionary differences, the genes for protein translocation machinery are highly conserved in eubacteria. The gene organization of secE-nusG-rplK is also similar to that of E. coli, B. subtilis, and streptomycetes.

Keywords

References

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