Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/60322
標題: Identification and analysis of the regulatory region R & R* with the cnf1 gene encoding the cytotoxic necrotizing factor type 1 that closely links to the lux regulon of Vibrio fischeri
作者: Lin, J.W.
翁淑芬
Chen, L.M.
Chen, H.Y.
Weng, S.F.
關鍵字: acyl-protein synthetase
photobacterium-leiognathi
nucleotide-sequence
bacterial bioluminescence
escherichia-coli
functional-analysis
factor-i
operon
harveyi
expression
期刊/報告no:: Biochemical and Biophysical Research Communications, Volume 250, Issue 2, Page(s) 462-465.
摘要: Nucleotide sequence of the regulatory region R&R* and the partial 5'-end of the cnf1 gene (GenBank Accession No. AF023157) of Vibrio fischeri ATCC 7744 has been determined, and the cytotoxic necrotizing factor 1 (CNF1) encoded by the cnf1 gene is deduced. Alignment and comparison of the cytotoxic necrotizing factor Is of V. fischeri and E. coli show that they are homologous. Nucleotide sequence reveals that the cnf1 gene is closely linked to the lux regulon in genome; the gene order of the cnf1 gene and the lux regulon is <--cnf1-R&R*<--rrn-<--luxR-R&R-luxI-luxC-luxD-luxA-luxB-luxE-luxG-Omega-->, whereas R&R is the regulatory region of the lux regulon, and R&R* is the regulatory region of the cnf1 gene; the sequence (similar to)2 kb lay between the luxR gene of the lux regulon and the cnf1 gene is an rrn-like operon. It is unexpected to find the cnf1 gene in V. fischeri, since the CNF1 protein enables necrosis; the marine luminous bacterium V. fischeri is never to be identified as a pathogenic microbe. The cnf1 gene might be concerned with symbiosis of the luminous bacteria and host fishes. (C) 1998 Academic Press.
URI: http://hdl.handle.net/11455/60322
ISSN: 0006-291X
文章連結: http://dx.doi.org/10.1006/bbrc.1998.9325
Appears in Collections:分子生物學研究所

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