Biological Nitrogen Removal Database

Escherichia coli CFT073

• Phylum : Proteobacteria
• Class : Gammaproteobacteria
• Order : Enterobacterales
• Family : Enterobacteriaceae
• Genus : Escherichia

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Respiratory nitrate reductase 2 alpha chain

• Encoding Gene:narZ
• DNA Size：5231428 bp
• Nucleotide FASTA sequence： Link

• UniProt I.D: A0A0H2V8K3

• Pro_GenBank I.D： AAN80360.1

• Length：1287 aa
• Protein FASTA_sequence: Link

• Reference：Welch et al., 2002
• Title：Extensive mosaic structure revealed by the complete genome sequence of uropathogenic Escherichia coli
• Pubmed ID：12471157.0
• Pubmed link： Link

• Full research link： Link

• Abstract：We present the complete genome sequence of uropathogenic Escherichia coli, strain CFT073. A three-way genome comparison of the CFT073, enterohemorrhagic E. coli EDL933, and laboratory strain MG1655 reveals that, amazingly, only 39.2% of their combined (nonredundant) set of proteins actually are common to all three strains. The pathogen genomes are as different from each other as each pathogen is from the benign strain. The difference in disease potential between O157:H7 and CFT073 is reflected in the absence of genes for type III secretion system or phage- and plasmid-encoded toxins found in some classes of diarrheagenic E. coli. The CFT073 genome is particularly rich in genes that encode potential fimbrial adhesins, autotransporters, iron-sequestration systems, and phase-switch recombinases. Striking differences exist between the large pathogenicity islands of CFT073 and two other well-studied uropathogenic E. coli strains, J96 and 536. Comparisons indicate that extraintestinal pathogenic E. coli arose independently from multiple clonal lineages. The different E. coli pathotypes have maintained a remarkable synteny of common, vertically evolved genes, whereas many islands interrupting this common backbone have been acquired by different horizontal transfer events in each strain.