ArticleJournal of bacteriology2001
The iron- and temperature-regulated cjrBC genes of Shigella and enteroinvasive Escherichia coli strains code for colicin Js uptake.
Article in Journal of bacteriology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 48 citations in OpenAlex.
- Major F plasmid clusters are linked with ColV and pUTI89-like marker genes in bloodstream isolates of Escherichia coli.BMC genomics · 2025Article
- Dynamics of extended-spectrum beta-lactamase-producingMicrobial genomics · 2021Article
- Escherichia coli Strains Producing Selected Bacteriocins Inhibit Porcine Enterotoxigenic Escherichia coli (ETEC) under bothApplied and environmental microbiology · 2021Article
- The identification of novel immunogenic antigens as potential Shigella vaccine components.Genome medicine · 2021Article
- cjrABC-senB hinders survival of extraintestinal pathogenic E. coli in the bloodstream through triggering complement-mediated killing.Journal of biomedical science · 2020Article
- Colicin Z, a structurally and functionally novel colicin type that selectively kills enteroinvasive Escherichia coli and Shigella strains.Scientific reports · 2019Article
- Tools and Approaches for Dissecting Protein Bacteriocin Import in Gram-Negative Bacteria.Frontiers in microbiology · 2019Review
- Clinical and microbiological characteristics of peritoneal dialysis-related peritonitis caused by Escherichia coli in southern Taiwan.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2018Article
- Colicin FScientific reports · 2018Article
- Genome Dynamics ofFrontiers in cellular and infection microbiology · 2017Article
- Human extraintestinal pathogenic Escherichia coli strains differ in prevalence of virulence factors, phylogroups, and bacteriocin determinants.BMC microbiology · 2016Article
- Microcin determinants are associated with B2 phylogroup of human fecal Escherichia coli isolates.MicrobiologyOpen · 2016Article
- Determinants encoding fimbriae type 1 in fecal Escherichia coli are associated with increased frequency of bacteriocinogeny.BMC microbiology · 2015Article
- Bacteriocin-encoding genes and ExPEC virulence determinants are associated in human fecal Escherichia coli strains.BMC microbiology · 2014Article
- Specific TonB-ExbB-ExbD energy transduction systems required for ferric enterobactin acquisition in Campylobacter.FEMS microbiology letters · 2013Article
- Novel colicin Fy of Yersinia frederiksenii inhibits pathogenic Yersinia strains via YiuR-mediated reception, TonB import, and cell membrane pore formation.Journal of bacteriology · 2012Article
- Identification of Escherichia coli genes associated with urinary tract infections.Journal of clinical microbiology · 2012Article
- Virulence plasmid harbored by uropathogenic Escherichia coli functions in acute stages of pathogenesis.Infection and immunity · 2010Article
- Pathogenomics of the virulence plasmids of Escherichia coli.Microbiology and molecular biology reviews : MMBR · 2009Review
- Overproduction, purification and preliminary X-ray diffraction analysis of YncE, an iron-regulated Sec-dependent periplasmic protein from Escherichia coli.Acta crystallographica. Section F, Structural biology and crystallization communications · 2008Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A cosmid library of DNA from colicin Js-sensitive enteroinvasive Escherichia coli (EIEC) strain O164 was made in colicin Js-resistant strain E. coli VCS257, and colicin Js-sensitive clones were identified. Sensitivity to colicin Js was associated with the carriage of a three-gene operon upstream of and partially overlapping senB. The open reading frames were designated cjrABC (for colicin Js receptor), coding for proteins of 291, 258, and 753 amino acids, respectively. Tn7 insertions in any of them led to complete resistance to colicin Js. A near-consensus Fur box was found upstream of cjrA, suggesting regulation of the cjr operon by iron levels. CjrA protein was homologous to iron-regulated Pseudomonas aeruginosa protein PhuW, whose function is unknown; CjrB was homologous to the TonB protein from Pseudomonas putida; and CjrC was homologous to a putative outer membrane siderophore receptor from Campylobacter jejuni. Cloning experiments showed that the cjrB and cjrC genes are sufficient for colicin Js sensitivity. Uptake of colicin Js into sensitive bacteria was dependent on the ExbB protein but not on the E. coli K-12 TonB and TolA, -B, and -Q proteins. Sensitivity to colicin Js is positively regulated by temperature via the VirB protein and negatively controlled by the iron source through the Fur protein. Among EIEC strains, two types of colicin Js-sensitive phenotypes were identified that differed in sensitivity to colicin Js by 1 order of magnitude. The difference in sensitivity to colicin Js is not due to differences between the sequences of the CjrB and CjrC proteins.
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