Literature DB >> 11319125

Mutations in the csgD promoter associated with variations in curli expression in certain strains of Escherichia coli O157:H7.

G A Uhlich1, J E Keen, R O Elder.   

Abstract

Single-base-pair csgD promoter mutations in human outbreak Escherichia coli O157:H7 strains ATCC 43894 and ATCC 43895 coincided with differential Congo red dye binding from curli fiber expression. Red phenotype csgD::lacZ promoter fusions had fourfold-greater expression than white promoter fusions. Cloning the red variant csgDEFG operon into white variants induced the red phenotype. Substrate utilization differed between red and white variants.

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Year:  2001        PMID： 11319125      PMCID： PMC92880          DOI： 10.1128/AEM.67.5.2367-2370.2001

Source DB:  PubMed          Journal:  Appl Environ Microbiol        ISSN： 0099-2240            Impact factor:   4.792


  16 in total

1.  Genotypic variation in pathogenic Escherichia coli O157:H7 isolated from patients in Washington, 1984-1987.

Authors:  P I Tarr; M A Neill; C R Clausen; J W Newland; R J Neill; S L Moseley
Journal:  J Infect Dis       Date:  1989-02       Impact factor: 5.226

2.  Primer-directed enzymatic amplification of DNA with a thermostable DNA polymerase.

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3.  Prevalence of Escherichia coli O157:H7 in range beef calves at weaning.

Authors:  W W Laegreid; R O Elder; J E Keen
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4.  Purification and characterization of thin, aggregative fimbriae from Salmonella enteritidis.

Authors:  S K Collinson; L Emödy; K H Müller; T J Trust; W W Kay
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5.  The RpoS sigma factor relieves H-NS-mediated transcriptional repression of csgA, the subunit gene of fibronectin-binding curli in Escherichia coli.

Authors:  A Olsén; A Arnqvist; M Hammar; S Sukupolvi; S Normark
Journal:  Mol Microbiol       Date:  1993-02       Impact factor: 3.501

6.  A multistate outbreak of Escherichia coli O157:H7-associated bloody diarrhea and hemolytic uremic syndrome from hamburgers. The Washington experience.

Authors:  B P Bell; M Goldoft; P M Griffin; M A Davis; D C Gordon; P I Tarr; C A Bartleson; J H Lewis; T J Barrett; J G Wells
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Authors:  A Arnqvist; A Olsén; S Normark
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8.  Fibronectin binding mediated by a novel class of surface organelles on Escherichia coli.

Authors:  A Olsén; A Jonsson; S Normark
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9.  Plasminogen, absorbed by Escherichia coli expressing curli or by Salmonella enteritidis expressing thin aggregative fimbriae, can be activated by simultaneously captured tissue-type plasminogen activator (t-PA).

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  48 in total

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7.  Synergistic role of curli and cellulose in cell adherence and biofilm formation of attaching and effacing Escherichia coli and identification of Fis as a negative regulator of curli.

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10.  Hha controls Escherichia coli O157:H7 biofilm formation by differential regulation of global transcriptional regulators FlhDC and CsgD.

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