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Genetic analysis of uida gene expression in enterohemorrhagic escherichia coli serotype 0157 h7


, : Genetic analysis of uida gene expression in enterohemorrhagic escherichia coli serotype 0157 h7. Abstracts of the General Meeting of the American Society for Microbiology 92: 326


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Feng, P.; Lampel, K.A., 1994: Genetic analysis of uidA expression in enterohaemorrhagic Escherichia coli serotype O157:H7. Isolates of enterohaemorrhagic Escherichia coli serotype O157:H7 do not exhibit b-glucuronidase (GUD) activity; however, they carry nucleotide sequences for the uidA gene that encodes the GUD enzyme. Polymerase chain reaction analysis using uidA-s...

Zhang, L.; Chaudhuri, R., R.; Constantinidou, C.; Hobman, J., L.; Patel, M., D.; Jones, A., C.; Sarti, D.; Roe, A., J.; Vlisidou, I.; Shaw, R., K.; Falciani, F.; Stevens, M., P.; Gally, D., L.; Knutton, S.; Frankel, G.; Penn, C., W.; Pallen, M., J., 2004: Regulators encoded in the Escherichia coli type III secretion system 2 gene cluster influence expression of genes within the locus for enterocyte effacement in enterohemorrhagic E. coli 0157:H7. Enterohemorrhagic Escherichia coli (EHEC) O157:H7 subverts host cells through a type III secretion system encoded by the locus for enterocyte effacement (LEE). Genome sequencing of this pathotype revealed the existence of a gene cluster encoding c...

Louie, M.; De-Azavedo, J.C.S.; Handelsman, M.Y.C.; Clark, C.G.; Ally, B.; Dytoc, M.; Sherman, P.; Brunton, J., 1993: Expression and characterization of the eaeA gene product of Escherichia coli serotype 0157:H7. In enteropathogenic Escherichia coli, the eaeA gene produces a 94-kDa outer membrane protein called intimin which has been shown to be necessary but not sufficient to produce the attaching-and-effacing lesion. The purpose of this study was to char...

Blanco, C.; Ritzenthaler, P.; Mata-Gilsinger, M., 1982: Cloning and endonuclease restriction analysis of uidA and uidR genes in Escherichia coli K-12: determination of transcription direction for the uidA gene. The two genes of the Escherichia coli K-12 uid region (the structural gene uidA and the regulatory gene uidR) were isolated on a ColE1-uid hybrid plasmid from the bank of Clarke and Carbon. We made a restriction map of this region and correlated i...

Blanco, C.; Ritzenthaler, P.; Mata-Gilsinger, M., 1986: Negative dominant mutations of the uidR gene in Escherichia coli: genetic proof for a cooperative regulation of uidA expression. The uidA gene is the first gene involved in the hexuronide-hexuronate pathway in Escherichia coli K-12 and is under the dual control of the uidR and uxuR encoded repressors. Point mutations affecting the uidR regulatory gene were sought to investi...

Koyange, L.; Ollivier, G.; Muyembe, J.J.cques; Kebela, B.; Gouali, M.; Germani, Y., 2004: Enterohemorrhagic Escherichia coli 0157, Kinshasa. Emerging Infectious Diseases 10(5): 968-969, May

E.H.dy, H.M.A.; Halawa, M.A.; Elshenawy, S.H., 1995: Surveillance of enterohemorrhagic Escherichia coli (E. coli 0157 H7) in milks and Karesh cheese. Samples of buffalo milk, Kareish cheese and ewe milk (30 of each) collected from different localities in Cairo and Giza governorates, Egypt, were screened for the presence of enterohaemorrhagic Escherichia coli (EHEC) by plating on sorbitol MacCon...

Muniesa, M.; Jofre, J.; Garcia-Aljaro, C.; Blanch, A., R., 2006: Occurrence of Escherichia coli 0157 : H7 and other enterohemorrhagic Escherichia coli in the environment. Enterohemorrhagic Escherichia coli (EHEC) (O157 and other serotypes) are zoonotic pathogens linked with severe human illnesses. The main virulence factors of EHEC are the Shiga toxins, among others. Most of the genes coding for these toxins are b...

Albert M.J.; Bettelheim K.A., 1989: Enterohemorrhagic escherichia coli 0157 h7 in central australia. Journal of Diarrhoeal Diseases Research 7(3-4): 96-97

Anonymous, 2006: Comparison of the enterohemorrhagic Escherichia coli 0157 : H7 LEE-Encoded regulator regulon with the H-NS regulon using microarray analysis