identification and purification of f11 fimbriae on avian pathogenic escherichia coli

Identification and Purification of F11 Fimbriae on Avian Pathogenic Escherichia coli

Determination of P (F11) and F1 fimbriae of Escherichia coli isolated from avian cellulitis

Avian cellulitis has been induced by virulent strains of E. coli. The purpose of this study was to determine P (F11) and F1 fimbriae of 90 E. coli isolates of avian cellulitis. Isolates were subjected to six consecutive passages on solid and static broth for expression of fimbriae. Five (5.5%) isolates from O1 serogroup, showed a mannose-resistant haemagglutination MRHA pattern when grown on so...

papA gene of avian pathogenic Escherichia coli.

P fimbrial adhesins may be associated with the virulence of avian pathogenic Escherichia coli (APEC). However, most APECs are unable to express P fimbriae even when they are grown under conditions that favor P fimbrial expression. This failure can be explained by the complete absence of the pap operon or the presence of an incomplete pap operon in Pap-negative APEC strains. In the present study...

Avian Pathogenic Escherichia coli (APEC) - an update on the control

Escherichia coli is a common inhabitant of the gastrointestinal tracts of humans and animals. Commensal E. coli, designated as nonpathogenic, are considered to be the majority. This microorganism can be divided into two large groups: pathogenic and commensal E. coli. The pathogenic group is characterized by two more pathotypes: diarrheagenic E. coli (DEC) (with eight subpathotypes) and extraint...

Breast Muscle Characteristics of Avian Pathogenic Escherichia Coli Infected Broilers Fed with Antibiotics or Probiotic

The study was conducted to evaluate the impact of feeding multistrain probiotic on breast muscle characteristics of avian pathogenic Escherichia coli (APEC) infected broilers. Three hundred and thirty six Lohmann MB-202 day-old-chicks were divided to four treatment groups, including CNTRL (chicks receiving basal diet and not infected), APEC (chicks receiving basal diet and infected with APEC), ...

Isolation, Identification and in vitro Susceptibility of Avian Escherichia coli to Selected Fluoroquinolones