Virulence factors of Escherichia coli serotypes associated with avian colisepticaemia |
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| Authors: | La Ragione R M Woodward M J |
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| Institution: | Department of Bacterial Diseases, Veterinary Laboratories Agency (Weybridge), Woodham Lane, New Haw, Addlestone, Surrey KT15 3NB, UK. r.laragione@vla.defra.gsi.gov.uk |
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| Abstract: | The current understanding of the pathogenesis of avian pathogenic Escherichia coli (APEC) in colisepticaemia is limited. This review discusses putative virulence determinants per se, such as a number of surface organelles including fimbriae and flagella; together with other factors such as iron sequestering mechanisms, which are involved in the survival of E. coli in the host rather than initiation of infection. It is concluded that avian colisepticaemia is a multi-factorial disease and that to date only a limited number of virulence factors of APEC have been thoroughly elucidated. |
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