Avian E. coli: Diverse Threats & Risks
- Here's a breakdown of the provided text,summarizing the key information:
- * APEC Causes Disease: APEC is a harmful strain of E.
- * University of Surrey * University of bristol * Poultry Health Services
Here’s a breakdown of the provided text,summarizing the key information:
Main Topic: Research into Avian Pathogenic E. coli (APEC) and its varying strains.
Key Findings:
* APEC Causes Disease: APEC is a harmful strain of E. coli that causes illness (colibacillosis) in poultry, leading to financial losses and welfare concerns.
* ST-101 Dominant in UK Outbreak: A previously under-recognized strain, ST-101, was found to be the primary cause of a recent turkey outbreak in the UK (nearly 60% of cases).
* Strain Differences in Invasion & Survival: Different APEC strains have varying abilities to invade and survive within chicken cells (gut and immune cells). ST-101, ST-95, and ST-140 were better at this than ST-23 and ST-117.
* Lethality Doesn’t Equal Invasion: The ST-117 strain, while less effective at invading cells, was the most lethal in an insect infection model, indicating different disease mechanisms.
* One-Size-Fits-All Approach Fails: Current control methods (like vaccination) targeting specific strains are insufficient because APEC is constantly evolving.
Research Institutions Involved:
* University of Surrey
* University of bristol
* Poultry Health Services
Publication:
* The study was published in the journal Virulence.
Implication:
* The research highlights the need for more adaptable and extensive strategies to combat APEC infections in poultry.
Image information:
The text is accompanied by an image of poultry,with multiple versions available at different resolutions:
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* The image is captioned: “avian Pathogenic E. coli, or simply APEC, is an extra-intestinal subgroup of pathogenic Escherichia coli that can cause disease in susceptible poultry, most commonly leading to clinical colibacillosis.”