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SUMMARY:Rapid host-pathogen co-evolution following a severe emerging infec
 tious outbreak - Dr Camille Bonneaud\, Senior Lecturer in Evolutionary Bio
 logy\, University of Exeter
DTSTART:20171129T160000Z
DTEND:20171129T170000Z
UID:TALK73075@talks.cam.ac.uk
CONTACT:Fiona Roby
DESCRIPTION:In 1994\, Mycoplasma gallisepticum\, a common bacterial pathog
 en of poultry\, jumped into house finches (Haemorhous mexicanus) and rapid
 ly spread in the entire eastern North American finch population\, causing 
 the death of millions. This emerging infectious disease outbreak is one of
  the best documented natural epizootic to date and therefore offers unique
  opportunities to test key questions regarding host shifting and host-path
 ogen co-evolution. Host resistance was found to have spread from standing 
 genetic variation within 12 years of disease exposure only\, and was assoc
 iated with parallel changes in pathogen virulence. Here I discuss the phen
 otypic changes that took place over the course of the epizootic in both th
 e host and the pathogen\, and show that these phenotypic changes gave rise
  to significant increases in host and pathogen fitness\, as expected under
  an antagonistic co-evolution scenario.
LOCATION:Lecture Theatre 2\, Department of Veterinary Medicine
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