Coevolution between a Host and Parasite
Host-Parasite Coevolution: Evidence for Rare Advantage and Time-Lagged Selection in a Natural Population
Key Terms
Introduction
Natural History
Methods
Examination of glacial lake in New Zealand for evidence of parasite host coevolution in a natural population
Evidence for genetic change
3 Part Study
Model
Theoretical Question
Results of genetic analysis of random sample from natural host snail population
Lab Infection Experiment
Does this system display coevolution?
Red Queen Hypothesis
Questions & Comments
A Model System For Coevolution: Avian Brood Parasitism
Interspecific obligate brood parasitism involves:
Brood Parasitism as Coevolution
Parasites: Cowbirds
Cowbird Natural History
Parasites: Cuckoos
Other Parasites Species
Hosts
Frequency of Parasitism
Coevolutionary Layers
Layer One: Brood Parasitism
PPT Slide
Layer Two: Host defenses in response to brood parasitism
Layer Three: Parasite Counterdefenses
Layer Four: Host Counterdefenses
Conclusion & Discussion
Download presentation source