Related Experiment Video
Updated: Jun 3, 2025

07:56
Author Spotlight: Advanced Enteroid Model for Studying Host-Pathogen Interactions
Published on: April 5, 2024
1.8K
Integrating hybridization and introgression into host-parasite epidemiology, ecology, and evolution
Ben Lukubye1, David J Civitello1
1Department of Biology, Emory University, Atlanta, GA 30322, USA.
Trends in Parasitology
|January 10, 2025
Summary
Hybridization between host and parasite species creates novel genotypes with altered disease traits. Understanding these hybrid genotypes is crucial for managing emerging infectious diseases in a changing world.
Area of Science:
- Ecology
- Evolutionary Biology
- Epidemiology
Background:
- Hybridization and introgression between host or parasite species are increasing due to climate change and urbanization.
- These crosses can generate novel genotypes with altered traits like transmission rate, virulence, and resistance.
- The impact of hybridization on host-parasite interactions is underappreciated in current research.
Purpose of the Study:
- To address the emergence and relevance of eukaryotic hybrid genotypes in disease dynamics.
- To explore the implications of hybridization for host-parasite epidemiology, ecology, and evolution.
Main Methods:
- This study is a theoretical exploration and synthesis of existing research.
- It addresses pressing questions regarding the emergence and impact of hybrid genotypes.
Main Results:
- Hybridization can lead to novel parasite and host genotypes with potentially significant impacts on disease dynamics.
- The study highlights the need for greater empirical and theoretical attention to these phenomena.
Conclusions:
- Hybrid genotypes pose emerging challenges for human, plant, and animal health.
- Further research is needed to fully understand and predict the consequences of hybridization for disease dynamics and evolution.
Related Concept Videos
Hybrid Zones
16.8K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
16.8K
Genetics of Speciation
19.0K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
19.0K
Formation of Species
39.0K
Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
39.0K
Gene Flow
34.7K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
34.7K
Mutation, Gene Flow, and Genetic Drift
58.0K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
58.0K
Epistasis
45.7K
In addition to multiple alleles at the same locus influencing traits, numerous genes or alleles at different locations may interact and influence phenotypes in a phenomenon called epistasis. For example, rabbit fur can be black or brown depending on whether the animal is homozygous dominant or heterozygous at a TYRP1 locus. However, if the rabbit is also homozygous recessive at a locus on the tyrosinase gene (TYR), it will have an unshaded coat that appears white, regardless of its TYRP1...
45.7K

