Population Genetics of Plant Species
Summary
Population genetics in plants examines how genetic variation is distributed within and among populations and the evolutionary processes that shape these patterns. Core factors include mutation, natural selection, genetic drift and gene flow, all acting on different life-history traits such as breeding systems, dispersal mechanisms and geographic range. Advances in molecular markers—from microsatellites to high-throughput sequencing—have enabled detailed assessments of diversity, structure and demographic history across wild and cultivated species. Insights gained inform conservation strategies for threatened taxa, guide sustainable use of genetic resources in agroecosystems and enhance our understanding of adaptation to changing climates. By linking genotype to ecology and landscape, researchers can predict responses to habitat fragmentation, identify refugial populations and support restoration or assisted-migration efforts on a global scale.
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Population Genetics of Plant Species publication trend
The graph below shows the total number of articles in population genetics of plant species across all publications each year (not limited to Nature Index journals).
Technical terms
Genetic diversity: The variety of alleles and genotypes within and among populations of a species.
Population structure: The non-random distribution of genetic variation caused by factors such as geographic separation or reproductive system.
Gene flow: The movement of genes between populations through dispersal of pollen or seed, influencing connectivity.
Microsatellites: Short, repeating sequences of DNA used as genetic markers to assess diversity and relatedness.
Haplotype: A combination of alleles at multiple loci on the same chromosome that are inherited together and used to trace lineage history.
References
- Characterizing the genetic diversity of the Andean blueberry (Vaccinium floribundum Kunth.) across the Ecuadorian Highlands. PLOS ONE (2020).
- Conservation genetics of the threatened plant species Physaria filiformis (Missouri bladderpod) reveals strong genetic structure and a possible cryptic species. PLOS ONE (2021).
- Genomic Screening to Identify Food Trees Potentially Dispersed by Precolonial Indigenous Peoples. Genes (2022).
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