Feature Papers in Population and Evolutionary Genetics and Genomics 2024

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Population and Evolutionary Genetics and Genomics".

Deadline for manuscript submissions: closed (20 December 2024) | Viewed by 877

Special Issue Editor

Special Issue Information

Dear Colleagues,

This Special Issue aims to collect high-quality research articles, review articles and communications on advances in the research area of population and evolutionary genetics and genomics. As such, we encourage Editorial Board Members of the Section “Population and Evolutionary Genetics and Genomics” to contribute feature papers reflecting the latest progress in their research field, or to invite relevant senior experts and colleagues to make contributions to this Special Issue. We aim to represent our Section as an attractive open access publishing platform for population genetics research. The topics of interest include, but are not limited to:

  • Genetic polymorphism;
  • Geographic variation;
  • Gene flow and introgression;
  • Selection in natural populations;
  • Phylogenetics;
  • Metagenomics;
  • Ancient DNA.

Prof. Dr. Zissis Mamuris
Guest Editor

Maria-Anna Kyrgiafini
Guest Editor Assistant

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Keywords

  • genetic polymorphism
  • geographic variation
  • gene flow and introgression
  • selection in natural populations
  • phylogenetics
  • metagenomics
  • ancient DNA

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Published Papers (1 paper)

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Research

11 pages, 1353 KiB  
Article
Concordant Patterns of Population Genetic Structure in Food-Deceptive Dactylorhiza Orchids
by Ada Wróblewska, Beata Ostrowiecka, Edyta Jermakowicz and Izabela Tałałaj
Genes 2025, 16(1), 67; https://doi.org/10.3390/genes16010067 - 8 Jan 2025
Viewed by 439
Abstract
Background: The patterns of inbreeding coefficients (FIS) and fine spatial genetic structure (FSGS) were evaluated regarding the mating system and inbreeding depression of food-deceptive orchids, Dactylorhiza majalis, Dactylorhiza incarnata var. incarnata, and Dactylorhiza fuchsii, from NE Poland. [...] Read more.
Background: The patterns of inbreeding coefficients (FIS) and fine spatial genetic structure (FSGS) were evaluated regarding the mating system and inbreeding depression of food-deceptive orchids, Dactylorhiza majalis, Dactylorhiza incarnata var. incarnata, and Dactylorhiza fuchsii, from NE Poland. Methods: We used 455 individuals, representing nine populations of three taxa and AFLPs, to estimate percent polymorphic loci and Nei’s gene diversity, which are calculated using the Bayesian method; FIS; FST; FSGS with the pairwise kinship coefficient (Fij); and AMOVA in populations. Results: We detected a relatively high proportion of polymorphic fragments (40.4–68.4%) and Nei’s gene diversity indices (0.140–0.234). The overall FIS was relatively low to moderate (0.071–0.312). The average Fij for the populations of three Dactylorhiza showed significantly positive values, which were observed between plants at distances of 1–10 m (20 m). FST was significant in each Dactylorhiza taxon, ranging from the lowest values in D. fuchsii and D. majalis (0.080–0.086, p < 0.05) to a higher value (0.163, p < 0.05) in D. incarnata var. incarnata. Molecular variance was the highest within populations (76.5–86.6%; p < 0.001). Conclusions: We observed concordant genetic diversity patterns in three food-deceptive, allogamous, pollinator-dependent, and self-compatible Dactylorhiza. FIS is often substantially higher than Fij with respect to the first class of FSGSs, suggesting that selfing (meaning of geitonogamy) is at least responsible for homozygosity. A strong FSGS may have evolutionary consequences in Dactylorhiza, and combined with low inbreeding depression, it may impact the establishment of inbred lines of D. majalis and D. incarnata var. incarnata. Full article
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