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A reduction in effective population size has not relaxed purifying selection in the human population of Eivissa (Balearic Islands).
Sci Rep
January 2025
Departament de Medicina i Ciències de la Vida, Institut de Biologia Evolutiva (CSIC-UPF), Universitat Pompeu Fabra, Dr. Aiguader 88, Barcelona, 08003, Catalonia, Spain.
Ibiza (Eivissa) is one of the main Balearic Islands in the western Mediterranean. Recent studies have highlighted the genetic distinctiveness of present-day Eivissans within the region and suggested it could be attributed to the genetic drift caused by recent demographic events. Whether this distinctiveness emerged from a differential demographic history, or rather from a bias for sampling in a small geographic region such as Eivissa, remains an open question, together with the understanding of the functional consequences of demography in the island.
View Article and Find Full Text PDFGenetic Diversity and Association Analysis of Traits Related to Water-Use Efficiency and Nitrogen-Use Efficiency of Based on SSR Markers.
Int J Mol Sci
October 2024
State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China.
Article Synopsis
- The study focuses on enhancing poplar tree productivity for bioenergy in water-limited regions of northern China by identifying effective molecular markers for breeding resource-efficient varieties.
- Researchers analyzed 188 poplar genotypes using various genetic analysis methods, revealing high genetic diversity and significant inbreeding within populations.
- The association study found that 11 specific markers were significantly linked to traits related to water-use and nitrogen-use efficiency, which could assist in developing better-performing poplar varieties for bioenergy.
Cryptic population structure and insecticide resistance in Anopheles gambiae from the southern Democratic Republic of Congo.
Sci Rep
September 2024
Unit of Entomology, Department of Parasitology, Institut National de Recherche Biomédicale, 5345 Avenue De La Démocratie, Gombe, Kinshasa, République Démocratique du Congo.
Article Synopsis
- The Democratic Republic of Congo has a big problem with malaria, and it's important to know how mosquitoes that spread it are affected by insecticides, especially since they mainly use treated nets to fight the disease.
- Scientists studied mosquitoes from three different areas in southern Congo and found that many of these mosquitoes are becoming resistant to the insecticides used on the nets, especially in the Kimpese area.
- By looking at the genetic makeup of these mosquitoes, they discovered differences between some populations, suggesting that resistance is connected to certain genes, and a specific gene in Kimpese might be a key factor for understanding this resistance better.
Inter and intra population genetic variability in ducks under conservation programs.
Poult Sci
November 2024
Department of Genetics and Animal Breeding, Poznan University of Life Sciences, 60-637 Poznan, Poland. Electronic address:
This study focuses on estimation of the inter and intra population genetic variability of 6 duck populations. Microsatellite loci were used to assess the genetic variation and population structure of 6 duck populations under a conservation program in Poland. DNA polymorphism was assessed using 24 microsatellite markers and 50 individuals from each population.
View Article and Find Full Text PDFDanzhou chicken: a unique genetic resource revealed by genome-wide resequencing data.
Poult Sci
August 2024
School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China. Electronic address:
Danzhou chicken (DZ) is a local breed in China noted for its strong adaptability, roughage resistance, strong wildness, and delicious taste, thus containing important genetic resources. In this study, genome re-sequencing data was generated from 200 DZ chickens. Combined with previously generated data from 72 additional chickens across six other exotic and local breeds, these data were used to systematically evaluate the germplasm characteristics of DZ chickens from a genomic perspective.
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