ArticleEvolutionary applications2013
Genetic variation and risks of introgression in the wild Coffea arabica gene pool in south-western Ethiopian montane rainforests.
Article in Evolutionary applications, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed.
- Tracing the Holocene hybrid origin of cultivated walnut in southwestern China.Forestry research · 2026Article
- Population structure and genetic diversity of a coffee germplasm collection in China revealed by RAD-seq.Frontiers in plant science · 2025Article
- Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world.Communications biology · 2024Review
- Crop-to-wild gene flow in wild coffee species: the case of Coffea canephora in the Democratic Republic of the Congo.Annals of botany · 2024Article
- Hybrids as mirrors of the past: genomic footprints reveal spatio-temporal dynamics and extinction risk of alpine extremophytes in the mountains of Central Asia.Frontiers in plant science · 2024Article
- Genomic Evaluation ofPlants (Basel, Switzerland) · 2023Article
- Ecology, evolution, and conservation of Ethiopia's biodiversity.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Contrasting coffee leaf rust epidemics between forest coffee and semi-forest coffee agroforestry systems in SW-Ethiopia.Heliyon · 2022Article
- Whole-genome resequencing of Coffea arabica L. (Rubiaceae) genotypes identify SNP and unravels distinct groups showing a strong geographical pattern.BMC plant biology · 2022Article
- Genetic diversity of wild and cultivated Coffea canephora in northeastern DR Congo and the implications for conservation.American journal of botany · 2021Article
- Resequencing 93 accessions of coffee unveils independent and parallel selection during Coffea species divergence.Plant molecular biology · 2020Article
- Population structure and genetic relationships between Ethiopian and Brazilian Coffea arabica genotypes revealed by SSR markers.Genetica · 2019Article
- Least concern to endangered: Applying climate change projections profoundly influences the extinction risk assessment for wild Arabica coffee.Global change biology · 2019Article
- High extinction risk for wild coffee species and implications for coffee sector sustainability.Science advances · 2019Article
- Crop-to-wild hybridization in cherries-Empirical evidence fromEvolutionary applications · 2018Article
- Genome-wide association study reveals candidate genes influencing lipids and diterpenes contents in Coffea arabica L.Scientific reports · 2018Article
- COP-eration for global food security.F1000Research · 2016Article
- Anthropogenic and natural drivers of gene flow in a temperate wild fruit tree: a basis for conservation and breeding programs in apples.Evolutionary applications · 2015Article
- Fragmentation and management of Ethiopian moist evergreen forest drive compositional shifts of insect communities visiting wild Arabica coffee flowers.Environmental management · 2015Article
- Genetic diversity of natural orchardgrass (Dactylis glomerata L.) populations in three regions in Europe.BMC genetics · 2013Article
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9 authors.
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Abstract
The montane rainforests of SW Ethiopia are the primary centre of diversity of Coffea arabica and the origin of all Arabica coffee cultivated worldwide. This wild gene pool is potentially threatened by forest fragmentation and degradation, and by introgressive hybridization with locally improved coffee varieties. We genotyped 703 coffee shrubs from unmanaged and managed coffee populations, using 24 microsatellite loci. Additionally, we genotyped 90 individuals representing 23 Ethiopian cultivars resistant to coffee berry disease (CBD). We determined population genetic diversity, genetic structure, and admixture of cultivar alleles in the in situ gene pool. We found strong genetic differentiation between managed and unmanaged coffee populations, but without significant differences in within-population genetic diversity. The widespread planting of coffee seedlings including CBD-resistant cultivars most likely offsets losses of genetic variation attributable to genetic drift and inbreeding. Mixing cultivars with original coffee genotypes, however, leaves ample opportunity for hybridization and replacement of the original coffee gene pool, which already shows signs of admixture. In situ conservation of the wild gene pool of C. arabica must therefore focus on limiting coffee production in the remaining wild populations, as intensification threatens the genetic integrity of the gene pool by exposing wild genotypes to cultivars.
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