期刊
PLANTS-BASEL
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/plants10040678
关键词
Algerian olive germplasm; phylogenesis analysis; biodiversity
资金
- Ministry of Higher Education and Scientific Research of Algeria
Genetic characterization studies of Algerian olive accessions provide insights into the diversification process of olives in the Mediterranean basin. The research also reveals genetic relationships among olive germplasm in the Central-Western Mediterranean area and highlights new synthesis cases and recent admixture events.
Olive tree with its main final product, olive oil, is an important element of Mediterranean history, considered the emblematic fruit of a civilization. Despite its wide diffusion and economic and cultural importance, its evolutionary and phylogenetic history is still difficult to clarify. As part of the Mediterranean basin, Algeria was indicated as a secondary diversification center. However, genetic characterization studies from Maghreb area, are currently underrepresented. In this context, we characterized 119 endemic Algerian accessions by using 12 microsatellite markers with the main goal to evaluate the genetic diversity and population structure. In order to provide new insights about the history of olive diversification events in the Central-Western Mediterranean basin, we included and analyzed a sample of 103 Italian accessions from Sicily and, a set of molecular profiles of cultivars from the Central-Western Mediterranean area. The phylogenetic investigation let us to evaluate genetic relationships among Central-Mediterranean basin olive germplasm, highlight new synonymy cases to support the importance of vegetative propagation in the cultivated olive diffusion and consolidate the hypothesis of more recent admixture events occurrence. This work provided new information about Algerian germplasm biodiversity and contributed to clarify olive diversification process.
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