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Title: Analysis of the molecular diversity of Olea Europaea in the Mediterranean Island of Malta
Authors: Mazzitelli, Oriana
Calleja, Alan
Sardella, Davide
Farrugia, Claude
Zammit-Mangion, Marion
Keywords: Olive -- Malta
Issue Date: 2015
Publisher: Springer Netherlands
Citation: Mazzitelli, O., Calleja, A., Sardella, D., Farrugia, C., & Zammit-Mangion, M. (2015). Analysis of the molecular diversity of Olea europaea in the Mediterranean Island of Malta. Genetic Resources and Crop Evolution, 62(7), 1021-1027.
Abstract: The island of Malta is a small densely populated land mass located in the middle of the Mediterranean Sea. Genetic material from local olive tree varieties on the island was amplified using RAPD, 36 loci were subsequently generated and a dendrogram based on Jaccard’s similarity coefficient constructed. Analysis of clustering patterns indicated a high degree of genetic diversity (0.18–0.68), an early separation between the majority of the native varieties and more recently introduced varieties, supporting the idea of a history of limited genetic exchange and indicating a separate clustering for the majority of the ‘Malti’ and ‘Bidni’ varieties. Principal Component Analysis of banding patterns confirmed these clustering patterns and analysis of the incidence of bands for primers OPA-17, OPC-19, OPI-18 (vector correlation significance\0.01) as well as for OPAG-13, OPAN-15 (vector correlation between 0.01 and 0.05) showed strong correlation. Native Maltese varieties were characterised by a higher number of bands arising from the former group of primers indicating their use as a possible means to distinguish between local and imported varieties.
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Scholarly Works - FacSciChe

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