Protein Pattern of Phoenix dactylifera Seeded Strains Grown in Basrah Region Using Cluster and Principal Component Analysis

Ali H. M. Attaha, Taha Y. Mhoder, Abdul-Kareem M. Abd


The present study was carried out on 17 seeded strains of date palm “Phoenix dactylifera L.” grown in Basrah region to investigate variations in protein pattern of leaflets and fruits among these strains. Cluster and principal component analysis were used to identify the degree of similarity and differences between date palm strains. The leaflet and fruit protein pattern on SDS-PAGE showed differences in band number, location, thickness and density leading to variations in protein quantity and quality among the studied strains.Cluster analysis data showed a high degree of similarity between leaflet and fruit samples of these strains recording an average similarity value of 0.76 and 0.67 for leaflet and fruit samples respectively. Cluster analysis also revealed that all strains occupied two main groups and then distributed into two subgroups under each main group. The principal component analysis showed that protein banding characters for leaflets and fruits could be used for identification of date palm seeded strains.

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Journal of Plant Studies   ISSN 1927-0461 (Print)   ISSN 1927-047X (Online)

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