Genetic Diversity among Ocimum Populations in Egypt as Reflected by Morphological, Seed Proteins and Isozyme Polymorphism

Seven populations of two species of Ocimum were analyzed using data from morphological and biochemical (seed proteins and isozymes) characters to measure genetic variation within and between populations and species of Ocimum in Egypt, Ten isozyme systems revealed 23 loci and a total of 49 alleles in...

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Bibliographic Details
Published in:International journal of botany : IJB 2006, Vol.2 (3), p.261-269
Main Authors: M.A. Musta, Abd El-Zaher, Badr, Abdelfattah, El-Galaly, Mohammed A., Mobarak, Ahmed A., Hassan, Mervet G.
Format: Article
Language:English
Subjects:
Ocimum
Ocimum basilicum
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Summary:Seven populations of two species of Ocimum were analyzed using data from morphological and biochemical (seed proteins and isozymes) characters to measure genetic variation within and between populations and species of Ocimum in Egypt, Ten isozyme systems revealed 23 loci and a total of 49 alleles in the studied Ocimum populations. The constructed trees based on variation in morphological, seed proteins or isozyme data clearly demonstrated the existence of genetic diversity among and within populations of Ocimum that might be related to natural hybridization and fluctuations in environmental conditions. Seed proteins and isozyme polymorphism exhibited validity for studying genetic diversity and taxonomic relationships in Ocimum at both species and infra-specific levels. Moreover, Ocimum kilimandscharicum exhibited higher levels of genetic variation and also higher number of unique alleles than Ocimum basilicum.
ISSN:1811-9700
DOI:10.3923/ijb.2006.261.269