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Diversity of the genus Ocimum (Lamiaceae) through morpho-molecular (RAPD) and chemical (GC-MS) analysis.

ABSTRACT: In this present study, we have described the diversity of nine Ocimum genotypes naturally grown in the Dakshin Dinajpur district of West Bengal, India. Their diversity was determined on the basis of morphological, chemical and randomly amplified polymorphic DNA (RAPD) to determine the level of variation present in the genus Ocimum. Among nine Ocimum genotypes six (O. americanum, O. × africanum, O. basilicum, O. gratissimum, O. kilimandscharicum and O. tenuiflorum) are found to be different Ocimum species and the rest are as varieties. A total of 18 qualitative and 17 quantitative morphological traits and chemical compositions were evaluated. Significant variations were observed in the morphological traits except O. × africanum and O. basilicum species. Cluster generated from the morphological data showed two different groups viz. basilicum group and sanctum group. Chemical analysis did not show much variation between morphologically similar species viz. O. × africanum and O. basilicum. However, RAPD analyses clearly showed that O. × africanum and O. basilicum are different species. Thus the combined analyses of morphological traits, chemical and molecular markers represent the best possible approach to confirm taxonomic delineation. Moreover, we are reporting O. × africanum for the first time from this region as well as from West Bengal, India.

SUBMITTER: Chowdhury T

PROVIDER: S-EPMC6296643 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Diversity of the genus Ocimum (Lamiaceae) through morpho-molecular (RAPD) and chemical (GC-MS) analysis.

Chowdhury Tanmay T Mandal Amitava A Roy Subhas Chandra SC De Sarker Dilip D

Journal, genetic engineering & biotechnology 20170109 1

In this present study, we have described the diversity of nine Ocimum genotypes naturally grown in the Dakshin Dinajpur district of West Bengal, India. Their diversity was determined on the basis of morphological, chemical and randomly amplified polymorphic DNA (RAPD) to determine the level of variation present in the genus Ocimum. Among nine Ocimum genotypes six (O. americanum, O. × africanum, O. basilicum, O. gratissimum, O. kil ...[more]

PMID: 30647664

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Dataset Information

Diversity of the genus Ocimum (Lamiaceae) through morpho-molecular (RAPD) and chemical (GC-MS) analysis.

Publications

Diversity of the genus <i>Ocimum</i> (Lamiaceae) through morpho-molecular (RAPD) and chemical (GC-MS) analysis.

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