International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 11-20

Molecular Analysis of Micropropagated Banana Variants (Musa spp. ‘AAA’) Using RAPD Markers
D. Shiddalingeswara1, D.P. Prakash2*, Gajanana Kustagi2 and V. Nachegowda3
1Departemnt of Horticulture, University of Agricultural Sciences, GKVK, Bangalore, India
2College of Horticulture, Munirabad, Koppal-583 233, India
3University of Horticultural Sciences, Udyanagiri, Bagalkot- 587104, India
*Corresponding author

In this study, RAPD fingerprinting has been carried out for variants selected from orchards growing with micropropagated Robusta banana (Musa spp. ‘AAA’) plants. After isolation of quality DNA and preliminary screening of random primers, fourteen arbitrary (10-mers) primers showing intense unambiguous and reproducible PCR amplification have been selected for study. Among them OPA-19 and OPC-03 showed only monomorphic bands while OPA-02, OPA-09, OPA-13, OPA-14, OPB-6, OPB-15, OPC-01, OPD-10, OPF-04 and OPF-12 primers showed polymorphic bands. A total of 123 amplified fragments were scored of which 53 were polymorphic in nature. In addition, in the dendrogram generated based on Ward’s method of cluster analysis all morphological variants were grouped into a cluster, while other normal plant from orchard along with Robusta and Grand Naine pure lines formed another separate group. The genetic dissimilarity based on Squared Euclidean Distance ranged from 20-35 per cent between morphological variants and normal plant from orchard. The result showed that morphological variations in plants from orchard growing with micropropagated Robusta plants are somaclonal variations, which suggests that the commercial tissue culture units should use molecular means for testing genetic fidelity of tissue culture plants as a safety measure to avoid passing of off-type planting material to farmer. The primers selected in this study are useful in testing somaclonal variants.

Keywords: Somaclonal variations, Robusta, RAPD, PCR, Random primers, Tissue culture

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How to cite this article:

Shiddalingeswara, D., D.P. Prakash, Gajanana Kustagi and Nachegowda, V. 2018. Molecular Analysis of Micropropagated Banana Variants (Musa spp. ‘AAA’) Using RAPD Markers.Int.J.Curr.Microbiol.App.Sci. 7(7): 11-20. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.