Abstract
Genetic diversity among 47 ber accessions belonging to cultivated species (Ziziphus mauritiana Lam) and one wild accession of Ziziphus nummularia (Burm F) Willed was investigated using Inter-Simple Sequence Repeat (ISSR) markers. A total of 167 amplification products were detected with 18 ISSR primers of which 152 (89.96%) were polymorphic. Most of the primers that produced distinct bands (14 primers out of 18) contained dinucleotide repeats. Primers based on (AC)n and (AG)n repeats produced more polymorphic bands. Genetic similarity ranging from 43.07% to 90.30% suggested that the 48 Ziziphus genotypes used in the study were divergent. Cluster analysis based on UPGMA method and Bootstrap analysis separated all the 48 genotypes in four distinct clusters. The present study has successfully distinguished morphologically similar genotypes that emphasize the use of molecular markers to the taxonomists. Morphologically similar but genetically distinct genotypes, identified using ISSR markers could be potential sources for genotype identification and to resolve controversies over misnomination of ber genotypes. Present study is the first report on the exploitation of ISSR markers in ber for genetic diversity analysis.
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Abbreviations
- ISSR:
-
Inter Simple Sequence Repeat
- UPGMA:
-
Unweighted Paired Group Method of Arithmetic averages
- RAPD:
-
Random Amplified Polymorphic DNA
- AFLP:
-
Amplified Fragment Length Polymorphism
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Singh, A.K., Devanshi, Sharma, P. et al. Assessment of Genetic Diversity in Ziziphus mauritiana Using Inter-Simple Sequence Repeat Markers. J. Plant Biochem. Biotechnol. 16, 35–40 (2007). https://doi.org/10.1007/BF03321926
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DOI: https://doi.org/10.1007/BF03321926