ArticlePlant cell reports2012
Exploring wild genetic resources of Musa acuminata Colla distributed in the humid forests of southern Western Ghats of peninsular India using ISSR markers.
Article in Plant cell reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Deciphering genetic relationships within and among banana (Musa spp.) genome groups using ISSR and SRAP markers.Journal, genetic engineering & biotechnology · 2025Article
- Article
- Article
- Metabolite profiling characterises chemotypes of Musa diploids and triploids at juvenile and pre-flowering growth stages.Scientific reports · 2019Article
- Efficacy of RAPD, ISSR and DAMD markers in assessment of genetic variability and population structure of wild Musa acuminata colla.Physiology and molecular biology of plants : an international journal of functional plant biology · 2015Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
unlabelledMusa acuminata ssp. burmannica, one of the wild progenitors contributing 'A genome' to the present-day dessert bananas, has a long evolutionary history intervened by human activities. In this study, ISSR markers were used to analyze the pattern of genetic variation and differentiation in 32 individuals along with two reference samples (viz., Musa acuminata ssp. burmannicoides, var. Calcutta 4 and Musa balbisiana) of wild Musa, which corresponded to three populations across the biodiversity-rich hot spot of southern Western Ghats of India. High levels of genetic diversity were revealed both at the species and population levels, using Nei's diversity indices. The hierarchical analysis of molecular variance showed pronounced genetic differentiation, as 96% of the total variance was fixed within population and only 4% among populations. Nei's genetic differentiation coefficient (GST=0.1823) and low gene flow (Nm=1.18) further confirmed this. The positive correlation (Mantel test) between geographic distance and genetic distance (r=0.338 P<0.001) indicates geographic isolation as one of the key factors in shaping the population genetic structure. Grouping of individuals was largely in conformity with their spatial distribution, which was confirmed by UPGMA cluster analysis and PCA scatter plot clustering all 32 individuals into three major groups along a geographical gradient. The discontinuous distribution and dwindling population due to habitat fragmentation are serious threats to prevailing genetic diversity in this species. Conservation measures based on diversity pattern are suggested for long-term preservation and sustainable utilization of this precious genetic resource. KEY MESSAGE: A diverse germplasm of Musa acuminata ssp. burmannica exists in southern Western Ghats as a possible repository of useful resistant traits, which can be effectively utilized for crop improvement.
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