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Genetic diversity analysis in Gaultheria fragrantissima Wall. (Ericaceae) from the two biodiversity hotspots in India using ISSR markers

Apte, GS and Bahulikar, RA and Kulkarni, RS and Lagu, MD and Kulkarni, BG and Suresh, HS and Rao, PSN and Gupta, VS (2006) Genetic diversity analysis in Gaultheria fragrantissima Wall. (Ericaceae) from the two biodiversity hotspots in India using ISSR markers. In: Current Science, 91 (12). pp. 1634-1640.

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Abstract

Our study involves Inter Simple Sequence Repeat markers to analyse genetic diversity of an undershrub, Gaultheria fragrantissima Wall. (Ericaceae) from two plant diversity hotspots in India, namely Western Ghats and Northeastern Himalayas. The plants from these two regions show no morphological differences but the total heterozygosity $(H_T = 0.505)$ is high. Furthermore, the average heterozygosity of G. fragrantissima at WG $(H_s = 0.433)$ is higher than that at NE region $(H_s = 0.231)$. Within population variance is higher (15.56%) than among population variance (8.31%) as seen in outcrossing plant species. Mantel’s test shows a strong positive correlation between the genetic and geographic distances. The plants within WG show high gene flow, which may be enough to prevent genetic drift, however, the gene flow in NE population is very low.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy Of Sciences
Keywords: Gaultheria fragrantissima;genetic diversity;heterozygosity;ISSR markers
Department/Centre: Division of Biological Sciences > Centre for Ecological Sciences
Date Deposited: 02 Jun 2008
Last Modified: 19 Sep 2010 04:45
URI: http://eprints.iisc.ernet.in/id/eprint/14139

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