DNA fingerprinting detects genetic variability in the pearl millet downy mildew pathogen (Sclerospora graminicola)

Sastry, J.G. and Ramakrishna, W. and Sivaramakrishnan, S. and Thakur, R.P. and Gupta, V.S. and Ranjekar, P.K. (1995) DNA fingerprinting detects genetic variability in the pearl millet downy mildew pathogen (Sclerospora graminicola). Theoretical and Applied Genetics, 91 (6-7). pp. 856-861.

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Abstract

Genetic variability in 6 host genotype-specific pathotypes of the pearl millet downy mildew pathogen, S. graminicola, was studied at the molecular level using mini- and micro-satellites. The results indicated that microsatellites (GAA)61, (GACA)4 and especially (GATA)4 were quite informative and showed high levels of polymorphism among the pathotypes. The 6 pathotypes could be classified into 5 groups based on the cluster analysis of their genetic similarities, thereby confirming the existence of distinct host genotype-specific virulence in S. graminicola pathotypes. The use of DNA fingerprinting to detect genetic variation in the downy mildew fungus of pearl millet was demonstrated for the first time

Item Type: Article
Author Affiliation: Plant Molecular Biology Unit, National Chemical Laboratory, Pune 411 008, India
Subjects: Crop Improvement
Divisions: Millet
Depositing User: Syamala
Date Deposited: 17 Jun 2011 03:13
Last Modified: 17 Jun 2011 03:13
URI: http://eprints.icrisat.ac.in/id/eprint/2203

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