Genetic singularity coefficients of common vetch Vicia sativa L. accessions determined with molecular markers

Genetic singularity coefficients of common vetch Vicia sativa L. accessions determined with... Organization and practical application of ex situ collections require estimation of genetic differences between numerous accessions of local cultivars and field weed forms collected from the same ecogeographical region and similar in their morphophysiological characteristics. A mathematical algorithm for estimating the degree of genetic singularity of a specimen in the system of local gene pool determined with the help of molecular markers is described. The utility of this algorithm is demonstrated by the example of classification of 677 common vetch accessions from the collection of the Vavilov Institute of Plant Industry from 11 ecogeographical regions of Russia analyzed using AFLP. The proposed classification of accessions is the result of processing the AFLP data by weighting the marker traits based on their frequency in particular regions. This allowed each accession to be characterized according to the ratio of rare and frequent alleles as a genetic singularity coefficient. The proposed method is appropriate for any types of molecular markers. A practical result of its application is the classification of accessions using a five-point score scale, which can be added to descriptors of certificate databases and used for optimization of the work with collections. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Genetic singularity coefficients of common vetch Vicia sativa L. accessions determined with molecular markers

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Publisher
Springer Journals
Copyright
Copyright © 2008 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795408110094
Publisher site
See Article on Publisher Site

Abstract

Organization and practical application of ex situ collections require estimation of genetic differences between numerous accessions of local cultivars and field weed forms collected from the same ecogeographical region and similar in their morphophysiological characteristics. A mathematical algorithm for estimating the degree of genetic singularity of a specimen in the system of local gene pool determined with the help of molecular markers is described. The utility of this algorithm is demonstrated by the example of classification of 677 common vetch accessions from the collection of the Vavilov Institute of Plant Industry from 11 ecogeographical regions of Russia analyzed using AFLP. The proposed classification of accessions is the result of processing the AFLP data by weighting the marker traits based on their frequency in particular regions. This allowed each accession to be characterized according to the ratio of rare and frequent alleles as a genetic singularity coefficient. The proposed method is appropriate for any types of molecular markers. A practical result of its application is the classification of accessions using a five-point score scale, which can be added to descriptors of certificate databases and used for optimization of the work with collections.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Feb 15, 2009

References

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