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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1993 Nov 15;90(22):10623–10627. doi: 10.1073/pnas.90.22.10623

Conservation of allelic richness in wild crop relatives is aided by assessment of genetic markers.

D J Schoen 1, A H Brown 1
PMCID: PMC47829  PMID: 8248153

Abstract

Wild crop relatives are an important source of genetic variation for improving domesticated species. Given limited resources, methods for maximizing the genetic diversity of collections of wild relatives are needed to help spread protection over a larger number of populations and species. Simulations were conducted to investigate the optimal strategy of sampling materials from populations of wild relatives, with the objective of maximizing the number of alleles (allelic richness) in collections of fixed size. Two methods, based on assessing populations for variation at marker loci (e.g., allozymes, restriction fragment length polymorphisms), were developed and compared with several methods that are not dependent on markers. Marker-assisted methods yielded higher overall allelic richness in the simulated collections, and they were particularly effective in conserving geographically localized alleles, the class of alleles that is most subject to loss.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Lande R. Genetics and demography in biological conservation. Science. 1988 Sep 16;241(4872):1455–1460. doi: 10.1126/science.3420403. [DOI] [PubMed] [Google Scholar]
  2. Nei M. Analysis of gene diversity in subdivided populations. Proc Natl Acad Sci U S A. 1973 Dec;70(12):3321–3323. doi: 10.1073/pnas.70.12.3321. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Schoen D. J., Brown A. H. Intraspecific variation in population gene diversity and effective population size correlates with the mating system in plants. Proc Natl Acad Sci U S A. 1991 May 15;88(10):4494–4497. doi: 10.1073/pnas.88.10.4494. [DOI] [PMC free article] [PubMed] [Google Scholar]
  4. Sirkkomaa S. Calculations on the decrease of genetic variation due to the founder effect. Hereditas. 1983;99(1):11–20. doi: 10.1111/j.1601-5223.1983.tb00729.x. [DOI] [PubMed] [Google Scholar]

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