Homology of AFLP products in three mapping populations of barley

R. Waugh (Lead / Corresponding author), N. Bonar, E. Baird, B. Thomas, A. Graner, P. Hayes, W. Powell

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149 Citations (Scopus)

Abstract

Segregation of 850 polymorphic AFLP (amplified fragment length polymorphism) fragments was followed in three different doubled haploid (DH) barley populations, Dicktoo x Morex (DM), Igri x Franka (IF) and Blenheim x E224/3 (BE), which had previously been used to construct linkage maps using other molecular markers. The final maps consisted of 310, 655 and 474 markers, of which 234, 194 and 376, respectively, were AFLPs. A comparison of profiles from the parental lines identified 51 similar-sized AFLPs segregating in both DM and IF populations, 20 in the DM and BE populations and 18 in the IF and BE populations. Eight segregated in all three. Analysis of the complete datasets for each of the populations using Joinmap V.2. indicated that in general terms each of the AFLPs which were polymorphic in more than population mapped to the same genetic locus. The number of co-dominant markers segregating in a single population ranged from 6% for DM to 12.6% for IF. These results are discussed in the context of using AFLP in genetic linkage and diversity studies.

Original languageEnglish
Pages (from-to)311-321
Number of pages11
JournalMolecular and General Genetics
Volume255
Issue number3
DOIs
Publication statusPublished - Jul 1997

Keywords

  • AFLP
  • Barley
  • Linkage maps
  • Product homology

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    Waugh, R., Bonar, N., Baird, E., Thomas, B., Graner, A., Hayes, P., & Powell, W. (1997). Homology of AFLP products in three mapping populations of barley. Molecular and General Genetics, 255(3), 311-321. https://doi.org/10.1007/s004380050502