A multiplexed set of microsatellite markers for discriminating Acacia mangium, A. auriculiformis, and their hybrid

Son Le, R Wickneswari V Ratnam, Christopher E. Harwood, Matthew J. Larcombe, Rod A. Griffin, Anthony Koutoulis, Jane L. Harbard, Koh Sin Cyer, Liew Wai Yee, Thinh Huy Ha, René E. Vaillancourt

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In order to assist breeding and gene pool conservation in tropical Acacias, we aimed to develop a set of multipurpose SSR markers for use in both Acacia mangium and A. auriculiformis. A total of 51 SSR markers (developed in A. mangium and natural A. mangium x A. auriculiformis hybrid) were tested. A final set of 16 well-performing SSR markers were identified, six of which were species diagnostic. The markers were optimized for assay in four multiplex mixes and used to genotype range-wide samples of A. mangium, A. auriculiformis, and putative F1 hybrids. Simulation analysis was used to investigate the power of the markers for identifying the pure species and their F1, F2, and backcross hybrids. The six species diagnostic markers were particularly powerful for detecting F1 hybrids from pure species but could also discriminate the pure species from F2 and backcross progenies in most cases (97 %). STRUCTURE analysis using all 16 markers was likewise able to distinguish these cross types and pure species sets. Both sets of markers had difficulties in distinguishing F2 and backcross progenies. However, identifying F1 from pure species is the current primary concern in countries where these species are planted. The SSR marker set also has direct application in DNA profiling (probability of identity = 4.1 × 10−13), breeding system analysis, and population genetics.

Original languageEnglish
Article number31
JournalTree Genetics and Genomes
Volume12
Issue number2
DOIs
Publication statusPublished - 1 Apr 2016

Fingerprint

Acacia auriculiformis
Acacia
Acacia mangium
Microsatellite Repeats
microsatellite repeats
Breeding
Gene Pool
DNA Fingerprinting
systems analysis
breeding
Population Genetics
Systems Analysis
DNA fingerprinting
population genetics
Genotype
marker
genotype
assays
reproductive strategy
sampling

Keywords

  • Breeding population
  • Hybrid discrimination
  • Microsatellite
  • Population genetics

ASJC Scopus subject areas

  • Forestry
  • Horticulture
  • Genetics
  • Molecular Biology

Cite this

A multiplexed set of microsatellite markers for discriminating Acacia mangium, A. auriculiformis, and their hybrid. / Le, Son; V Ratnam, R Wickneswari; Harwood, Christopher E.; Larcombe, Matthew J.; Griffin, Rod A.; Koutoulis, Anthony; Harbard, Jane L.; Cyer, Koh Sin; Yee, Liew Wai; Ha, Thinh Huy; Vaillancourt, René E.

In: Tree Genetics and Genomes, Vol. 12, No. 2, 31, 01.04.2016.

Research output: Contribution to journalArticle

Le, S, V Ratnam, RW, Harwood, CE, Larcombe, MJ, Griffin, RA, Koutoulis, A, Harbard, JL, Cyer, KS, Yee, LW, Ha, TH & Vaillancourt, RE 2016, 'A multiplexed set of microsatellite markers for discriminating Acacia mangium, A. auriculiformis, and their hybrid', Tree Genetics and Genomes, vol. 12, no. 2, 31. https://doi.org/10.1007/s11295-016-0990-2
Le, Son ; V Ratnam, R Wickneswari ; Harwood, Christopher E. ; Larcombe, Matthew J. ; Griffin, Rod A. ; Koutoulis, Anthony ; Harbard, Jane L. ; Cyer, Koh Sin ; Yee, Liew Wai ; Ha, Thinh Huy ; Vaillancourt, René E. / A multiplexed set of microsatellite markers for discriminating Acacia mangium, A. auriculiformis, and their hybrid. In: Tree Genetics and Genomes. 2016 ; Vol. 12, No. 2.
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