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  • Title: Microsatellite markers for the endangered root holoparasite Dactylanthus taylorii (Balanophoraceae) from 454 pyrosequencing.
    Author: McLay TG, Tate JA, Symonds VV.
    Journal: Am J Bot; 2012 Aug; 99(8):e323-5. PubMed ID: 22837411.
    Abstract:
    PREMISE OF THE STUDY: Microsatellite loci were isolated and developed as polymorphic markers for the New Zealand endemic root holoparasite Dactylanthus taylorii for use in population and conservation genetics studies. METHODS AND RESULTS: Shotgun 454 pyrosequencing was performed on genomic DNA pooled from three individuals of D. taylorii. From 61709 individual sequence reads, primers for 753 microsatellite loci were developed in silico and 72 of these were tested for consistent amplification and variability. Ten microsatellite loci were found to be polymorphic and consistently scorable when screened in 44 individuals from five geographically distant populations. The number of alleles per locus ranged from four to 16 with an average of 9.7, and average observed heterozygosity per locus was between 0.182 and 0.634. CONCLUSIONS: These polymorphic microsatellite markers establish an important resource for ongoing conservation initiatives and planned population genetic studies of D. taylorii.
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