Journal
GENOME
Volume 44, Issue 2, Pages 147-153Publisher
NATL RESEARCH COUNCIL CANADA
DOI: 10.1139/gen-44-2-147
Keywords
framework genomic map; RAPD; Pinus contorta subsp latifolia
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We report on the construction of the first random amplified polymorphic DNA (RAPD) framework map in Pinus contorta subsp. latifolia. Genomic DNA of haploid megagametophytes from 90 open-pollinated seeds originating from a single tree were amplified with 840 random decamer oligonucleotide primers by the polymerase chain reaction. Three-hundred twenty-eight RAPD markers with fragment sizes that ranged between 260 and 3080 base pairs were found segregating at 110 random decamer oligonucleotide primers. Of these 328 RAPD markers, 148 were mapped to 16 framework linkage groups and 77 were mapped as accessory markers onto the framework linkage groups, on a support interval of minimal LOD score of 3. The 16 framework maps cover a distance of 2287 cM. The estimate of genome size was 2407 cM with a 95% confidence interval of 2304-2459 cM.
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