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  • 1
    Electronic Resource
    Electronic Resource
    A genetic linkage map for Pinus radiata based on RFLP, RAPD, and microsatellite markers (1996)
    Springer
    Theoretical and applied genetics 92 (1996), S. 673-679 
    Details
    ISSN: 1432-2242
    Keywords: Pinus radiata ; Genetic linkage map ; RFLP ; RAPD
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A genetic linkage map for radiata pine (Pinus radiata D. Don) has been constructed using segregation data from a three-generation outbred pedigree. A total of 208 loci were analyzed including 165 restriction fragment length polymorphism (RFLP), 41 random amplified polymorphic DNA (RAPD) and 2 microsatellite markers. The markers were assembled into 22 linkage groups of 2 or more loci and covered a total distance of 1382 cM. Thirteen loci were unlinked to any other marker. Of the RFLP loci that were mapped, 93 were detected by loblolly pine (P. taeda L.) cDNA probes that had been previously mapped or evaluated in that species. The remaining 72 RFLP loci were detected by radiata pine probes from a PstI genomic DNA library. Two hundred and eighty RAPD primers were evaluated, and 41 loci which were segregating in a 1∶1 ratio were mapped. Two microsatellite markers were also placed on the map. This map and the markers derived from it will have wide applicability to genetic studies in P. radiata and other pine species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226088
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The origin and genetic diversity of Pinus radiata in Australia (1987)
    Springer
    Theoretical and applied genetics 73 (1987), S. 616-622 
    Details
    ISSN: 1432-2242
    Keywords: Genetic diversity ; Pinus radiata ; Isozymes ; Breeding programs ; Domestication
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Despite the fact that forest trees are in early stages of domestication there has been little direct evaluation of either the origin of, or genetic diversity within the breeding material in tree improvement programs. Allozyme variation was used to compare the total genetic diversity in the breeding programs of P. radiata within Australia and the five wild populations in North America. The current breeding populations were very similar genetically and were essentially homogenous with only 1.8% of the variation among programs. The total genetic diversity in the species was 0.12, which is a low estimate compared to most conifers. Overall in the Australian material the genetic diversity was somewhat less. The comparison of allelic frequencies in the five native populations with the Australian material indicates that the Monterey and Año Nuevo populations were probably the major source of the original introductions and that a substantial portion of the genetic diversity in the two populations has been captured in current breeding programs. The three southern populations do not appear to be currently represented in the breeding programs. The implications for future breeding strategies are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00289203
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The 5S RNA genes inPinus radiata and the spacer region as a probe for relationships betweenPinus species (1992)
    Springer
    Plant systematics and evolution 183 (1992), S. 209-221 
    Details
    ISSN: 1615-6110
    Keywords: Gymnosperms ; Pinaceae ; Pinus radiata ; 5S RNA genes ; spacer variants ; phylogenetic groups
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The 5S RNA genes inPinus radiata occur in two size classes of about 850 and 525 bp in length. Representatives from both the long and short size classes were cloned and sequenced. The primary difference in the two size classes was shown to be a 330 bp insertion in the spacer region of the long units. Within an individual breeding clone ofP. radiata there was some sequence heterogeneity between representatives of the short class. The 5S RNA genes in thirty pine species were characterised using either a clone of the short size class or a subclone of the 330 bp insertion characterizing the long size class. Eleven species of subg.Strobus were examined and all lacked the long type of unit of radiata pine. The New World species of subg.Pinus all had both short and long units whereas the Old World species had long units. The implications of these results for the evolution of the 5S DNA sequences and the phylogenetic relationships withinPinus are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00940804
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    Paper (German National Licenses)
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