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  • Linkage map  (2)
  • Dipterocarpaceae  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A linkage map for sugi (Cryptomeria japonica) based on RFLP, RAPD, and isozyme loci (1995)
    Springer
    Theoretical and applied genetics 90 (1995), S. 835-840 
    Details
    ISSN: 1432-2242
    Keywords: RFLP ; RAPD ; Linkage map ; Sugi (Cryptomeria japonica) ; Three-generation pedigree
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A linkage map for sugi was constructed on the basis of restriction fragment length polymorphism (RFLP), random amplified polymorphic DNA (RAPD), and isozyme loci using a three-generation pedigree prepared for genetic analysis of heartwood color. A total of 128 RFLP (123 cDNA and 5 genomic probes), 33 RAPD, 2 isozyme, and 1 morphological (dwarf) loci segregated in 73 progeny. Of the 164 segregating loci, 145 loci were distributed in 20 linkage groups. Of these loci, 91 with confirmed map positions were assigned to 13 linkage groups, covering a total of 887.3 cM. A clustering of markers with distorted segregation was observed in 6 linkage groups. In the four clusters, distortions with a reduction in the number of homozygotes from one parent only were found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00222019
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  • 2
    Electronic Resource
    Electronic Resource
    Molecular phylogeny of Dipterocarpaceae in Southeast Asia using RFLP of PCR-amplified chloroplast genes (1996)
    Springer
    Theoretical and applied genetics 93 (1996), S. 22-29 
    Details
    ISSN: 1432-2242
    Keywords: Dipterocarpaceae ; PCR-RFLP Chloroplast gene ; Phylogeny ; Southeast Asia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Dipterocarpaceae is the dominant family of Southeast Asia's climax tropical rain forest region, and it contains the region's most important commercial timber species. A molecular phylogeny of the Dipterocarpaceae subfamily Dipterocapoideae was constructed using restriction fragment length polymorphisms of polymerase chain reaction-amplified specific genes in chloroplast DNA. A total of 141 site changes were detected among ten genera and 30 species in 11 different genes: rbcL, psbA, psbD, rpoB, rpoC, petB, atpH, 16S, psaA, petA and trnK. Phylogenetic trees constructed by Wanger parsimony and neighbor-joining methods, using Upuna as the outgroup, displayed five monophytelic groups that included Upuna: HopeaShorea-Parashorea-Neobalanocarpus; Dryobalanops; Dipterocarpus; Anisoptera-Vatica-Cotylelobium; and Upuna. The phylogenetic trees clearly separate species with two different base chromosome numbers: the first group is x=7, and the other is x=11. The x=7 group is thought to be in a synapomorphic character state. Parashorea lucida is a sister to most Shorea species. Neobalanocarpus heimii and Hopea from a clade of a sister to two Shorea species, and Cotylelobium and Vatica are closely related species. Our conclusions agree with a phylogeny derived from wood anatomy data analysis, and with Symington's and Ashton's taxonomic classifications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00225722
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  • 3
    Electronic Resource
    Electronic Resource
    AFLP and CAPS linkage maps of Cryptomeria japonica (2000)
    Springer
    Theoretical and applied genetics 100 (2000), S. 825-831 
    Details
    ISSN: 1432-2242
    Keywords: Key words Co-dominant marker ; Dominant marker ; Linkage map ; Sugi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  We have used two DNA marker systems, AFLP and CAPS, in a two-way pseudo-testcross strategy applied to an F1 population to construct genetic linkage maps of two local sugi cultivars. The AFLP markers detected about eight polymorphisms per parent per primer combination. Using 38 primer combinations, 612 AFLPs were detected in ’Haara 4’ and ’Kumotooshi’, of which 305 segregated in a 1:1 ratio (P〉0.05). A total of 91 markers (83 AFLP and 8 CAPS) in ’Haara 4’ and 132 (123 AFLP and 9 CAPS) in ’Kumotooshi’ were distributed among 19 and 23 linkage groups, respectively, each of which included 2–17 markers. Maps of ’Haara 4’ and ’Kumotooshi’ spanned 1266.1 cM and 1992.3 cM, and covered approximately 50% and 80% of the sugi genome, respectively. Sequences derived from cDNA, which were previously used to construct a sugi linkage map, were also placed on our linkage maps as CAPS markers. Where a ’two-way pseudo-testcross’ is used, more than half of the sugi CAPS developed can be used to construct linkage maps for each parental family. The saturation of mapped markers, and the integration of several linkage maps derived from different mapping populations, is anticipated in the near future.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051358
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