Clone identification and clinal allozyme variation in populations ofAbies alba from the Eastern Alps (Austria) |
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| Authors: | M Breitenbach-Dorfer W Pinsker R Hacker F Müller |
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| Institution: | (1) Forstliche Bundesversuchsanstalt, Seckendorff-Gudent-Weg 8, A-1130 Wien, Austria;(2) Institut für Allgemeine Biologie, Abt. Genetik, Währinger Str. 17, A-1090 Wien, Austria |
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| Abstract: | Allelic frequencies at the polymorphic enzyme loci IDH-1, IDH-2, LAP-1, and 6-PGDH-1 were determined in population samples ofAbies alba from 5 different areas in Austria. The results reveal clear genetic differentiation between the eastern and the western provenances. Gradual frequency clines are observed with all four loci. The amount of variation, measured as average heterozygosity and genotypic diversity, is significantly higher in the west. The multilocus genotypes proved to be useful markers for the identification of clones. Functional differences with respect to substrate specifity were found for the two allozymes coded by the coexisting alleles of the IDH-2 locus. |
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| Keywords: | Gymnosperms Pinaceae Abies alba Allozyme variation clone identification substrate affinity East-West-clines |
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