1993
DOI: 10.1038/hdy.1993.186
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Variation and inheritance of ribosomal DNA in Pinus sylvestris L. (Scots pine)

Abstract: Variability in the ribosomal DNA (rDNA) gene family was surveyed in Scots pine (Pinus sylvestris L.) populations from southern and northern Finland. A total of 97 trees were studied with three restriction enzymes, revealing 13 variable rDNA phenotypes. Each rDNA phenotype represents the combined genotype of the eight rDNA loci (NORs, nucleolus organizer regions) that are present in the Scots pine genome. The studied Scots pine populations were equally variable and there was no evidence of geographic differenti… Show more

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Cited by 63 publications
(31 citation statements)
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“…PCR-RFLP is more advantageous than Southern blot since it is less time consuming, and also provides the analysis of a higher number of samples simultaneously (Halward et al 1992;Karvonen and Savolainen 1993).…”
Section: Introductionmentioning
confidence: 99%
“…PCR-RFLP is more advantageous than Southern blot since it is less time consuming, and also provides the analysis of a higher number of samples simultaneously (Halward et al 1992;Karvonen and Savolainen 1993).…”
Section: Introductionmentioning
confidence: 99%
“…Ribosomal DNA differentiation was several times higher but still lower than among-population differentiation in bud-set of the same populations. No geographic trends could be revealed for the ribosomal DNA variation (Karvonen and Savolainen 1993). Szmidt et al (1996) reported no RAPD variation between two Swedish Pinus sylvestris populations from latitudes 64° and 67°, respectively.…”
Section: Isozymesmentioning
confidence: 99%
“…This could be the case in L. delicatulum. A similar explanation has been suggested for ITS polymorphism in other plant species (Suh et al, 1993;Karvonen and Savolainen, 1993;Campbell et al, 1997).…”
Section: Intraspecific Variationmentioning
confidence: 78%