Ribosomal RNA genes in Scots pine (Pinus sylvestris L.): Chromosomal organization and structure

Abstract

The nuclear 18S, 5.8S and 25S rRNA genes exist as thousands of rDNA repeats in the Scots pine genome. The number and location of rDNA loci (nucleolus organizers, NORs) were studied by cytological methods, and a restriction map from the coding region of the Scots pine rDNA repeat was constructed using digoxigenin-labeled flax rDNA as a probe. Based on the… (More)
DOI: 10.1007/BF02424452

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