Article
Bryophyte 5S rDNA was inserted into 45S rDNA repeat units after the divergence from higher land plants.
Plant molecular biology - 1 Nov 1999
Sone T, Fujisawa M, Takenaka M, Nakagawa S, Yamaoka S, Sakaida M, Nishiyama R, Yamato K T, Ohmido N, Fukui K, Fukuzawa H, Ohyama K
Abstract excerpt
The 5S ribosomal RNA genes (5S rDNA) are located independently from the 45S rDNA repeats containing 18S, 5.8S and 26S ribosomal RNA genes in higher eukaryotes. Southern blot and fluorescence in situ hybridization analyses demonstrated that the 5S rDNAs are encoded in the 45S rDNA repeat unit of a liverwort, Marchantia polymorpha, in contrast to higher plants. Sequencing analyses revealed that a single-repeat unit...
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