Article
Concerted evolution in the ribosomal RNA genes of an Epichloë endophyte hybrid: comparison between tandemly arranged rDNA and dispersed 5S rrn genes.
Fungal genetics and biology : FG & B - 1 Feb 2002
Ganley Austen R D, Scott Barry
Abstract excerpt
We examined ribosomal RNA concerted evolution in an Epichloë endophyte interspecific hybrid (Lp1) and its progenitors (Lp5 and E8). We show that the 5S rrn genes are organized as dispersed copies. Cloned 5S gene sequences revealed two subfamilies exhibiting 12% sequence divergence, with substitutions forming coevolving pairs that maintain secondary structure and presumably function. Observed sequence patterns are...
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