Multiple horizontal transfers of nuclear ribosomal genes between phylogenetically distinct grass lineages.

Abstract

The movement of nuclear DNA from one vascular plant species to another in the absence of fertilization is thought to be rare. Here, nonnative rRNA gene [ribosomal DNA (rDNA)] copies were identified in a set of 16 diploid barley (Hordeum) species; their origin was traceable via their internal transcribed spacer (ITS) sequence to five distinct Panicoideae… (More)
DOI: 10.1073/pnas.1613375114

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