Retrotransposon BARE-1 is a major, dispersed component of the barley (Hordeum vulgare L.) genome
- 1 March 1996
- journal article
- research article
- Published by Springer Nature in Plant Molecular Biology
- Vol. 30 (6) , 1321-1329
- https://doi.org/10.1007/bf00019563
Abstract
The barley BARE-1 is a transcribed, copia-like retroelement with well-conserved functional domains, an active promoter, and a copy number of at least 3 × 104. We examined its chromosomal localization by in situ hybridization. The long terminal repeat (LTR) probe displayed a uniform hybridization pattern over the whole of all chromosomes, excepting paracentromeric regions, telomeres, and nucleolar organizer (NOR) regions. The integrase probe showed a similar pattern. The 5′-untranslated leader (UTL) probe, expected to be the most rapidly evolving component, labeled chromosomes in a dispersed and non-uniform manner, concentrated in the distal regions, possibly indicating a targe site preference.Keywords
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