ArticlePlant molecular biology2002
LINEs and gypsy-like retrotransposons in Hordeum species.
Article in Plant molecular biology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 41 citations in OpenAlex.
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- A physical map for the Amborella trichopoda genome sheds light on the evolution of angiosperm genome structure.Genome biology · 2011Article
- An abundant and heavily truncated non-LTR retrotransposon (LINE) family in Beta vulgaris.Plant molecular biology · 2009Article
- Replication of nonautonomous retroelements in soybean appears to be both recent and common.Plant physiology · 2008Article
- Diversity of LTR-retrotransposons and Enhancer/Suppressor Mutator-like transposons in cassava (Manihot esculenta Crantz).Molecular genetics and genomics : MGG · 2008Article
- Survey of repetitive sequences in Silene latifolia with respect to their distribution on sex chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2008Article
- A sunflower BAC library suitable for PCR screening and physical mapping of targeted genomic regions.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2006Article
- Mobilization and evolutionary history of miniature inverted-repeat transposable elements (MITEs) in Beta vulgaris L.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2006Article
- The genomic organization of retrotransposons in Brassica oleracea.Plant molecular biology · 2005Article
- Genomic analysis of Grapevine Retrotransposon 1 (Gret 1) in Vitis vinifera.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2005Article
- Retroelements, transposons and methylation status in the genome of oil palm (Elaeis guineensis) and the relationship to somaclonal variation.Plant molecular biology · 2003Article
- Tandemly repeated DNA sequences and centromeric chromosomal regions of Arabidopsis species.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2003Review
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Authors and funding
5 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
LINE and gypsy-like retroelements were studied in the genome of Hordeum vulgare, and compared with the representatives of the major sections of the genus Hordeum. We isolated reverse transcriptase (RT) genes from four gypsy-like and three LINE families using PCR primers specific for the corresponding conserved domains. A full-length barley LINE of 6295 bp, named BLIN, was isolated from a BAC genomic library. BLIN looks alien in the barley genome because its G+C content is 62% compared to an average of 45%. The BLIN nucleotide sequence showed it was structurally intact with the features typical of non-LTR retrotransposons, including 16 bp target site duplications, two short cysteine motifs, and two degenerate open reading frames (ORFs). The high degeneracy was also found in RT domain of both gypsy-like and, particularly, LINE families. The copy numbers of the gypsy-like families were relatively low compared to well-characterized copia-like element BARE-1. Each gypsy-like family gave unique RFLP patterns when hybridized to genomic DNA from each of the four basic Hordeum genomes. H. vulgare (I genome) had accumulated more copies than the wild Hordeum species (H, X, Y genomes), with the other I genome species, H. bulbosum, being intermediate. Analysis of the BAC library and in situ hybridization with LINE RT domains showed the low copy number of the LINE families, but there was little correlation between hybridization patterns and the division of the genus into four basic genomes. The distribution and content of gypsy retrotransposons in the BAC library indicated that a few copies are nested, although most are present as single, distinct, copies. Our results suggest that the major groups of retroelements make individual contributions to the shape of the plant genome; the factors involved in their amplification and distribution are independent, also varying among species.
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