ArticleMammalian genome : official journal of the International Mammalian Genome Society1993
Genome organization of repetitive elements in the rodent, Peromyscus leucopus.
Article in Mammalian genome : official journal of the International Mammalian Genome Society, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 22 citations in OpenAlex.
- The discovery of multiple active mys-related LTR-retroelements within the Neotominae subfamily of cricetid rodents.Genetica · 2023Article
- Retrotransposon Mys was active during evolution of the Peromyscus leucopus-maniculatus complex.Journal of molecular evolution · 1996Article
- How bats achieve a small C-value: frequency of repetitive DNA in Macrotus.Mammalian genome : official journal of the International Mammalian Genome Society · 1995Article
- Organization and chromosomal location of repetitive DNA sequences in three species of squamate reptiles.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 1994Article
- Comparison of chromosomal distribution of a retroposon (LINE) and a retrovirus-like element mys in Peromyscus maniculatus and P. leucopus.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 1994Article
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4 authors at 2 institutions in 1 country.
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Abstract
To document the frequency and distribution of repetitive elements in Peromyscus leucopus, the white-footed mouse, a cosmid genomic library was examined. Two thousand thirteen randomly chosen recombinants, with an average insert size of 35 kb and representing 2.35% of the haploid genome of P. leucopus, were screened with probes representing microsatellites, tandem repeats, and transposable elements. Of the four dinucleotides, (GT)n was present in 87% of the clones, (CT)n was present in 59% of the clones, and (AT)n and (GC)n each was represented in our sample by a single clone (0.05%). (TCC)n was present in 8% of the clones. Of the tandem repeats, the 28S ribosomal probe and the (TTAGGG)n telomere probe were not represented in the library, whereas a heterochromatic fragment was present in 9% of the clones. A transposable element, mys, was estimated to occur in 4700 copies, whereas a long interspersed element (LINE) was estimated to occur in about 41,000 copies per haploid genome. LINE and mys occurred together in the same clones more frequently than expected on the basis of chance. Hybridizing the library to genomic DNA from P. leucopus, Reithrodontomys fulvescens, Mus musculus, and human produced general agreement between phylogenetic relatedness and intensity of hybridization. However, dinucleotide repeats appeared to account for a disproportionately high number of positive clones in the more distantly related taxa.
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