Transposable Element P
Mostrando 1-12 de 206 artigos, teses e dissertações.
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1. Unraveling the evolutionary scenario of the hobo element in populations of Drosophila melanogaster and D. simulans in South America using the TPE repeats as markers
Abstract Transposable elements (TEs) are nucleotide sequences found in most studied genomes. These elements are highly diversified and have a large variation in nucleotide structure and mechanisms of transposition. hobo is a member of class II, belonging to hAT superfamily, described inDrosophila melanogaster, and it presents in its Open Reading Frame, a rep
Genet. Mol. Biol.. Publicado em: 2016-03
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2. Spatiotemporal transcription of the P element and the 412 retrotransposon during embryogenesis of Drosophila melanogaster and D. willistoni
Transposable elements (TEs) are mobile nucleotide sequences which, through changing position in host genomes, partake in important evolutionary processes. The expression patterns of two TEs, P element transposon and 412 retrotransposon, were investigated during Drosophila melanogaster and D. willistoni embryogenesis, by means of embryo hybridization using ri
Genetics and Molecular Biology. Publicado em: 16/09/2011
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3. Transposable elements P and gypsy in natural populations of Drosophila willistoni
The presence and integrity of the P transposon and the gypsy retrotransposon in the genome of 18 samples of natural Drosophila willistoni populations collected from a large area of South America were Southern blot screened using Drosophila melanogaster probes. The aim of this screening was provide further knowledge-base on the geographical distribution of D.
Publicado em: 2010
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4. Identificação e caracterização de elementos de transposição no genoma de Rhynchosciara / Identification e characterization of transposable elements in genome of Rhynchosciara
Transposable elements are discrete sequences that are able to move from one locus to another within the genome, constituting a significant part of eukaryotic genome. They are grouped into two main types, Class I elements transpose via an RNA intermediate (retrotransposon), and Class II elements transpose via a DNA "cut-and-paste" mechanism (transposons). The
Publicado em: 2007
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5. Transposable elements from the mesophragmatica group of Drosophila
Transposable elements (TEs) are middle repetitive DNA sequences classified into families according to their sequence similarities, such elements can playing an important role in the evolutionary process of their host genomes. There are many reports on the distribution of TEs in the fruit fly genus Drosophila, although there is relatively little information r
Genetics and Molecular Biology. Publicado em: 2006
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6. Transposable elements P and gypsy in natural populations of Drosophila willistoni
The presence and integrity of the P transposon and the gypsy retrotransposon in the genome of 18 samples of natural Drosophila willistoni populations collected from a large area of South America were Southern blot screened using Drosophila melanogaster probes. The aim of this screening was provide further knowledge-base on the geographical distribution of D.
Genetics and Molecular Biology. Publicado em: 2005-12
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7. Gonadal hybrid dysgenesis in Drosophila sturtevanti (Diptera, Drosophilidae)
The occurrence of hybrid dysgenesis was investigated in Drosophila sturtevanti Duda, 1927 using diagnostic crosses similar to those used for induction of dysgenics traits in D. melanogaster. Reciprocal test crosses were made, at 27° C, between an old laboratory strain of D. sturtevanti (COL, from Colombia), assumed to be an M'-like strain, and eight freshly
Iheringia. Série Zoologia. Publicado em: 30/06/2002
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8. A phylogenetic perspective on P transposable element evolution in Drosophila
The P element, originally described in Drosophila melanogaster, is one of the best-studied eukaryotic transposable elements. In an attempt to understand the evolutionary dynamics of the P element family, an extensive phylogenetic analysis of 239 partial P element sequences has been completed. These sequences were obtained from 40 species in the Drosophila su
The National Academy of Sciences of the USA.
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9. The hobo transposable element of Drosophila can be cross-mobilized in houseflies and excises like the Ac element of maize.
The hobo transposable element from Drosophila melanogaster was found to be capable of excision, resulting in donor sites unlike those reported for any other transposable element currently known in animals. These empty sites most closely resemble those left by the transposable elements Ac and Tam3 in Zea mays and Antirrhinum majus, respectively. Like Ac and T
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10. Tn402: a new transposable element determining trimethoprim resistance that inserts in bacteriophage lambda.
We have found that the trimethoprim resistance determinant of the IncP plasmid R751 (Jacob et al., 1977; Jobanputra and Datta, 1974) transposes to bacteriophage lambda. We call this transposable element Tn402.
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11. The Transposable Element Mariner Mediates Germline Transformation in Drosophila Melanogaster
A vector for germline transformation in Drosophila melanogaster was constructed using the transposable element mariner. The vector, denoted pMlwB, contains a mariner element disrupted by an insertion containing the wild-type white gene from D. melanogaster, the β-galactosidase gene from Escherichia coli and sequences that enable plasmid replication and sele
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12. The basis for germline specificity of the hobo transposable element in Drosophila melanogaster.
Previous results suggested that the hobo transposable element is active predominantly in the germline of Drosophila. We investigate germline restriction of hobo transposition by testing in vitro modified elements for their ability to mobilize marked elements in vivo. Although intact hobo elements are germline specific, an hsp70 promoter-hobo transposase fusi