Caracterización molecular de secuencias repetidas en especies de Oéstridos (Oestridae)
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2021-02-24
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[ES]Los oéstridos son una familia de dípteros parásitos que causan miasis, la infestación de hospedadores para
desarrollarse y obtener alimento. El objetivo de este trabajo ha sido la caracterización de las secuencias repetidas
presentes en el genoma de la especie Cephenemyia stimulator, especie que pertenece a los oéstridos y parasita al
corzo. Para ello, se extrajo ADN genómico y se procedió a su secuenciación masiva mediante tecnología Illumina.
Posteriormente se realizó un análisis bioinformático, Repeat Explorer y otros programas nos han permitido
caracterizar las secuencias repetidas. El genoma de C. stimulator resultó ser rico en AT (70 % aproximadamente) y el
porcentaje de secuencias repetidas ocupa un 15.6 %. Los tipos de transposones más frecuentes son los elementos
Jockey, R1, Gypsy y Mariner. Además, se identificaron 35 repetitivos, que representan un 4 % del genoma. Los
monómeros de las secuencias repetidas tienen una longitud de entre 6 y 3210 pb.
[EN]Oestrids are a family of dipterous parasites that cause myiasis, the infestation of hosts to develop and obtain food. The aim of this work was to characterise the repeated sequences present in the genome of the species Cephenemyia stimulator, a species that belongs to the oestrids and parasitizes the roe deer. To do this, genomic DNA was extracted and Next Generation Sequencing was done by Illumina technology. Subsequently, a bioinformatic analysis was carried out, Repeat Explorer and other programmes enabled us to characterise the repeated sequences. The C. stimulator genome was found to be rich in AT (approximately 70%) and the percentage of repeated sequences was 15.6%. The most frequent types of transposons are Jockey, R1, Gypsy and Mariner elements. In addition, 35 repeats were identified, representing 4% of the genome. The monomers of the repeating sequences are between 6 and 3210 bp long.
[EN]Oestrids are a family of dipterous parasites that cause myiasis, the infestation of hosts to develop and obtain food. The aim of this work was to characterise the repeated sequences present in the genome of the species Cephenemyia stimulator, a species that belongs to the oestrids and parasitizes the roe deer. To do this, genomic DNA was extracted and Next Generation Sequencing was done by Illumina technology. Subsequently, a bioinformatic analysis was carried out, Repeat Explorer and other programmes enabled us to characterise the repeated sequences. The C. stimulator genome was found to be rich in AT (approximately 70%) and the percentage of repeated sequences was 15.6%. The most frequent types of transposons are Jockey, R1, Gypsy and Mariner elements. In addition, 35 repeats were identified, representing 4% of the genome. The monomers of the repeating sequences are between 6 and 3210 bp long.