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Title

Genomic cartography and proposal of nomenclature for the repeated, interspersed elements of the Leishmania major SIDER2 family and identification of SIDER2-containing transcripts

AuthorsRequena, José María ; Rastrojo, Alberto ; Garde, Esther ; López López, Manuel Carlos; Thomas, María del Carmen; Aguado, Begoña
KeywordsLeishmania
SIDER2
Genome
Nomenclature
Transcripts
Issue DateMar-2017
PublisherElsevier
CitationMolecular and Biochemical Parasitology
AbstractThe genomes of most eukaryotic organisms contain a large number of transposable elements that are able to move from one genomic site to another either by transferring of DNA mobile elements.(transposons) or transpose via reverse transcription of an RNA intermediate (retroposons). An exception to this rule is found in protists of the subgenus Leishmania, in which active retroposons degenerated after a flourishing era, leaving only retroposon remains; these have been classified into two families: SIDER1 and SIDER2. In this work, we have re-examined the elements belonging to the family SIDER2 present in the genome of Leishmania major with the aim of providing a nomenclature that will facilitate a future reference to particular elements. According to sequence conservation, the 1100 SIDER2 elements have been grouped into subfamilies, and the inferred taxonomic relationships have also been incorporated into the nomenclature. Additionally, we are providing detailed data regarding the genomic distribution of these elements and their association with specific transcripts, based on the recently established transcriptome for L major. Thus, the presented data can help to study and better understand the roles played by these degenerated retroposons in both regulation of gene expression and genome plasticity. (C) 2016 Elsevier B.V. All rights reserved.
Publisher version (URL)http://dx.doi.org/10.1016/j.molbiopara.2016.12.009
URIhttp://hdl.handle.net/10261/181199
DOI10.1016/j.molbiopara.2016.12.009
ISSN0166-6851
E-ISSN1872-9428
Appears in Collections:(IPBLN) Artículos
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