Circular RNAs (circRNAs) are covalently closed circular non-coding RNAs. Due to their structure,circRNAs are good candidates for disease biomarkers. Despite the scientific relevance of thesemolecules, the study of circRNAs in non-model organisms is still in its infancy. Here, we analyse RNAseqdata to identify circRNAs from two sheep tissues: peripheral blood mononuclear cells (PBMCs)and parietal lobe cortex. Out of 2510 and 3403 circRNAs detected in parietal lobe cortex and inPBMCs, a total of 1379 novel circRNAs were discovered. Remarkably, around 63% of all detectedcircRNAs were found to be completely homologous to a circRNA annotated in human. Besides, ourresults support the miRNA sponge function of CDR1-AS in sheep brain, as reported in human.
RNA zirkularrak (circRNAk) modu kobalentean itxitako RNA ez-kodetzaile zirkularrak dira. Dutenegitura dela eta, circRNAk gaixotasunen biomarkatzaile gisa erabiltzeko aproposak dira. Molekulamota hauek garrantzi zientifikoa badute ere, animalia ez-ereduetan ikerketa garatu gabe dago oraindik.Lan honetan bi ehun desberdinen RNA-seq datuak aztertu dira ardiaren circRNAk identifikatzeko.Garun azalean eta odol-zelula mononuklearretan 2510 eta 3403 circRNA detektatu dira, horietatik1379 guztiz berriak. Harrigarria da detektatu diren circRNA molekulen moztu-itsasteen %63agizakiarekiko guztiz homologoak direla. Gainera, gizakian ikusi den bezala, emaitzek CDR1-AScircRNA ardiaren garunean dituen funtzioak babesten dituzte.
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