Of Fish and Micrornas

Dennis Bela-Ong, Brian Dall Schyth, Niels Lorenzen

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    Abstract

    Fish is an important small vertebrate multidisciplinary model for investigating various aspects of reproduction, development, disease (immunology, toxicology, carcinogenesis), and aging. It is also an important model for comparative and evolutionary studies because it represents the lower vertebrates and serves as an essential link to early vertebrate evolution. Microribonucleic acids (miRNAs) are 18-22 nucleotide-long endogenous RNAs that bind to specific mRNAs, usually at the 3’-untranslated region, (UTR), thereby potently regulating a wide spectrum of target mRNAs. This adds a new layer to the mechanisms of control of gene expression, impacting a broad range of biological processes. Thus far, >25, 000 miRNA sequences have been identified in 193 species, including fish. In fish, the interest on miRNAs started with the analysis of their expression and function during embryonic development. In our lab, we investigate miRNA regulation during viral infection and vaccination in rainbow trout. We aim to identify miRNA biomarkers during infection and vaccination in order to understand the complex web of interactions involved in the underlying host immune responses. They may also be used as suitable selection markers to identify disease-resistant fish.
    Original languageEnglish
    Publication date2013
    Number of pages1
    Publication statusPublished - 2013
    Event17th Annual Workshop of the National Reference Laboratories for Fish Diseases - DTU Veterinærinstituttet, Frederiksberg, Copenhagen, Denmark
    Duration: 29 May 201330 May 2013
    http://www.eurl-fish.eu/

    Workshop

    Workshop17th Annual Workshop of the National Reference Laboratories for Fish Diseases
    LocationDTU Veterinærinstituttet, Frederiksberg
    CountryDenmark
    CityCopenhagen
    Period29/05/201330/05/2013
    Internet address

    Bibliographical note

    Oral presentation.

    Cite this

    Bela-Ong, D., Schyth, B. D., & Lorenzen, N. (2013). Of Fish and Micrornas. Abstract from 17th Annual Workshop of the National Reference Laboratories for Fish Diseases, Copenhagen, Denmark.