Abstract
Non-messenger RNAs (nmRNAs) play a wide and essential role in cellular functions. Computational identification of novel nmRNAs in genomes of model organisms is severely restricted owing to their lack of an open reading frame. Hence, we describe experimental approaches for their identification by generating cDNA libraries derived from nmRNAs for which we coined the term experimental RNomics. Two different procedures are introduced for cDNA library construction. First, we describe the construction of a general purpose cDNA library from sized RNA fractions. Second, we introduce a more specialized RNomics strategy employing this approach to generate a cDNA library from a specific abundant class of nmRNAs. This is illustrated using as a paradigm the two families of small nucleolar RNAs that guide modification of nucleotides in rRNAs or spliceosomal RNAs small nuclear RNAs (snRNAs) by short antisense elements complementary to the modification site. Following the identification of novel members from the class of small nuclear RNAs by experimental RNomics, we demonstrate how their target sequences in rRNAs or snRNAs can be identified.
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Hüttenhofer, A., Cavaillé, J., Bachellerie, JP. (2004). Experimental Rnomics. In: Gott, J.M. (eds) RNA Interference, Editing, and Modification. Methods in Molecular Biology, vol 265. Humana Press. https://doi.org/10.1385/1-59259-775-0:409
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DOI: https://doi.org/10.1385/1-59259-775-0:409
Publisher Name: Humana Press
Print ISBN: 978-1-58829-242-1
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