Genome Research Long non-coding RNAs in C. elegans by Jin-Wu Nam and David Bartel
http://genome.cshlp.org/content/early/2012/06/15/gr.140475.112.abstract?papetoc
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We found hundreds of long intervening ncRNAs (lincRNAs), which had single- or multi-exonic structures that did not overlap protein-coding transcripts, and about seventy antisense lncRNAs (ancRNAs), which were complementary to protein-coding transcripts.
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