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We have recently shown that transcription initiation RNAs (tiRNAs) are derived from sequences downstream of transcription start sites. Here we report the identification of a second class of nuclear-specific ~17-18 nucleotide small RNA whose 3M-bM-^@M-^Y ends map precisely to the splice donor site of...
ORGANISM(S): Homo sapiens 
RNA profiling of mouse haemopoetic lineages RNA profiling of mouse haemopoetic lineages. For the isolation and sequencing of ouse granulocyte nuclei, bone marrow from C57BL/6J was harvested from the femur, tibia and spine using a mortar and pestle in PBS supplemented with 2% (v/v) FCS and mature gra...
ORGANISM(S): Mus musculus 
Transposable elements comprise a large proportion of animal genomes. Transcripts of transposable elements are a source for the synthesis of endogenous siRNAs and piRNAs. In order to determine if small RNAs mapped to expressed Tc1-like elements are present during early Xenopus tropicalis development,...
ORGANISM(S): Xenopus (Silurana) tropicalis 
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