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Cell. 1994 Jan 14;76(1):171-82.

Identification of a small RNA that interacts with the 5' splice site of the Trypanosoma brucei spliced leader RNA in vivo.

Author information

1
University of California, San Francisco.

Abstract

In vivo psoralen cross-linking of the trypanosome spliced leader (SL) RNA has led to the discovery of a small RNA that we provisionally call the spliced leader-associated (SLA) RNA. The 72 nt SLA RNA is unlike any known small RNA except for a small region that resembles U5 snRNA. The SL/SLA RNA cross-links map to two regions, the predominant interactions occurring between the 5' splice site region of the SL RNA and a CUUUUA sequence in the SLA RNA. The resemblance between these cross-links and interactions of U5 snRNA with cis-spliced pre-mRNAs suggests that the SLA RNA may be the trans-splicing analog of U5 snRNA in trypanosomes.

PMID:
8287476
DOI:
10.1016/0092-8674(94)90181-3
[Indexed for MEDLINE]

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