Guide RNA-independent and guide RNA-dependent uridine insertion into cytochrome b mRNA in a mitochondrial lysate from Leishmania tarentolae. Role of RNA secondary structure

Gregory J. Connell, Elaine M. Byrne, Larry Simpson

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A primer extension assay was used for the detection of uridine insertions occurring in vitro in synthetic pre-edited cytochrome b mRNA during incubation with a Leishmania tarentolae mitochondrial extract. Two different activities were detected that inserted uridines within the first two editing sites: one that is dependent on the secondary structure of the mRNA but is independent of both exogenous and endogenous guide RNA, and a second that does not put the same structural constraints on the mRNA, but is dependent on the presence of a cognate guide RNA.

Original languageEnglish (US)
Pages (from-to)4212-4218
Number of pages7
JournalJournal of Biological Chemistry
Volume272
Issue number7
DOIs
StatePublished - 1997

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