pubmed-article:18772247 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C0035696 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C0001473 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C0041217 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C1167622 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C1145667 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C0376315 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C0678594 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C2825311 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C2349209 | lld:lifeskim |
pubmed-article:18772247 | lifeskim:mentions | umls-concept:C1711351 | lld:lifeskim |
pubmed-article:18772247 | pubmed:issue | 10 | lld:pubmed |
pubmed-article:18772247 | pubmed:dateCreated | 2008-9-29 | lld:pubmed |
pubmed-article:18772247 | pubmed:abstractText | T. brucei survival relies on the expression of mitochondrial genes, most of which require RNA editing to become translatable. In trypanosomes, RNA editing involves the insertion and deletion of uridylates, a developmentally regulated process directed by guide RNAs (gRNAs) and catalyzed by the editosome, a complex of proteins. The pathway for mRNA/gRNA complex formation and assembly with the editosome is still unknown. Work from our laboratory has suggested that distinct mRNA/gRNA complexes anneal to form a conserved core structure that may be important for editosome assembly. The secondary structure for the apocytochrome b (CYb) pair has been previously determined and is consistent with our model of a three-helical structure. Here, we used cross-linking and solution structure probing experiments to determine the structure of the ATPase subunit 6 (A6) mRNA hybridized to its cognate gA6-14 gRNA in different stages of editing. Our results indicate that both unedited and partially edited A6/gA6-14 pairs fold into a three-helical structure similar to the previously characterized CYb/gCYb-558 pair. These results lead us to conclude that at least two mRNA/gRNA pairs with distinct editing sites and distinct primary sequences fold to a three-helical secondary configuration that persists through the first few editing events. | lld:pubmed |
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pubmed-article:18772247 | pubmed:language | eng | lld:pubmed |
pubmed-article:18772247 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:18772247 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:18772247 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |