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Fecha del embargo
2030-01-01
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- IOC - Artigos de Periódicos [12500]
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THE COMPOSITION OF UPSTREAM OPEN READING FRAMES (UORF) IN FOUR GENES FROM TRYPANOSOMA CRUZI TYPICAL STRAINS
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório Interdisciplinar de Pesquisas Médicas. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório Interdisciplinar de Pesquisas Médicas. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório Interdisciplinar de Pesquisas Médicas. Rio de Janeiro, RJ. Brasil.
Resumen en ingles
Upstream open reading frames (uORF) are small open reading frames located in the 5' untranslated region (5' utr) of a mature mRNA. We analysed in four strains representing the Trypanosoma cruzi groups Tc I, Tc II, Tc IV and Tc VI the uORF present in 5' utr sequences of four genes: P-type H+-ATPase 1, DEAD/H RNA helicase, casein kinase 1.1 and ferredoxin-NADP+ reductase. A segment in the 5' utr at each of these genes encompassing one or more uORF was PCR amplified and sequenced. An analysis of these sequences reveals that the uORF in T. cruzi show minor variations; however, these nucleotide substitutions mirror the divergence of T. cruzi strains into major groups.
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