An adenovirus agnogene.
AUTOR(ES)
Virtanen, A
RESUMO
The nucleotide sequence of a 550 base pairs long segment, located between map positions 21 and 22.5 in the adenovirus type 2 genome has been determined. S1 nuclease mapping and sequence analysis of cDNA copies of adenovirus mRNA demonstrated that the established sequence includes the i-leader which is spliced to the 5'-end of certain adenovirus mRNAs (1). The i-leader which is 440 nucleotides long contains an open translational reading frame which is preceded by an AUG triplet and which terminates in the third segment of the tripartite leader. A polypeptide with the same molecular weight as predicted from the DNA sequence was identified by in vitro translation of mRNA which had been selected by hybridization to DNA fragments, containing sequences from the i-leader. The results thus suggest that the i-leader, unlike other adenovirus leader segments, is used for translation.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=320632Documentos Relacionados
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