Nucleotide sequences at the 5'-termini of the alfalfa mosaic virus RNAs and the intercistronic junction in RNA 3.
AUTOR(ES)
Koper-Zwarthoff, E C
RESUMO
Nucleotide sequences at the 5'-termini of the alfalfa mosaic virus genomic RNAs and the intercistronic junction in RNA 3 were deduced and compared to identify possible common recognition signals for replicating enzymes in the corresponding minus-stranded viral RNAs. Homology between the 5'-terminal sequences is less than 11 nucleotides and no complementarity with the homologous sequence occurring at the 3'-end of the viral RNAs was observed. Homology between the 5'-terminus and intercistronic region in RNA 3 is compatible with the synthesis of subgenomic RNA 4 by internal initiation of transcription on the RNA 3 minus strands. The sequence around the intercistronic junction can be folded into a very stable secondary structure.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=324331Documentos Relacionados
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