Selected article for: "codon stop and stop codon"
Author: Cobucci-Ponzano, Beatrice; Conte, Fiorella; Benelli, Dario; Londei, Paola; Flagiello, Angela; Monti, Maria; Pucci, Piero; Rossi, Mosè; Moracci, Marco
Title: The gene of an archaeal a-l-fucosidase is expressed by translational frameshifting
  • Document date: 2006_8_18
    • ID: 69gftii4_1
    Snippet: Translation is optimally accurate and the correspondence between the nucleotide and the protein sequences are often considered as an immutable dogma. However, the genetic code is not quite universal: in certain organelles and in a small number of organisms the meaning of different codons has been reassigned and all the mRNAs are decoded accordingly. More surprisingly, the standard rules of genetic decoding are altered in specific genes by differe.....
    Document: Translation is optimally accurate and the correspondence between the nucleotide and the protein sequences are often considered as an immutable dogma. However, the genetic code is not quite universal: in certain organelles and in a small number of organisms the meaning of different codons has been reassigned and all the mRNAs are decoded accordingly. More surprisingly, the standard rules of genetic decoding are altered in specific genes by different events that are globally termed recoding (1) . In all cases, translational recoding occurs in competition with normal decoding, with a proportion of the ribosomes not obeying to the 'universal' rules. Translational recoding has been identified in both prokaryotes and eukaryotes. It has crucial roles in the regulation of gene expression and includes stop codon readthrough, ribosome hopping and ±1 programmed frameshifting [for reviews see (2) (3) (4) ].

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