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  • Title: Two different and highly organized mechanisms of translation initiation in the archaeon Sulfolobus solfataricus.
    Author: Tolstrup N, Sensen CW, Garrett RA, Clausen IG.
    Journal: Extremophiles; 2000 Jun; 4(3):175-9. PubMed ID: 10879562.
    Abstract:
    The translational starts of 144 Sulfolobus solfataricus genes have been determined by database comparison. Half the genes lie inside operons and the other half are at the start of an operon or single genes. A Shine-Dalgarno sequence is found upstream of the genes inside operons, but not for the first gene in an operon or isolated genes; this indicates that two different mechanisms are used for translation initiation in S. solfataricus. A box A transcriptional signal is found for the genes starting an operon or isolated genes, but not for the genes inside an operon. The box A signal is located about 27 nt upstream of the start codon, which implies that little or no upstream sequence is available for translation initiation for this group of genes. This finding is discussed.
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