Multiple roles of the coding sequence 5' end in gene expression regulation

Tamir Tuller, Hadas Zur

Research output: Contribution to journalArticlepeer-review


The codon composition of the coding sequence's (ORF) 5' end first few dozen codons is known to be distinct to that of the rest of the ORF. Various explanations for the unusual codon distribution in this region have been proposed in recent years, and include, among others, novel regulatory mechanisms of translation initiation and elongation. However, due to the fact that many overlapping regulatory signals are suggested to be associated with this relatively short region, its research is challenging. Here, we review the currently known signals that appear in this region, the theories related to the way they regulate translation and affect the organismal fitness, and the debates they provoke.

Original languageEnglish
Pages (from-to)13-28
Number of pages16
JournalNucleic Acids Research
Issue number1
StatePublished - 1 Sep 2015


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