Nucleotide sequence conservation in paramyxoviruses; the concept of codon constellation.

Abstract excerpt

The stability and conservation of the sequences of RNA viruses in the field and the high error rates measured in vitro are paradoxical. The field stability indicates that there are very strong selective constraints on sequence diversity. The nature of these constraints is discussed. Apart from constraints on variation in cis-acting RNA and the amino acid sequences of viral proteins, there are other ones relating...

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