Proving the genetic code's flexibility
Thursday, March 31, 2016 - 13:50
in Biology & Nature
Three-letter codons in a genome sequence can represent one of the 20 regularly used amino acids or stops. Scientists have discovered that microorganisms recognize more than one codon for selenocysteine. The finding adds credence to recent studies indicating that an organism's genetic vocabulary is not as constrained as had been long held.
