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genetic code

Pioneering Geneticist C. Thomas Caskey Dies at 83

Natalia Mesa, PhD | Jan 28, 2022 | 3 min read

Caskey’s contributions to the field were instrumental to modern genetics.

Artist’s rendering of the protein synthesis process, in which a tRNA molecules carry amino acids to a ribosome that’s decoding a strand of mRNA.

Screen of 250,000 Species Reveals Tweaks to Genetic Code

Dan Robitzski | Nov 9, 2021 | 5 min read

A massive screen of bacterial and archaeal genomes revealed five previously unknown instances where an organism uses an alternate code to translate genetic blueprints into proteins.

a smiling woman standing between a much taller man and woman

Protein Size Matters

David Adam | Sep 23, 2021 | 3 min read

A study probes how genetic duplications that can swell protein length influence human traits such as height and kidney function.

streaks of white bacterial colonies on a blue Petri dish

Many Bacteria and Archaea Promoters Work Forward and Backward

Jack J. Lee | May 28, 2021 | 4 min read

New analyses find that divergent transcription, in which one promoter directs the expression of two adjacent genes oriented in opposite directions, is conserved across all domains of life.