The abstract is read at the publisher; the summary is JClub's.
EMS mutagenesis in Arabidopsis thaliana is so G/C→A/T–biased that only 29 amino acid substitutions are possible in proteins.
- Why it matters: Although EMS’s nucleotide-level bias is well established, its direct impact on the range of protein changes it can generate has been largely unexamined.
- What they did: The study maps EMS’s skewed base-pair transition spectrum onto protein-coding outcomes, determining the set of amino acid substitutions compatible with EMS chemistry.
- The result: The resulting constraint—29 possible amino acid substitutions—highlights what protein-level variation EMS can produce and what it systematically misses.
The findingWhy it mattersWhat they didThe result
AI summary of the abstract · may contain errors · not medical advice · read the paper.