strong amber suppressor, partially or completely suppresses amber alleles of more than forty different genes; suppression strongest at low temperature; otherwise no gross phenotype alone; Easy to score (ES3) in presence of unc-13(e450) etc.
bar-1(mu63) suppressed the ectopic expression of MAB-5 in QR neuroblasts, anterior V cells, and ventral cord neurons caused by the pry-1(mu38) mutation