... Application of the antibody to thin sections of wild-type cells grown on oleic acid medium Fig SKL is required to direct Mls1p to the peroxisomes under oleic acid- medium conditions (A) Speci®city of the ... issue of the partitioning of the glyoxylate cycle in cells grown under fatty acid- medium conditions has hitherto remained open We showed here that one of the key glyoxylate-cycle enzymes, Mls1p, ... location of the glyoxylate cycle in yeast grown on carbon sources other than fatty acids The only other key enzyme unique to the glyoxylate cycle, Icl1p, is also extra-peroxisomal [4], as are the...