Isolation of RhodotorucineA, a Peptidyl Factor Inducing the Mating Tube Formation inRhodosporidium toruloides

Abstract

After twelve steps of purification, a peptidyl factor named rhodotorucine A^*1 was isolated in pure form from a culture filtrate of A type cells of Rhodosporidium toruloides. Rhodotorucine A induced the mating tube formation in a cells, opposite mating type cells of the yeast, at a concentration of 8 ng/ml. A factor in the previous papers is now renamed rhodotorucine A.