정원석, 이상길, 홍성중, 최차용, 윤여준, "Heterologous Expression of the tylactone Gene Cluster &
Comparision of the productin levels of tylactone between S. venezuelae and S.lividans", 2004 Annual Meeting
BioExibition International Symposium, 2004, 380

이상길, 홍성중, 정원석, 윤여준 "Combinatorial Biosynthetic Strategies for Generation of Hybrid polyketides",
2004 Annual Meeting BioExibition International Symposium, 2004, 174 (구두 발표)

홍성중, 이상길, 정원석, 고화수, 박희섭, 송재경, 최차용, 윤여준, "A system for combinatorial biosynthesis of novel glycosylated macrolides in Streptomyces venezuelae", 한국생물공학회, 2004, 548

이상길, 최차용, 안종석, 류영신, 윤여준 "The Role of Erythromycin C-12, Hydroxylase, EryK, as Substitute for PikC Hydroxylase in Pikromycin Biosynthesis", 한국공업화학회 춘계학술대회, 2004 May, 98

이상길, 유영신, 홍성중, 정원석, 안종석, 최차용, 윤여준, "Heterologous Expression of the Tylactone Gene
Cluster and Production of Novel Polyketide", YABEC, 2003, 63

정원석, 김응수, 강한영, 최차용, 윤여준, "Construction of Trimodular Pikromycin Polyketide Synthase",
한국생물공학회, 2003, 596

홍성중, 송재경, 김병기, 최차용, 윤여준, "Combinatorial biosynthesis of dexoysugar and incorporation into
polyketide by a novel glycosyltrasferase", 한국생물공학회, 2003, 594

이상길, 류영신, 김정호, 홍성중, 정원석, 이희찬, 류근갑, 최차용, 안종석, 윤여준 "Generation of Structurally Diverse Hybrid Polyketides through Combinatorial Biosynthesis of Substrate-flexible Cytochrome P450 Monooxygenases", 13th International Symposium on the Biology of Actinomycetes, 2003 Dec, 45.
(구두발표).

윤여준, 2003, Convention of the Pharmaceutical Society of Korea, 2003, 75.

이상길, 유영신, 김정호, 최차용, 윤여준, "Structural Diversification of Polyketides through combinatorial
biosynthesis of Substrate-flexible Cytochrome P450 Monooxygenase", 2003 Annual Meeting & International
Symposium of the KMB, 2003 Aug, 243 (구두발표)