Exhibit No. 23.2
Consent of Ernst & Young LLP, Independent Auditors
We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-63534) pertaining to the 1996 Stock Option Plan and (Form S-8 No. 333-47758) pertaining to the 1996 Stock Option Plan, 2000 Employee Stock Purchase Plan and the 2000 Non-Employee Directors’ Stock Option Plan of Kosan Biosciences Incorporated of our report dated February 8, 2002 with respect to the financial statements of Kosan Biosciences Incorporated included in the Annual Report (Form 10-K) for the year ended December 31, 2001.
/s/ | ERNST & YOUNG LLP |
Palo Alto, California
March 25, 2002