CONSENT OF ERNST & YOUNG LLP, ON GENOME THERAPEUTICS CORP.

EX-23.1 4 dex231.htm CONSENT OF ERNST & YOUNG LLP, ON GENOME THERAPEUTICS CORP. CONSENT OF ERNST & YOUNG LLP, ON GENOME THERAPEUTICS CORP.

EXHIBIT 23.1

CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption “Experts” in this Amendment No. 2 to the Registration Statement on Form S-3 and related Prospectus of Genome Therapeutics Corp. and to the incorporation by reference therein of our report dated February 18, 2003, except for Note 13 as to which the date is March 14, 2003, with respect to the consolidated financial statements of Genome Therapeutics Corp. included in its Annual Report (Form 10-K) for the year ended December 31, 2002, filed with the Securities and Exchange Commission.

/s/ ERNST & YOUNG LLP

Boston, Massachusetts

January 27, 2004