EXHIBIT 23.1



            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption "Experts" in this
Registration Statement (Form S-3) and related Prospectus of Enzo Biochem, Inc.
for the registration of shares of its common stock and to the incorporation by
reference therein of our reports dated October 5, 2006, with respect to the
consolidated financial statements and schedule of Enzo Biochem, Inc., Enzo
Biochem, Inc. management's assessment of the effectiveness of internal control
over financial reporting, and the effectiveness of internal control over
financial reporting of Enzo Biochem, Inc., included in its Annual Report (Form
10-K) for the year ended July 31, 2006, filed with the Securities and Exchange
Commission.


/s/ Ernst and Young LLP
Melville, New York
October 30, 2006