definiens: means an antibacterial target for which anassay has been developed, that is accepted by the Joint SteeringCommittee ( ) for development OfGi9h throughput screeningprocedures or other drug discovery procedures established by theparties under the auspices of the JSC and that meets one or moreof the following criteria : 1 ) a gene or gene product whoseactivity is essential for bacterial growth and viability andwhich has not been previously discovered or has previously beenidentified only as an open reading frame the function of which isnot well characterized ; 2 ) a gene or gene product, the activity2\Iof which is essential for bacterial growth and viabilicy, whichhas already been discovered but has not previously bee ~ recognized as essential for bacterial growch and viabilicy ; 3 ) aof a WYETH - AYERST Compound or other compound of interest towhich is considered to make them good candidaces forgenes or gene functions or molecular targets the activity ofgene or gene product, the activity of which is essential forbacterial growth and viability, that is identified as the targec--1 = c~.-<;;>*~ WYETH - AYERST with previously identified antibacterial activityC)------------------------------------LL - wherein the target was not previously identified, or 4 ) otherz : CJc:-:>antimicrobial chemotherapy as agreed by the JSC