Isolation of suppressors of hop 1, sel 12, and spe 4 and {HEAD ~ isolation} of molecules acting in {TAIL ~ the AD pathway} 
Isolation of suppressors of hop 1 , sel 12 , and spe 4 and { HEAD ~ isolation } of molecules acting in { TAIL ~ the AD pathway }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL