▁their ▁secondary ▁stage ▁of ▁in fection ▁after ▁ 9 – 1 1 ▁days . ▁About ▁ 1 7 ▁days ▁after ▁in fection , ▁the ▁lar va e ▁arrive ▁at ▁the ▁t ert i ary ▁stage ▁followed ▁by ▁a ▁qu atern ary ▁molt ▁ 5 ▁days ▁later . ▁The ▁lar va e ▁complete ▁their ▁last ▁molt ▁ 2 9 ▁days ▁after ▁in fection ▁and ▁transform ▁into ▁m ature ▁dio e cious ▁adult s . ▁These ▁wh ip w orm s ▁use ▁their ▁anterior ▁ends ▁to ▁embed ▁themselves ▁into ▁the ▁cells ▁that ▁line ▁the ▁walls ▁of ▁the ▁large ▁int est ine . ▁After ▁establish ing ▁their ▁place ▁in ▁the ▁int est inal ▁wall , ▁the ▁adult ▁w orm s ▁mate ▁and ▁release ▁un emb ry on ated ▁eggs ▁into ▁the ▁environment ▁via ▁the ▁f ec es . T . ▁mur is ▁re lies ▁on ▁direct ▁contact ▁with ▁int est inal ▁b acter ia ▁ ▁to ▁promote ▁h atch ing ▁of ▁the ▁emb ry on ated ▁eggs . ▁Using ▁green ▁flu ores cent ▁protein ▁( G FP ) ▁and ▁E . ▁col i ▁stra ins , ▁the ▁b acter ia ▁are ▁seen ▁to ▁gather ▁ ▁specifically ▁around ▁the ▁oper cul a , ▁which ▁are ▁located ▁at ▁the ▁pol es ▁of ▁the ▁eggs . ▁The ▁b acter ia ▁contain ▁type ▁ 1 ▁f imb ria e , ▁which ▁possess ▁ad hes in ▁F im H ▁at ▁their ▁f imb rial ▁tips . ▁F im H ▁interact s ▁with ▁a ▁man nos yl ated ▁re ceptor ▁found ▁on