▁in ▁comparison ▁to ▁end omy cor rh iz al ▁structures ▁of ▁ar bus cular ▁my cor rh iza . ▁The ▁surrounding ▁plant ▁memb rane ▁essentially ▁becomes ▁rough ▁end op las mic ▁ret icul um ▁with ▁high ▁amounts ▁of ▁rib os om es ▁and ▁a ▁ple th ora ▁of ▁trans porter ▁prote ins , ▁and ▁aqu apor ins . ▁Additionally ▁there ▁is ▁evidence ▁from ▁electron ▁micro sc opy ▁that ▁indicates ▁the ▁occurrence ▁of ▁ex oc yt osis ▁from ▁the ▁plant ▁memb rane . ▁This ▁highly ▁con vol uted ▁and ▁trans porter ▁rich ▁memb rane ▁expert ly ▁performs ▁the ▁duties ▁of ▁nut ri ent ▁exchange ▁between ▁the ▁plant ▁and ▁fung us ▁and ▁allows ▁for ▁mole cular ▁manip ulation ▁by ▁rib os om es ▁and ▁ex cret ed ▁en zym es ▁within ▁the ▁inter fa cial ▁ap op last . ▁Pel ot ons ▁are ▁not ▁permanent ▁structures ▁and ▁are ▁readily ▁de grad ed ▁and ▁dig ested ▁within ▁ 3 0 ▁to ▁ 4 0 ▁hours ▁of ▁their ▁formation ▁in ▁orch id ▁my cor rh iza . ▁This ▁happens ▁in ▁all ▁end omy cor rh iz al ▁associations ▁but ▁orch id ▁plants ▁readily ▁dig est ▁fung al ▁pel ot ons ▁sooner ▁after ▁formation ▁and ▁more ▁often ▁than ▁is ▁seen ▁in ▁ar bus cular ▁my cor rh iz al ▁interactions . ▁It ▁is ▁proposed ▁that ▁the ▁occurrence ▁of ▁this ▁more ▁extreme ▁dig est ive ▁pattern ▁may ▁have ▁something ▁to ▁do ▁with ▁ne c rot orph ic ▁nut ri ent ▁transfer ▁which ▁is ▁the ▁absor ption ▁of ▁nut ri