Movie 2.
200 μM ATP triggers a rapid and intense expansion of the excurrent canals (ECs) and prevents their constriction. The outer “tent” tissue is torn, along with parts of the ECs.
ATP and glutamate coordinate contractions in the freshwater sponge Ephydatia muelleri
Journal of Experimental Biology 2025. 228:None-None; doi: 10.1242/jeb.248010