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Fig. 7. The effect of the generic protein kinase inhibitor H-7 and the PKG
inhibitor KT-5823 on the digging rhythm. (Ai) A 10 min bath application of 0.1
mmol l–1 H-7 resulted in a significant decrease in cycle
frequency (t=4.93, *P<0.05, mean ±
s.e.m. from five animals). A 30 min wash with locust saline resulted in a
partial recovery of the digging rhythm to control levels. (Aii) A 10 min bath
application of H-7 resulted in a decrease in the number of cycles (three
cycles) compared with control (five cycles). A 30 min wash with locust saline
resulted in a partial recovery of the digging rhythm to control levels. (Bi) A
10 min bath application of 10 µmol l–1 KT-5823 resulted in
a significant decrease in the cycle frequency (t=2.8,
*P<0.05, mean ± s.e.m. from five animals). (Bii)
A 10 min bath application of KT-5823 resulted in a decrease in the number of
cycles (five cycles) from a control value of six. This particular recording
shows that a 30 min wash with locust saline did not result in the number of
cycles returning to its control value.