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Fig. 9 | BMC Developmental Biology

Fig. 9

From: Electrochemical patterns during Drosophila oogenesis: ion-transport mechanisms generate stage-specific gradients of pH and membrane potential in the follicle-cell epithelium

Fig. 9

Summary of the effects of inhibitors on pHi and Vmem in the WFM- and SIM-experiments. Although both experimental conditions led to somewhat different results (upper part), the effects of the inhibitors can be reliably determined (lower part). While inhibition of both Na+/K+/2Cl-cotransporters (furosemide) and ATP-sensitive K+-channels (glibenclamide) resulted in the most prominent effects on pHi (strong alkalisation), inhibition of voltage-dependent L-type Ca2+-channels (verapamil) led to the most prominent effect on Vmem (strong hyperpolarisation)

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