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Mechanisms of Olfaction in Insects - ResearchSpace@Auckland ...

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The roles <strong>of</strong> Epiphyas postvittana GOBP2 <strong>in</strong> odour detection 73<br />

0.35<br />

0.30<br />

0.25<br />

0.20<br />

∆F<br />

0.15<br />

0.10<br />

0.05<br />

0.00<br />

0.35<br />

0.30<br />

0.25<br />

0.20<br />

∆F<br />

0.15<br />

0.10<br />

0.05<br />

0.00<br />

A<br />

-16 -14 -12 -10 -8 -6 -4<br />

[Methyl Salicylate] (Log M)<br />

C<br />

-16 -14 -12 -10 -8 -6 -4<br />

[Methyl Salicylate] (Log M)<br />

0.35<br />

0.30<br />

0.25<br />

0.20<br />

∆F<br />

0.15<br />

0.10<br />

0.05<br />

0.00<br />

0.35<br />

0.30<br />

0.25<br />

0.20<br />

∆F<br />

0.15<br />

0.10<br />

0.05<br />

0.00<br />

B<br />

-16 -14 -12 -10 -8 -6 -4<br />

[Methyl Salicylate] (Log M)<br />

D<br />

-16 -14 -12 -10 -8 -6 -4<br />

[Methyl Salicylate] (Log M)<br />

Figure 3.9: Dose response curves <strong>of</strong> EpOR1 to methyl salicylate <strong>in</strong> the concentration<br />

range <strong>of</strong> 10 -5 M to 10 -16 M <strong>in</strong> the absence <strong>of</strong> both DMSO and EpGOBP2 (A), with<br />

DMSO (B), or with EpGOBP2 (C) or with methyl salicylate solubilised <strong>in</strong> DMSO and<br />

the cells <strong>in</strong>cubated with EpGOBP2 (D). Error bars represent the standard error <strong>of</strong> six<br />

to eight respond<strong>in</strong>g cells.

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