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Current Topics in Genetics   Volumes    Volume 3 
Tyrosine 3-hydroxylase and sexual isolation of MoxGM95, a phenol oxidase-deficient variant, in Drosophila melanogaster
Nobuhiko Asada, Satoko Kitamura, Rika Nomura, Takashi Kodama, Kouji Tanaka, Kikuko Saeki, Miki Saitou
Pages: 1 - 7
Number of pages: 7
Current Topics in Genetics
Volume 3 

Copyright © 2008 Research Trends. All rights reserved

Tyrosine 3-hydroxylase was analyzed for activity in gel and in HPLC as the catechol-related enzyme in MoxGM95, a phenol oxidase activity-deficient variant, in Drosophila melanogaster. A single band of tyrosine 3-hydroxylase in the gel was detected in native PAGE, and a peak of L-dopa from L-tyrosine was presented. Higher frequencies of non-sexual locomotor activity and sexual behavior comprising male wing flicks and female mating propensity were seen in MoxGM95 than in Mox, whereas more latent behavior comprising non-sexual climbing activity was seen in MoxGM95. These results show that MoxGM95 is not always defective in phenol oxidase activity, and is not defective in behavioral activity.
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