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First published online January 12, 2004
Journal of Experimental Biology 207, 675-681 (2004)
Published by The Company of Biologists 2004
doi: 10.1242/jeb.00816

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Glucose dehydrogenase is required for normal sperm storage and utilization in female Drosophila melanogaster

Kaori Iida and Douglas R. Cavener^*

Department of Biology, The Pennsylvania State University, 208 Mueller Laboratory, University Park, PA 16802, USA

View larger version (134K): [in a new window]   Fig. 1. A representative glucose dehydrogenase (GLD) expression pattern in adult D. melanogaster female reproductive organs. OV, oviduct; SP, spermathecae; SR, seminal receptacle; UT, uterus. Two arrows point to the GLD expression in the proximal and distal ends of the spermathecal ducts.

View larger version (16K): [in a new window]   Fig. 2. Temporal distributions of progeny production by Gld-/- and Gld+/- females following the first mating. The y-axis shows the average relative number of progeny produced in a two-day period [the average of (no. of progeny produced in a two-day period)/(total no. of progeny produced over 11 days)]. The difference between the two genotypes was tested by t-test at each time point (*P<0.001; **P<0.0001). Filled bars, Gld mutant (N=24); open bars, wild-type control (N=23). The averages of the total progeny number are 410 (Gld-/-) and 291 (Gld+/-).