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Fig. 5. Expression of slp is repressed by En. (A) Expression of
slp in a wild-type st11 embryo. (B) Expression of slp in an
embryo that expresses both ectopic en and lacZ under the
control of paired-Gal4 [prdG4(Z) UAS-En]. slp
transcripts (black) disappear where En is ectopically expressed (here the
domain of ectopic expression is recognized with a lacZ probe in red).
(C) Abdominal region (A5-A8) of a wild-type embryo showing the expression of
slp at high magnification. (D) Similar view of an st11 embryo
expressing VP16En under the control of paired-Gal4. Notice the
broadening of the slp stripes in odd-numbered segments, where
paired-Gal4 is active.
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