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Fig. 2. Enhancer characterisation of the genomic region responsible for
CG11339 expression in endoderm. (A) Scheme of the 100B4-B5 genomic
region of CG11339. The two isoforms are indicated, as well as the
sequence of the consensus Lab/Exd/Hth-binding site found by in silico
approach. Genomic fragments tested for enhancer activities are shown:
fragments testing positive are shown in blue. (B) ß-Gal staining in lines
carrying the lacZ transgene under the control of the different
genomic regions, corresponding to fragments A-E and sub-fragments EI-EVIII
derived from fragment E. All embryos are shown for stage 14 of
embryogenesis.
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