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Fig. 4. unc-driven GFP expression in testes and sensory neurons. (A)
Apical end of adult testis with GFP fluorescence (green) and autofluorescence
from spermatid mitochondria (blue). The unc promoter region drives
visible GFP expression in spermatocytes, but not in the early gonial or stem
cells at the apical tip (arrow). (B-E) GFP expression in peripheral sensory
neurons of the embryo (B,C) and pupal wing margin (D,E), visualized with
anti-GFP (green) and the neuronal marker Futsch (MAb22C10, red). unc
is also expressed in the campaniform sensilla of the wing blade, but these
cells appear red because of strong expression of Futsch. Scale bars: 40
µm.