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Fig. 7. Mutations in ac and sc rescue SOP division defect of
phyl mutants. (A-F) Pupal thoraces stained with anti-Sens (green)
and anti-Hnt (red) antibodies to label all SOP daughter cells. (A)
Wild-type pupal thorax at 24-26 hours APF. All SOPs have divided into three-to
five-cell clusters. (B) In female
phyl2/phyl4 pupal thorax at 24-26
hours APF, 27% microchaetal SOPs have divided into two cells and almost no
microchaetal SOP has divided into a three-to five-cell cluster. Arrowheads
indicate SOP daughter cells of macrochaete (large bristle). Macrochaetal SOPs
were not counted in this assay due to different division timing (Huang, 1991).
(C) Female sc10-1/+;
phyl2/phyl4 pupal thorax. Arrows
indicate SOPs divided into three-to four-cell clusters. (D) Male
phyl2/phyl4 pupal thorax at 22-24
hours APF. 27.8% SOPs have divided. Arrowheads, SOP daughter cells of
macrochaetes. (E,F) accami/Y;
phyl2/phyl4 (E) and
scM6/Y;
phyl2/phyl4 (F) pupal thoraces at
22-24 hours APF. Arrows indicate SOPs divided into three- or four-cell
clusters. Arrowheads in E, SOP daughter cells of macrochaetes. (G)
Percentage of SOP division in thoraces at 22-24 hours APF.
**P<0.0005, *P<0.01,
n=7-22 thoraces. The numbers in parentheses are the number of SOP
scored. Mutant pupae with fewer than 10 SOPs were not scored.
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