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Fig. 4. In situ localization of SOC1 in wild-type and ap1-1
Arabidopsis plants. (A-D) Serial longitudinal sections of a
wild-type inflorescence apex hybridized with SOC1 antisense probe. An
arrow in D indicates another floral meristem appearing at the edge of the
inflorescence meristem. (E,F) Longitudinal sections of wild-type
floral meristems at stage 4 (E) and stage 7 (F) hybridized with SOC1
antisense probe. (G) A longitudinal section of an ap1-1
inflorescence apex hybridized with SOC1 sense probe. (H) A
longitudinal section of an ap1-1 stage-7 floral meristem hybridized
with SOC1 sense probe. (I-N) Serial longitudinal sections of
an ap1-1 inflorescence apex hybridized with SOC1 antisense
probe. Note the ectopic expression of SOC1 in floral meristems at
stage 1 to early stage 3. (O,P) Longitudinal sections of
ap1-1 floral meristems at stage 3 (O) and stage 7 (P) hybridized with
SOC1 antisense probe. Note the SOC1 expression throughout
the stage 3 and stage 7 floral meristems. Numbers in A-P indicate floral
stages (Smyth et al., 1990).
Scale bars: 100 µm for all panels.
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