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Fig. 3. In situ localization of SVP in wild-type and ap1-1
Arabidopsis plants. (A) A longitudinal section of a wild-type
inflorescence apex hybridized with AP1 antisense probe.
(B,C) Two successive longitudinal sections of a wild-type
inflorescence apex hybridized with SVP antisense probe.
(D,E) Longitudinal sections of wild-type floral meristems at
stage 3 (D) and stage 7 (E) hybridized with SVP antisense probe.
(F) A longitudinal section of an ap1-1 inflorescence apex
hybridized with SVP sense probe. (G-I) Serial longitudinal
sections of an ap1-1 inflorescence apex hybridized with SVP
antisense probe. An arrow in I indicates another floral meristem appearing at
the edge of the inflorescence meristem. (J) Longitudinal section
through ap1-1 floral meristems at stage 3 or later stages hybridized
with SVP antisense probe. Arrows indicate the ectopic expression of
SVP. (K,L) Two successive longitudinal sections of an
ap1-1 stage-4 floral meristem hybridized with SVP antisense
probe. Note the ectopic expression of SVP in the adaxial surface of
the first whorl organs. Numbers in A-L indicate floral stages
(Smyth et al., 1990). Scale
bars: 100 µm for all panels.
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