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Fig. 1 | BMC Plant Biology

Fig. 1

From: Conservation of the role of INNER NO OUTER in development of unitegmic ovules of the Solanaceae despite a divergence in protein function

Fig. 1

Integument specific expression of SlINO. a-c In-situ hybridization with a labeled SlINO antisense RNA probe in tomato ovules. Purple stain indicates hybridization to SlINO mRNA. a Longitudinal section of stage 8 carpel with ovule primordia (arrowheads) prior to integument initiation showing no hybridization signal. b Cross-section of stage 14 ovules with exposed nucelli (*) showing hybridization signal in outermost cell layer of the integument. c Stage 16 ovules show the specificity of the SlINO expression pattern, with no hybridization in placenta, funiculus or inner cell layers of the ovule. arrowhead, ovule primordium; *, nucellus; o, ovule; p, placenta. Scale bars are 40 μm

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