Figure 1.

Analysis of the Cytokinin Pathway during Ovule Development.

Ovule stages as in Schneitz et al. (1995).

(A) Schematic representation of the cytokinin pathway and the genes analyzed in this article.

(B) to (E) GUS expression in IPT1pro:GUS ovules from stage 2-III to stage 3-VI.

(F) to (H) GFP expression in TCSpro:GFP ovules from stage 2-III to ovule stage 3-V.

(I) to (L) GUS expression in AHK2pro:GUS ovules from stage 1-I to stage 3-V.

(M) to (P) GUS expression CRE1pro:GUS ovules from stage 1-I to stage 3-V.

(Q) Scheme of ovule development from stage 1-II to stage 3-V.

chal, chalaza; f, funiculus; fg, female gametophyte; ii, inner integument; oi, outer integument; n, nucellus.

Bars = 20 μm.