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First published online 1 November 2006
doi: 10.1242/dev.02676

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Plant development: new models and approaches bring progress

Salk Institute for Biological Studies, Plant Molecular and Cellular Biology, 10010 North Torrey Pines Road, La Jolla, California 92037, USA.

View larger version (47K): [in a new window]   Fig. 1. A comparison of wild-type and bodenlos or monopteros seedlings and embryos. (A) Wild-type embryo. (B) Phenotype of a bodenlos (bdl) embryo. (Note that the phenotype of monopteros [mp] is identical to that of bodenlos [bdl].) Both bdl and mp mutants show a defect in the division plane of the hypophyseal cell (red arrows), and have defects in root formation, although both proteins accumulate in the cells above the hypophyseal cell (green outline in A). Scale bar: 25 µm. Fig. 1 courtesy of D. Weijers (Wageningen University, Wageningen, The Netherlands).

View larger version (90K): [in a new window]   Fig. 2. FAMAp::FAMA-GFP expression in the guard cells of Arabidopsis stomates. An Arabidopsis leaf epidermis. FAMA protein (green) accumulates in the nucleus of the guard cells and is required for the differentiation of these cells. Chloroplasts appear red through autofluorescence. Scale bar: 25µm. Fig. 2E courtesy of D. Bergman (Stanford University, Palo Alto, CA, USA).

View larger version (83K): [in a new window]   Fig. 3. Nearly isogenic tomato lines differing at the sun locus. Fruit on the left carry the elongated allele of sun, whereas fruit on the right carry the round allele of sun in S. lycopersicum cv Sun1642. Scale bar: 5cm. Image courtesy of V. D. Knaap (Ohio State University, Wooster, OH, USA).