Organ- and tissue-specific expression of AtTLP3 in AtTLP3Prom:GUS plants. Four-day-old seedling (A), roots of 18-d-old plants (B–D), rosette leaf (E), anthotaxy (F), single flower with some sepals and petals removed (G), and mature silique (H) are shown. Bars = 1 mm in A and E to H and 0.1 mm in B to D.