Localization of γ-TIP in root tips of 3-d-old barley seedlings with γ-TIP peptide antiserum (Suga and Maeshima, 2004). The distribution of γ-TIP is similar to that of barley lectin and is restricted to the calyptra, rhizodermis, and outermost cortical cells. A, Longitudinal section; B, transverse section above the meristem; C, transverse section through the calyptra. Bars = 50 μm.