Fig. 5From: Control of leaf development in the water fern Ceratopteris richardii by the auxin efflux transporter CrPINMa in the CRISPR/Cas9 analysisIn situ hybridization of CrPINMa. (a) Expression in the SAM and leaf primordia. (b) Expression in the third leaf primordium. (c) Expression in fronds. (d) Sense probe hybridization. l1–l3, the first, second, and third leaf primordium. pu, pinnule. co, costa. Arrowheads indicated sporangia. Bar = 100 μmBack to article page