The full-length coding sequence of TCP24 was polymerase chain reaction (PCR) amplified and cloned into pBluescript SK. Digoxigenin-labeled sense and antisense probes were synthesized with T7 or T3 RNA polymerase (Roche). Inflorescences from wild type and transgenic plants were pretreated and hybridized as described previously (Liu et al., 2011 (link)). Locked nucleic acid (LNA)-modified probe of miR319a was synthesized and labeled with DIG at the 3′ end and used for in situ hybridization.
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