Fig. 5. Expression of DUET in male meiocytes: RNA in situ hybridization of DUET antisense RNA to sections of flower buds. (A) Expression is first seen in sporogenous cells at anther stage 4. (B,C) Maximal expression is seen in microsporocytes at anther stage 5. (D) Anther stage 6, meiotic cells. (E,F) No expression is seen in the female meiocyte at stage 2-3 corresponding to pre-meiosis. (E) Antisense; (F) sense control. Scale bars: 50 µm.