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Fig. 4 | BMC Plant Biology

Fig. 4

From: Ostkpr1 functions in anther cuticle development and pollen wall formation in rice

Fig. 4

Transmission electron microscopy (TEM) analysis of anthers, microspores and pollen exine in WT and ostkpr1–2. a and e Anther at stage 9 of WT and ostkpr1–2. Bars: 5 μm. b and f Tapetal cells at stage 9 of WT and ostkpr1–2. Bars: 1 μm. c and g Microspores at stage 9 of WT and ostkpr1–2. Bars: 2 μm. d and h, Pollen exine at stage 9 of WT and ostkpr1–2. Bars: 0.5 μm. i and m Anther at stage 10 of WT and ostkpr1–2. Bars: 5 μm. j and n Tapetal cells at stage 10 of WT and ostkpr1–2. Bars: 0.5 μm. k and o Microspores at stage 10 of WT and ostkpr1–2. Bars: 2 μm. l and p Pollen exine at stage 9 of WT and ostkpr1–2. Bars: 0.5 μm. Ba, Bacula; C, cuticle; E, epidermis; En, endothecium; Ex, exine; Ml, middle layer; Msp, microspores; Ne, Nexine; T, tapetal layer; Te, Tectum; Ub, Ubisch body

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