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. 2018 Mar 21;2018:1615968. doi: 10.1155/2018/1615968

Figure 3.

Figure 3

Electron micrographs of leaf mesophyll of 6-day-old seedlings of two cultivars of Brassica napus (ZS 758, black seeded; Zheda 622, yellow seeded) grown under control and 400 μM Be. (a-b) leaf mesophyll cells of ZS 758 and Zheda 622 at control level, respectively, show well-developed cell wall (CW), chloroplasts (Chl), plastoglobuli (P), starch grain (SG), and mitochondria (M). (c) leaf mesophyll cell of ZS 758 at 400 μM Be shows an unmatured nucleus (N) with nucleolus (Nue), disturbed nuclear membrane (NM), deshaped thylakoids (Thy), and small-sized plastoglobuli (P). (d) leaf mesophyll cell of Zheda 622 at 400 μM Be shows damaged thylakoid membranes (Thy), disturbed nuclear membrane (NM), very small plastoglobuli (P), ruptured mitochondria (M), and chloroplast structures.