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. 2020 Jan 14;8(1):115. doi: 10.3390/microorganisms8010115

Figure 5.

Figure 5

Visualization of heavy metal accumulation in E. gracilis strains using transmission electron microscope (TEM). (a) Z-strain control- untreated cell; (b) Zm-strain control- untreated cell; (c): Z-strain exposed to Hg; (d): Zm-strain exposed to Hg; (e): Z-strain exposed to Cd; (f): Zm-strain exposed to Cd; (g): Z-strain exposed to Pb; (h): Zm-strain exposed to Pb. P: Paramylon; N; nucleus, M; mitochondria, Ch; chloroplast. Black dots represent heavy metal inclusion and are marked by a red arrow. The 4 µm bar corresponds to all images.