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. 2020 Mar 1;7:21. doi: 10.1038/s41438-020-0243-2

Fig. 7. The upregulated expression of several MdATGs and accumulation of autophagosomes in apple leaves under heat stress.

Fig. 7

ag Changes in the expression of several MdATGs in WT and MdATG18a-OE plants after 4 h of heat stress. h Representative TEM images of autophagic structures in mesophyll cells from WT and MdATG18a OE plants. Autophagosomes are indicated by arrows. Bars: 1 μm. i Relative autophagic activity of WT or MdATG18a-OE plants shown in h. More than 10 cells were used to quantify structures. Data are shown as the means of six replicates with SEs. Different letters indicate significant differences between treatments, according to one-way ANOVA and Tukey’s multiple range test (P < 0.05).