SupplementaryFigures_S1-S7.pdf

Figure S1. Controlled drought treatment and sampling of young cork oak plants.
Figure S2. Isolation and measurement of the phellem layer in young cork oak plants.
Figure S3. Clustering of DEGs found between tissues, independently of the treatment (Likelihood Ratio Test, adjusted p-value < 0.001).
Figure S4. Validation of DEGs by qPCR and functional annotation.
Figure S5. Heatmaps representing the expression profile of selected DEGs determined for phellem under WD vs. WW.
Figure S6. Electron transport rate rapid light curve response performed in leaves and stems of 1.5-year-old plants exposed to contrasting watering regimes.
Figure S7. Analysis of chlorophyl fluorescence in cork oak phellem.

图S1 栓皮栎幼苗的受控干旱处理与取样。
图S2 栓皮栎幼苗木栓层的分离与检测。
图S3 不受处理因素影响的组织间差异表达基因（Differentially Expressed Genes, DEGs）的聚类分析（似然比检验，校正后p值<0.001）。
图S4 利用实时定量PCR（quantitative real-time polymerase chain reaction, qPCR）验证差异表达基因及开展功能注释分析。
图S5 热图展示木栓层在水分亏缺（Water Deficit, WD）与正常供水（Well-watered, WW）条件下筛选得到的差异表达基因的表达谱。
图S6 对经不同水分供应处理的1.5年生植株的叶片与茎秆开展电子传递速率快速光曲线响应测定。
图S7 栓皮栎木栓层的叶绿素荧光分析。