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. 2022 Mar 15;13:826954. doi: 10.3389/fpls.2022.826954

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Copyright © 2022 Jin, Zhu, He, Li, Fan, Xu, Yang and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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RNA-seq analysis of tomato root tip in response to Al treatment for 7 days. (A) Volcano plot of differentially expressed genes (DEGs) in transcriptome (+Al 7 days vs. –Al 7 days). Volcano plot of log2 (fold change) (x-axis) vs. –log10 (padj-corrected P-value (y-axis, representing the probability that the gene is differentially expressed). Red dots denote upregulated DEGs, and green dots denote downregulated DEGs, respectively. Gray dots represent genes with no significant difference. (B) The Gene Ontology (GO) biological process classification of DEGs. (C) The KEGG pathway classification of DEGs. X-axis indicates the number of genes. Y-axis indicates the KEGG pathway. (D) Heatmaps of the expression profile of Al-tolerance homologous genes in tomato under Al treatment for 6 h and 7 days. The color scale represents fold change (Al vs. CK) of different treatment times.