Multi-Omics Analysis Reveals Molecular and Biochemical Mechanisms Underlying Alkaline Stress Adaptation in Solanum lycopersicum L.

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Integrative analysis reveals distinct biochemical pathways in two tomato genotypes under alkaline stress, suggesting potential breeding targets.

A10 showed a significant transcriptional response, with over 500 differentially expressed genes, while M56 had less than 50.
Biochemical analysis indicated that A10 accumulated substantial osmoprotectants like proline and polyphenols, unlike M56.
Ionomic profiling demonstrated that A10 effectively restricted Na+ accumulation while maintaining K+, enhancing its alkali tolerance.
The study highlights robust pathways and genes that could improve alkaline stress tolerance in tomato breeding programs.

Ganasula et al. (2025) studied this question.

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Integrative analysis reveals distinct biochemical pathways in two tomato genotypes under alkaline stress, suggesting potential breeding targets.