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This research aims to identify candidate genes and anatomical traits that enhance abiotic stress tolerance in tomatoes.

May 9, 2026Plant Science TodayOpen Access

Anatomic study, comprehensive meta-analysis and co-expression network analysis utilised in identifying candidate genes that play a role in abiotic stress response in tomatoes (Solanum lycopersicum L.)

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This research aims to identify candidate genes and anatomical traits that enhance abiotic stress tolerance in tomatoes.
Utilized physiological, anatomical, and transcriptomic approaches on two tomato varieties under varying NaCl concentrations.
Conducted meta-analysis of microarray data to pinpoint genes related to salinity, heat, and drought responses.
Performed gene co-expression network analysis to identify hub genes associated with stress tolerance.
Germination rates decreased under salinity stress, along with structural changes in the plant anatomy.
Identified 2092 differentially expressed genes, with key hub genes involved in calcium signalling and the SOS pathway.
Universal Stress Protein gene family showed significant tissue-specific differential expression linked to abiotic stress responses.

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Anatomic study and gene analysis reveal key traits for tomato stress tolerance, suggesting new breeding targets.

Maryam et al. (2026) studied this question.

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