PGPR-based biofertilizer modulates strawberry photosynthetic apparatus tolerance responses by severe drought, soil salinization and short extreme heat event

García-López, Jesús V.; Redondo-Gómez, Susana; Flores-Duarte, Noris J.; Rodríguez-Llorente, Ignacio D.; Pajuelo, Eloísa; Mateos-Naranjo, Enrique

doi:10.1016/j.stress.2024.100448

Plant Stress

2024

DOI: 10.1016/j.stress.2024.100448

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PGPR-based biofertilizer modulates strawberry photosynthetic apparatus tolerance responses by severe drought, soil salinization and short extreme heat event

Jesús V. García-López,

Susana Redondo-Gómez,

Noris J. Flores-Duarte

et al.

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Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress

Jiang,

Song,

Wang

et al. 2024

Horticulturae

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Strawberry plants have shallow roots and large leaves, which are highly sensitive to variations in water levels. To explore the physicochemical and molecular mechanisms of strawberry response to water stress, and provide new ideas for strawberry scientific irrigation, we measured the transpiration rate, fresh weight, biomass gain, and other indicators of potted “Zhangji” strawberry plants under drought and waterlogging treatments using a Plantarray system. Transcriptomic and metabolomic analyses of strawberry leaves following mild drought, moderate drought, severe drought, and rehydration treatments were performed to identify key genes and metabolites involved in the response to drought stress. Below a certain threshold, the transpiration rate of strawberry plants was significantly lower after the deficit irrigation treatment than the conventional water treatment. Transcriptome analysis revealed that genes involved in oxidoreductase activity and in sulfur and nitrogen metabolism were up-regulated, as well as starch and sucrose. Strawberry plants secrete various endogenous growth hormones to maintain their normal growth under drought stress. The syntheses of salicylic acid (SA) and abscisic acid (ABA) were up-regulated in the mild and moderate drought treatments. However, the syntheses of 1-aminocyclopropanecarboxylic acid (ACC) and indole-3-acetic acid (IAA) were down-regulated in severe drought treatment and up-regulated in rehydration after severe drought treatment.

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Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress

Jiang,

Song,

Wang

et al. 2024

Horticulturae

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PGPR-based biofertilizer modulates strawberry photosynthetic apparatus tolerance responses by severe drought, soil salinization and short extreme heat event

Cited by 1 publication

References 62 publications

Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress

Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress

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