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Article

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

1
Shandong Institute of Pomology, Tai’an 271000, China
2
Shandong Technology Innovation Center of Modern Protected Fruit, Tai’an 271000, China
3
Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
*
Authors to whom correspondence should be addressed.
Horticulturae 2024, 10(7), 734; https://doi.org/10.3390/horticulturae10070734
Submission received: 31 May 2024 / Revised: 6 July 2024 / Accepted: 8 July 2024 / Published: 12 July 2024
(This article belongs to the Special Issue Advances in Developmental Biology in Tree Fruit and Nut Crops)

Abstract

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.
Keywords: strawberry; drought stress; transcriptomics; metabolomics strawberry; drought stress; transcriptomics; metabolomics

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MDPI and ACS Style

Jiang, L.; Song, R.; Wang, X.; Wang, J.; Wu, C. Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress. Horticulturae 2024, 10, 734. https://doi.org/10.3390/horticulturae10070734

AMA Style

Jiang L, Song R, Wang X, Wang J, Wu C. Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress. Horticulturae. 2024; 10(7):734. https://doi.org/10.3390/horticulturae10070734

Chicago/Turabian Style

Jiang, Lili, Ruimin Song, Xiaofang Wang, Jie Wang, and Chong Wu. 2024. "Transcriptomic and Metabolomic Analyses Provide New Insights into the Response of Strawberry (Fragaria × ananassa Duch.) to Drought Stress" Horticulturae 10, no. 7: 734. https://doi.org/10.3390/horticulturae10070734

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