Proteomics

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Proteomic analysis of two citrus rootstocks subjected to multiple abiotic stress conditions


ABSTRACT: Drought, heat and high light irradiation are abiotic stresses that negatively affect plant development and reduce crop productivity. The confluence of these three factors is common in nature, causing extreme situations for plants that compromise their viability. Drought and heat stress increase the saturation of the photosystem’s reaction centers, increasing sensitivity to high light irradiation. In addition, these stress conditions affect PSII integrity, alter redox balance of the electron transport chain and decrease photosynthetic rate. Here, we studied the effect of drought, high light and heat stress factorial stress combination on the photosynthetic apparatus of two citrus rootstocks, Carrizo citrange (Citrus sinensis × Poncirus trifoliata) and Cleopatra mandarin (Citrus reshni). Proteomic data, together with transcriptomic, showed the main responses of citrus plant to multiple abitoic stress conditions. The enhancement of KEGG pathways such as RNA metabolic processes and the accumulation of family proteins like HSPs were key responses to face the combination of these abiotic stress factors.

INSTRUMENT(S): SYNAPT G2-Si

ORGANISM(S): Citrus Reshni Citrus Sinensis X Citrus Trifoliata

TISSUE(S): Plant Cell, Leaf

SUBMITTER: Aurelio Gómez-Cadenas  

LAB HEAD: Aurelio Gómez Cadenas

PROVIDER: PXD034419 | Pride | 2023-03-11

REPOSITORIES: Pride

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Publications

Reduction of heat stress pressure and activation of photosystem II repairing system are crucial for citrus tolerance to multiple abiotic stress combination.

Balfagón Damián D   Zandalinas Sara I SI   Dos Reis de Oliveira Tadeu T   Santa-Catarina Claudete C   Gómez-Cadenas Aurelio A  

Physiologia plantarum 20221101 6


Drought, heat and high irradiance are abiotic stresses that negatively affect plant development and reduce crop productivity. The confluence of these three factors is common in nature, causing extreme situations for plants that compromise their viability. Drought and heat stresses increase the saturation of the photosystem reaction centers, increasing sensitivity to high irradiance. In addition, these stress conditions affect photosystem II (PSII) integrity, alter redox balance of the electron t  ...[more]

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