Current advances in Coffea transcriptomic responses to abiotic stresses

Marques, Isabel; de Oliveira, Raphael Ricon; Chalfun-Junior, Antonio; Ramalho, José C.; Ribeiro-Barros, Ana I.

doi:10.1016/bs.abr.2024.04.004

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2024

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Cited by 2 publications

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Ecophysiology of coffee growth and production in a context of climate changes

DaMatta,

Martins,

Ramalho

2024

Advances in Botanical Research

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Ecophysiology of coffee growth and production in a context of climate changes

DaMatta,

Martins,

Ramalho

2024

Advances in Botanical Research

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Transcriptomic Analyses Reveal That Coffea arabica and Coffea canephora Have More Complex Responses under Combined Heat and Drought than under Individual Stressors

Marques,

Fernandes,

Paulo

et al. 2024

IJMS

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Increasing exposure to unfavorable temperatures and water deficit imposes major constraints on most crops worldwide. Despite several studies regarding coffee responses to abiotic stresses, transcriptome modulation due to simultaneous stresses remains poorly understood. This study unravels transcriptomic responses under the combined action of drought and temperature in leaves from the two most traded species: Coffea canephora cv. Conilon Clone 153 (CL153) and C. arabica cv. Icatu. Substantial transcriptomic changes were found, especially in response to the combination of stresses that cannot be explained by an additive effect. A large number of genes were involved in stress responses, with photosynthesis and other physiologically related genes usually being negatively affected. In both genotypes, genes encoding for protective proteins, such as dehydrins and heat shock proteins, were positively regulated. Transcription factors (TFs), including MADS-box genes, were down-regulated, although responses were genotype-dependent. In contrast to Icatu, only a few drought- and heat-responsive DEGs were recorded in CL153, which also reacted more significantly in terms of the number of DEGs and enriched GO terms, suggesting a high ability to cope with stresses. This research provides novel insights into the molecular mechanisms underlying leaf Coffea responses to drought and heat, revealing their influence on gene expression.

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Current advances in Coffea transcriptomic responses to abiotic stresses

Cited by 2 publications

References 93 publications

Ecophysiology of coffee growth and production in a context of climate changes

Ecophysiology of coffee growth and production in a context of climate changes

Transcriptomic Analyses Reveal That Coffea arabica and Coffea canephora Have More Complex Responses under Combined Heat and Drought than under Individual Stressors

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