Elevated [CO2] Mitigates Drought Effects and Increases Leaf 5-O-Caffeoylquinic Acid and Caffeine Concentrations During the Early Growth of Coffea Arabica Plants

Catarino, Ingrid Cristina Araujo; Monteiro, Gustavo Bellini; Ferreira, Marcelo J. P.; Torres, Luce Maria Brandão; Domingues, Douglas Silva; Centeno, Danilo da Cruz; Lobo, Ana Karla Moreira; Silva, Emerson Alves da

doi:10.3389/fsufs.2021.676207

Cited by 5 publications

(5 citation statements)

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“…Another recent research work verified that drought-stressed Pinus halepensis (Aleppo pine) fertilized with e[CO 2 ] had higher total biomass, net photosynthesis, water use efficiency and water potential, without changes in respiration rate, compared to ambient CO 2 -acclimated plants [ 110 ]. These results also concur with what has been reported on Coffea arabica plants under controlled or natural conditions [ 49 , 68 , 111 , 112 , 113 , 114 ]. In these studies, e[CO 2 ] mitigated the negative effects of water deficit by increasing CO 2 assimilation, photochemical efficiency, water use efficiency and soluble solutes content, decreasing photorespiration rate and oxidative pressure and keeping hydraulic conductance.…”

Section: Integrative Responses Of Woody Plants Under Elevated Co ...supporting

confidence: 93%

“…The increase of water use efficiency is a common response triggered by e[CO 2 ], as plants can keep lower stomatal conductance to uptake atmospheric CO 2 without increasing leaf transpiration. Therefore, woody plant growth under drought is benefited by e[CO 2 ], as already reported [ 68 , 110 , 111 , 113 , 114 ]. Moreover, the buffer effect of e[CO 2 ] under drought conditions could be related to changes in specialized metabolites such as 5-O-caffeoylquinic acid (5-CQA) and caffeine [ 113 ].…”

Section: Integrative Responses Of Woody Plants Under Elevated Co ...mentioning

confidence: 65%

“…Therefore, woody plant growth under drought is benefited by e[CO 2 ], as already reported [ 68 , 110 , 111 , 113 , 114 ]. Moreover, the buffer effect of e[CO 2 ] under drought conditions could be related to changes in specialized metabolites such as 5-O-caffeoylquinic acid (5-CQA) and caffeine [ 113 ].…”

Section: Integrative Responses Of Woody Plants Under Elevated Co ...mentioning

confidence: 65%

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Physiological and Molecular Responses of Woody Plants Exposed to Future Atmospheric CO2 Levels under Abiotic Stresses

Lobo

Catarino

Silva³

et al. 2022

Plants

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Climate change is mainly driven by the accumulation of carbon dioxide (CO2) in the atmosphere in the last century. Plant growth is constantly challenged by environmental fluctuations including heat waves, severe drought and salinity, along with ozone accumulation in the atmosphere. Food security is at risk in an increasing world population, and it is necessary to face the current and the expected effects of global warming. The effects of the predicted environment scenario of elevated CO2 concentration (e[CO2]) and more severe abiotic stresses have been scarcely investigated in woody plants, and an integrated view involving physiological, biochemical and molecular data is missing. This review highlights the effects of elevated CO2 in the metabolism of woody plants and the main findings of its interaction with abiotic stresses, including a molecular point of view, aiming to improve the understanding of how woody plants will face the predicted environmental conditions. Overall, e[CO2] stimulates photosynthesis and growth and attenuates mild to moderate abiotic stress in woody plants if root growth and nutrients are not limited. Moreover, e[CO2] does not induce acclimation in most tree species. Some high-throughput analyses involving omics techniques were conducted to better understand how these processes are regulated. Finally, knowledge gaps in the understanding of how the predicted climate condition will affect woody plant metabolism were identified, with the aim of improving the growth and production of this plant species.

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Section: Integrative Responses Of Woody Plants Under Elevated Co ...supporting

confidence: 93%

Section: Integrative Responses Of Woody Plants Under Elevated Co ...mentioning

confidence: 65%

Section: Integrative Responses Of Woody Plants Under Elevated Co ...mentioning

confidence: 65%

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Physiological and Molecular Responses of Woody Plants Exposed to Future Atmospheric CO2 Levels under Abiotic Stresses

Lobo

Catarino

Silva³

et al. 2022

Plants

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“…Coffea canephora can grow under higher temperatures with optimum annual mean temperatures ranging from 22 to 30 °C, depending on authors [ 18 ]. Despite drought is a concern for the crop, some genotypes can maintain high photosynthetic rates, especially under eCO 2 conditions [ 12 , 21 ], reducing physiological constraints imposed by drought (e.g., overcoming diffusional CO 2 limitations due to stomatal closure), and reinforcing some defense mechanisms, contributing to maintaining photosynthetic performance and, likely, crop yield, at least under moderate levels of drought [ 12 , 17 , 22 , 23 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

Overexpression of Water-Responsive Genes Promoted by Elevated CO2 Reduces ROS and Enhances Drought Tolerance in Coffea Species

Marques

Fernandes

Paulo

et al. 2023

IJMS

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Drought is a major constraint to plant growth and productivity worldwide and will aggravate as water availability becomes scarcer. Although elevated air [CO2] might mitigate some of these effects in plants, the mechanisms underlying the involved responses are poorly understood in woody economically important crops such as Coffea. This study analyzed transcriptome changes in Coffea canephora cv. CL153 and C. arabica cv. Icatu exposed to moderate (MWD) or severe water deficits (SWD) and grown under ambient (aCO2) or elevated (eCO2) air [CO2]. We found that changes in expression levels and regulatory pathways were barely affected by MWD, while the SWD condition led to a down-regulation of most differentially expressed genes (DEGs). eCO2 attenuated the impacts of drought in the transcripts of both genotypes but mostly in Icatu, in agreement with physiological and metabolic studies. A predominance of protective and reactive oxygen species (ROS)-scavenging-related genes, directly or indirectly associated with ABA signaling pathways, was found in Coffea responses, including genes involved in water deprivation and desiccation, such as protein phosphatases in Icatu, and aspartic proteases and dehydrins in CL153, whose expression was validated by qRT-PCR. The existence of a complex post-transcriptional regulatory mechanism appears to occur in Coffea explaining some apparent discrepancies between transcriptomic, proteomic, and physiological data in these genotypes.

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“…Irrespective of the light levels, coffee plants have been assorted as highly susceptible to several stresses at current ambient C a (a C a ) [ 16 , 17 , 18 ]. Nevertheless, a greater intrinsic resilience of some coffee genotypes than anticipated, as well as the positive impact of e C a , can significantly attenuate stress impairments, namely of supraoptimal temperatures [ 19 , 20 , 21 ], and drought [ 22 , 23 , 24 , 25 , 26 , 27 ] in coffee. This mitigation by e C a has been linked to an amplified acclimation response associated with improved antioxidant system and other protective molecules, together with greater lipid dynamics, and enhanced photosynthetic performance with no apparent photosynthetic down-regulation [ 20 , 21 , 22 , 28 , 29 , 30 , 31 ].…”

Section: Introductionmentioning

confidence: 99%

Growth and Leaf Gas Exchange Upregulation by Elevated [CO2] Is Light Dependent in Coffee Plants

Souza

Oliveira

et al. 2023

Plants

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Coffee (Coffea arabica L.) plants have been assorted as highly suitable to growth at elevated [CO2] (eCa), although such suitability is hypothesized to decrease under severe shade. We herein examined how the combination of eCa and contrasting irradiance affects growth and photosynthetic performance. Coffee plants were grown in open-top chambers under relatively high light (HL) or low light (LL) (9 or 1 mol photons m−2 day−1, respectively), and aCa or eCa (437 or 705 μmol mol–1, respectively). Most traits were affected by light and CO2, and by their interaction. Relative to aCa, our main findings were (i) a greater stomatal conductance (gs) (only at HL) with decreased diffusive limitations to photosynthesis, (ii) greater gs during HL-to-LL transitions, whereas gs was unresponsive to the LL-to-HL transitions irrespective of [CO2], (iii) greater leaf nitrogen pools (only at HL) and higher photosynthetic nitrogen-use efficiency irrespective of light, (iv) lack of photosynthetic acclimation, and (v) greater biomass partitioning to roots and earlier branching. In summary, eCa improved plant growth and photosynthetic performance. Our novel and timely findings suggest that coffee plants are highly suited for a changing climate characterized by a progressive elevation of [CO2], especially if the light is nonlimiting.

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Elevated [CO2] Mitigates Drought Effects and Increases Leaf 5-O-Caffeoylquinic Acid and Caffeine Concentrations During the Early Growth of Coffea Arabica Plants

Cited by 5 publications

References 47 publications

Physiological and Molecular Responses of Woody Plants Exposed to Future Atmospheric CO2 Levels under Abiotic Stresses

Physiological and Molecular Responses of Woody Plants Exposed to Future Atmospheric CO2 Levels under Abiotic Stresses

Overexpression of Water-Responsive Genes Promoted by Elevated CO2 Reduces ROS and Enhances Drought Tolerance in Coffea Species

Growth and Leaf Gas Exchange Upregulation by Elevated [CO2] Is Light Dependent in Coffee Plants

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