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Article

Primary Metabolite Profile Changes in Coffea spp. Promoted by Single and Combined Exposure to Drought and Elevated CO2 Concentration

1
Plant Metabolomics Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), 2780-157 Oeiras, Portugal
2
Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Departamento de Biología Molecular y Bioquímica, Universidad de Málaga—Consejo Superior de Investigaciones Científicas (IHSM-UMA-CSIC), 29071 Málaga, Spain
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GeoBioSciences, GeoTechnologies and GeoEngineering (GeoBioTec), Faculdade de Ciências e Tecnologia (FCT), Universidade NOVA de Lisboa (UNL), 2829-516 Monte de Caparica, Portugal
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Departamento de Biologia Vegetal, Universidade Federal Viçosa (UFV), Viçosa 36570-090, Brazil
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Plant Stress & Biodiversity Lab, Centro de Estudos Florestais (CEF), Instituto Superior Agronomia (ISA), Universidade de Lisboa (ULisboa), Tapada da Ajuda, 1349-017 Lisboa, Portugal
*
Authors to whom correspondence should be addressed.
Current address: Plant Metabolomics Lab Portugal, Centro de Estudos Florestais (CEF), Instituto Superior Agronomia (ISA), Universidade de Lisboa (ULisboa), Tapada da Ajuda, 1349-017 Lisboa, Portugal.
Academic Editor: Hirokazu Kawagishi
Metabolites 2021, 11(7), 427; https://doi.org/10.3390/metabo11070427
Received: 17 June 2021 / Revised: 24 June 2021 / Accepted: 25 June 2021 / Published: 29 June 2021
Climate change scenarios pose major threats to many crops worldwide, including coffee. We explored the primary metabolite responses in two Coffea genotypes, C. canephora cv. Conilon Clone 153 and C. arabica cv. Icatu, grown at normal (aCO2) or elevated (eCO2) CO2 concentrations of 380 or 700 ppm, respectively, under well-watered (WW), moderate (MWD), or severe (SWD) water deficit conditions, in order to assess coffee responses to drought and how eCO2 can influence such responses. Primary metabolites were analyzed with a gas chromatography time-of-flight mass spectrometry metabolomics platform (GC-TOF-MS). A total of 48 primary metabolites were identified in both genotypes (23 amino acids and derivatives, 10 organic acids, 11 sugars, and 4 other metabolites), with differences recorded in both genotypes. Increased metabolite levels were observed in CL153 plants under single and combined conditions of aCO2 and drought (MWD and SWD), as opposed to the observed decreased levels under eCO2 in both drought conditions. In contrast, Icatu showed minor differences under MWD, and increased levels (especially amino acids) only under SWD at both CO2 concentration conditions, although with a tendency towards greater increases under eCO2. Altogether, CL153 demonstrated large impact under MWD, and seemed not to benefit from eCO2 in either MWD and SWD, in contrast with Icatu. View Full-Text
Keywords: climate change; Coffea arabica; Coffea canephora; coffee tree; elevated CO2; GC-TOF-MS; mass spectrometry; plant metabolomics; water deficit climate change; Coffea arabica; Coffea canephora; coffee tree; elevated CO2; GC-TOF-MS; mass spectrometry; plant metabolomics; water deficit
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MDPI and ACS Style

Rodrigues, A.M.; Jorge, T.; Osorio, S.; Pott, D.M.; Lidon, F.C.; DaMatta, F.M.; Marques, I.; Ribeiro-Barros, A.I.; Ramalho, J.C.; António, C. Primary Metabolite Profile Changes in Coffea spp. Promoted by Single and Combined Exposure to Drought and Elevated CO2 Concentration. Metabolites 2021, 11, 427. https://doi.org/10.3390/metabo11070427

AMA Style

Rodrigues AM, Jorge T, Osorio S, Pott DM, Lidon FC, DaMatta FM, Marques I, Ribeiro-Barros AI, Ramalho JC, António C. Primary Metabolite Profile Changes in Coffea spp. Promoted by Single and Combined Exposure to Drought and Elevated CO2 Concentration. Metabolites. 2021; 11(7):427. https://doi.org/10.3390/metabo11070427

Chicago/Turabian Style

Rodrigues, Ana M., Tiago Jorge, Sonia Osorio, Delphine M. Pott, Fernando C. Lidon, Fábio M. DaMatta, Isabel Marques, Ana I. Ribeiro-Barros, José C. Ramalho, and Carla António. 2021. "Primary Metabolite Profile Changes in Coffea spp. Promoted by Single and Combined Exposure to Drought and Elevated CO2 Concentration" Metabolites 11, no. 7: 427. https://doi.org/10.3390/metabo11070427

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