54 documents found, page 1 of 6
Biochemical characterization of Euphorbia resinifera floral cyathia
Boutoub, Oumaima; Jadhav, Sagar; Zheng, Xiongjie; El Ghadraoui, Lahsen; Al Babili, Salim; Fernie, Alisdair R.; Figueiredo, Ana Cristina; Miguel, MariaEuphorbia resinifera O. Berg is a plant endemic to the Northern and Central regions of Morocco known since the ancient Roman and Greek times for secreting a poisonous latex containing resiniferatoxin. However, E. resinifera pseudo -inflorescences called cyathia are devoid of laticifers and, therefore, do not secrete latex. Instead, they exudate nectar that local honey bees collect and craft into honey. Honey an...
Will Casuarina glauca Stress Resilience Be Maintained in the Face of Climate Ch...
Jorge, Tiago F.; Ramalho, José C.; Alseekh, Saleh; Pais, Isabel P.; Leitão, António E.; Rodrigues, Ana P.; Scotti-Campos, Paula; Ribeiro-Barros, Ana I.Actinorhizal plants have been regarded as promising species in the current climate change context due to their high tolerance to a multitude of abiotic stresses. While combined salt-heat stress effects have been studied in crop species, their impact on the model actinorhizal plant, Casuarina glauca, has not yet been fully addressed. The effect of single salt (400 mM NaCl) and heat (control at 26/22 C, supra opt...
The INCREASE project: intelligent collections of food-legume genetic resources ...
Bellucci, Elisa; Aguilar, Orlando Mario; Alseekh, Saleh; Bett, Kirstin; Brezeanu, Creola; Cook, Douglas; Rosa, Lucía de la; Delledonne, MassimoFood legumes are crucial for all agriculture-related societal challenges, including climate change mitigation, agrobiodiversity conservation, sustainable agriculture, food security and human health. The transition to plant-based diets, largely based on food legumes, could present major opportunities for adaptation and mitigation, generating significant co-benefits for human health. The characterization, mainten...
An L,L- diaminopimelate aminotransferase mutation leads to metabolic shifts and...
Cavalcanti, João Henrique F.; Kirma, Menny; Barros, Jessica A. S.; Quinhones, Carla G.S.; Pereira- Lima, Ítalo A.; Obata, ToshihiroLysine (Lys) connects the mitochondrial electron transport chain to amino acid catabolism and the tricarboxylic acid cycle. However, our understanding of how a deficiency in Lys biosynthesis impacts plant metabolism and growth remains limited. Here, we used a previously characterized Arabidopsis mutant (dapat) with reduced activity of the Lys biosynthesis enzyme L,L-diaminopimelate aminotransferase to investiga...
Metabolic diversity in tuber tissues of native Chiloé potatoes and commercial c...
Silva, Franklin Magnum de Oliveira; Machado, Mariana; Nunes-Nesi, Adriano; Inostroza-Blancheteau, Claudio; Durán, Fabiola; Solano, JaimeThe native potatoes (Solanum tuberosum ssp. tuberosum L.) cultivated on Chiloé Island in southern Chile have great variability in terms of tuber shape, size, color and flavor. These traits have been preserved throughout generations due to the geographical position of Chiloé, as well as the different uses given by local farmers. The present study aimed to investigate the diversity of metabolites in skin and pulp...
Differential root and shoot responses in the metabolism of tomato plants exhibi...
Martins, Auxiliadora O.; Omena-Garcia, Rebeca P.; Oliveira, Franciele S.; Silva, Welder A.; Hajirezaei, Mohammad-Reza; Vallarino, José G.The ability to adapt to the environment is crucial for plant survival and thus a refined communication system capable of integrating endogenous and exogenous signals and further relaying this information to different parts of the plant is a key component of such adaptability. Given that they grow in highly distinct environments it is arguably unsurprising that roots and shoots display different responses to a g...
Identification and characterization of metabolite quantitative trait loci in to...
Nunes‐Nesi, Adriano; Alseekh, Saleh; Silva, Franklin Magnum de Oliveira; Omranian, Nooshin; Lichtenstein, Gabriel; Mirnezhad, MohammadTo date, most studies of natural variation and metabolite quantitative trait loci (mQTL) in tomato have focused on fruit metabolism, leaving aside the identification of genomic regions involved in the regulation of leaf metabolism.This study was conducted to identify leaf mQTL in tomato and to assess the association of leaf metabolites and physiological traits with the metabolite levels from other tissues.The a...
Metabolic alterations triggered by silicon nutrition is there a signaling role ...
Detmann, Kelly C.; Araújo, Wagner L.; Martins, Samuel C. V.; Fernie, Alisdair R.; DaMatta, Fábio M.Although the beneficial role of silicon (Si) in stimulating the growth and development of many plants is generally accepted, our knowledge concerning the physiological and molecular mechanisms underlying this response remains far from comprehensive. Considerable effort has been invested in understanding the role of Si on plant disease, which has led to several new and compelling hypotheses; in unstressed plants...
Insights into ABA-mediated regulation of guard cell primary metabolism revealed...
Medeiros, David B.; Araújo, Wagner L.; Yoshida, Takuya; Anjos, Letícia dos; Fernie, Alisdair R.; Daloso, Danilo M.Despite the fact that guard cell abscisic acid (ABA) signalling pathway is well documented, our understanding concerning how and to which extent ABA regulates guard cell metabolism remains fragmentary. Here we have adopted different systems approaches to investigate how ABA modulates guard cell central metabolism by providing genes that are possibly ABA-regulated. By using previous published Arabidopsis guard c...
Sucrose breakdown within guard cells provides substrates for glycolysis and glu...
Medeiros, David B.; Souza, Leonardo Perez; Antunes, Werner C.; Araújo, Wagner L.; Daloso, Danilo M.; Fernie, Alisdair R.Sucrose has long been thought to play an osmolytic role in stomatal opening. However, recent evidence supports the idea that the role of sucrose in this process is primarily energetic. Here we used a combination of stomatal aperture assays and kinetic [U- 13 C]-sucrose isotope labelling experiments to confirm that sucrose is degraded during light-induced stomatal opening and to define the fate of the C released...