Browsing by Author "Sulpice, Ronan"
Now showing items 1-20 of 23
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a novel mechanism, linked to cell density, largely controls cell division in synechocystis
Esteves-Ferreira, Alberto A.; Inaba, Masami; Obata, Toshihiro; Fort, Antoine; Fleming, Gerard T.A.; Araújo, Wagner L.; Fernie, Alisdair R.; Sulpice, Ronan (American Society of Plant Biologists (ASPB), 2017-06-23)Many studies have investigated the various genetic and environmental factors regulating cyanobacterial growth. Here, we investigated the growth and metabolism of Synechocystis sp. PCC 6803 under different nitrogen sources, ... -
Adjustment of carbon fluxes to light conditions regulates the daily turnover of starch in plants: a computational model
Pokhilko, Alexandra; Flis, Anna; Sulpice, Ronan; Stitt, Mark; Ebenhöh, Oliver (Royal Society of Chemistry (RSC), 2014-01-01)In the light, photosynthesis provides carbon for metabolism and growth. In the dark, plant growth depends on carbon reserves that were accumulated during previous light periods. Many plants accumulate part of their newly-fixed ... -
Allelic differences in a vacuolar invertase affect arabidopsis growth at early plant development
Leskow, Carla Coluccio; Kamenetzky, Laura; Dominguez, Pia Guadalupe; Díaz Zirpolo, José Antonio; Obata, Toshihiro; Costa, Hernán; Martí, Marcelo; Taboga, Oscar; Keurentjes, Joost; Sulpice, Ronan; Ishihara, Hirofumi; Stitt, Mark; Fernie, Alisdair Robert; Carrari, Fernando (Oxford University Press (OUP), 2016-05-18)Improving carbon fixation in order to enhance crop yield is a major goal in plant sciences. By quantitative trait locus (QTL) mapping, it has been demonstrated that a vacuolar invertase (vac-Inv) plays a key role in ... -
Analysis of short-term metabolic alterations in arabidopsis following changes in the prevailing environmental conditions
Florian, Alexandra; Nikoloski, Zoran; Sulpice, Ronan; Timm, Stefan; Araújo, Wagner L.; Tohge, Takayuki; Bauwe, Hermann; Fernie, Alisdair R. (Elsevier BV, 2014-05-01)Although a considerable increase in our knowledge concerning the importance of metabolic adjustments to unfavorable growth conditions has been recently provided, relatively little is known about the adjustments which occur ... -
Application of Ulva biomass for bioremediation of wastewater
Nelly, Alisha (NUI Galway, 2024-04-18)The remarkable growth rate and environmental adaptability of Ulva species have attracted considerable interest for their potential applications in aquaculture and bioremediation. Ulva's capacity to absorb nutrients ... -
Characterization of a recently evolved flavonol-phenylacyltransferase gene provides signatures of natural light selection in brassicaceae
Tohge, Takayuki; Wendenburg, Regina; Ishihara, Hirofumi; Nakabayashi, Ryo; Watanabe, Mutsumi; Sulpice, Ronan; Hoefgen, Rainer; Takayama, Hiromitsu; Saito, Kazuki; Stitt, Mark; Fernie, Alisdair R. (Springer Nature, 2016-08-22)Incidence of natural light stress renders it important to enhance our understanding of the mechanisms by which plants protect themselves from harmful effects of UV-B irradiation, as this is critical for fitness of land ... -
Disaggregating polyploidy, parental genome dosage and hybridity contributions to heterosis in arabidopsis thaliana
Fort, Antoine; Ryder, Peter; McKeown, Peter C.; Wijnen, Cris; Aarts, Mark G.; Sulpice, Ronan; Spillane, Charles (Wiley-Blackwell, 2015-09-23)Heterosis is the phenomenon whereby hybrid offspring of genetically divergent parents display superior characteristics compared with their parents. Although hybridity and polyploidy can influence heterosis in hybrid plants, ... -
Dissecting the subcellular compartmentation of proteins and metabolites in arabidopsis leaves using non-aqueous fractionation
Arrivault, Stéphanie; Guenther, Manuela; Florian, Alexandra; Encke, Beatrice; Feil, Regina; Vosloh, Daniel; Lunn, John E.; Sulpice, Ronan; Fernie, Alisdair R.; Stitt, Mark; Schulze, Waltraud X. (American Society for Biochemistry & Molecular Biology (ASBMB), 2014-05-27)Non-aqueous fractionation is a technique for the enrichment of different subcellular compartments derived from lyophilized material. It was developed to study the subcellular distribution of metabolites. Here we analyzed ... -
Genome-wide association mapping reveals that specific and pleiotropic regulatory mechanisms fine-tune central metabolism and growth in arabidopsis
Fusari, Corina M.; Kooke, Rik; Lauxmann, Martin A.; Annunziata, Maria Grazia; Encke, Beatrice; Hoehne, Melanie; Krohn, Nicole; Becker, Frank F.M.; Schlereth, Armin; Sulpice, Ronan; Stitt, Mark; Keurentjes, Joost J.B. (American Society of Plant Biologists (ASPB), 2017-09-27)Central metabolism is a coordinated network that is regulated at multiple levels by resource availability and by environmental and developmental cues. Its genetic architecture has been investigated by mapping metabolite ... -
Identification of growth limiting factors in Synechocystis sp. PCC 6803
Abrantes Esteves Ferreira, Alberto (2018-02-15)In this study we showed that Synechocystis sp. PCC 6803 can achieve fast division rates using urea, a low-cost nitrogen source that does not require energy for uptake and hydrolysis, and releases CO2 into to the cell during ... -
Impact of light intensities and low temperature on the composition and diurnal use of transient carbon stores in barley (Hordeum vulgare)
Ambrosio Barros, Kallyne (NUI Galway, 2019-10-18)The carbon partitioning and accumulation are critical for biomass formation in plants and can be affected by environmental changes and regulated by circadian clock. Thus, in this study, barley was grown under three light ... -
Magnetic beads, a particularly effective novel method for extraction of ngs-ready dna from macroalgae
Fort, Antoine; Guiry, Michael D.; Sulpice, Ronan (Elsevier BV, 2018-06-01)Next Generation Sequencing (NGS) technologies allow for the generation of robust information on the genetic diversity of organisms at the individual, species and higher taxon levels. Indeed, the number of single nucleotide ... -
Metabolic efficiency underpins performance trade-offs in growth of arabidopsis thaliana
Kleessen, Sabrina; Laitinen, Roosa; Fusari, Corina M.; Antonio, Carla; Sulpice, Ronan; Fernie, Alisdair R.; Stitt, Mark; Nikoloski, Zoran (Springer Nature, 2014-03-28)Growth often involves a trade-off between the performance of contending tasks; metabolic plasticity can play an important role. Here we grow 97 Arabidopsis thaliana accessions in three conditions with a differing supply ... -
Metabolism and growth inarabidopsisdepend on the daytime temperature but are temperature-compensated against cool nights
Pyl, Eva-Theresa; Piques, Maria; Ivakov, Alexander; Schulze, Waltraud; Ishihara, Hirofumi; Stitt, Mark; Sulpice, Ronan (American Society of Plant Biologists (ASPB), 2012-06-01)Diurnal cycles provide a tractable system to study the response of metabolism and growth to fluctuating temperatures. We reasoned that the response to daytime and night temperature may vary; while daytime temperature affects ... -
Natural genetic variation for morphological and molecular determinants of plant growth and yield
Nunes-Nesi, Adriano; Nascimento, Vitor de Laia; de Oliveira Silva, Franklin Magnum; Zsögön, Agustin; Araújo, Wagner L.; Sulpice, Ronan (Oxford University Press (OUP), 2016-03-24)Although a yield ceiling has been reached for several major crops, enhancements are required to keep up with the demands of the increasing population. Here, traits which could help tackle this issue are discussed.The rates ... -
Photoperiod-dependent changes in the phase of core clock transcripts and global transcriptional outputs at dawn and dusk inarabidopsis
Flis, Anna; Sulpice, Ronan; Seaton, Daniel D.; Ivakov, Alexander A.; Liput, Magda; Abel, Christin; Millar, Andrew J.; Stitt, Mark (Wiley-Blackwell, 2016-07-15)Plants use the circadian clock to sense photoperiod length. Seasonal responses like flowering are triggered at a critical photoperiod when a light-sensitive clock output coincides with light or darkness. However, many ... -
Phytochrome a and b regulate primary metabolism in arabidopsis leaves in response to light
Han, Xiaozhen; Tohge, Takayuki; Lalor, Pierce; Dockery, Peter; Devaney, Nicholas; Esteves-Ferreira, Alberto A.; Fernie, Alisdair R.; Sulpice, Ronan (Frontiers Media SA, 2017-08-09)Primary metabolism is closely linked to plant productivity and quality. Thus, a better understanding of the regulation of primary metabolism by photoreceptors has profound implications for agricultural practices and ... -
Reduced levels of nadh-dependent glutamate dehydrogenase decrease the glutamate content of ripe tomato fruit but have no effect on green fruit or leaves
Ferraro, Gisela; D’Angelo, Matilde; Sulpice, Ronan; Stitt, Mark; Valle, Estela M. (Oxford University Press (OUP), 2015-04-15)Glutamate (Glu) is a taste enhancer that contributes to the characteristic flavour of foods. In fruit of tomato (Solanum lycopersicum L.), the Glu content increases dramatically during the ripening process, becoming the ... -
The regulation of starch synthesis by phytochrome A&B, thioredoxins and plastidial kinases in Arabidopsis thaliana leaves
Han, Xiaozhen (2017-08-09)Starch is an important storage carbon in many plant leaves which is synthesized during the day and degraded at night to maintain cellular maintenance and eventually growth. The biosynthesis of starch is a highly regulated ... -
Spatially resolved metabolic analysis reveals a central role for transcriptional control in carbon allocation to wood
Roach, Melissa; Arrivault, Stéphanie; Mahboubi, Amir; Krohn, Nicole; Sulpice, Ronan; Stitt, Mark; Niittylä, Totte (Oxford University Press (OUP), 2017-06-22)The contribution of transcriptional and post-transcriptional regulation to modifying carbon allocation to developing wood of trees is not well defined. To clarify the role of transcriptional regulation, the enzyme activity ...