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832 results on '"Jacquot, Jean-Pierre"'

1. Multi-model Animation with JeB

Author

Jacquot, Jean-Pierre, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Bonfanti, Silvia, editor, Gargantini, Angelo, editor, Leuschel, Michael, editor, Riccobene, Elvinia, editor, and Scandurra, Patrizia, editor

Published
2024
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2. Contributors

Author

Alvarez, Beatriz, primary, Antelmann, Haike, additional, Arnér, Elias S.J., additional, Aschner, Michael, additional, Bandyopadhyay, Tirthankar, additional, Banerjee, Ruma, additional, Benchoam, Dayana, additional, Berkmen, Mehmet, additional, Berndt, Carsten, additional, Bodnar, Yana, additional, de Bont, Linda, additional, Bortoli, Marco, additional, Carballal, Sebastián, additional, Carroll, Kate S., additional, Comini, Marcelo A., additional, Cuevasanta, Ernesto, additional, Denicola, Ana, additional, Deponte, Marcel, additional, Dick, Tobias P., additional, Eaglesham, James B., additional, Ezeriņa, Daria, additional, Ferrer-Sueta, Gerardo, additional, Forshaw, Tom E., additional, Fritsch, Verena Nadin, additional, Furdui, Cristina M., additional, Garcia, Augusto, additional, Gellert, Manuela, additional, Gladyshev, Vadim N., additional, Jacquot, Jean-Pierre, additional, Leichert, Lars I., additional, Lillig, Christopher Horst, additional, Lundstedt, Emily, additional, Manta, Bruno, additional, Marino, Stefano M., additional, Mariotti, Marco, additional, Messens, Joris, additional, Möller, Matías N., additional, Morgan, Bruce, additional, Netto, Luis E.S., additional, Nogara, Pablo A., additional, Oliveira, Cláudia S., additional, de Oliveira, Marcos Antonio, additional, Orian, Laura, additional, Orrico, Florencia, additional, Outten, Caryn E., additional, Pereira, Meire E., additional, Racho, Julia, additional, Radi, Rafael, additional, Randall, Lía M., additional, Riemer, Jan, additional, Rocha, João B.T., additional, Rouhier, Nicolas, additional, Salinas, Gustavo, additional, Schöneich, Christian, additional, Schopfer, Francisco J., additional, Shi, Yunlong, additional, Steglich, Martina, additional, Tairum, Carlos A., additional, Talwar, Deepti, additional, Thomson, Leonor, additional, Trujillo, Madia, additional, Tsang, Allen W., additional, Turell, Lucía, additional, Villar, Sebastián, additional, Vitturi, Dario A., additional, Weiss, Konstantin, additional, Wilms, Christina, additional, Zeida, Ari, additional, and Zimmermann, Jannik, additional

Published
2022
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4. Chloroplast FBPase and SBPase are thioredoxin-linked enzymes with similar architecture but different evolutionary histories

Author

Gütle, Desirée D, Roret, Thomas, Müller, Stefanie J, Couturier, Jérémy, Lemaire, Stéphane D, Hecker, Arnaud, Dhalleine, Tiphaine, Buchanan, Bob B, Reski, Ralf, Einsle, Oliver, and Jacquot, Jean-Pierre

Subjects
1.1 Normal biological development and functioning, Underpinning research, Bryopsida, Chloroplast Proteins, Evolution, Molecular, Fructose-Bisphosphatase, Phosphoric Monoester Hydrolases, Thioredoxins, Calvin-Benson cycle, sedoheptulose-1, 7-bisphosphatase, fructose-1, 6-bisphosphatase, redox regulation, thiol-disulfide exchange, Calvin–Benson cycle, thiol–disulfide exchange
Abstract

The Calvin-Benson cycle of carbon dioxide fixation in chloroplasts is controlled by light-dependent redox reactions that target specific enzymes. Of the regulatory members of the cycle, our knowledge of sedoheptulose-1,7-bisphosphatase (SBPase) is particularly scanty, despite growing evidence for its importance and link to plant productivity. To help fill this gap, we have purified, crystallized, and characterized the recombinant form of the enzyme together with the better studied fructose-1,6-bisphosphatase (FBPase), in both cases from the moss Physcomitrella patens (Pp). Overall, the moss enzymes resembled their counterparts from seed plants, including oligomeric organization-PpSBPase is a dimer, and PpFBPase is a tetramer. The two phosphatases showed striking structural homology to each other, differing primarily in their solvent-exposed surface areas in a manner accounting for their specificity for seven-carbon (sedoheptulose) and six-carbon (fructose) sugar bisphosphate substrates. The two enzymes had a similar redox potential for their regulatory redox-active disulfides (-310 mV for PpSBPase vs. -290 mV for PpFBPase), requirement for Mg(2+) and thioredoxin (TRX) specificity (TRX f > TRX m). Previously known to differ in the position and sequence of their regulatory cysteines, the enzymes unexpectedly showed unique evolutionary histories. The FBPase gene originated in bacteria in conjunction with the endosymbiotic event giving rise to mitochondria, whereas SBPase arose from an archaeal gene resident in the eukaryotic host. These findings raise the question of how enzymes with such different evolutionary origins achieved structural similarity and adapted to control by the same light-dependent photosynthetic mechanism-namely ferredoxin, ferredoxin-thioredoxin reductase, and thioredoxin.

Published
2016

7. Scientific contributions of Pierre Gadal and his lab—A tribute to Pierre Gadal (1938–2019)

Author

Chen, Ridong, primary, Droux, Michel, additional, Goyer, Aymeric, additional, Hirel, Bertrand, additional, Hodges, Michael, additional, Issakidis-Bourguet, Emmanuelle, additional, Jacquot, Jean-Pierre, additional, De Lamotte, Frederic, additional, Lemaire, Stephane D., additional, Lemaire-Chamley, Martine, additional, Miginiac-Maslow, Myroslawa, additional, Sugiyama, Tatsuo, additional, Suzuki, Akira, additional, and Vidal, Jean, additional

Published
2021
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9. Software Engineering Education by Example

Author

Boudjlida, Nacer, Jacquot, Jean-Pierre, and Urso, Pascal

Subjects
Computer Science - Software Engineering
Abstract

Based on the old but famous distinction between "in the small" and "in the large" software development, at Nancy Universit\'e, UHP Nancy 1, we experience for a while software engineering education thanks to actual project engineering. This education method has the merit to enable students to discover and to overcome actual problems when faced to a large project which may be conducted by a large development team. The mode of education is a simulation of an actual software engineering project as encountered in "real life\'e" activities.

Published
2009

11. Thioredoxin and Glutaredoxin Systems

Author

Zaffagnini, Mirko and Jacquot, Jean-Pierre

Abstract

This Special Issue features recent data concerning thioredoxins and glutaredoxins from various biological systems, including bacteria, mammals, and plants. Four of the sixteen articles are review papers that deal with the regulation of development of the effect of hydrogen peroxide and the interactions between oxidants and reductants, the description of methionine sulfoxide reductases, detoxification enzymes that require thioredoxin or glutaredoxin, and the response of plants to cold stress, respectively. This is followed by eleven research articles that focus on a reductant of thioredoxin in bacteria, a thioredoxin reductase, and a variety of plant and bacterial thioredoxins, including the m, f, o, and h isoforms and their targets. Various parameters are studied, including genetic, structural, and physiological properties of these systems. The redox regulation of monodehydroascorbate reductase, aminolevulinic acid dehydratase, and cytosolic isocitrate dehydrogenase could have very important consequences in plant metabolism. Also, the properties of the mitochondrial o-type thioredoxins and their unexpected capacity to bind iron–sulfur center (ISC) structures open new developments concerning the redox mitochondrial function and possibly ISC assembly in mitochondria. The final paper discusses interesting biotechnological applications of thioredoxin for breadmaking.

Published
2019

18. Structural insights into the interactions of glutathione transferases with a nitric oxide carrier and sodium nitroprusside

Author

Schwartz, Mathieu, primary, Perrot, Thomas, additional, Beurton, Jordan, additional, Zannini, Flavien, additional, Morel-Rouhier, Mélanie, additional, Gelhaye, Eric, additional, Neiers, Fabrice, additional, Schaniel, Dominik, additional, Favier, Frédérique, additional, Jacquot, Jean-Pierre, additional, Leroy, Pierre, additional, Clarot, Igor, additional, Boudier, Ariane, additional, and Didierjean, Claude, additional

Published
2023
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20. Scaling Up with Event-B: A Case Study

Author

Yang, Faqing, Jacquot, Jean-Pierre, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Bobaru, Mihaela, editor, Havelund, Klaus, editor, Holzmann, Gerard J., editor, and Joshi, Rajeev, editor

Published
2011
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24. Consistency in UML and B Multi-view Specifications

Author

Ossami, Dieu Donné Okalas, Jacquot, Jean-Pierre, Souquières, Jeanine, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Romijn, Judi, editor, Smith, Graeme, editor, and van de Pol, Jaco, editor

Published
2005
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28. Molecular Aspects of Components of the Ferredoxin/Thioredoxin Systems

Author

Jacquot, Jean-Pierre, Stein, Mariana, Lemaire, Stéphane, Decottignies, Paulette, Le Maréchal, Pierre, Lancelin, Jean-Marc, Govindjee, editor, Amesz, Jan, editor, Aro, Eva-Mari, editor, Barber, James, editor, Blankenship, Robert E., editor, Murata, Norio, editor, Ort, Donald R., editor, Rochaix, J. -D., editor, Goldschmidt-Clermont, M., editor, and Merchant, S., editor

Published
1998
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39. Scientific contributions of Pierre Gadal and his lab - A tribute to Pierre Gadal (1938–2019)

Author

Chen, Ridong, Droux, Michel, Goyer, Aymeric, Hirel, Bertrand, Hodges, Michael, Issakidis-Bourguet, Emmanuelle, Jacquot, Jean-Pierre, De Lamotte, Frederic, Lemaire, Stephane, Lemaire-Chamley, Martine, Miginiac-Maslow, Myroslawa, Sugiyama, Tatsuo, Suzuki, Akira, Vidal, Jean, Cui, Xiaoyun, Zheng, Yu, Lu, Yue, Zhou, Dao-Xiu, Centre National de la Recherche Scientifique (CNRS), Microbiologie, adaptation et pathogénie (MAP), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Oregon State University (OSU), Institut Jean-Pierre Bourgin (IJPB), AgroParisTech-Université Paris-Saclay-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Institut des Sciences des Plantes de Paris-Saclay (IPS2 (UMR_9213 / UMR_1403)), Université d'Évry-Val-d'Essonne (UEVE)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Interactions Arbres-Microorganismes (IAM), Université de Lorraine (UL)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Amélioration génétique et adaptation des plantes méditerranéennes et tropicales (UMR AGAP), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Biologie Computationnelle et Quantitative = Laboratory of Computational and Quantitative Biology (LCQB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Biologie Paris Seine (IBPS), Sorbonne Université (SU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Biologie du fruit et pathologie (BFP), Université Bordeaux Segalen - Bordeaux 2-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Sciences et Technologies - Bordeaux 1, Environmental Molecular Biology Laboratory (RIKEN), RIKEN - Institute of Physical and Chemical Research [Japon] (RIKEN), APT Therapeutics Inc, Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Université de Bordeaux (UB)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon, Université Bordeaux Segalen - Bordeaux 2-Université Sciences et Technologies - Bordeaux 1-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Trafic et signalisation membranaires chez les bactéries (MTSB), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université d'Évry-Val-d'Essonne (UEVE)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro - Montpellier SupAgro, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), and Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
0106 biological sciences, 0303 health sciences, [SDV]Life Sciences [q-bio], Tribute, Library science, 01 natural sciences, [SDV.BV.AP]Life Sciences [q-bio]/Vegetal Biology/Plant breeding, 03 medical and health sciences, Plant science, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, Sociology, Period (music), University system, Fructose bisphosphatase Glutamine synthetase GOGAT Isocitrate dehydrogenase NADP-malate dehydrogenase Nitrogen assimilation PEP carboxylase Photosynthesis Redox regulation Thioredoxin, ComputingMilieux_MISCELLANEOUS, 030304 developmental biology, 010606 plant biology & botany
Abstract

International audience; This chapter is dedicated to the memory of Pierre Gadal a former Series Editor for Advances in Botanical Research. Its aim is to describe the research that has been done in his laboratory covering essentially the period 1970–2000 and provides first-hand testimony about how it has been done. Besides the scientific output concerning CO2 and nitrogen assimilation and their regulation described in this chapter Pierre Gadal has been very influential in plant science in France through his interactions with the University system but also with CNRS and INRA communities. Through the organization of the doctorate school in University of Paris-Sud he has helped train hundreds of students, and more specifically concerning his own research group, more than 10 of his former students have become CNRS researchers, many with high positions and responsibilities, a similar number INRA researchers and Professors and Assistant Professors in the University system. Fourteen different colleagues have contributed to this chapter, each with his own perception, heart and guts, a further testimony to the exceptional human and scientific qualities of Pierre.Keywords

Published
2021

42. Interrogating the Role of the Two Distinct Fructose-Bisphosphate Aldolases of Bacillus methanolicus by Site-Directed Mutagenesis of Key Amino Acids and Gene Repression by CRISPR Interference

Author

Schultenkämper, Kerstin, Gütle, Desirée D., Gil Lopez, Marina, Keller, Laura B., Zhang, Lin, Einsle, Oliver, Jacquot, Jean-Pierre, Wendisch, Volker F., Universität Bielefeld = Bielefeld University, Interactions Arbres-Microorganismes (IAM), Université de Lorraine (UL)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), and University of Freiburg [Freiburg]

Subjects
7-bisphosphate aldolase, glycolysis, Microbiology, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, fructose-1,6-bisphosphate aldolase, QR1-502, gluconeogenesis, 6-bisphosphate aldolase, fructose-1, methylotrophy, transketolase, sedoheptulose 1,7-bisphosphate aldolase, sedoheptulose 1, CRISPR interference, Original Research
Abstract

International audience; The Gram-positive Bacillus methanolicus shows plasmid-dependent methylotrophy. This facultative ribulose monophosphate (RuMP) cycle methylotroph possesses two fructose bisphosphate aldolases (FBA) with distinct kinetic properties. The chromosomally encoded FBA C is the major glycolytic aldolase. The gene for the major gluconeogenic aldolase FBA P is found on the natural plasmid pBM19 and is induced during methylotrophic growth. The crystal structures of both enzymes were solved at 2.2 Å and 2.0 Å, respectively, and they suggested amino acid residue 51 to be crucial for binding fructose-1,6-bisphosphate (FBP) as substrate and amino acid residue 140 for active site zinc atom coordination. As FBA C and FBA P differed at these positions, site-directed mutagenesis (SDM) was performed to exchange one or both amino acid residues of the respective proteins. The aldol cleavage reaction was negatively affected by the amino acid exchanges that led to a complete loss of glycolytic activity of FBA P . However, both FBA C and FBA P maintained gluconeogenic aldol condensation activity, and the amino acid exchanges improved the catalytic efficiency of the major glycolytic aldolase FBA C in gluconeogenic direction at least 3-fold. These results confirmed the importance of the structural differences between FBA C and FBA P concerning their distinct enzymatic properties. In order to investigate the physiological roles of both aldolases, the expression of their genes was repressed individually by CRISPR interference (CRISPRi). The fba C RNA levels were reduced by CRISPRi, but concomitantly the fba P RNA levels were increased. Vice versa, a similar compensatory increase of the fba C RNA levels was observed when fba P was repressed by CRISPRi. In addition, targeting fba P decreased tkt P RNA levels since both genes are cotranscribed in a bicistronic operon. However, reduced tkt P RNA levels were not compensated for by increased RNA levels of the chromosomal transketolase gene tkt C .

Published
2021

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