Search Results - "Le Roy, Katrien"

X‐ray diffraction structure of a plant glycosyl hydrolase family 32 protein: fructan 1‐exohydrolase IIa of Cichorium intybus by Verhaest, Maureen, Ende, Wim Van den, Roy, Katrien Le, De Ranter, Camiel J., Laere, André Van, Rabijns, Anja

“…Summary Fructan 1‐exohydrolase, an enzyme involved in fructan degradation, belongs to the glycosyl hydrolase family 32. The structure of isoenzyme 1‐FEH IIa…”
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Influencing the binding configuration of sucrose in the active sites of chicory fructan 1-exohydrolase and sugar beet fructan 6-exohydrolase by Le Roy, Katrien, Lammens, Willem, Van Laere, André, Van den Ende, Wim

“…The hydrolytic plant enzymes of family 32 of glycoside hydrolases (GH32), including acid cell wall type invertases (EC 3.2.1.26), fructan 1-exohydrolases…”
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Structural insights into glycoside hydrolase family 32 and 68 enzymes: functional implications by Lammens, Willem, Le Roy, Katrien, Schroeven, Lindsey, Van Laere, André, Rabijns, Anja, Van den Ende, Wim

“…Glycoside hydrolases (GH) have been shown to play unique roles in various biological processes like the biosynthesis of glycans, cell wall metabolism, plant…”
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A Single Active Trehalose-6-P Synthase (TPS) and a Family of Putative Regulatory TPS-Like Proteins in Arabidopsis by Vandesteene, Lies, Ramon, Matthew, Le Roy, Katrien, Van Dijck, Patrick, Rolland, Filip

“…Higher plants typically do not produce trehalose in large amounts, but their genome sequences reveal large families of putative trehalose metabolism enzymes…”
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Fructan metabolism in developing wheat (Triticum aestivum L.) kernels by Verspreet, Joran, Cimini, Sara, Vergauwen, Rudy, Dornez, Emmie, Locato, Vittoria, Le Roy, Katrien, De Gara, Laura, Van den Ende, Wim, Delcour, Jan A, Courtin, Christophe M

“…Although fructans play a crucial role in wheat kernel development, their metabolism during kernel maturation is far from being understood. In this study, all…”
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Donor and acceptor substrate selectivity among plant glycoside hydrolase family 32 enzymes by Van den Ende, Wim, Lammens, Willem, Van Laere, André, Schroeven, Lindsey, Le Roy, Katrien

“…Plant family 32 glycoside hydrolase enzymes include hydrolases (cell wall invertases, fructan exohydrolases, vacuolar invertases) and fructosyltransferases…”
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pKa modulation of the acid/base catalyst within GH32 and GH68: a role in substrate/inhibitor specificity? by Yuan, Shuguang, Le Roy, Katrien, Venken, Tom, Lammens, Willem, Van den Ende, Wim, De Maeyer, Marc

“…Glycoside hydrolases of families 32 (GH32) and 68 (GH68) belong to clan GH-J, containing hydrolytic enzymes (sucrose/fructans as donor substrates) and…”
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1-FFT amino acids involved in high DP inulin accumulation in Viguiera discolor by De Sadeleer, Emerik, Vergauwen, Rudy, Struyf, Tom, Le Roy, Katrien, Van den Ende, Wim

“…Fructans are important vacuolar reserve carbohydrates with drought, cold, ROS and general abiotic stress mediating properties. They occur in 15% of all…”
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Insights into the fine architecture of the active site of chicory fructan 1-exohydrolase: 1-kestose as substrate vs sucrose as inhibitor by Verhaest, Maureen, Lammens, Willem, Le Roy, Katrien, De Ranter, Camiel J, Van Laere, André, Rabijns, Anja, Van den Ende, Wim

“…Invertases and fructan exohydrolases (FEHs) fulfil important physiological functions in plants. Sucrose is the typical substrate for invertases and bacterial…”
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Cloning, gene mapping, and functional analysis of a fructan 1-exohydrolase (1-FEH) from Lolium perenne implicated in fructan synthesis rather than in fructan mobilization by Lothier, Jérémy, Lasseur, Bertrand, Le Roy, Katrien, Van Laere, André, Prud'homme, Marie-Pascale, Barre, Philippe, Van den Ende, Wim, Morvan-Bertrand, Annette

“…Fructans, which are β-(2,1) and/or β-(2,6) linked polymers of fructose, are important storage carbohydrates in many plants. They are mobilized via fructan…”
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N-glycosylation affects substrate specificity of chicory fructan 1-exohydrolase: evidence for the presence of an inulin binding cleft by Le Roy, Katrien, Verhaest, Maureen, Rabijns, Anja, Clerens, Stefan, Van Laere, André, Van den Ende, Wim

“…Recently, the three-dimensional structure of chicory (Cichorium intybus) fructan 1-exohydrolase (1-FEH IIa) in complex with its preferential substrate,…”
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Cloning and functional analysis of a high DP fructan:fructan 1-fructosyl transferase from Echinops ritro (Asteraceae): comparison of the native and recombinant enzymes by Ende, Wim Van den, Clerens, Stefan, Vergauwen, Rudy, Boogaerts, David, Le Roy, Katrien, Arckens, Lutgarde, Laere, André Van

“…Inulin-type fructans are the simplest and most studied fructans and have become increasingly popular as prebiotic health-improving compounds. A natural…”
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Arabidopsis AtcwINV3 and 6 are not invertases but are fructan exohydrolases (FEHs) with different substrate specificities by DE CONINCK, BARBARA, LE ROY, KATRIEN, FRANCIS, ISOLDE, CLERENS, STEFAN, VERGAUWEN, RUDY, HALLIDAY, AILEEN M., SMITH, STEVEN M., VAN LAERE, ANDRÉ, VAN DEN ENDE, WIM

“…ABSTRACT The genome of Arabidopsis thaliana contains six putative cell‐wall type invertase genes (AtcwINV1‐6). Heterologous expression of AtcwINV1, 3 and 6…”
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Unraveling the Difference between Invertases and Fructan Exohydrolases: A Single Amino Acid (Asp-239) Substitution Transforms Arabidopsis Cell Wall Invertase1 into a Fructan 1-Exohydrolase1[C] by Roy, Katrien Le, Lammens, Willem, Verhaest, Maureen, Coninck, Barbara De, Rabijns, Anja, Laere, André Van, Ende, Wim Van den

“…Plant cell wall invertases and fructan exohydrolases (FEHs) are very closely related enzymes at the molecular and structural level (family 32 of glycoside…”
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Sugar signalling and antioxidant network connections in plant cells by Bolouri-Moghaddam, Mohammad Reza, Le Roy, Katrien, Xiang, Li, Rolland, Filip, Van den Ende, Wim

“…Sugars play important roles as both nutrients and regulatory molecules throughout plant life. Sugar metabolism and signalling function in an intricate network…”
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Exploring the neutral invertase–oxidative stress defence connection in Arabidopsis thaliana by Xiang, Li, Le Roy, Katrien, Bolouri-Moghaddam, Mohammad-Reza, Vanhaecke, Mieke, Lammens, Willem, Rolland, Filip, Van den Ende, Wim

“…Over the past decades, considerable advances have been made in understanding the crucial role and the regulation of sucrose metabolism in plants. Among the…”
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Understanding the Role of Defective Invertases in Plants: Tobacco Nin88 Fails to Degrade Sucrose by Le Roy, Katrien, Vergauwen, Rudy, Struyf, Tom, Yuan, Shuguang, Lammens, Willem, Mátrai, Janka, De Maeyer, Marc, Van den Ende, Wim

“…Cell wall invertases (cwINVs), with a high affinity for the cell wall, are fundamental enzymes in the control of plant growth, development, and carbon…”
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Unexpected Presence of Graminan- and Levan-Type Fructans in the Evergreen Frost-Hardy Eudicot Pachysandra terminalis (Buxaceae): Purification, Cloning, and Functional Analysis of a 6-SST/6-SFT Enzyme by Van den Ende, Wim, Coopman, Marlies, Clerens, Stefan, Vergauwen, Rudy, Le Roy, Katrien, Lammens, Willem, Van Laere, André

“…About 15% of flowering plants accumulate fructans. Inulin-type fructans with β(2,1) fructosyl linkages typically accumulate in the core eudicot families (e.g…”
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Unraveling the Difference between Invertases and Fructan Exohydrolases: A Single Amino Acid (Asp-239) Substitution Transforms Arabidopsis Cell Wall Invertase1 into a Fructan 1-Exohydrolase by Le Roy, Katrien, Lammens, Willem, Verhaest, Maureen, De Coninck, Barbara, Rabijns, Anja, Van Laere, André, Van den Ende, Wim

“…Plant cell wall invertases and fructan exohydrolases (FEHs) are very closely related enzymes at the molecular and structural level (family 32 of glycoside…”
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Crystal Structures of Arabidopsis thaliana Cell-Wall Invertase Mutants in Complex with Sucrose by Lammens, Willem, Le Roy, Katrien, Van Laere, André, Rabijns, Anja, Van den Ende, Wim

“…In plants, cell-wall invertases fulfil important roles in carbohydrate partitioning, growth, development and crop yield. In this study, we report on different…”
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