Research Topics
Genomes and GenesSpecies | François ChaumontSummaryCountry: Belgium Publications
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Publications
Regulation of plant aquaporin activityFrançois Chaumont
Unite de Biochimie Physiologique, Institut des Science de la Vie, Universite Catholique de Louvain, Croix du Sud 2 20, B 1348 Louvain la Neuve, Belgium
Biol Cell 97:749-64. 2005..The aim of this review is to integrate recent molecular and biophysical data on the mechanisms regulating aquaporin activity in plant membranes and to relate them to putative changes in protein structure...
Selective regulation of maize plasma membrane aquaporin trafficking and activity by the SNARE SYP121Arnaud Besserer
Institut des Sciences de la Vie, Universite Catholique de Louvain, B 1348 Louvain la Neuve, Belgium
Plant Cell 24:3463-81. 2012..Together with previous data demonstrating the role of SYP121 in regulating K(+) channel trafficking and activity, these results suggest that SYP121 SNARE contributes to the regulation of the cell osmotic homeostasis...
Membrane water permeability and aquaporin expression increase during growth of maize suspension cultured cellsMenachem Moshelion
Institut des Sciences de la Vie, Universite Catholique de Louvain, Louvain la Neuve, Belgium
Plant Cell Environ 32:1334-45. 2009....
An N-terminal diacidic motif is required for the trafficking of maize aquaporins ZmPIP2;4 and ZmPIP2;5 to the plasma membraneEnric Zelazny
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
Plant J 57:346-55. 2009..Together, these results show that the trafficking of maize PM aquaporins is differentially regulated depending on the isoform, and involves a specific signal and mechanism...
The expression pattern of plasma membrane aquaporins in maize leaf highlights their role in hydraulic regulationCharles Hachez
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, 1348 Louvain la Neuve, Belgium
Plant Mol Biol 68:337-53. 2008..Immunocytochemical localization of four ZmPIP isoforms indicated that they are involved in leaf radial water movement, in particular in vascular bundles and the mesophyll...
A conserved cysteine residue is involved in disulfide bond formation between plant plasma membrane aquaporin monomersGerd P Bienert
Institut des Sciences de Vie, Universite Catholique de Louvain, Croix du Sud, 4 L7 07 14, 1348 Louvain la Neuve, Belgium
Biochem J 445:101-11. 2012..In addition, when PIP1 and PIP2 are co-expressed, the loop A cysteine of ZmPIP1;2, but not that of ZmPIP2;5, is involved in the mercury sensitivity of the channels...
Modulating the expression of aquaporin genes in planta: A key to understand their physiological functions?Charles Hachez
Unite de Biochimie Physiologique, Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
Biochim Biophys Acta 1758:1142-56. 2006..The classification of AQPs as constitutive or stress-responsive isoforms is also proposed...
Aquaporins: a family of highly regulated multifunctional channelsCharles Hachez
Institut des Sciences de la Vie, Universit4 catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
Adv Exp Med Biol 679:1-17. 2010..The function, regulation and biological importance of AQPs in the different kingdoms is reviewed in this chapter, with special emphasis on animal and plant AQPs...
Solanaceae XIPs are plasma membrane aquaporins that facilitate the transport of many uncharged substratesGerd Patrick Bienert
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 4 15, B 1348 Louvain la Neuve, Belgium
Plant J 66:306-17. 2011..These data suggest that XIPs function in the transport of uncharged solutes across the cell plasma membrane in specific plant tissues, including at the interface between the environment and external cell layers...
Repression of early lateral root initiation events by transient water deficit in barley and maizeAurélie Babé
Earth and Life Institute, Agronomy, Universite Catholique de Louvain, Croix du Sud 2, L7 05 11, 1348 Louvain la Neuve, Belgium
Philos Trans R Soc Lond B Biol Sci 367:1534-41. 2012..This system could be instrumental in the analysis of the molecular basis of drought-responsive as well as intrinsic pathways of LR formation in cereals...
Role of aquaporins in leaf physiologyRobert B Heinen
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
J Exp Bot 60:2971-85. 2009..The role of AQPs in leaf growth and movement, and in CO(2) transport is also discussed...
Maize plasma membrane aquaporins belonging to the PIP1 and PIP2 subgroups are in vivo phosphorylatedValérie Van Wilder
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
Plant Cell Physiol 49:1364-77. 2008..These results indicate that, in oocytes, S126 and S203 play an important role in ZmPIP2;1 activity and that phosphorylation of S285 is not required for its activity...
The Arabidopsis thaliana trehalase is a plasma membrane-bound enzyme with extracellular activityMathieu Frison
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud, 5 15, B 1348 Louvain la Neuve, Belgium
FEBS Lett 581:4010-6. 2007..8. We further demonstrate that AtTRE1 expressed in yeast is plasma membrane-bound as in plant cell. In light of these findings, the regulation of plant cell endogenous trehalose by trehalase is discussed...
Short-term control of maize cell and root water permeability through plasma membrane aquaporin isoformsCharles Hachez
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 4 L7 07 14, B 1348 Louvain la Neuve, Belgium
Plant Cell Environ 35:185-98. 2012..These data support a role of specific PIP isoforms, in particular ZmPIP1;2 and ZmPIP2;5, in regulating root water uptake and cortex cell hydraulic conductivity in maize...
FRET imaging in living maize cells reveals that plasma membrane aquaporins interact to regulate their subcellular localizationEnric Zelazny
Institut des Sciences de la Vie, Universite Catholique de Louvain, Croix du Sud 5 15, B 1348 Louvain la Neuve, Belgium
Proc Natl Acad Sci U S A 104:12359-64. 2007..These data suggest that PIP1-PIP2 interaction is required for in planta PIP1 trafficking to the plasma membrane to modulate plasma membrane permeability...
