Protein diffusion in plant cell plasma membranes: The cell-wall corral
Studying protein diffusion informs us about how proteins interact with their environment. Work on protein diffusion over the last several decades has illustrated the complex nature of biological lipid bilayers.
Alexandre eMartinière, John eRunions
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Membrane technology has attracted considerable attention for chemical and medical applications, among others. Artificial organs play important roles in medical science. A membrane oxygenator, also known as artificial lung, can replenish O2 and remove CO2
Xinxi Huang +3 more
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A New LxxxA Motif in the Transmembrane Helix3 of Maize Aquaporins Belonging to the Plasma Membrane Intrinsic Protein PIP2 Group Is Required for Their Trafficking to the Plasma Membrane [PDF]
Abstract Aquaporins play important roles in maintaining plant water status under challenging environments. The regulation of aquaporin density in cell membranes is essential to control transcellular water flows. This work focuses on the maize (Zea mays) plasma membrane intrinsic protein (ZmPIP) aquaporin subfamily, which is divided into ...
Adrien S, Chevalier +2 more
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Enhanced Boron Tolerance in Plants Mediated by Bidirectional Transport Through Plasma Membrane Intrinsic Proteins [PDF]
AbstractHigh boron (B) concentration is toxic to plants that limit plant productivity. Recent studies have shown the involvement of the members of major intrinsic protein (MIP) family in controlling B transport. Here, we have provided experimental evidences showing the bidirectional transport activity of rice OsPIP1;3 and OsPIP2;6.
Kareem A. Mosa +5 more
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Identification of a Residue in Helix 2 of Rice Plasma Membrane Intrinsic Proteins That Influences Water Permeability [PDF]
Molecular selection, ion exclusion, and water permeation are well known regulatory mechanisms in aquaporin. Water permeability was found to be diverse in different subgroups of plasma membrane intrinsic proteins (PIPs), even though the residues surrounding the water holes remained the same across the subgroups.
Minhua, Zhang +8 more
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Ebola and Marburg virus matrix layers are locally ordered assemblies of VP40 dimers
Filoviruses such as Ebola and Marburg virus bud from the host membrane as enveloped virions. This process is achieved by the matrix protein VP40. When expressed alone, VP40 induces budding of filamentous virus-like particles, suggesting that localization
William Wan +8 more
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How membrane structures control T cell signaling.
Genetic and biochemical studies have identified a large number of molecules involved in T cell signalling. They have provided us with a comprehensive understanding of protein-protein interactions and protein modifications that take place upon antigen ...
Björn Freimut Lillemeier +1 more
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Subcellular Journey of Rare Cold Inducible 2 Protein in Plant Under Stressful Condition
Rare cold inducible 2 (RCI2) proteins are small hydrophobic membrane proteins in plants, and it has been widely reported that RCI2 expressions are dramatically induced by salt, cold, and drought stresses in many species. The RCI2 proteins have been shown
Hyun-Sung Kim +4 more
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Plasma membrane intrinsic proteins PIP1;1 and PIP1;3 contribute to the tolerance to nitrogen deficiency in potato [PDF]
Nitrogen (N) deficiency is one of the major constraints for potato (Solanum tuberosum L.) production, due to its shallow root system and poor capabilities of N mobilization from the deeper layers of the soil. The aim of this study was to elucidate plasma membrane (PM) proteins potentially involved in the tolerance towards N deficiency.
Anna Maria Jozefowicz +7 more
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Aquaporins (AQPs) are tetrameric channel proteins regulating the transmembrane flux of small uncharged solutes and in particular water in living organisms.
Manuela D. Bienert +4 more
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