Structural and functional divergence of the newly identified GtrIc from its Gtr family of conserved Shigella flexneri serotype-converting glucosyltransferases.

abstract：:The Signal Recognition Particle (SRP) plays a critical role in the sorting of nascent secretory and membrane proteins. Remarkably, this function has been conserved from bacteria, where SRP delivers proteins to the inner membrane, through to eukaryotes, where SRP is required for targeting of proteins to the endoplasmic...

journal_title：Molecular membrane biology

authors： Pool MR

更新日期：2005-01-01 00:00:00

abstract：:Cystic fibrosis transmembrane conductance regulator (CFTR) is a cAMP-regulated C1(-) channel. Malfunction of CFTR causes cystic fibrosis (CF). CFTR belongs to an ATP-binding cassette (ABC) transporter superfamily which includes P-glycoprotein (Pgp), the molecule that is responsible for multidrug resistance in cancer c...

journal_title：Molecular membrane biology

authors： Chen M,Zhang JT

更新日期：1996-01-01 00:00:00

abstract：:Gap junctions are plasma membrane spatial microdomains constructed of assemblies of channel proteins called connexins in vertebrates and innexins in invertebrates. The channels provide direct intercellular communication pathways allowing rapid exchange of ions and metabolites up to approximately 1 kD in size. Approxim...

journal_title：Molecular membrane biology

authors： Evans WH,Martin PE

更新日期：2002-04-01 00:00:00

abstract：:Nanoparticles present a new collection of contrast agents for the field of in vivo molecular imaging. This review focuses on promising molecular imaging probes for optical and magnetic resonance imaging based on four representative nanomaterial(s) platforms: quantum dots, upconversion phosphors, superparamagnetic iron...

journal_title：Molecular membrane biology

authors： Rosenblum LT,Kosaka N,Mitsunaga M,Choyke PL,Kobayashi H

更新日期：2010-10-01 00:00:00

abstract：:Membrane proteins are intrinsically involved in both human and pathogen physiology, and are the target of 60% of all marketed drugs. During the past decade, advances in the studies of membrane proteins using X-ray crystallography, electron microscopy and NMR-based techniques led to the elucidation of over 250 unique m...

journal_title：Molecular membrane biology

authors： Simmons KJ,Gotfryd K,Billesbølle CB,Loland CJ,Gether U,Fishwick CW,Johnson AP

更新日期：2013-03-01 00:00:00

abstract：:Lipid rafts are specialized plasma membrane microdomains in which glycosphingolipids and cholesterol are major structural components. Their relative insolubility to nonionic detergents is the most widely used method to purify these structures. Several signalling proteins are associated with these microdomains in T lym...

journal_title：Molecular membrane biology

authors： Salgado FJ,Piñeiro A,Canda-Sánchez A,Lojo J,Nogueira M

更新日期：2005-05-01 00:00:00

abstract：:At least four different types of interaction between protein transmembrane helices have been described to date. These include the use of charge-pair interactions that can play a positive or negative role in the assembly of multi-subunit complexes such as the T cell receptor, or recruit signal transducing accessory mol...

journal_title：Molecular membrane biology

authors： Harrison PT

更新日期：1996-04-01 00:00:00

abstract：:Notch receptor signalling plays a central role in development and its misfunction has been linked to a number of diseases. In the cannonical Notch signalling pathway, ligand binding to Notch activates a series of proteolytic cleavages that release the Notch intracellular domain for trafficking to the nucleus, where it...

journal_title：Molecular membrane biology

authors： Wilkin MB,Baron M

更新日期：2005-07-01 00:00:00

abstract：:The ATP binding cassette (ABC) transporter Atm1p of the mitochondrial inner membrane performs crucial roles in both the biogenesis of cytosolic/nuclear iron-sulfur proteins and cellular iron homeostasis. Since the function of the mitochondrial iron-sulfur cluster (ISC) assembly machinery is also required for these two...

journal_title：Molecular membrane biology

authors： Kuhnke G,Neumann K,Mühlenhoff U,Lill R

更新日期：2006-03-01 00:00:00

abstract：:The effect of cholesterol and lanosterol on the formation of structures in the gel/subgel phase of 1,2-dipalmitoylphosphatidylcholine was investigated using freeze-fracture electron microscopy and X-ray diffraction. Mixtures with up to 25 mol% sterol were analysed after annealing for between several days and some mont...

journal_title：Molecular membrane biology

authors： Meyer HW,Semmler K,Quinn PJ

更新日期：1997-10-01 00:00:00

abstract：:In hair cells of the inner ear, phosphatidylserine (PS), detected with fluorescent annexin V labeling, was rapidly exposed on the external leaflet of apical plasma membranes upon dissection of the organ of Corti. PS externalization was unchanged by caspase inhibition, suggesting that externalization did not portend ap...

journal_title：Molecular membrane biology

authors： Shi X,Gillespie PG,Nuttall AL

更新日期：2007-01-01 00:00:00

abstract：:Small GTPase Rab36 is homologous to Rab34 with 56% amino acid sequence identity. Rab34 was characterized as a Golgi-associated Rab protein and regulates lysosomal positioning through interaction with RILP; however, the properties and functions of Rab36 have not been investigated. To investigate Rab36, we constructed E...

journal_title：Molecular membrane biology

authors： Chen L,Hu J,Yun Y,Wang T

更新日期：2010-01-01 00:00:00

abstract：:A structural characterization of a synthetic peptide corresponding to the fourth transmembrane domain (M4-TMD) of the gamma-subunit of the nicotinic acetylcholine receptor from Torpedo californica has been undertaken. Solid-state NMR and CD spectroscopy studies indicate that upon reconstitution into lipid vesicles or ...

journal_title：Molecular membrane biology

authors： Williamson PT,Zandomeneghi G,Barrantes FJ,Watts A,Meier BH

更新日期：2005-11-01 00:00:00

abstract：:Treatment of BHK fibroblasts with V. cholerae sialidase for 20 min caused the breakdown of about 70% of total cellular ganglioside GM3 and the production of an approximately equivalent amount of lactosylceramide. On removal of the enzyme, a slow resynthesis of GM3 from lactosylceramide was observed, equivalent to abou...

journal_title：Molecular membrane biology

authors： Sillence DJ,Allan D

更新日期：1998-10-01 00:00:00

abstract：:Glycosyl-phosphatidylinositol (GPI)-anchored proteins are enriched in cholesterol- and sphingolipid-rich lipid rafts within the membrane. Rafts are known to have roles in cellular organization and function, but little is understood about the factors controlling the distribution of proteins in rafts. We have used atomi...

journal_title：Molecular membrane biology

authors： Garner AE,Smith DA,Hooper NM

更新日期：2007-05-01 00:00:00

abstract：:PagP is a bacterial outer membrane protein consisting of an 8 stranded transmembrane beta-barrel and an N-terminal alpha-helix. It is an enzyme which catalyses transfer of a palmitoyl chain from a phospholipid to lipid A. Molecular dynamics simulations have been used to compare the dynamic behaviour in simulations sta...

journal_title：Molecular membrane biology

authors： Cox K,Sansom MS

更新日期：2009-05-01 00:00:00

abstract：:Vascular-targeted drug delivery systems could provide more efficient and effective pharmaceutical interventions for treating a variety of diseases including cardiovascular, pulmonary, inflammatory, and malignant disorders. However, several factors must be taken into account when designing these systems. The diverse bl...

journal_title：Molecular membrane biology

authors： Huang RB,Mocherla S,Heslinga MJ,Charoenphol P,Eniola-Adefeso O

更新日期：2010-08-01 00:00:00

abstract：:Constitutive secretion is used to deliver newly synthesized proteins to the cell surface and to the extracellular milieu. The trans-Golgi network is a key station along this route that mediates sorting of proteins into distinct transport pathways, aided in part by clathrin and adaptor proteins. Subsequent movement of ...

journal_title：Molecular membrane biology

authors： Ponnambalam S,Baldwin SA

更新日期：2003-04-01 00:00:00

abstract：:Previous work from our laboratory has established bovine hippocampal membranes as a convenient natural source for studying neuronal receptors such as the G-protein coupled serotonin1A receptor. In this paper, we have explored the organization and dynamics of bovine hippocampal membranes using environment-sensitive and...

journal_title：Molecular membrane biology

authors： Mukherjee S,Kalipatnapu S,Pucadyil TJ,Chattopadhyay A

更新日期：2006-09-01 00:00:00

abstract：:Absorption of dietary fat in the small intestine involves epithelial exposure to potentially harmful molecules such as bile salts and free fatty acids. We used organ culture of porcine jejunal explants incubated with a pre-digested mixture of fat (plant oil), bile and pancreatin to mimick the physiological process of ...

journal_title：Molecular membrane biology

authors： Danielsen EM,Hansen GH,Rasmussen K,Niels-Christiansen LL

更新日期：2013-05-01 00:00:00

abstract：:A lactate permease was biochemically identified in Candida albicans RM1000 presenting the following kinetic parameters at pH 5.0: Km 0.33+/-0.09 mM and Vmax 0.85+/-0.06 nmol s(-1) mg dry wt(-1). Lactate uptake was competitively inhibited by pyruvic and propionic acids; acetic acid behaved as a non-competitive substrat...

journal_title：Molecular membrane biology

authors： Soares-Silva I,Paiva S,Kötter P,Entian KD,Casal M

更新日期：2004-11-01 00:00:00

abstract：:Glu-269, which is located on the hydrophilic face of putative helix VIII in the lactose permease of Escherichia coli, has been replaced with Asp, Gln or Cys by oligonucleotide-directed, site specific mutagenesis. Cells expressing Asp-269 permease exhibit no lactose accumulation or lactose-induced H+ translocation, but...

journal_title：Molecular membrane biology

authors： Ujwal ML,Sahin-Tóth M,Persson B,Kaback HR

更新日期：1994-01-01 00:00:00

abstract：:Neurotransmitter receptor trafficking in and out synapses has emerged as a key process to regulate synaptic transmission during synaptic development and plasticity both at excitatory and inhibitory synapses. Lateral diffusion of surface neurotransmitter receptors has recently emerged as a key pathway to regulate recep...

journal_title：Molecular membrane biology

authors： Groc L,Choquet D

更新日期：2008-05-01 00:00:00

abstract：:Calpain, an intracellular calcium-dependent protease, is activated at cell membranes and cleaves cytoskeletal and submembranous proteins. Calpain is inferred to be a calcium-dependent regulator for cytoskeletal reorganization. Calpastatin, an endogenous calpain inhibitor, inhibits not only the proteolytic activity of ...

journal_title：Molecular membrane biology

authors： Kawasaki H,Kawashima S

更新日期：1996-10-01 00:00:00

abstract：:CitS of Klebsiella pneumoniae and GltS of Escherichia coli are Na+-dependent secondary transporters from different families that are believed to share the same fold and quaternary structure. A 10 kDa protein tag (Biotin Acceptor Domain [BAD]) was fused to the N-terminus of both proteins (CitS-BAD1 and GltS-BAD1, respe...

journal_title：Molecular membrane biology

authors： Krupnik T,Dobrowolski A,Lolkema JS

更新日期：2011-08-01 00:00:00

abstract：:Trypsin activation of Cry4B, a 130-kDa Bacillus thuringiensis (Bt) protein, produces a 65-kDa toxin active against mosquito larvae. The active toxin is made of two protease resistant-products of ca. 45 kDa and ca. 20 kDa. The cloned 21-kDa fragment consisting of the N-terminal region of the toxin was previously shown ...

journal_title：Molecular membrane biology

authors： Puntheeranurak T,Uawithya P,Potvin L,Angsuthanasombat C,Schwartz JL

更新日期：2004-01-01 00:00:00

abstract：:Recent advances have revealed much about the signaling events and molecular components associated with autophagy. Although it is clear that there are multiple points of intersection and connection between autophagy and known vesicular membrane transport processes between membrane compartments, autophagy is modulated b...

journal_title：Molecular membrane biology

authors： Chan SN,Tang BL

更新日期：2013-12-01 00:00:00

abstract：:This investigation is aimed at defining the structural requirements for aliphatic polyamines to interact with mitochondrial binding sites, which are relevant for the regulation of the permeability transition and for mitochondrial polyamine uptake. The triamines N-aminoethyl-1,2-diaminoethane (dien) and N-aminopropyl-1...

journal_title：Molecular membrane biology

authors： Dalla Via L,Salvi M,Di Noto V,Stefanelli C,Toninello A

更新日期：2004-03-01 00:00:00

abstract：:The transverse distribution of phosphatidylglycerol (PG) across the inner membrane of Escherichia coli was studied. The oxidation of PG by periodate was used to discriminate between the PG present in the cytoplasmic and in the periplasmic leaflet of the inner membrane. Applied to large unilamellar vesicles derived of ...

journal_title：Molecular membrane biology

authors： Huijbregts RP,de Kroon AI,de Kruijff B

更新日期：1997-01-01 00:00:00

abstract：:ADP-ribosylation factor related protein 1 (ARFRP1) is a member of the ARF-family of GTPases which operate as molecular switches in the regulation of intracellular protein traffic. Deletion of the mouse Arfrp1 gene leads to embryonic lethality during early gastrulation, suggesting that ARFRP1 is required for cell adhes...

journal_title：Molecular membrane biology

authors： Zahn C,Hommel A,Lu L,Hong W,Walther DJ,Florian S,Joost HG,Schürmann A

更新日期：2006-11-01 00:00:00