Ion channels formed in planar lipid bilayers by the dipteran-specific Cry4B Bacillus thuringiensis toxin and its alpha1-alpha5 fragment.

abstract：:The assessment of the transverse distribution and mobility of NBD-labelled phospholipid analogues in biological membranes by selective chemical destruction of fluorescent label in the outer monolayer with dithionite has been investigated using resealed erythrocyte ghosts as a model system. The distribution of those an...

journal_title：Molecular membrane biology

authors： Pomorski T,Herrmann A,Zachowski A,Devaux PF,Müller P

更新日期：1994-01-01 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：: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：:2B is a 99 amino acid membrane protein encoded by enteroviruses such as polio and coxsackie viruses with two transmembrane domains. The protein is found to make membranes of infected cells permeable. Using a computational approach which positions the models and assesses stability by molecular dynamics (MD) simulations...

journal_title：Molecular membrane biology

authors： Patargias G,Barke T,Watts A,Fischer WB

更新日期：2009-08-01 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：: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：:Organellar and cytosolic pH homeostasis is central to most cellular processes, including vesicular trafficking, post-translational modification/processing of proteins, and receptor-ligand interactions. SLC9A7 (NHE7) was identified as a unique (Na+, K+)/H+ exchanger that dynamically cycles between the trans-Golgi netwo...

journal_title：Molecular membrane biology

authors： Kagami T,Chen S,Memar P,Choi M,Foster LJ,Numata M

更新日期：2008-08-01 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：: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：:Temperature-composition phase diagrams of binary lipid mixtures under conditions of constant pressure and excess water show that component immiscibility is the rule rather than the exception in these systems. Phase immiscibility is particularly noted in the solid phase but several cases are known where immiscibility i...

journal_title：Molecular membrane biology

authors： Vaz WL

更新日期：1995-01-01 00:00:00

abstract：:The number of structures of integral membrane proteins from higher eukaryotes is steadily increasing due to a number of innovative protein engineering and crystallization strategies devised over the last few years. However, it is sobering to reflect that these structures represent only a tiny proportion of the total n...

journal_title：Molecular membrane biology

authors： Andréll J,Tate CG

更新日期：2013-02-01 00:00:00

abstract：:This review describes the numerous and innovative methods used to study the structure and function of viral fusion peptides. The systems studied include both intact fusion proteins and synthetic peptides interacting with model membranes. The strategies and methods include dissecting the fusion process into intermediat...

journal_title：Molecular membrane biology

authors： Durell SR,Martin I,Ruysschaert JM,Shai Y,Blumenthal R

更新日期：1997-07-01 00:00:00

abstract：:Numerous cell surface receptors propagate activation signals to the interior of the cell via tyrosine phosphorylation of transmembrane proteins. This leads to the phosphotyrosine (PiY)-mediated recruitment of cytoplasmic signalling protein complexes which catalyze crucial biochemical signalling reactions. Here we desc...

journal_title：Molecular membrane biology

authors： Sangani D,Venien-Bryan C,Harder T

更新日期：2009-04-01 00:00:00

abstract：:In Saccharomyces cerevisiae Jen1p is a lactate/proton symporter belonging to the lactate/pyruvate:H(+) symporter subfamily (TC#2.A.1.12.2) of the Major Facilitator Superfamily. We investigated structure-function relationships of Jen1p using a rational mutational analysis based on the identification of conserved amino ...

journal_title：Molecular membrane biology

authors： Soares-Silva I,Paiva S,Diallinas G,Casal M

更新日期：2007-09-01 00:00:00

abstract：:Eleven sequenced anion exchanger (AE; band 3) proteins, including five AE1, four AE2 and two AE3 proteins, comprise the anion exchanger family (AEF) of homologous proteins. Eliminating the rat and rabbit proteins that are nearly identical to the corresponding mouse proteins, seven dissimilar members of this family wer...

journal_title：Molecular membrane biology

authors： Espanol MJ,Saier MH Jr

更新日期：1995-04-01 00:00:00

abstract：:The entry of substrates into, and the export of glururonides from, the lumen of hepatic endoplasmic reticulum (ER) in vitro (sealed microsomes) has been measured using radioactivity-labelled materials and a rapid filtration assay. Analysis of liver microsomes from a jaundiced patient showed the accumulation of bilirub...

journal_title：Molecular membrane biology

authors： Waddell ID,Robertson K,Burchell A,Hume R,Burchell B

更新日期：1995-07-01 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：: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：:Glucosyltransferases (Gtrs) and O-acetyltransferase (Oac) are integral membrane proteins embedded within the cytoplasmic membrane of Shigella flexneri. Gtrs and Oac are responsible for unidirectional host serotype conversion by altering the epitopic properties of the bacterial surface lipopolysaccharide (LPS) O-antige...

journal_title：Molecular membrane biology

authors： Ramiscal RR,Tang SS,Korres H,Verma NK

更新日期：2010-04-01 00:00:00

abstract：:Dengue fever is one of the most widespread tropical diseases in the world. The disease is caused by a virus member of the Flaviviridae family, a group of enveloped positive sense single-stranded RNA viruses. Dengue virus infection is mediated by virus glycoprotein E, which binds to the cell surface. After uptake by en...

journal_title：Molecular membrane biology

authors： Stauffer F,Melo MN,Carneiro FA,Sousa FJ,Juliano MA,Juliano L,Mohana-Borges R,Da Poian AT,Castanho MA

更新日期：2008-02-01 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：:The cyanelles of the glaucocystophyte alga Cyanophora paradoxa resemble endosymbiotic cyanobacteria in morphology, pigmentation and, especially, in the presence of a peptidoglycan wall situated between the inner and outer envelope membranes. However, it is now clear that cyanelles in fact are primitive plastids. Phylo...

journal_title：Molecular membrane biology

authors： Steiner JM,Löffelhardt W

更新日期：2005-01-01 00:00:00

abstract：:A group of prenyltransferases produce linear lipids by catalyzing consecutive condensation reactions of farnesyl diphosphate (FPP) with specific numbers of isopentenyl diphosphate (IPP), a common building block of isoprenoid compounds. Depending on the stereochemistry of the double bonds formed during IPP condensation...

journal_title：Molecular membrane biology

authors： Teng KH,Liang PH

更新日期：2012-11-01 00:00:00

abstract：:Site-directed mutagenesis and site-directed fluorescence spectroscopy demonstrate that Cys148 interacts hydrophobically with the galactosyl moiety of substrates of the lactose permease of Escherichia coli. By taking advantage of the finding that labelling of single-Cys148 permease with the thiol-specific fluorophore 2...

journal_title：Molecular membrane biology

authors： He MM,Kaback HR

更新日期：1998-01-01 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：:Notch is a vitally important signalling receptor controlling cell fate determination and pattern formation in numerous ways during development of both invertebrate and vertebrate species. An intriguing pathway for the Notch signal has emerged where, after ligand-dependent proteolysis, an intracellular fragment of the ...

journal_title：Molecular membrane biology

authors： Baron M,Aslam H,Flasza M,Fostier M,Higgs JE,Mazaleyrat SL,Wilkin MB

更新日期：2002-01-01 00:00:00

abstract：:Membrane proteins are ubiquitous in biology and are key targets for therapeutic development. Despite this, our structural understanding has lagged behind that of their soluble counterparts. This review provides an overview of this important field, focusing in particular on the recent resurgence of electron microscopy ...

journal_title：Molecular membrane biology

authors： Rawson S,Davies S,Lippiat JD,Muench SP

更新日期：2016-03-01 00:00:00

abstract：:'No cellular organelle has been the subject of as many, as long-lasting or as diverse polemics as the Golgi apparatus'. This statement was made by Whaley almost 30 years ago in the book The Golgi Apparatus and still holds true today, perhaps more then ever. Why is this? How come something as mundane as a series of int...

journal_title：Molecular membrane biology

authors： Elsner M,Hashimoto H,Nilsson T

更新日期：2003-07-01 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：:Intracellular pH was measured with the pH-sensitive fluorescent probe BCECF in spinal cord neurones cultured from rat embryos. At an external pH of 7.3, the average steady-state pHi was 7.18 +/- 0.03 (SEM, n = 97) and 7.02 +/- 0.01 (n = 221) in HEPES-buffered and in bicarbonate-buffered medium, respectively. In both e...

journal_title：Molecular membrane biology

authors： Brechenmacher C,Rodeau JL

更新日期：2000-04-01 00:00:00