Inter-domain movements in polyketide synthases: a molecular dynamics study.

abstract：:Differential gene expression governs the development, function and pathology of multicellular organisms. Transcription regulatory networks study differential gene expression at a systems level by mapping the interactions between regulatory proteins and target genes. While microarray transcription profiles are the most...

journal_title：Molecular bioSystems

authors： Vermeirssen V,Joshi A,Michoel T,Bonnet E,Casneuf T,Van de Peer Y

更新日期：2009-12-01 00:00:00

abstract：:Lamellipodin (Lpd) protein plays an important role in the formation of lamellipodial protrusion which is crucial in actin dynamics, cell polarity and motility. Lpd promotes actin polymerization with the help of members of the Ena/VASP family of actin regulators and tethering them to actin filaments. It is well documen...

journal_title：Molecular bioSystems

authors： Gorai S,Paul D,Haloi N,Borah R,Santra MK,Manna D

更新日期：2016-03-01 00:00:00

abstract：:Synthetic studies of lipid A and LPS partial structures have been performed to investigate the relationship between structures and functions of LPS. Recent studies have suggested several pathological implications of LPS from parasitic bacteria due to its influence on the host immune responses. To address this issue, w...

journal_title：Molecular bioSystems

authors： Fujimoto Y,Shimoyama A,Saeki A,Kitayama N,Kasamatsu C,Tsutsui H,Fukase K

更新日期：2013-05-01 00:00:00

abstract：:The pro-inflammatory cytokines interleukin 1 (IL-1) and 6 (IL-6) are crucially involved in the regulation of a multitude of physiological processes, in particular coordinating the immune response upon bacterial infection and tissue injury. Both interleukins induce complex signalling cascades and trigger the production...

journal_title：Molecular bioSystems

authors： Ryll A,Samaga R,Schaper F,Alexopoulos LG,Klamt S

更新日期：2011-12-01 00:00:00

abstract：:Large combinatorial libraries of macrocyclic peptides are a useful source of bioactive compounds. However, peptides are not generally cell permeable, so there is great interest in the development of methods to create large libraries of modified peptides. In particular, N-alkylation of peptides is known to improve thei...

journal_title：Molecular bioSystems

authors： Morimoto J,Kodadek T

更新日期：2015-10-01 00:00:00

abstract：:Endogenous thymidylate synthases, isolated from tissues or cultured cells of the same specific origin, have been reported to show differing slow-binding inhibition patterns. These were reflected by biphasic or linear dependence of the inactivation rate on time and accompanied by differing inhibition parameters. Consid...

journal_title：Molecular bioSystems

authors： Ludwiczak J,Maj P,Wilk P,Frączyk T,Ruman T,Kierdaszuk B,Jarmuła A,Rode W

更新日期：2016-04-01 00:00:00

abstract：:The recognition and association between the Ca2+/calmodulin-activated protein kinase II-α (CaMKIIα) and the multi-PDZ domain protein 1 (MUPP1) plays an important role in the sperm acrosome reaction and human fertilization. Previously, we have demonstrated that the MUPP1 PDZ11 domain is the primary binding partner of t...

journal_title：Molecular bioSystems

authors： Zhang YL,Han ZF

更新日期：2017-09-26 00:00:00

abstract：:MiRNAs are a fascinating kind of biomolecule due to their vital functions in gene regulation and potential value as biomarkers for serious diseases including cancers. Exploiting convenient and sensitive methods for miRNA expression assays is imperative. In this study, we employ an exonuclease (RecJf) and a nicking end...

journal_title：Molecular bioSystems

authors： Xu J,Han K,Liu D,Lin L,Miao P

更新日期：2016-11-15 00:00:00

abstract：:To improve the performance of nanostructured calcium carbonate in gene delivery, a hydrophilic polysaccharide, alginate, was added to calcium carbonate co-precipitation systems to form alginate/CaCO(3)/DNA nanoparticles. The size and ζ-potential of the nanoparticles were measured by a zetasizer. Due to the existence o...

journal_title：Molecular bioSystems

authors： Zhao D,Zhuo RX,Cheng SX

更新日期：2012-03-01 00:00:00

abstract：:Drug promiscuity is one of the key issues in current drug development. Many famous drugs have turned out to behave unexpectedly due to their propensity to bind to multiple targets. One of the primary reasons for this promiscuity is that drugs bind to multiple distinctive target environments, a feature that we call mul...

journal_title：Molecular bioSystems

authors： Park K,Lee S,Ahn HS,Kim D

更新日期：2009-08-01 00:00:00

abstract：:Cyclic adenosine monophosphate and cyclic guanosine monophosphate are universal intracellular messengers whose concentrations are regulated by molecular networks comprised of different isoforms of the synthases adenylate cyclase or guanylate cyclase and the phosphodiesterases which degrade these compounds. In this pap...

journal_title：Molecular bioSystems

authors： Valeyev NV,Heslop-Harrison P,Postlethwaite I,Gizatullina AN,Kotov NV,Bates DG

更新日期：2009-01-01 00:00:00

abstract：:Recently, the development of Src/Abl (c-Src/Bcr-Abl tyrosine kinases) dual inhibitors has attracted considerable attention from the research community for treatment of malignancies. In order to explore the different structural features impacting the Src and Abl inhibitory activities of N(9)-arenethenyl purines and to ...

journal_title：Molecular bioSystems

authors： Ma S,Zeng G,Fang D,Wang J,Wu W,Xie W,Tan S,Zheng K

更新日期：2015-02-01 00:00:00

abstract：:G protein-coupled receptors (GPCRs) are key signaling proteins that regulate how cells interact with their environment. Traditional signaling cascades involving GPCRs have been well described and are well established and very important clinical targets. With the development of more recent technologies, hints about the...

journal_title：Molecular bioSystems

authors： Zhang X,Eggert US

更新日期：2013-04-05 00:00:00

abstract：:Proteomics is the study of proteins and their interactions within complex biological systems. While this field is often associated with mass spectrometry, it is more useful to consider proteomics in the context of an objective: to identify and understand the molecular basis of health and disease at the protein level i...

journal_title：Molecular bioSystems

authors： Bark SJ,Hook V

更新日期：2007-01-01 00:00:00

abstract：:With the advent of new cancer therapies in the last few years, the goals of reducing disease burden and improving quality of life are frequently achieved. Yet despite the advances seen with numerous monotherapies, a multimodality approach that targets different aspects of tumor biology may yield the greatest clinical ...

journal_title：Molecular bioSystems

authors： Kamrava M,Bernstein MB,Camphausen K,Hodge JW

更新日期：2009-11-01 00:00:00

abstract：:Conversion of the predominantly α-helical cellular prion protein (PrP(C)) to the misfolded β-sheet enriched Scrapie form (PrP(Sc)) is a critical event in prion pathogenesis. However, the conformational triggers that lead to the isoform conversion (PrP(C) to PrP(Sc)) remain obscure, and conjectures about the role of un...

journal_title：Molecular bioSystems

authors： Menon S,Sengupta N

更新日期：2015-05-01 00:00:00

abstract：:Deciphering functional interactions between proteins is one of the great challenges in biology. Sequence-based homology-free encoding schemes have been increasingly applied to develop promising protein-protein interaction (PPI) predictors by means of statistical or machine learning methods. Here we analyze the relatio...

journal_title：Molecular bioSystems

authors： Zhou Y,Zhou YS,He F,Song J,Zhang Z

更新日期：2012-04-01 00:00:00

abstract：:We employed high-temperature classical molecular dynamics (MD) simulations to investigate the unfolding process of the wild-type (WT) and F508del-NBD1 domains of CFTR protein, with and without second-site mutations. To rationalize the in vitro behavior of F508del-NBD1, namely its lower folding yield and higher aggrega...

journal_title：Molecular bioSystems

authors： Estácio SG,Martiniano HF,Faísca PF

更新日期：2016-08-16 00:00:00

abstract：:The use of Cyan Fluorescent Proteins, with a distinctive lifetime signature, opens up new alternatives to track and semi-quantify the relative expression of proteins in vivo using a single excitation source and emission channel. ...

journal_title：Molecular bioSystems

authors： Kim J,Kwon D,Lee J,Pasquier H,Grailhe R

更新日期：2009-02-01 00:00:00

abstract：:Complex signalling systems have evolved in multicellular organisms to enable cell-to-cell communication during growth and development. In plants, cell communication via the extracellular matrix (apoplast) controls many processes vital for plant survival. Secretion of ATP into the extracellular matrix is now recognised...

journal_title：Molecular bioSystems

authors： Chivasa S,Slabas AR

更新日期：2012-02-01 00:00:00

abstract：:Here we present a novel statistical methodology that allows us to analyze gene expression data that have been collected from a number of different cases or conditions in a unified framework. Using a Bayesian nonparametric framework we develop a hierarchical model wherein genes can maintain a shared set of interactions...

journal_title：Molecular bioSystems

authors： Thorne T,Fratta P,Hanna MG,Cortese A,Plagnol V,Fisher EM,Stumpf MP

更新日期：2013-07-01 00:00:00

abstract：:Protein tyrosine phosphatases are crucial regulators of signal transduction and function as antagonists towards protein tyrosine kinases to control reversible tyrosine phosphorylation, thereby regulating fundamental physiological processes. Growing evidence has supported the notion that reversible oxidative inactivati...

journal_title：Molecular bioSystems

authors： Garcia FJ,Carroll KS

更新日期：2016-05-24 00:00:00

abstract：:Protein phosphorylation is associated with most cell signaling and developmental processes in eukaryotes. Despite the vast extent of the phosphoproteome within the cell, connecting specific kinases with relevant targets remains a significant experimental frontier. The challenge of linking kinases and their substrates ...

journal_title：Molecular bioSystems

authors： Sopko R,Andrews BJ

更新日期：2008-09-01 00:00:00

abstract：:Information on extracellular signals and conditions is often transduced by biological systems using cascades of protein phosphorylation that affect the activity of enzymes, the localization of proteins and gene expression. A model to study signal transduction is the response of the yeast Saccharomyces cerevisiae to os...

journal_title：Molecular bioSystems

authors： Soufi B,Kelstrup CD,Stoehr G,Fröhlich F,Walther TC,Olsen JV

更新日期：2009-11-01 00:00:00

abstract：:In order to elucidate the effect of flexible linker length on the catalytic efficiency of fusion proteins, two short flexible peptide linkers of various lengths were fused between Arabidopsis thaliana 4-coumaroyl-CoA ligase (4CL) and Polygonum cuspidatum stilbene synthase (STS) to generate fusion proteins 4CL-(GSG)n-S...

journal_title：Molecular bioSystems

authors： Guo H,Yang Y,Xue F,Zhang H,Huang T,Liu W,Liu H,Zhang F,Yang M,Liu C,Lu H,Zhang Y,Ma L

更新日期：2017-02-28 00:00:00

abstract：:When exposed to low concentrations of toxic chemicals, bacteria modulate the expression of a number of cellular processes. Typically, these processes include those related to porin production, dismutases, and metabolic fluxes. In Escherichia coli (E. coli), the expression of these systems is largely controlled by thre...

journal_title：Molecular bioSystems

authors： Jain K,Saini S

更新日期：2016-05-24 00:00:00

abstract：:Normalization of high-throughput molecular expression profiles secures differential expression analysis between samples of different phenotypes or biological conditions, and facilitates comparison between experimental batches. While the same general principles apply to microRNA (miRNA) normalization, there is mounting...

journal_title：Molecular bioSystems

authors： Wang X,Gardiner EJ,Cairns MJ

更新日期：2015-05-01 00:00:00

abstract：:The knowledge available about the application and generation of induced pluripotent stem cells (iPSC) has grown since their discovery, and new techniques to enhance the reprogramming process have been described. Among the new approaches to induce iPSC that have gained great attention is the use of small molecules for ...

journal_title：Molecular bioSystems

authors： Feltes BC,Bonatto D

更新日期：2013-11-01 00:00:00

abstract：:Naphthalene, a polycyclic aromatic hydrocarbon, is a ubiquitous environmental pollutant capable of causing illness. In this study, we deconvoluted the metabolites related to naphthalene intervention in various organs by using nuclear magnetic resonance (NMR) and liquid chromatography-tandem mass spectrometry (LC-MS/MS...

journal_title：Molecular bioSystems

authors： Ling YS,Liang HJ,Chung MH,Lin MH,Lin CY

更新日期：2014-07-01 00:00:00

abstract：:Glycodendrimers, such as glycoclusters and glycopolymers, are known to be very useful molecules to probe carbohydrate-lectin interactions. Herein, new second generation glycopeptide dendrimers (G2a-f) presenting a L-lysine-based (Lys) tetraantennary scaffold, four external thiomannosyl residues and, in the case of com...

journal_title：Molecular bioSystems

authors： Euzen R,Reymond JL

更新日期：2011-02-01 00:00:00