Hepatitis C virus ultrastructure and morphogenesis.

abstract：BACKGROUND INFORMATION:Meningothelial cells (MECs) are the cellular components of the meninges protecting the brain and as such provide important barrier function for the central nervous system building the interface between neuronal tissue and the cerebrospinal fluid (CSF). MECs were previously shown to be involved in...

journal_title：Biology of the cell

authors： Li J,Fang L,Killer HE,Flammer J,Meyer P,Neutzner A

更新日期：2013-07-01 00:00:00

abstract：:In eukaryotes transcription and translation takes place in two different compartments separated by the nuclear envelope. Nuclear translation has been reported in several publications, however, all these published results have been criticized, particularly with respect to cytoplasmic contamination of the nuclei. We hav...

journal_title：Biology of the cell

authors： Cosson B,Philippe M

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND INFORMATION:Substantial evidence indicates the existence of NCSCs (neural crest-derived stem cells) in embryonic mandibular processes; however, they have not been fully investigated or isolated. The aim of the present study was to isolate stem cells from mandibular process during embryonic development by MAC...

journal_title：Biology of the cell

authors： Zhang J,Duan X,Zhang H,Deng Z,Zhou Z,Wen N,Smith AJ,Zhao W,Jin Y

更新日期：2006-10-01 00:00:00

abstract：:Netrins are secreted proteins that play a crucial role in neuronal migration and in axon guidance during the development of the nervous system. Netrin-1 has been shown to interact with the transmembrane receptors DCC and UNC5H and these receptors appeared of key importance in mediating the chemotropic activity of netr...

journal_title：Biology of the cell

authors： Mehlen P,Mazelin L

更新日期：2003-10-01 00:00:00

abstract：:The micromeres, the first cells to be specified in sea urchin embryos, are generated by unequal cleavage at the fourth cell division. The micromeres differentiate autonomously to form spicules and dispatch signals to induce endomesoderm in the neighbouring macromeres cells in the embryo. Using a calcium indicator Fura...

journal_title：Biology of the cell

authors： Yazaki I,Abe M,Santella L,Koyama Y

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND INFORMATION:AQP10 (aquaporin 10) is a new member of water channels and two different transcripts have been reported. The difference between these transcripts is in the presence or the absence of an insertion of 475 nt, which leads to a translation frame shift resulting in a different termination of amino aci...

journal_title：Biology of the cell

authors： Li H,Kamiie J,Morishita Y,Yoshida Y,Yaoita E,Ishibashi K,Yamamoto T

更新日期：2005-11-01 00:00:00

abstract：BACKGROUND INFORMATION:Epithelial cadherin (E-cadherin) is involved in cell-cell adhesion through its extracellular domain, whereas the intracellular domain interacts with adaptor proteins, i.e. β-catenin, links E-cadherin to the actin cytoskeleton and participates in signal transduction events. E-cadherin protects mam...

journal_title：Biology of the cell

authors： Rosso M,Lapyckyj L,Amiano N,Besso MJ,Sánchez M,Chuluyan E,Vazquez-Levin MH

更新日期：2014-09-01 00:00:00

abstract：:In mature ciliated cells, the basal feet associated to the basal bodies point out in the direction of the effective stroke of the ciliary beating. In contrast, during ciliogenesis, the basal feet of the newly anchored basal bodies are randomly oriented. The reorientation of basal bodies occurs during the beginning of ...

journal_title：Biology of the cell

authors： Boisvieux-Ulrich E,Laine MC,Sandoz D

更新日期：1985-01-01 00:00:00

abstract：:Fetal calf serum and a serum substitute, Ultroser G, were compared for their effects on the growth curves, clonal growth and cell cycle progression of rabbit chondrocytes in primary culture and during at least three cell passages and included a screen for the maintenance of cartilage-like differentiation i.e. the pres...

journal_title：Biology of the cell

authors： Ronot X,Sene C,Boschetti E,Hartmann DJ,Adolphe M

更新日期：1984-01-01 00:00:00

abstract：:ERM (ezrin/radixin/moesin) proteins, concentrated in actin rich cell-surface structures, cross-link actin filaments with the plasma membrane. They are involved in the formation of microvilli, cell-cell adhesion, maintenance of cell shape, cell motility and membrane trafficking. Recent analyses reveal that they are not...

journal_title：Biology of the cell

authors： Louvet-Vallée S

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND INFORMATION:The assembly and maintenance of cilia depend on IFT (intraflagellar transport) mediated by molecular motors and their interplay with IFT proteins. Here, we have analysed the involvement of IFT proteins in the ciliogenesis of mammalian photoreceptor cilia. RESULTS:Electron microscopy revealed tha...

journal_title：Biology of the cell

authors： Sedmak T,Wolfrum U

更新日期：2011-10-01 00:00:00

abstract：:Cilia from quail oviduct were isolated with their membrane. The ultrastructural study revealed a good preservation of cilia in the purified fraction. Electrophoresis on SDS-PAGE showed a reproducible pattern of ciliary proteins, the major bands being those of tubulins 57 kDa and dyneins above 250 kDa. Among the minor ...

journal_title：Biology of the cell

authors： Chailley B,Bork K,Gounon P,Sandoz D

更新日期：1986-01-01 00:00:00

abstract：:The plasma membrane components of the parasitic protozoan Entamoeba histolytica, the causative agent of human invasive amebiasis, have been biochemically and immunologically characterized during the last decade. In addition, genes coding for certain surface proteins have been cloned. In spite of these advances, a unif...

journal_title：Biology of the cell

authors： Espinosa-Cantellano M,Martínez-Palomo A

更新日期：1991-01-01 00:00:00

abstract：:Immunofluorescent techniques have been used in the analysis of DNA-RNA hybrids occurrence and its relationship to transcriptional events on polytene chromosomes of Drosophila subobscura. We have studied the distribution of these hybrids on uninduced/induced chromosomes. Two different indirect immunofluorescence method...

journal_title：Biology of the cell

authors： Arbona M,Cuenca JB,de Frutos R

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND INFORMATION:The endometrial epithelial cell membrane is a key interface in female reproductive biology. Steroid hormones play a predominant role in cyclic changes which occur at this interface during the female menstrual cycle. Specific changes in the morphology of the endometrial epithelial cell surface bec...

journal_title：Biology of the cell

authors： Francis LW,Lewis PD,Gonzalez D,Ryder TA,Webb G,Joels LA,White JO,Wright CJ,Conlan RS

更新日期：2009-06-04 00:00:00

abstract：BACKGROUND INFORMATION:The costa is a prominent striated fibre that is found in protozoa of the Trichomonadidae family that present an undulating membrane. It is composed primarily of proteins that have not yet been explored. In this study, we used cell fractionation to obtain a highly enriched costa fraction whose str...

journal_title：Biology of the cell

authors： de Andrade Rosa I,Caruso MB,de Oliveira Santos E,Gonzaga L,Zingali RB,de Vasconcelos ATR,de Souza W,Benchimol M

更新日期：2017-06-01 00:00:00

abstract：:The dynamics of change in mitochondria-rich (MR) cells density in the skin epithelium of Bufo viridis was studied on skin biopsies taken in vivo, throughout experimental periods lasting up to 3 months. When the bathing solution contained Cl-, MR cells' density (Dmrc) greatly decreased. There was one exception, when th...

journal_title：Biology of the cell

authors： Katz U,Gabby S

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND INFORMATION:Claudin-1 (CLDN1) is a four-span transmembrane protein localised at cell-cell tight junctions (TJs), playing an important role in epithelial impermeability and tissue homoeostasis under physiological conditions. Moreover, CLDN1 expression is up-regulated in several cancers, and the level of CLDN1...

journal_title：Biology of the cell

authors： Clément CMH,Deffieu MS,Dorobantu CM,Baumert TF,Ayala-Nunez NV,Mély Y,Ronde P,Gaudin R

更新日期：2020-05-01 00:00:00

abstract：:We studied the behaviour in interphase and mitotic human cells of a 125 kDa (pI 6.5) antigen, associated with the nuclear matrix and detected in proliferating cells. Indirect immunofluorescence with a specific monoclonal antibody reveals that during interphase in WISH and Namalwa cells, as well as phytohaemagglutinin-...

journal_title：Biology of the cell

authors： Todorov IT,Philipova PN,Zhelev NZ,Hadjiolov AA

更新日期：1988-01-01 00:00:00

abstract：:The dermis of the frog skin (Rana esculenta) displayed a remarkable organization of vertical and horizontal tracts. Vertical thick tracts connected the dermal Stratum spongiosum with the subcutaneous tissue. Horizontal thin tracts were found alongside and contiguous to them. The thick tracts were sheathed by collagen ...

journal_title：Biology of the cell

authors： Denèfle JP,Zhu QL,Lechaire JP

更新日期：1987-01-01 00:00:00

abstract：:The interaction of cells with extracellular matrix components contributes to their specific differentiation. We studied hepatic peroxisomes and their changing features during embryonic development, and we immunolocalized in the same tissue the extracellular matrix components laminin and collagen IV as well as the inte...

journal_title：Biology of the cell

authors： Depreter M,Nardacci R,Tytgat T,Espeel M,Stefanini S,Roels F

更新日期：1998-12-01 00:00:00

abstract：BACKGROUND INFORMATION:ROS (reactive oxygen species) as well as components of the antioxidant redox systems may act as signals. To link acute environmental change with gene expression, changes in ROS and GSH/GSSG (reduced/oxidized glutathione) level were measured upon acute changes in temperature or oxygen availability...

journal_title：Biology of the cell

authors： Becker D,Brinkmann BF,Zeis B,Paul RJ

更新日期：2011-08-01 00:00:00

abstract：:Alpha 2-macroglobulin (alpha 2M) is a plasma inhibitor of proteinases, the steric mechanism of which is based on a considerable conformational change. The typical and distinct H-like shape of alpha 2M-chymotrypsin (alpha 2M-chy) complexes seen by electron microscopy led us to an ultrastructural study of the binding of...

journal_title：Biology of the cell

authors： Boisset N,Taveau JC,Barray M,Van Leuven F,Delain E,Lamy JN

更新日期：1988-01-01 00:00:00

abstract：:During a historical research, we realized that René Couteaux (1909-1999) was the first histologist who stained the postsynaptic structure of the neuromuscular junction. By means of Janus Green B dye, he revealed the membranous 'subneural apparatus' related to the 'synaptic gutter'. Hence, he justified the use of the p...

journal_title：Biology of the cell

authors： Tsuji S

更新日期：2006-08-01 00:00:00

abstract：:An interaction between human poly(A)-binding protein (PABP) et human eRF3 has been demonstrated using a double-hybrid approach and in vitro assays. Here, we show that the binding of both proteins is conserved through evolution. We also demonstrate that the last 39 C-terminal amino acids of PABP contain the interface t...

journal_title：Biology of the cell

authors： Cosson B,Berkova N,Couturier A,Chabelskaya S,Philippe M,Zhouravleva G

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND INFORMATION:The role of the LIM-domain-containing protein Ajuba was initially described in cell adhesion and migration processes and recently in mitosis as an activator of the Aurora A kinase. RESULTS:In the present study, we show that Ajuba localizes to centrosomes and kinetochores during mitosis. This loc...

journal_title：Biology of the cell

authors： Ferrand A,Chevrier V,Chauvin JP,Birnbaum D

更新日期：2009-04-01 00:00:00

abstract：:Detection of nucleic acid sequence at the ultrastructural level has allowed us to better understand the expression of genes in some fields of application in cell biology. In situ hybridization at the ultrastructural level can be carried out using three different methods: on vibratome sections before embedding in epoxy...

journal_title：Biology of the cell

authors： Le Guellec D

更新日期：1998-07-01 00:00:00

abstract：:Background information. In vitro-cultured microspores, after an appropriate stress treatment, can switch towards an embryogenic pathway. This process, known as microspore embryogenesis, is an important tool in plant breeding. Basic studies on this process in economically interesting crops, especially in recalcitrant p...

journal_title：Biology of the cell

authors： Bárány I,González-Melendi P,Fadón B,Mitykó J,Risueño MC,Testillano PS

更新日期：2005-09-01 00:00:00

abstract：:In cold-stressed oocytes of Pleurodeles waltl, lampbrush chromosome lateral loops exhibited important structural modifications which were visualized under light microscopy. Electron microscopy study revealed that the RNP particles associated with growing transcripts in the matrix of these loops were 15 nm at 8 degrees...

journal_title：Biology of the cell

authors： N'Da E,Bonnanfant-Jais ML,Moreau N,Angelier N

更新日期：1990-01-01 00:00:00

abstract：:RNA helicases of the DEAD-box and related families have been found to be required for all processes involving RNA molecules. Biochemical and genetic analyses have shown that at least two RNA helicases are required for translation initiation in yeast. Although it is generally believed that these enzymes are necessary t...

journal_title：Biology of the cell

authors： Linder P

更新日期：2003-05-01 00:00:00