Viral transport and the cytoskeleton.

abstract：:Centromeres and telomeres are both composed of specific DNA sequences and unique chromosomal proteins. Isolation and characterization of some of these sequences and proteins has greatly increased our knowledge of centromere and telomere structure. This information is allowing us to determine how centromeres and telome...

journal_title：Current opinion in cell biology

authors： Price CM

更新日期：1992-06-01 00:00:00

abstract：:Apoptosis, or programmed cell death, plays an essential role in specific cell deletion during normal embryonic and adult development in vertebrate and invertebrate species. Recent evidence suggests that signal transduction pathways governing cellular proliferation and cell cycle progression also mediate the physiologi...

journal_title：Current opinion in cell biology

authors： Lee S,Christakos S,Small MB

更新日期：1993-04-01 00:00:00

abstract：:Hypoxia-inducible factor 1 (HIF-1) is an oxygen-regulated transcriptional activator that plays essential roles in mammalian development, physiology and disease pathogenesis. The HIF-1 alpha subunit is subjected to oxygen-dependent ubiquitination and proteasomal degradation that is mediated by the von Hippel-Lindau pro...

journal_title：Current opinion in cell biology

authors： Semenza GL

更新日期：2001-04-01 00:00:00

abstract：:The processes of dying are as tightly regulated as those of growth and proliferation, and together they establish a finely tuned balance that ensures proper organ size and function. Failure in the regulation of these responses lies at the heart of many human diseases. Certain members of the inhibitor of apoptosis (IAP...

journal_title：Current opinion in cell biology

authors： Lopez J,Meier P

更新日期：2010-12-01 00:00:00

abstract：:The study of eukaryotic telomeres at the molecular level began with the discovery of short, tandem repeats at Tetrahymena chromosome ends. In the following two decades, major insights about telomere structure and function have come from investigations of telomerase, the DNA polymerase that synthesizes these repeats. I...

journal_title：Current opinion in cell biology

authors： Collins K

更新日期：1996-06-01 00:00:00

abstract：:Protection from cancer and ensured longevity are tightly linked in mammals. One of the fundamental mechanisms contributing to both is the cellular response to DNA damage. The appropriate response is an initial attempt at repair, but if the damage is too extensive or compromises DNA metabolism, a signalling cascade tri...

journal_title：Current opinion in cell biology

authors： Mitchell JR,Hoeijmakers JH,Niedernhofer LJ

更新日期：2003-04-01 00:00:00

abstract：:The insulin receptor substrates function at the heart of the insulin signalling network. It has recently become apparent that the intracellular localisation of these molecules is regulated in a precise manner that is critical for both the generation and the termination of the insulin signal. Some insulin receptor subs...

journal_title：Current opinion in cell biology

authors： Whitehead JP,Clark SF,Urso B,James DE

更新日期：2000-04-01 00:00:00

abstract：:Telomeres, the natural termini of eukaryotic chromosomes, have been the subject of intense interest during the last decade because of the roles that these chromosome termini perform in both cancer and aging. As we become more cognizant of the consequences of telomere dysfunction on several aspects of human health, sig...

journal_title：Current opinion in cell biology

authors： Bertuch AA,Lundblad V

更新日期：2006-06-01 00:00:00

abstract：:Many receptors that sense the environment effect intracellular regulation through stimulation of heterotrimeric G proteins and the consequences thereof. While prominence was originally given to the alpha-subunits of G proteins as the pathway for downstream regulation, very active roles for the beta gamma-subunits have...

journal_title：Current opinion in cell biology

authors： Sternweis PC

更新日期：1994-04-01 00:00:00

abstract：:Analyses of the sequences and structures of many transport proteins that differ in substrate specificity, direction of transport and mechanism of transport suggest that they form a family of related proteins. Their sequence similarities imply a common mechanism of action. This hypothesis provides an objective basis fo...

journal_title：Current opinion in cell biology

authors： Griffith JK,Baker ME,Rouch DA,Page MG,Skurray RA,Paulsen IT,Chater KF,Baldwin SA,Henderson PJ

更新日期：1992-08-01 00:00:00

abstract：:How linear DNA molecules are packaged into compact cylindrical chromosomes in preparation for cell division has remained one of the central outstanding questions in cell biology. Condensin is a highly conserved protein complex that universally determines large-scale DNA geometry during mitotic chromosome assembly. A w...

journal_title：Current opinion in cell biology

authors： Takahashi M,Hirota T

更新日期：2019-10-01 00:00:00

abstract：:Mammalian cell biology is witnessing a new era in which cellular processes are explained through dynamic networks of interacting cellular components. In this fast-pacing field, where image-based RNAi screening is taking a central role, there is a strong need to improve ways to capture such interactions in space and ti...

journal_title：Current opinion in cell biology

authors： Sacher R,Stergiou L,Pelkmans L

更新日期：2008-08-01 00:00:00

abstract：:The SR (Ser-Arg) proteins are a family of nuclear factors that play multiple important roles in splicing of mRNA precursors in metazoan organisms, functioning in both constitutive and regulated splicing. Certain of these functions are redundant, such that any single SR proteins will suffice, but other functions are un...

journal_title：Current opinion in cell biology

authors： Tacke R,Manley JL

更新日期：1999-06-01 00:00:00

abstract：:Polarising a cell or an embryo is a crucial and recurrent event during development, as it is important for cell differentiation and migration. Cells can become polarised along their apical-basal axis and also within the plane of the tissue layer to which they belong. The embryo develops three axes: the anteroposterior...

journal_title：Current opinion in cell biology

authors： Wedlich D

更新日期：2002-10-01 00:00:00

abstract：:Proteins have been implicated in an expanding variety of functions during pre-mRNA splicing. Molecular cloning has identified genes encoding spliceosomal proteins that potentially act as novel RNA helicases, GTPases, or protein isomerases. Novel protein-protein and protein-RNA interactions that are required for functi...

journal_title：Current opinion in cell biology

authors： Will CL,Lührmann R

更新日期：1997-06-01 00:00:00

abstract：:Classical heterochromatin chromosomal landmarks, such as centromeres and telomeres, are characterized by specific chromatin signatures. Among these, the incorporation of histone variants has recently emerged as an important feature. Using the centromere as a paradigm, we consider the role of histone variant dynamics i...

journal_title：Current opinion in cell biology

authors： Boyarchuk E,Montes de Oca R,Almouzni G

更新日期：2011-06-01 00:00:00

abstract：:The process of fertilization is fundamental to the maintenance of life. The ability of unfertilized eggs and free-swimming sperm to recognize, adhere to, and fuse with each other are vital aspects of the fertilization process. Significant progress has been made recently in identifying and characterizing (glyco)protein...

journal_title：Current opinion in cell biology

authors： Wassarman PM

更新日期：1995-10-01 00:00:00

abstract：:Studies of yeast transcription factors have contributed greatly to understanding basic molecular mechanisms of eukaryotic gene regulation, largely due to powerful genetic approaches that are unavailable in other organisms. The broad outlines of these mechanisms are fairly well understood, and there is an increasing nu...

journal_title：Current opinion in cell biology

authors： Struhl K

更新日期：1993-06-01 00:00:00

abstract：:Centrioles are essential microtubule-based organelles, typically present in pairs, which organize cilia and centrosomes. Their mode of biogenesis is unique for a subcellular organelle since, during cell division, each pre-existing centriole guides the formation of a new one, a process that is coordinated with DNA repl...

journal_title：Current opinion in cell biology

authors： Meunier A,Spassky N

更新日期：2016-02-01 00:00:00

abstract：:Recent advances in our understanding of transcription factors that regulate RNA polymerase II transcribed genes are described. This review considers the role of alternate protein-protein interactions to yield positive or negative regulation, the consequences of deregulated factor activity on cell function and approach...

journal_title：Current opinion in cell biology

authors： Morimoto RI

更新日期：1992-06-01 00:00:00

abstract：:Despite some recent setbacks, it remains clear that adult stem cells under appropriate experimental conditions can at some frequency exhibit a wider range of differentiation potentials than previously appreciated. This is underscored by the recent demonstration of the extensive differentiation potential of mesenchymal...

journal_title：Current opinion in cell biology

authors： Joshi CV,Enver T

更新日期：2002-12-01 00:00:00

abstract：:In vitro experiments led to a simple model in which basal transcription factors sequentially assembled with RNA Polymerase II to generate a preinitiation complex (PIC). Emerging evidence indicates that PIC composition is not universal, but promoter-dependent. Active promoters are occupied by a mixed population of comp...

journal_title：Current opinion in cell biology

authors： Sikorski TW,Buratowski S

更新日期：2009-06-01 00:00:00

abstract：:Cellular plasticity is now recognized as a fundamental feature of tissue biology. The steady-state differentiation of stem and progenitor cells into mature cells is, in itself, the index form of cellular plasticity in adult organisms. Following injury, when it is critical to quickly regenerate and restore tissue integ...

journal_title：Current opinion in cell biology

authors： Paksa A,Rajagopal J

更新日期：2017-12-01 00:00:00

abstract：:Chaperones are centrally involved in the control of protein structure, function, localization and transport. A flurry of scientific activity continues to examine the molecular nature of chaperone-substrate recognition and the role of auxiliary chaperones (cohort proteins) and small molecules that expedite these proces...

journal_title：Current opinion in cell biology

authors： Kelley WL,Georgopoulos C

更新日期：1992-12-01 00:00:00

abstract：:Protein splicing is a series of enzymatic events involving intramolecular protein breakage, rejoining and intron homing, in which introns are able to promote the recombinative transposition of their own coding sequences. Eukaryotic and prokaryotic spliced proteins have conserved similar gene structure, but little amin...

journal_title：Current opinion in cell biology

authors： Neff NF

更新日期：1993-12-01 00:00:00

abstract：:Inter-organelle membrane contact sites are zones where heterologous membranes, usually the endoplasmic reticulum plus a partner organelle, come into close apposition. These sites are very poorly understood because so few of their components have been identified; however, it is clear that they are specialised for traff...

journal_title：Current opinion in cell biology

authors： Levine T,Loewen C

更新日期：2006-08-01 00:00:00

abstract：:The rate at which receptors have been cloned has recently increased dramatically--existing families have been extended and new families created. The rapid cloning by homology of 'orphan receptors' has also stimulated the development of a new reverse pharmacology. ...

journal_title：Current opinion in cell biology

authors： Libert F,Vassart G,Parmentier M

更新日期：1991-04-01 00:00:00

abstract：:The septins are a novel family of proteins that were first recognized in yeast as proteins associated with the neck filaments. Recent work has shown that septins are also present in other fungi, insects, and vertebrates. Despite the apparent differences in modes of cytokinesis amongst species, septins appear to be ess...

journal_title：Current opinion in cell biology

authors： Longtine MS,DeMarini DJ,Valencik ML,Al-Awar OS,Fares H,De Virgilio C,Pringle JR

更新日期：1996-02-01 00:00:00

abstract：:The nucleoskeleton is composed of many interacting structural proteins that provide the framework for DNA replication, transcription and a variety of other nuclear functions. For example, the type-V intermediate filament proteins, the lamins, and their associated proteins (e.g. Lap2alpha) play important roles in DNA r...

journal_title：Current opinion in cell biology

authors： Shumaker DK,Kuczmarski ER,Goldman RD

更新日期：2003-06-01 00:00:00

abstract：:Misfolded and mistargeted proteins in the early secretory pathway present significant risks to the cell. A diverse and integrated network of quality control pathways protects the cell from these threats. We focus on the discovery of new mechanisms that contribute to this protective network. Biochemical and structural ...

journal_title：Current opinion in cell biology

authors： Phillips BP,Gomez-Navarro N,Miller EA

更新日期：2020-08-01 00:00:00