Swaying is a mutant allele of the proto-oncogene Wnt-1.

abstract：:We describe a new repressible binary expression system based on the regulatory genes from the Neurospora qa gene cluster. This "Q system" offers attractive features for transgene expression in Drosophila and mammalian cells: low basal expression in the absence of the transcriptional activator QF, high QF-induced expre...

journal_title：Cell

authors： Potter CJ,Tasic B,Russler EV,Liang L,Luo L

更新日期：2010-04-30 00:00:00

abstract：:The human epsilon-globin gene has a number of alternative transcription-initiation sites located upstream of the canonical mRNA cap site. In three nonerythroid cell lines, "leaky" epsilon-globin transcription occurs exclusively from one of these upstream sites, the -200 cap site. Using a transient expression assay, we...

journal_title：Cell

authors： Allan M,Zhu JD,Montague P,Paul J

更新日期：1984-09-01 00:00:00

abstract：:Interactions between similar but not identical (homeologous) DNA sequences play an important biological role in the evolution of genes and genomes. To gain insight into the underlying molecular mechanism(s) of genetic recombination, we have studied inter- and intramolecular homeologous recombination in S. cerevisiae d...

journal_title：Cell

authors： Mézard C,Pompon D,Nicolas A

更新日期：1992-08-21 00:00:00

abstract：:The dynamic synapse is represented by the constant mobility and exchange of components at both the cell surface and at intracellular sites. This includes thermally powered Brownian diffusion movement, followed by reversible trapping through receptor-scaffold interactions and active transport of cargo vesicles through ...

journal_title：Cell

authors： Kneussel M,Triller A,Choquet D

更新日期：2014-06-19 00:00:00

abstract：:Frequent codirectional collisions between the replisome and RNA polymerase (RNAP) are inevitable because the rate of replication is much faster than that of transcription. Here we show that, in E. coli, the outcome of such collisions depends on the productive state of transcription elongation complexes (ECs). Codirect...

journal_title：Cell

authors： Dutta D,Shatalin K,Epshtein V,Gottesman ME,Nudler E

更新日期：2011-08-19 00:00:00

abstract：:Extraction of glycerinated chicken skeletal muscle with 0.6 M potassium iodide leaves a framework of insoluble components within each muscle fiber. This framework is composed primarily of planes of in-register Z discs that have been thickened by the accumulation of material on both sides of each disc during extraction...

journal_title：Cell

authors： Granger BL,Lazarides E

更新日期：1978-12-01 00:00:00

abstract：:The double-stranded RNA-activated protein kinase (PKR) was originally identified as a sensor of virus infection, but its function in the brain remains unknown. Here, we report that the lack of PKR enhances learning and memory in several behavioral tasks while increasing network excitability. In addition, loss of PKR i...

journal_title：Cell

authors： Zhu PJ,Huang W,Kalikulov D,Yoo JW,Placzek AN,Stoica L,Zhou H,Bell JC,Friedlander MJ,Krnjević K,Noebels JL,Costa-Mattioli M

更新日期：2011-12-09 00:00:00

abstract：:We studied H1 gene expression in hybrids of Xenopus laevis (female) x Xenopus borealis (male) and saw paternal H1 synthesis in mid-blastulae, which indicates that the H1 genes are active by this stage. The behavior of the maternal store of H1 histone mRNA was studied in androgenetic haploids. In which all stored mRNA ...

journal_title：Cell

authors： Woodland HR,Flynn JM,Wyllie AJ

更新日期：1979-09-01 00:00:00

abstract：:Recombinant DNA techniques have been used to isolate the integrated viral DNA, together with flanking cellular sequences, from three independently isolated lines of SV40-transformed BALB/c 3T3 cells. We have determined the structures of these cloned segments and their relationships to one another by restriction enzyme...

journal_title：Cell

authors： Clayton CE,Rigby PW

更新日期：1981-08-01 00:00:00

abstract：:Treating B16 mouse melanoma cells with monoclonal antibody NORM-2 reduces cell growth in tissue culture, agar, and syngeneic mice. We show that the NORM-2 antibody recognizes an integral 83 kd glycoprotein that is mobile in the plane of the plasma membrane of B16 melanoma cells. Expression of the glycoprotein is reduc...

journal_title：Cell

authors： Wieland I,Müller G,Braun S,Birchmeier W

更新日期：1986-12-05 00:00:00

abstract：:Some proteins are too big to fit into conventional COPII-coated vesicles, which raises the question of how large cargo, such as procollagen fibrils, are exported from the endoplasmic reticulum. Jin et al. (2012) in Nature now report that the creation of oversized vesicles is facilitated by the ubiquitination of the CO...

journal_title：Cell

authors： Malhotra V

更新日期：2012-03-30 00:00:00

abstract：:Cholera toxin is assembled from two subunits in the periplasm of Vibrio cholerae and disassembled in the analogous compartment of target cells, the lumen of the endoplasmic reticulum (ER), before a fragment of it, the A1 chain, is transported into the cytosol. We show that protein disulfide isomerase (PDI) in the ER l...

journal_title：Cell

authors： Tsai B,Rodighiero C,Lencer WI,Rapoport TA

更新日期：2001-03-23 00:00:00

abstract：:Salmonella enterica invasion of host cells requires the reversible activation of the Rho-family GTPases Cdc42 and Rac1 by the bacterially encoded GEF SopE and the GAP SptP, which exert their function at different times during infection and are delivered into host cells by a type III secretion system. We found that Sop...

journal_title：Cell

authors： Kubori T,Galán JE

更新日期：2003-10-31 00:00:00

abstract：:Repression of the yeast silent mating type loci requires cis-acting sequences located over 1 kb from the regulated promoters. One of these sites, a "silencer," exhibits enhancer-like distance- and orientation-independence. The silencer demonstrates both autonomous replication sequence (ARS) activity and a centromere-l...

journal_title：Cell

authors： Brand AH,Micklem G,Nasmyth K

更新日期：1987-12-04 00:00:00

abstract：:Replication of Escherichia coli plasmid p15A was examined by use of a cell extract or a mixture of three purified E. coli enzymes: RNA polymerase; RNAase H; and DNA polymerase I. In each system, replication initiates at any of three consecutive nucleotides located at a unique site. Primer transcription starts 508 bp u...

journal_title：Cell

authors： Selzer G,Som T,Itoh T,Tomizawa J

更新日期：1983-01-01 00:00:00

abstract：:The rate of in vivo transcription from the E. coli tRNA and rRNA promoters depends on both cellular growth rate and aminoacid availability. To investigate the molecular mechanisms involved we determined the extent of interaction of RNA polymerase with the promoter of the tyrT stable RNA gene. We show that the enzyme c...

journal_title：Cell

authors： Travers AA,Lamond AI,Mace HA,Berman ML

更新日期：1983-11-01 00:00:00

abstract：:A basic B-cell-specific protein of 35,000 daltons (XM1) is expressed at a high rate--comparable to actin--in resting splenic B lymphocytes of various species. Splenic or thymic T cells or fibroblasts do not express this protein. Upon polyclonal stimulation of B lymphocytes or in proliferating B-lymphocyte-derived cell...

journal_title：Cell

authors： Rahmsdorf HJ,Mallick U,Ponta H,Herrlich P

更新日期：1982-06-01 00:00:00

abstract：:The gut epithelium self-renews every several days, providing an important innate defense system that limits bacterial colonization. Nevertheless, many bacterial pathogens, including Shigella, efficiently colonize the intestinal epithelium. Here, we show that the Shigella effector IpaB, when delivered into epithelial c...

journal_title：Cell

authors： Iwai H,Kim M,Yoshikawa Y,Ashida H,Ogawa M,Fujita Y,Muller D,Kirikae T,Jackson PK,Kotani S,Sasakawa C

更新日期：2007-08-24 00:00:00

abstract：:Telomerase activity was demonstrated in cell-free extracts from S. cerevisiae through the use of a PCR-based assay. As expected, this activity was eliminated by RNase or phenol treatment of the extract and was dependent on dGTP and dTTP. Telomerase was not detected in extracts prepared from cells grown for approximate...

journal_title：Cell

authors： Lin JJ,Zakian VA

更新日期：1995-06-30 00:00:00

abstract：:Establishment and maintenance of the blood system relies on self-renewing hematopoietic stem cells (HSCs) that normally reside in small numbers in the bone marrow niche of adult mammals. This Review describes the developmental origins of HSCs and the molecular mechanisms that regulate lineage-specific differentiation....

journal_title：Cell

authors： Orkin SH,Zon LI

更新日期：2008-02-22 00:00:00

abstract：:The HIV auxiliary protein Vpr potently blocks the cell cycle at the G2/M transition. Here, we show that G2/M arrest results from untimely activation of the structure-specific endonuclease (SSE) regulator SLX4 complex (SLX4com) by Vpr, a process that requires VPRBP-DDB1-CUL4 E3-ligase complex. Direct interaction of Vpr...

journal_title：Cell

authors： Laguette N,Brégnard C,Hue P,Basbous J,Yatim A,Larroque M,Kirchhoff F,Constantinou A,Sobhian B,Benkirane M

更新日期：2014-01-16 00:00:00

abstract：:We have shown that the DNA sequences adjacent to the telomeres of Saccharomyces cerevisiae chromosomes are highly conserved and contain a high density of replication origins. The salient features of these telomeres can be summarized as follows. There are three moderately repetitive elements present at the telomeres: t...

journal_title：Cell

authors： Chan CS,Tye BK

更新日期：1983-06-01 00:00:00

abstract：:The thymus exports a selected subset of virgin T lymphocytes to the peripheral lymphoid organs. The mature phenotype of these thymus emigrants is similar to that of medullary thymocytes and has been cited as supporting a medullary rather than cortical exit site. Using the monoclonal antibody MEL-14, we identify a 1%-3...

journal_title：Cell

authors： Reichert RA,Gallatin WM,Butcher EC,Weissman IL

更新日期：1984-08-01 00:00:00

abstract：:Clinical benefits of cytokine blockade in ileal Crohn's disease (iCD) are limited to a subset of patients. Here, we applied single-cell technologies to iCD lesions to address whether cellular heterogeneity contributes to treatment resistance. We found that a subset of patients expressed a unique cellular module in inf...

journal_title：Cell

authors： Martin JC,Chang C,Boschetti G,Ungaro R,Giri M,Grout JA,Gettler K,Chuang LS,Nayar S,Greenstein AJ,Dubinsky M,Walker L,Leader A,Fine JS,Whitehurst CE,Mbow ML,Kugathasan S,Denson LA,Hyams JS,Friedman JR,Desai PT,Ko

更新日期：2019-09-05 00:00:00

abstract：:Nontransformed pre-B cells were induced to differentiate in vitro along several different but predictable pathways with only dendritic cells (DC) and concanavalin A-stimulated T lymphocytes. DC-T from spleen induced secretion of only IgM, whereas DC-T from Peyer's patches induced high levels of IgA and intermediate le...

journal_title：Cell

authors： Spalding DM,Griffin JA

更新日期：1986-02-14 00:00:00

abstract：:Understanding how potent neutralizing antibodies (NAbs) inhibit SARS-CoV-2 is critical for effective therapeutic development. We previously described BD-368-2, a SARS-CoV-2 NAb with high potency; however, its neutralization mechanism is largely unknown. Here, we report the 3.5-Å cryo-EM structure of BD-368-2/trimeric-...

journal_title：Cell

authors： Du S,Cao Y,Zhu Q,Yu P,Qi F,Wang G,Du X,Bao L,Deng W,Zhu H,Liu J,Nie J,Zheng Y,Liang H,Liu R,Gong S,Xu H,Yisimayi A,Lv Q,Wang B,He R,Han Y,Zhao W,Bai Y,Qu Y,Gao X,Ji C,Wang Q,Gao N,Huang W,Wang

更新日期：2020-11-12 00:00:00

abstract：:The cytosolic protein APAF1, human homolog of C. elegans CED-4, participates in the CASPASE 9 (CASP9)-dependent activation of CASP3 in the general apoptotic pathway. We have generated by gene trap a null allele of the murine Apaf1. Homozygous mutants die at embryonic day 16.5. Their phenotype includes severe craniofac...

journal_title：Cell

authors： Cecconi F,Alvarez-Bolado G,Meyer BI,Roth KA,Gruss P

更新日期：1998-09-18 00:00:00

abstract：:Balancing the capacity for protein maturation with changes in protein flux through the endoplasmic reticulum (ER) is crucial for maintaining ER homeostasis. In this issue, Merksamer et al. (2008) exploit a redox-sensitive fluorescent protein to monitor the environment inside the ER of living yeast, illuminating how th...

journal_title：Cell

authors： Kang SW,Hegde RS

更新日期：2008-11-28 00:00:00

abstract：:We have examined the long-range distribution of double-stranded DNA cleavage sites for Drosophila melanogaster topoisomerase II. These studies reveal a novel partitioning of preferred topoisomerase II cleavage sites. In the eukaryotic DNAs examined, major cleavage sites were typically found in nontranscribed spacer se...

journal_title：Cell

authors： Udvardy A,Schedl P,Sander M,Hsieh TS

更新日期：1985-04-01 00:00:00

abstract：:It has been puzzling that mammalian telomeric proteins, including TRF1, TRF2, tankyrase, and TIN2 have no recognized orthologs in budding yeast. Here, we describe a human protein, hRap1, that is an ortholog of the yeast telomeric protein, scRap1p. hRap1 has three conserved sequence motifs in common with scRap1, is loc...

journal_title：Cell

authors： Li B,Oestreich S,de Lange T

更新日期：2000-05-26 00:00:00