Isolation and characterization of sigma(70)-retaining transcription elongation complexes from Escherichia coli.

abstract：:The mouse kreisler (kr) mutation causes segmentation abnormalities in the caudal hindbrain and defective inner ear development. Based on an inversion discovered in the original kr allele, we selected a candidate cDNA highly expressed in the developing caudal hindbrain. This cDNA encodes a basic domain-leucine zipper (...

journal_title：Cell

authors： Cordes SP,Barsh GS

更新日期：1994-12-16 00:00:00

abstract：:The Clock mutation lengthens periodicity and reduces amplitude of circadian rhythms in mice. The effects of Clock are cell intrinsic and can be observed at the level of single neurons in the suprachiasmatic nucleus. To address how cells of contrasting genotype functionally interact in vivo to control circadian behavio...

journal_title：Cell

authors： Low-Zeddies SS,Takahashi JS

更新日期：2001-04-06 00:00:00

abstract：:The p53 tumor suppressor gene is commonly altered in human tumors, predominantly through missense mutations that result in accumulation of mutant p53 protein. These mutations may confer dominant-negative or gain-of-function properties to p53. To ascertain the physiological effects of p53 point mutation, the structural...

journal_title：Cell

authors： Olive KP,Tuveson DA,Ruhe ZC,Yin B,Willis NA,Bronson RT,Crowley D,Jacks T

更新日期：2004-12-17 00:00:00

abstract：:In S. cerevisiae, mitochondrial DNA (mtDNA) molecules, in spite of their high copy number, segregate as if there were a small number of heritable units. The rapid segregation of mitochondrial genomes can be analyzed using mtDNA deletion variants. These small, amplified genomes segregate preferentially from mixed zygot...

journal_title：Cell

authors： Lockshon D,Zweifel SG,Freeman-Cook LL,Lorimer HE,Brewer BJ,Fangman WL

更新日期：1995-06-16 00:00:00

abstract：:We can maximize the impact of scientific conferences by uploading all conference presentations, posters, and abstracts to highly trafficked public repositories for each content type. Talks can be hosted on sites like YouTube and Youku, posters can be published on Figshare, and papers and abstracts can become open acce...

journal_title：Cell

authors： Morrison M,Merlo K,Woessner Z

更新日期：2020-09-03 00:00:00

abstract：:The quest to slow aging has come far, and what used to be the domain of science fiction writers and snake oil salesmen may soon become science fact. Innovative new approaches, such as the use of the very short-lived African killifish (Harel et al.), are bridging the translational gap and bring the promise of healthy l...

journal_title：Cell

authors： Wang AM,Promislow DEL,Kaeberlein M

更新日期：2015-02-26 00:00:00

abstract：:The pattern of histone modifications, called the histone code, influences transitions between chromatin states and the regulation of transcriptional activity. Four recent papers describe how plant homeodomain (PHD) finger proteins read part of this code. The PHD finger may promote both gene expression and repression t...

journal_title：Cell

authors： Mellor J

更新日期：2006-07-14 00:00:00

abstract：:We have reconstituted the fusion and assembly of vesiculated Golgi membranes (VGMs) into functionally active stacks of cisternae. A kinetic analysis of this assembly process revealed that highly dispersed VGMs of 60-90 nm diameter first fuse to form larger vesicles of 200-300 nm diameter that are clustered together. T...

journal_title：Cell

authors： Acharya U,Jacobs R,Peters JM,Watson N,Farquhar MG,Malhotra V

更新日期：1995-09-22 00:00:00

abstract：:RNA-guided Cas9 endonucleases protect bacteria from viral infection and have been creatively repurposed as programmable molecular scalpels for surgical manipulation of DNA. Now, two papers in Cell (Pawluk et al. and Rauch et al.) identify viral proteins that suppress Cas9 and may function like molecular sheaths for th...

journal_title：Cell

authors： Carter J,Hoffman C,Wiedenheft B

更新日期：2017-01-12 00:00:00

abstract：:Nine transcripts complementary to mouse L cell mitochondrial DNA have been detected, sized and mapped to restriction fragments using the method of Berk and Sharp (1977). RNA isolated from L cell mitochondria was hybridized to 32P-labeled, cloned L cell mitochondrial DNA restriction fragments in 70% formamide under con...

journal_title：Cell

authors： Battey J,Clayton DA

更新日期：1978-05-01 00:00:00

abstract：:The mitochondrial MURF4 gene of T. brucei has pronounced G versus C strand bias and heterogeneously sized transcripts, characteristic of genes encoding extensively edited transcripts. We find that MURF4 transcripts of T. brucei are extensively edited throughout by the addition and deletion of numerous uridines, creati...

journal_title：Cell

authors： Bhat GJ,Koslowsky DJ,Feagin JE,Smiley BL,Stuart K

更新日期：1990-06-01 00:00:00

abstract：:The 5' terminal structure of the mRNA synthesized in vitro by the virion-associated RNA polymerase of vesicular stomatitis virus in the presence of S-adenosyl-L-methione consists of 7-methyl guanosine linked to 2'-O-methyl adenosine through a 5'-5' pyrophosphate bond as m7G(5')ppp(5')A-m-p ... The alpha and beta phosp...

journal_title：Cell

authors： Abraham G,Rhodes DP,Banerjee AK

更新日期：1975-05-01 00:00:00

abstract：:What happens to organelles during mitosis, and how they are apportioned to each of the daughter cells, is not completely clear. We have devised a procedure to address whether Golgi membranes fuse with the Endoplasmic Reticulum (ER) during mitosis via the detection of interactions between ER and Golgi proteins. This pr...

journal_title：Cell

authors： Pecot MY,Malhotra V

更新日期：2004-01-09 00:00:00

abstract：:Hybrids between mouse hepatoma cells (which secrete several serum proteins) and mouse or rat fibroblasts (which do not secrete these proteins) produce transferrin and the third component of complement (C3) like the parental hepatoma cells, while they do not secrete either albumin or alpha-fetoprotein (AFP). This lack ...

journal_title：Cell

authors： Szpirer J,Szpirer C

更新日期：1975-09-01 00:00:00

abstract：:The alpha IIb beta 3 integrin binds Arg-Gly-Asp-containing (RGD-containing) ligands in a cation-dependent interaction. A fourteen amino acid sequence, beta 3 (118-131), and an antibody to it, inhibited ligand binding functions of alpha IIb beta 3, and a 1:1 stoichiometric beta 3 (118-131)-RGD complex was detected by m...

journal_title：Cell

authors： D'Souza SE,Haas TA,Piotrowicz RS,Byers-Ward V,McGrath DE,Soule HR,Cierniewski C,Plow EF,Smith JW

更新日期：1994-11-18 00:00:00

abstract：:We are studying mice that carry a targeted disruption of the gene encoding insulin-like growth factor II (IGF-II). Transmission of this mutation through the male germline results in heterozygous progeny that are growth deficient. In contrast, when the disrupted gene is transmitted maternally, the heterozygous offsprin...

journal_title：Cell

authors： DeChiara TM,Robertson EJ,Efstratiadis A

更新日期：1991-02-22 00:00:00

abstract：:Sleep is characterized by behavioral quiescence, homeostasis, increased arousal threshold, and rapid reversibility. Understanding how these properties are encoded by a neuronal circuit has been difficult, and no single molecular or neuronal pathway has been shown to be responsible for the regulation of sleep. Taking a...

journal_title：Cell

authors： Cho JY,Sternberg PW

更新日期：2014-01-16 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：:In this issue, Wilson et al. (2008) demonstrate that there are two functional subsets of hematopoietic stem cells that have distinctive kinetics of cell cycling. They present evidence that cells may transition between the two kinetic states, establishing one subpopulation that is ready to proliferate and another that ...

journal_title：Cell

authors： Raaijmakers MH,Scadden DT

更新日期：2008-12-12 00:00:00

abstract：:In dividing cells, nuclear pore complexes (NPCs) disassemble during mitosis and reassemble into the newly forming nuclei. However, the fate of nuclear pores in postmitotic cells is unknown. Here, we show that NPCs, unlike other nuclear structures, do not turn over in differentiated cells. While a subset of NPC compone...

journal_title：Cell

authors： D'Angelo MA,Raices M,Panowski SH,Hetzer MW

更新日期：2009-01-23 00:00:00

abstract：:Membrane scission is essential for intracellular trafficking. While BAR domain proteins such as endophilin have been reported in dynamin-independent scission of tubular membrane necks, the cutting mechanism has yet to be deciphered. Here, we combine a theoretical model, in vitro, and in vivo experiments revealing how ...

journal_title：Cell

authors： Simunovic M,Manneville JB,Renard HF,Evergren E,Raghunathan K,Bhatia D,Kenworthy AK,Voth GA,Prost J,McMahon HT,Johannes L,Bassereau P,Callan-Jones A

更新日期：2017-06-29 00:00:00

abstract：:An agent that blocks tumor angiogenesis, growth, and metastasis without affecting normal tissues -- whether used alone or in combination with currently approved drugs -- would change the way we treat cancer. In this issue, Fischer et al. (2007) offer compelling evidence that a monoclonal antibody against placental gro...

journal_title：Cell

authors： Jain RK,Xu L

更新日期：2007-11-02 00:00:00

abstract：:A recombinant peptide encoding the CD11b A domain bound 54Mn2+ with a high affinity. Other divalent cations, including Mg2+, Zn2+, Ni2+, Co2+, and Cd2+, but not Ca2+ or Ba2+, competed effectively for Mn2+ binding. Amino acid substitutions within two conserved and noncontiguous regions in the recombinant peptide abolis...

journal_title：Cell

authors： Michishita M,Videm V,Arnaout MA

更新日期：1993-03-26 00:00:00

abstract：:Protein-tyrosine phosphatases (PTPs), along with protein-tyrosine kinases, play key roles in cellular signaling. All Class I PTPs contain an essential active site cysteinyl residue, which executes a nucleophilic attack on substrate phosphotyrosyl residues. The high reactivity of the catalytic cysteine also predisposes...

journal_title：Cell

authors： Karisch R,Fernandez M,Taylor P,Virtanen C,St-Germain JR,Jin LL,Harris IS,Mori J,Mak TW,Senis YA,Östman A,Moran MF,Neel BG

更新日期：2011-09-02 00:00:00

abstract：:Computational modeling and the theory of nonlinear dynamical systems allow one to not simply describe the events of the cell cycle, but also to understand why these events occur, just as the theory of gravitation allows one to understand why cannonballs fly in parabolic arcs. The simplest examples of the eukaryotic ce...

journal_title：Cell

authors： Ferrell JE Jr,Tsai TY,Yang Q

更新日期：2011-03-18 00:00:00

abstract：:The tumor suppressor gene p53 regulates multiple cellular responses to DNA damage, but the transcriptional targets that specify these responses are incompletely understood. We describe a Drosophila p53 homolog and demonstrate that it can activate transcription from a promoter containing binding sites for human p53. Do...

journal_title：Cell

authors： Brodsky MH,Nordstrom W,Tsang G,Kwan E,Rubin GM,Abrams JM

更新日期：2000-03-31 00:00:00

abstract：:A second and minor DNA component containing 5s RNA genes has been purified from the genomic DNA of Xenopus laevis (XIt 5S DNA). Some of its physical and chemical characteristics are described. It contains a 5S RNA gene sequence which has some oocyte and some somatic-specific residues, as well as nucleotides which diff...

journal_title：Cell

authors： Brown DD,Carrol D,Brown RD

更新日期：1977-12-01 00:00:00

abstract：:In 1981, the acquired immunodeficiency syndrome (AIDS) appeared insidiously and mystified doctors and scientists alike. No one could have predicted then that it would become, arguably, the worst plague in human history. Today, 33 million persons are living with infection by the human immunodeficiency virus type 1 (HIV...

journal_title：Cell

authors： Ho DD,Bieniasz PD

更新日期：2008-05-16 00:00:00

abstract：:Kit/SCF signaling and Mitf-dependent transcription are both essential for melanocyte development and pigmentation. To identify Mitf-dependent Kit transcriptional targets in primary melanocytes, microarray studies were undertaken. Among identified targets was BCL2, whose germline deletion produces melanocyte loss and w...

journal_title：Cell

authors： McGill GG,Horstmann M,Widlund HR,Du J,Motyckova G,Nishimura EK,Lin YL,Ramaswamy S,Avery W,Ding HF,Jordan SA,Jackson IJ,Korsmeyer SJ,Golub TR,Fisher DE

更新日期：2002-06-14 00:00:00

abstract：:Radioactive alpha factor is degraded to discrete biologically inactive fragments by the target a cells of S. cerevisiae, but not by alpha cells which make the pheromone. The pattern of cleavage products and sequence analysis of one fragment indicated that the first scission occurred between leucine 6 and lysine 7. The...

journal_title：Cell

authors： Ciejek E,Thorner J

更新日期：1979-11-01 00:00:00