Ligand-activated thyroid hormone and retinoic acid receptors inhibit growth factor receptor promoter expression.

abstract：:Epigenetics has recently evolved from a collection of diverse phenomena to a defined and far-reaching field of study. In this Essay, we examine the epistemology of epigenetics, provide a brief overview of underlying molecular mechanisms, and suggest future challenges for the field. ...

journal_title：Cell

authors： Goldberg AD,Allis CD,Bernstein E

更新日期：2007-02-23 00:00:00

abstract：:Transfer RNA (tRNA) gene content is a differentiating feature of genomes that contributes to the efficiency of the translational apparatus, but the principles shaping tRNA gene copy number and codon composition are poorly understood. Here, we report that the emergence of two specific tRNA modifications shaped the stru...

journal_title：Cell

authors： Novoa EM,Pavon-Eternod M,Pan T,Ribas de Pouplana L

更新日期：2012-03-30 00:00:00

abstract：:Signaling proteins from the same family can have markedly different roles in a given cellular context. Here, we show that expression of one hundred constitutively active human small GTPases induced cell morphologies that fell into nine distinct classes. We developed an algorithm for pairs of classes that predicted ami...

journal_title：Cell

authors： Heo WD,Meyer T

更新日期：2003-05-02 00:00:00

abstract：:Using a combination of classical genetics, serology, and molecular genetics, we have mapped as many as possible of the MHC components in t haplotypes. Results indicate that the whole MHC is included in a simple inversion with the relative positions of its genes being intact. Furthermore, some of the t-lethal mutations...

journal_title：Cell

authors： Shin HS,Bennett D,Artzt K

更新日期：1984-12-01 00:00:00

abstract：:Many organisms expand the information content of their genome through enzymatic methylation of cytosine residues. Here we report the 2.8 A crystal structure of a bacterial DNA (cytosine-5)-methyltransferase (DCMtase), M. HaeIII, bound covalently to DNA. In this complex, the substrate cytosine is extruded from the DNA ...

journal_title：Cell

authors： Reinisch KM,Chen L,Verdine GL,Lipscomb WN

更新日期：1995-07-14 00:00:00

abstract：:We have isolated two adenylyl cyclase genes, designated ACA and ACG, from Dictyostelium. The proposed structure for ACA resembles that proposed for mammalian adenylyl cyclases: two large hydrophilic domains and two sets of six transmembrane spans. ACG has a novel structure, reminiscent of the membrane-bound guanylyl c...

journal_title：Cell

authors： Pitt GS,Milona N,Borleis J,Lin KC,Reed RR,Devreotes PN

更新日期：1992-04-17 00:00:00

abstract：:Enhancers provide critical information directing cell-type-specific transcriptional programs, regulated by binding of signal-dependent transcription factors and their associated cofactors. Here, we report that the most strongly activated estrogen (E2)-responsive enhancers are characterized by trans-recruitment and in ...

journal_title：Cell

authors： Liu Z,Merkurjev D,Yang F,Li W,Oh S,Friedman MJ,Song X,Zhang F,Ma Q,Ohgi KA,Krones A,Rosenfeld MG

更新日期：2014-10-09 00:00:00

abstract：:Excessive accumulation of neurofilaments in the cell bodies and proximal axons of motor neurons is a major pathological hallmark during the early stages of many human motor neuron diseases. To test directly the consequence of overexpression of the major neurofilament subunit NF-L, we produced transgenic mice that accu...

journal_title：Cell

authors： Xu Z,Cork LC,Griffin JW,Cleveland DW

更新日期：1993-04-09 00:00:00

abstract：:Chemotherapy is designed to induce cell death. However, at non-lethal doses, cancer cells can choose to remain proliferative or become senescent. The slow development of senescence makes studying this decision challenging. Here, by analyzing single-cell p21 dynamics before, during, and days after drug treatment, we li...

journal_title：Cell

authors： Hsu CH,Altschuler SJ,Wu LF

更新日期：2019-07-11 00:00:00

abstract：:A key step in the regulation of transcription involves interactions between promoter-selective factors and various components of the transcriptional apparatus. Here we report the requirements for transcriptional activation directed by NTF-1, a developmentally regulated transcription factor in Drosophila. Reconstituted...

journal_title：Cell

authors： Dynlacht BD,Hoey T,Tjian R

更新日期：1991-08-09 00:00:00

abstract：:In developing organisms, spatially prescribed cell identities are thought to be determined by the expression levels of multiple genes. Quantitative tests of this idea, however, require a theoretical framework capable of exposing the rules and precision of cell specification over developmental time. We use the gap gene...

journal_title：Cell

authors： Petkova MD,Tkačik G,Bialek W,Wieschaus EF,Gregor T

更新日期：2019-02-07 00:00:00

abstract：:During eukaryotic translation initiation, initiator tRNA does not insert fully into the P decoding site on the 40S ribosomal subunit. This conformation (POUT) is compatible with scanning mRNA for the AUG start codon. Base pairing with AUG is thought to promote isomerization to a more stable conformation (PIN) that arr...

journal_title：Cell

authors： Hussain T,Llácer JL,Fernández IS,Munoz A,Martin-Marcos P,Savva CG,Lorsch JR,Hinnebusch AG,Ramakrishnan V

更新日期：2014-10-23 00:00:00

abstract：:We have isolated a conditional lethal mutant of bacteriophage 12 which makes plaques only on E. coli strains carrying a UGA suppressor. It grows normally in nonsuppressing hosts but does not lyse such strains. The mutation complements with amber mutations in each of the three known phage cistrons. These observations l...

journal_title：Cell

authors： Model P,Webster RE,Zinder ND

更新日期：1979-10-01 00:00:00

abstract：:Neurons in cortical circuits are often coactivated as ensembles, yet it is unclear whether ensembles play a functional role in behavior. Some ensemble neurons have pattern completion properties, triggering the entire ensemble when activated. Using two-photon holographic optogenetics in mouse primary visual cortex, we ...

journal_title：Cell

authors： Carrillo-Reid L,Han S,Yang W,Akrouh A,Yuste R

更新日期：2019-07-11 00:00:00

abstract：:CRISPR-Cas9 is a versatile genome editing technology for studying the functions of genetic elements. To broadly enable the application of Cas9 in vivo, we established a Cre-dependent Cas9 knockin mouse. We demonstrated in vivo as well as ex vivo genome editing using adeno-associated virus (AAV)-, lentivirus-, or parti...

journal_title：Cell

authors： Platt RJ,Chen S,Zhou Y,Yim MJ,Swiech L,Kempton HR,Dahlman JE,Parnas O,Eisenhaure TM,Jovanovic M,Graham DB,Jhunjhunwala S,Heidenreich M,Xavier RJ,Langer R,Anderson DG,Hacohen N,Regev A,Feng G,Sharp PA,Zhang F

更新日期：2014-10-09 00:00:00

abstract：:Neurons in the cerebral cortex connect through descending pathways to hindbrain and spinal cord to activate muscle and generate movement. Although components of this pathway have been previously generated and studied in vitro, the assembly of this multi-synaptic circuit has not yet been achieved with human cells. Here...

journal_title：Cell

authors： Andersen J,Revah O,Miura Y,Thom N,Amin ND,Kelley KW,Singh M,Chen X,Thete MV,Walczak EM,Vogel H,Fan HC,Paşca SP

更新日期：2020-12-23 00:00:00

abstract：:The phosphoinositide 3-kinase related kinases (PIKKs) mediate responses to diverse stresses, including DNA double-strand breaks (DSBs), abnormal replication fork progression, the recognition of premature termination codons in mRNAs, and inadequate nutrient availability. Rigorous control of these kinases limits cellula...

journal_title：Cell

authors： Bakkenist CJ,Kastan MB

更新日期：2004-07-09 00:00:00

abstract：:X-ray studies have established that the structure of a right-handed, Watson-Crick double helix can change from place to place along its length as a function of base sequence. The base pairs transmit deformations out to the phosphate backbone, where they can then be recognized by proteins and other DNA-binding reagents...

journal_title：Cell

authors： Drew HR,Travers AA

更新日期：1984-06-01 00:00:00

abstract：:Previous work from our laboratory has demonstrated that a subclass of the aminoglycoside antibiotics, those containing the drug fragment paromamine, stimulates mistranslation in cell-free protein-synthesizing systems derived from eucaryotic cells. We report here experiments which show that the ciliate Tetrahymena ther...

journal_title：Cell

authors： Palmer E,Wilhelm JM

更新日期：1978-02-01 00:00:00

abstract：:Plants, compared to animals, exhibit an amazing adaptability and plasticity in their development. This is largely dependent on the ability of plants to form new organs, such as lateral roots, leaves, and flowers during postembryonic development. Organ primordia develop from founder cell populations into organs by coor...

journal_title：Cell

authors： Benková E,Michniewicz M,Sauer M,Teichmann T,Seifertová D,Jürgens G,Friml J

更新日期：2003-11-26 00:00:00

abstract：:How transcription is silenced in early embryos has long been a mystery. In this issue, Guven-Ozkan et al. (2008) report that transcriptional repression during worm embryogenesis is mediated through sequestration of the general transcription factor TAF-4 and is regulated by mechanisms that orchestrate the transition be...

journal_title：Cell

authors： Blackwell TK,Walker AK

更新日期：2008-10-03 00:00:00

abstract：:DNA carrying inverted repeats was tested for transposition within the Drosophila genome. Five Bam HI segments containing related inverted repeats were isolated from D. melanogaster and analyzed by electron microscopy and restriction mapping. Southern blot experiments using single-copy flanking sequences as probes allo...

journal_title：Cell

authors： Potter S,Truett M,Phillips M,Maher A

更新日期：1980-07-01 00:00:00

abstract：:Telomeres are specialized protein-DNA complexes that compose the ends of eukaryotic chromosomes. Telomeres protect chromosome termini from degradation and recombination and act together with telomerase to ensure complete genome replication. We have determined the crystal structure of the two-subunit Oxytricha nova tel...

journal_title：Cell

authors： Horvath MP,Schweiker VL,Bevilacqua JM,Ruggles JA,Schultz SC

更新日期：1998-12-23 00:00:00

abstract：:The cellular complexity and scale of the early liver have constrained analyses examining its emergence during organogenesis. To circumvent these issues, we analyzed 45,334 single-cell transcriptomes from embryonic day (E)7.5, when endoderm progenitors are specified, to E10.5 liver, when liver parenchymal and non-paren...

journal_title：Cell

authors： Lotto J,Drissler S,Cullum R,Wei W,Setty M,Bell EM,Boutet SC,Nowotschin S,Kuo YY,Garg V,Pe'er D,Church DM,Hadjantonakis AK,Hoodless PA

更新日期：2020-10-29 00:00:00

abstract：:Signaling by TGF beta-related factors requires ligand-induced association between type I and type II transmembrane serine/threonine kinases. In Drosophila, the saxophone (sax) and thick veins (tkv) genes encode type I receptors that mediate signaling by decapentaplegic (dpp), a member of the bone morphogenetic protein...

journal_title：Cell

authors： Letsou A,Arora K,Wrana JL,Simin K,Twombly V,Jamal J,Staehling-Hampton K,Hoffmann FM,Gelbart WM,Massagué J

更新日期：1995-03-24 00:00:00

abstract：:Type I interferons (IFNs) are important for antiviral and autoimmune responses. Retinoic acid-induced gene I (RIG-I) and mitochondrial antiviral signaling (MAVS) proteins mediate IFN production in response to cytosolic double-stranded RNA or single-stranded RNA containing 5'-triphosphate (5'-ppp). Cytosolic B form dou...

journal_title：Cell

authors： Chiu YH,Macmillan JB,Chen ZJ

更新日期：2009-08-07 00:00:00

abstract：:Regulated transcription of the prospero gene in the Drosophila eye provides a model for how gene expression is specifically controlled by signals from receptor tyrosine kinases. We show that prospero is controlled by signals from the EGF receptor DER and the Sevenless receptor. A direct link is established between DER...

journal_title：Cell

authors： Xu C,Kauffmann RC,Zhang J,Kladny S,Carthew RW

更新日期：2000-09-29 00:00:00

abstract：:Pulses of ecdysteroids direct Drosophila through its life cycle by activating stage- and tissue-specific genetic regulatory hierarchies. Here we show that an orphan nuclear receptor, DHR78, functions at the top of the ecdysteroid regulatory hierarchies. Null mutations in DHR78 lead to lethality during the third larval...

journal_title：Cell

authors： Fisk GJ,Thummel CS

更新日期：1998-05-15 00:00:00

abstract：:Rapid flow of information in the nervous system involves presynaptic vesicle recycling by clathrin-mediated endocytosis, an event triggered by the alpha-adaptin-containing AP2 complex. We identified a Drosophila alpha-adaptin expressed in the garland cells, imaginal discs, and the CNS. Here we show its role in presyna...

journal_title：Cell

authors： González-Gaitán M,Jäckle H

更新日期：1997-03-21 00:00:00

abstract：:Molecular chaperones assist protein folding by facilitating their "forward" folding and preventing aggregation. However, once aggregates have formed, these chaperones cannot facilitate protein disaggregation. Bacterial ClpB and its eukaryotic homolog Hsp104 are essential proteins of the heat-shock response, which have...

journal_title：Cell

authors： Lee S,Sowa ME,Watanabe YH,Sigler PB,Chiu W,Yoshida M,Tsai FT

更新日期：2003-10-17 00:00:00