Termination-altering amino acid substitutions in the beta' subunit of Escherichia coli RNA polymerase identify regions involved in RNA chain elongation.

abstract：:Human TFIIA activity is composed of three subunits (alpha, beta, gamma). Here we report the isolation of a human cDNA clone encoding the gamma-subunit and the reconstitution of TFIIA activity from recombinant polypeptides (holo-TFIIA). Protein-protein interaction analysis established that the beta and gamma subunits o...

journal_title：Genes & development

authors： Sun X,Ma D,Sheldon M,Yeung K,Reinberg D

更新日期：1994-10-01 00:00:00

abstract：:The abundance of retinoic acid (RA) is determined by the balance between its synthesis by retinaldehyde dehydrogenase (RALDH) and its degradation by CYP26. In particular, the dynamic expression of three CYP26 genes controls the regional level of RA within the body. Pregastrulation mouse embryos express CYP26 but not R...

journal_title：Genes & development

authors： Uehara M,Yashiro K,Takaoka K,Yamamoto M,Hamada H

更新日期：2009-07-15 00:00:00

abstract：:Long understood as a bona fide tumor suppressor that safeguards the integrity of the genome via regulating numerous cellular outcomes, p53 may also exert its decisive and versatile functions by controlling DNA methylation. In this issue of Genes & Development, Tovy and colleagues (pp. 959-972) report that, in naïve mo...

journal_title：Genes & development

authors： Laptenko O,Prives C

更新日期：2017-05-15 00:00:00

abstract：:Epigenetic modifications of chromatin play an important role in the regulation of gene expression. KMT4/Dot1 is a conserved histone methyltransferase capable of methylating chromatin on Lys79 of histone H3 (H3K79). Here we report the identification of a multisubunit Dot1 complex (DotCom), which includes several of the...

journal_title：Genes & development

authors： Mohan M,Herz HM,Takahashi YH,Lin C,Lai KC,Zhang Y,Washburn MP,Florens L,Shilatifard A

更新日期：2010-03-15 00:00:00

abstract：:U4 and U6 small nuclear RNAs are associated by an extensive base-pairing interaction that must be disrupted and reformed with each round of splicing. U4 mutations within the U4/U6 interaction domain destabilize the complex in vitro and cause a cold-sensitive phenotype in vivo. Restabilization of the U4/U6 helix by dom...

journal_title：Genes & development

authors： Shannon KW,Guthrie C

更新日期：1991-05-01 00:00:00

abstract：:RBP is a cellular protein that functions as a transcriptional repressor in mammalian cells. RBP has elicited great interest lately because of its established roles in regulating gene expression, in Drosophila and mouse development, and as a component of the Notch signal transduction pathway. This report focuses on the...

journal_title：Genes & development

authors： Olave I,Reinberg D,Vales LD

更新日期：1998-06-01 00:00:00

abstract：:The ability to initiate organs throughout the lifecycle is a unique feature of plant development that is executed by groups of stem cells called meristems. The balance between stem cell proliferation and organ initiation is carefully regulated and ensures that organs can be initiated in regular geometric patterns. To ...

journal_title：Genes & development

authors： Taguchi-Shiobara F,Yuan Z,Hake S,Jackson D

更新日期：2001-10-15 00:00:00

abstract：:The unique property of stem cells to self-renew suggests specific mechanisms that regulate their cell-cycle progression. In the present study, we identify a novel protein, nucleostemin, found in the nucleoli of CNS stem cells, embryonic stem cells, and several cancer cell lines and preferentially expressed by other st...

journal_title：Genes & development

authors： Tsai RY,McKay RD

更新日期：2002-12-01 00:00:00

abstract：:Developmental responses to the plant hormone auxin are thought to be mediated by interacting pairs from two protein families: short-lived inhibitory IAA proteins and ARF transcription factors binding to auxin-response elements. monopteros mutants lacking activating ARF5 and the auxin-insensitive mutant bodenlos fail t...

journal_title：Genes & development

authors： Hamann T,Benkova E,Bäurle I,Kientz M,Jürgens G

更新日期：2002-07-01 00:00:00

abstract：:We identify the "M region" of the muscle-specific Xenopus cardiac actin gene promoter from -282 to -348 as necessary for the embryonic expression of a cardiac actin-beta-globin reporter gene injected into fertilized eggs. Four DNA-binding activities in embryo extracts, embryonic M-region factors 1-4 (EMF1-4), are desc...

journal_title：Genes & development

authors： Taylor MV,Gurdon JB,Hopwood ND,Towers N,Mohun TJ

更新日期：1991-07-01 00:00:00

abstract：:Small noncoding RNAs, including small interfering RNAs (siRNAs) and micro RNAs (miRNAs) of approximately 21 nucleotides (nt) in length, have emerged as potent regulators of gene expression at both transcriptional and post-transcriptional levels in diverse organisms. Here we report the identification of a novel class o...

journal_title：Genes & development

authors： Grivna ST,Beyret E,Wang Z,Lin H

更新日期：2006-07-01 00:00:00

abstract：:TDP-43 is a critical RNA-binding factor associated with pre-mRNA splicing in mammals. Its expression is tightly autoregulated, with loss of this regulation implicated in human neuropathology. We demonstrate that TDP-43 overexpression in humans and mice activates a 3' untranslated region (UTR) intron, resulting in exci...

journal_title：Genes & development

authors： Avendaño-Vázquez SE,Dhir A,Bembich S,Buratti E,Proudfoot N,Baralle FE

更新日期：2012-08-01 00:00:00

abstract：:Pcf11 is one of numerous proteins involved in pre-mRNA 3'-end processing and transcription termination. Using elongation complexes (ECs) formed from purified yeast RNA polymerase II (Pol II), we show that a 140-amino acid polypeptide from yeast Pcf11 is capable of dismantling the EC in vitro. This action depends on th...

journal_title：Genes & development

authors： Zhang Z,Fu J,Gilmour DS

更新日期：2005-07-01 00:00:00

abstract：:Antigenic stimulation of the B-cell receptor (BCR) is a central event in the immune response. In contrast, antigen bound to IgG negatively regulates signals from the BCR by cross-linking it to the inhibitory receptor FcgammaRIIB. Here we show that upon cross-linking of BCR or BCR with FcgammaRIIB, the rasGAP-associate...

journal_title：Genes & development

authors： Yamanashi Y,Tamura T,Kanamori T,Yamane H,Nariuchi H,Yamamoto T,Baltimore D

更新日期：2000-01-01 00:00:00

abstract：:Human ELAV proteins are implicated in cell growth and differentiation via regulation of mRNA expression in the cytoplasm. In human embryonic teratocarcinoma (hNT2) cells transfected with the human neuronal ELAV-like protein, Hel-N1, neurites formed, yet cells were not terminally differentiated. Cells in which neurite ...

journal_title：Genes & development

authors： Antic D,Lu N,Keene JD

更新日期：1999-02-15 00:00:00

abstract：:We have compared the expression of the murine genes En-1,En-2, and in-1 during development by in situ hybridization. Expression of all three genes was first detected at 8.0 days in overlapping bands of the anterior neural folds. By 12.0 days the expression patterns diverged. En-1 and En-2 were expressed in a similar r...

journal_title：Genes & development

authors： Davis CA,Joyner AL

更新日期：1988-12-01 00:00:00

abstract：:Previous work has shown that rRNA synthesis is strongly inhibited in yeast top1-top2 double mutants. Here, we show that inactivation of yeast topoisomerases can have paradoxical effects on transcription by RNA polymerase I. For example, transcription of ribosomal minigenes on extrachromosomal plasmids is greatly stimu...

journal_title：Genes & development

authors： Schultz MC,Brill SJ,Ju Q,Sternglanz R,Reeder RH

更新日期：1992-07-01 00:00:00

abstract：:The liver regenerates upon partial hepatectomy (PH) as terminally differentiated hepatocytes undergo a tremendous proliferative process. CREM gene expression is powerfully induced during liver regeneration. We show that cell proliferation is significantly reduced upon PH in CREM-/- mice. There is a reduction in DNA sy...

journal_title：Genes & development

authors： Servillo G,Della Fazia MA,Sassone-Corsi P

更新日期：1998-12-01 00:00:00

abstract：:Pancreatic ductal adenocarcinoma (PDA) develops predominantly through pancreatic intraepithelial neoplasia (PanIN) and intraductal papillary mucinous neoplasm (IPMN) precursor lesions. Pancreatic acinar cells are reprogrammed to a "ductal-like" state during PanIN-PDA formation. Here, we demonstrate a parallel mechanis...

journal_title：Genes & development

authors： Roy N,Malik S,Villanueva KE,Urano A,Lu X,Von Figura G,Seeley ES,Dawson DW,Collisson EA,Hebrok M

更新日期：2015-03-15 00:00:00

abstract：:Macrophage activation by the proinflammatory cytokine interferon-gamma (IFN-gamma) is a critical component of the host innate response to bacterial pathogenesis. However, the precise nature of the IFN-gamma-induced activation pathway is not known. Here we show using genome-wide expression and chromatin-binding profili...

journal_title：Genes & development

authors： Sonoda J,Laganière J,Mehl IR,Barish GD,Chong LW,Li X,Scheffler IE,Mock DC,Bataille AR,Robert F,Lee CH,Giguère V,Evans RM

更新日期：2007-08-01 00:00:00

abstract：:Cis-regulatory modules (CRMs) are defined by unique combinations of transcription factor-binding sites. Emerging evidence suggests that the number, affinity, and organization of sites play important roles in regulating enhancer output and, ultimately, gene expression. Here, we investigate how the cis-regulatory logic ...

journal_title：Genes & development

authors： Boisclair Lachance JF,Webber JL,Hong L,Dinner AR,Rebay I

更新日期：2018-03-01 00:00:00

abstract：:Covalent modifications of the histone N tails play important roles in eukaryotic gene expression. Histone acetylation, in particular, is required for the activation of a subset of eukaryotic genes through the targeted recruitment of histone acetyltransferases. We have reported that a histone C tail modification, ubiqu...

journal_title：Genes & development

authors： Kao CF,Hillyer C,Tsukuda T,Henry K,Berger S,Osley MA

更新日期：2004-01-15 00:00:00

abstract：:In this issue of Genes & Development, Wierzbicki and colleagues (pp. 1825-1836) examine the current model of RNA-directed DNA methylation (RdDM) by determining genome-wide distributions of RNA polymerase V (Pol V) occupancy, siRNAs, and DNA methylation. Their data support the key role of base-pairing between Pol V tra...

journal_title：Genes & development

authors： Zhang H,Zhu JK

更新日期：2012-08-15 00:00:00

abstract：:In the absence of growth signals, cells exit the cell cycle and enter into G0 or quiescence. Alternatively, cells enter senescence in response to inappropriate growth signals such as oncogene expression. The molecular mechanisms required for cell cycle exit into quiescence or senescence are poorly understood. The DREA...

journal_title：Genes & development

authors： Litovchick L,Florens LA,Swanson SK,Washburn MP,DeCaprio JA

更新日期：2011-04-15 00:00:00

abstract：:A cDNA library enriched for transcripts that accumulate from embryonic day 7 until day 1 posthatching was constructed from poly(A)+ RNA of chick optic lobe tissue. From this library, three recombinants were isolated that correspond to neural mRNAs appearing during the major period of synaptogenesis in the retinotectal...

journal_title：Genes & development

authors： Zopf D,Hermans-Borgmeyer I,Gundelfinger ED,Betz H

更新日期：1987-09-01 00:00:00

abstract：:A novel 15-kDa protein, RbfA, has been identified by virtue of its ability to act as a high copy suppressor of a previously characterized dominant cold-sensitive mutation (C23U) in 16S rRNA. RbfA is found associated with free 30S ribosomal subunits, but not with 70S ribosomes or polysomes, and is essential for maximal...

journal_title：Genes & development

authors： Dammel CS,Noller HF

更新日期：1995-03-01 00:00:00

abstract：:Binding of microRNA (miRNA) to mRNA within the RNA-induced silencing complex (RISC) leads to either translational inhibition or to destruction of the target mRNA. Both of these functions are executed by Argonaute 2 (Ago2). Using hematopoiesis in mice as a model system to study the physiological function of Ago2 in viv...

journal_title：Genes & development

authors： O'Carroll D,Mecklenbrauker I,Das PP,Santana A,Koenig U,Enright AJ,Miska EA,Tarakhovsky A

更新日期：2007-08-15 00:00:00

abstract：:How muscle diversity is generated in the vertebrate body is poorly understood. In the limb, dorsal and ventral muscle masses constitute the first myogenic diversification, as each gives rise to distinct muscles. Myogenesis initiates after muscle precursor cells (MPCs) have migrated from the somites to the limb bud and...

journal_title：Genes & development

authors： Anderson C,Williams VC,Moyon B,Daubas P,Tajbakhsh S,Buckingham ME,Shiroishi T,Hughes SM,Borycki AG

更新日期：2012-09-15 00:00:00

abstract：:S-phase cyclin-dependent kinase Cdc28-Clb5 (CDK-S) and Dbf4-dependent kinase Cdc7-Dbf4 (DDK) are highly conserved kinases well known for their roles in the initiation of DNA replication. CDK-S is also essential for initiation of meiotic recombination because it phosphorylates Ser30 of Mer2, a meiosis-specific double-s...

journal_title：Genes & development

authors： Wan L,Niu H,Futcher B,Zhang C,Shokat KM,Boulton SJ,Hollingsworth NM

更新日期：2008-02-01 00:00:00

abstract：:In yeast, galactose triggers a rapid GAL4-dependent induction of galactose/melibiose regulon (GAL/MEL) gene transcription, and glucose represses this activation. We discovered that alterations in the physical state of the GAL4 protein correlate with activation and repression of the GAL/MEL genes. Using Western immunob...

journal_title：Genes & development

authors： Mylin LM,Bhat JP,Hopper JE

更新日期：1989-08-01 00:00:00