Binding sites of the 9- and 14-kilodalton heterodimeric protein subunit of the signal recognition particle (SRP) are contained exclusively in the Alu domain of SRP RNA and contain a sequence motif that is conserved in evolution.

abstract：:The Src homology 2-containing phosphotyrosine phosphatase (SHP2) is primarily a positive effector of receptor tyrosine kinase signaling. However, the molecular mechanism by which SHP2 effects its biological function is unknown. In this report, we provide evidence that defines the molecular mechanism and site of action...

journal_title：Molecular and cellular biology

authors： Agazie YM,Hayman MJ

更新日期：2003-11-01 00:00:00

abstract：:The expressed variant cell surface glycoprotein (VSG) gene of the protozoan parasite Trypanosoma brucei is invariably found at one of several telomeric VSG gene expression sites (ESs). The active ES in variant 118 clone 1 is found on a 1.5-Mb chromosome, and the promoter region is located more than 45 kb upstream of t...

journal_title：Molecular and cellular biology

authors： Gottesdiener KM,Goriparthi L,Masucci JP,Van der Ploeg LH

更新日期：1992-10-01 00:00:00

abstract：:The NuA4 histone acetyltransferase (HAT) multisubunit complex is responsible for acetylation of histone H4 and H2A N-terminal tails in yeast. Its catalytic component, Esa1, is essential for cell cycle progression, gene-specific regulation and has been implicated in DNA repair. Almost all NuA4 subunits have clear homol...

journal_title：Molecular and cellular biology

authors： Doyon Y,Selleck W,Lane WS,Tan S,Côté J

更新日期：2004-03-01 00:00:00

abstract：:The Saccharomyces cerevisiae mitotic exit network (MEN) is a conserved set of genes that mediate the transition from mitosis to G(1) by regulating mitotic cyclin degradation and the inactivation of cyclin-dependent kinase (CDK). Here, we demonstrate that, in addition to mitotic exit, S. cerevisiae MEN gene MOB1 is req...

journal_title：Molecular and cellular biology

authors： Luca FC,Mody M,Kurischko C,Roof DM,Giddings TH,Winey M

更新日期：2001-10-01 00:00:00

abstract：:Transfection of C3H/10T1/2 cells with a c-myc gene resulted in the acquisition of responsiveness to transforming growth factor type beta. Cells transfected with an activated H-ras gene or an H-ras and c-myc gene, however, exhibited a transformed morphology and spontaneous soft-agar growth, a phenotype induced reversib...

journal_title：Molecular and cellular biology

authors： Leof EB,Proper JA,Moses HL

更新日期：1987-07-01 00:00:00

abstract：:The ADP/ATP translocator, a transmembrane protein of the mitochondrial inner membrane, is coded in Saccharomyces cerevisiae by the nuclear gene PET9. DNA sequence analysis of the PET9 gene showed that it encoded a protein of 309 amino acids which exhibited a high degree of homology with mitochondrial translocator prot...

journal_title：Molecular and cellular biology

authors： Adrian GS,McCammon MT,Montgomery DL,Douglas MG

更新日期：1986-02-01 00:00:00

abstract：:Granulocyte-macrophage colony-stimulating factor (GM-CSF) induces various functions, including the proliferation and differentiation of a broad range of hematopoietic cells. We previously reported that at least two distinct pathways are involved in human GM-CSF receptor signaling; both require the box 1 region of the ...

journal_title：Molecular and cellular biology

authors： Itoh T,Liu R,Yokota T,Arai KI,Watanabe S

更新日期：1998-02-01 00:00:00

abstract：:PGC-1α is a key transcription coactivator regulating energy metabolism in a tissue-specific manner. PGC-1α expression is tightly regulated, it is a highly labile protein, and it interacts with various proteins--the known attributes of intrinsically disordered proteins (IDPs). In this study, we characterize PGC-1α as a...

journal_title：Molecular and cellular biology

authors： Adamovich Y,Shlomai A,Tsvetkov P,Umansky KB,Reuven N,Estall JL,Spiegelman BM,Shaul Y

更新日期：2013-07-01 00:00:00

abstract：:rRNA transcription in Xenopus laevis terminates near a 7-base-pair (bp) conserved sequence (T3 box) located 200 bp upstream of the site of transcription initiation for the adjacent gene promoter. We present evidence here that a 12-bp element containing the T3 box is an essential part of the terminator. Using an oocyte...

journal_title：Molecular and cellular biology

authors： Labhart P,Reeder RH

更新日期：1987-05-01 00:00:00

abstract：:Nuclear receptors (NRs) regulate diverse physiological processes, including the central nervous system control of energy balance. However, the molecular mechanisms for the central actions of NRs in energy balance remain relatively poorly defined. Here we report a hypothalamic gene network involving two NRs, neuron-der...

journal_title：Molecular and cellular biology

authors： Kim SG,Lee B,Kim DH,Kim J,Lee S,Lee SK,Lee JW

更新日期：2013-10-01 00:00:00

abstract：:Biallelic expression of Igf2 is frequently seen in cancers because Igf2 functions as a survival factor. In many tumors the activation of Igf2 expression has been correlated with de novo methylation of the imprinted region. We have compared the intrinsic susceptibilities of the imprinted region of Igf2 and H19, other i...

journal_title：Molecular and cellular biology

authors： Biniszkiewicz D,Gribnau J,Ramsahoye B,Gaudet F,Eggan K,Humpherys D,Mastrangelo MA,Jun Z,Walter J,Jaenisch R

更新日期：2002-04-01 00:00:00

abstract：:The selective expression of a unique copy gene in several mammalian tissues has been approached by studying the regulatory sequences needed to control expression of the rat phosphoenolpyruvate carboxykinase (PEPCK) gene in transgenic mice. A transgene containing the entire PEPCK gene, including 2.2 kb of the 5'-flanki...

journal_title：Molecular and cellular biology

authors： Eisenberger CL,Nechushtan H,Cohen H,Shani M,Reshef L

更新日期：1992-03-01 00:00:00

abstract：:Because of its central regulatory role, T-cell receptor (TCR) signal transduction is a common target of viruses. We report here the identification of a small signaling protein, ORF5, of the T-lymphotropic tumor virus herpesvirus saimiri (HVS). ORF5 is predicted to contain 89 to 91 amino acids with an amino-terminal my...

journal_title：Molecular and cellular biology

authors： Lee SH,Chung YH,Cho NH,Gwack Y,Feng P,Jung JU

更新日期：2004-06-01 00:00:00

abstract：:Although it is generally believed that the 60- and 81-base-pair (60/81-bp) repeats of the Xenopus laevis ribosomal DNA (rDNA) spacer are position-independent transcriptional enhancers, this has not been shown directly. We have now developed a critical assay which proves that the 60/81-bp repeats do, in fact, stimulate...

journal_title：Molecular and cellular biology

authors： Pape LK,Windle JJ,Mougey EB,Sollner-Webb B

更新日期：1989-11-01 00:00:00

abstract：:The Rb protein is known to exert its activity at decision points in the G1 phase of the cell cycle. To investigate whether it may also play some role(s) at later points in the cell cycle, we used a system of rapid inducible gene amplification to conditionally overexpress Rb protein during G2 phase. A cell line express...

journal_title：Molecular and cellular biology

authors： Karantza V,Maroo A,Fay D,Sedivy JM

更新日期：1993-11-01 00:00:00

abstract：:The RGT1 gene of Saccharomyces cerevisiae plays a central role in the glucose-induced expression of hexose transporter (HXT) genes. Genetic evidence suggests that it encodes a repressor of the HXT genes whose function is inhibited by glucose. Here, we report the isolation of RGT1 and demonstrate that it encodes a bifu...

journal_title：Molecular and cellular biology

authors： Ozcan S,Leong T,Johnston M

更新日期：1996-11-01 00:00:00

abstract：:Although both osteoblasts and adipocytes have a common origin, i.e., mesenchymal cells, the molecular mechanisms that define the direction of two different lineages are presently unknown. In this study, we investigated the role of a transcription factor, CCAAT/enhancer binding protein beta (C/EBPbeta), and its isoform...

journal_title：Molecular and cellular biology

authors： Hata K,Nishimura R,Ueda M,Ikeda F,Matsubara T,Ichida F,Hisada K,Nokubi T,Yamaguchi A,Yoneda T

更新日期：2005-03-01 00:00:00

abstract：:BCS1, a component of the inner membrane of mitochondria, belongs to the group of proteins with internal, noncleavable import signals. Import and intramitochondrial sorting of BCS1 are encoded in the N-terminal 126 amino acid residues. Three sequence elements were identified in this region, namely, the transmembrane do...

journal_title：Molecular and cellular biology

authors： Stan T,Brix J,Schneider-Mergener J,Pfanner N,Neupert W,Rapaport D

更新日期：2003-04-01 00:00:00

abstract：:The E1a gene of adenovirus encodes two proteins, 289 and 243 amino acids long, which have positive (transactivator) and negative (enhancer repressor) RNA polymerase II transcriptional regulatory properties and cell transformation activities including cooperation with an activated ras gene. The E1a transforming functio...

journal_title：Molecular and cellular biology

authors： Velcich A,Ziff E

更新日期：1988-05-01 00:00:00

abstract：:Inorganic pyrophosphate promoted the acidification of an intracellular compartment in permeabilized procyclic trypomastigotes of Trypanosoma brucei, as measured by acridine orange uptake. The proton gradient generated by pyrophosphate was collapsed by addition of nigericin or NH(4)Cl. Pyrophosphate-driven proton trans...

journal_title：Molecular and cellular biology

authors： Rodrigues CO,Scott DA,Docampo R

更新日期：1999-11-01 00:00:00

abstract：:The LAC9 protein of Kluyveromyces lactis is a transcriptional regulator of genes in the lactose-galactose regulon. To regulate transcription, LAC9 must bind to 17-bp upstream activator sequences (UASs) located in front of each target gene. LAC9 is homologous to the GAL4 protein of Saccharomyces cerevisiae, and the two...

journal_title：Molecular and cellular biology

authors： Halvorsen YD,Nandabalan K,Dickson RC

更新日期：1991-04-01 00:00:00

abstract：:Telomerase is a ribonucleoprotein reverse transcriptase responsible for the maintenance of one strand of the telomere terminal repeats. The catalytic protein subunit of the telomerase complex, known as TERT, possesses a reverse transcriptase (RT) domain that mediates nucleotide addition. The RT domain of TERT is disti...

journal_title：Molecular and cellular biology

authors： Lue NF,Lin YC,Mian IS

更新日期：2003-12-01 00:00:00

abstract：:SCF complexes are E3 ubiquitin-protein ligases that mediate degradation of regulatory and signaling proteins and control G1/S cell cycle progression by degradation of G1 cyclins and the cyclin-dependent kinase inhibitor, Sic1. Interchangeable F-box proteins bind the core SCF components; each recruits a specific subset...

journal_title：Molecular and cellular biology

authors： Ivantsiv Y,Kaplun L,Tzirkin-Goldin R,Shabek N,Raveh D

更新日期：2006-03-01 00:00:00

abstract：:We have characterized the interactions between the TATA element and other sequence elements of a human heat shock protein 70 (hsp70) promoter by a mutational approach. Expression of a distal element of this promoter requires an intact TATA element in human cell lines. The hsp70 TATA element can be functionally replace...

journal_title：Molecular and cellular biology

authors： Greene JM,Kingston RE

更新日期：1990-04-01 00:00:00

abstract：:Growth factors and cyclic AMP (cAMP) are known to activate distinct intracellular signaling pathways. Fibroblast growth factor (FGF) activates ras-dependent kinase cascades, resulting in the activation of MAP kinases, whereas cAMP activates protein kinase A. In this study, we report that growth factors and cAMP act sy...

journal_title：Molecular and cellular biology

authors： Tan Y,Low KG,Boccia C,Grossman J,Comb MJ

更新日期：1994-11-01 00:00:00

abstract：:It has been hypothesized that protein factors may protect CpG islands from methyltransferase during development and that demethylation may involve protein-DNA interactions at demethylated sites. However, direct evidence has been lacking. In this study, demethylation at the EBNA-1 binding sites of the Epstein-Barr viru...

journal_title：Molecular and cellular biology

authors： Hsieh CL

更新日期：1999-01-01 00:00:00

abstract：:To clarify carbon source-dependent control of the glycolytic pathway in the yeast Saccharomyces cerevisiae, we have initiated a study of transcriptional regulation of the pyruvate kinase gene (PYK). By deletion analysis of the 5'-noncoding region of the PYK gene, we have identified an upstream activating sequence (UAS...

journal_title：Molecular and cellular biology

authors： Nishizawa M,Araki R,Teranishi Y

更新日期：1989-02-01 00:00:00

abstract：:The progression of spermatogenesis involves global changes in chromatin structure and conformation. However, our understanding of the regulation of chromatin changes in germ cells remains limited. Here we describe both in vivo RNA interference and genetic mouse knockout studies that identify a critical role for Yin Ya...

journal_title：Molecular and cellular biology

authors： Wu S,Hu YC,Liu H,Shi Y

更新日期：2009-12-01 00:00:00

abstract：:While it is well appreciated that receptors for secreted cytokines transmit ligand-induced signals, little is known about additional roles for cytokine receptor components in the control of ligand transport and secretion. Here, we show that interleukin-15 (IL-15) translocation into the endoplasmic reticulum occurs ind...

journal_title：Molecular and cellular biology

authors： Duitman EH,Orinska Z,Bulanova E,Paus R,Bulfone-Paus S

更新日期：2008-08-01 00:00:00

abstract：:Nuclear migration and positioning within cells are critical for many developmental processes and are governed by the cytoskeletal network. Although mechanisms of nuclear-cytoskeletal attachment are unclear, growing evidence links a novel family of nuclear envelope (NE) proteins that share a conserved C-terminal SUN (S...

journal_title：Molecular and cellular biology

authors： Haque F,Lloyd DJ,Smallwood DT,Dent CL,Shanahan CM,Fry AM,Trembath RC,Shackleton S

更新日期：2006-05-01 00:00:00