The immunoglobulin heavy-chain enhancer functions as the promoter for I mu sterile transcription.

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：:Maintaining optimal bone integrity, mass, and strength throughout adult life requires ongoing bone remodeling, which involves coordinated activity between actions of bone-resorbing osteoclasts and bone forming-osteoblasts. Osteoporosis is a disorder of remodeling in which bone resorption outstrips deposition, leading ...

journal_title：Molecular and cellular biology

authors： Mukherjee A,Rotwein P

更新日期：2012-01-01 00:00:00

abstract：:The first processing step in the maturation of mouse precursor rRNA involves cleavage at nucleotide ca. +650, at the 5' border of a 200-nucleotide region that is conserved across mammals and contains the sequences that direct the processing. To identify the relevant sequence elements, we used rRNAs with small internal...

journal_title：Molecular and cellular biology

authors： Craig N,Kass S,Sollner-Webb B

更新日期：1991-01-01 00:00:00

abstract：:Abundant approximately 28-nucleotide RNAs that are thought to direct histone H3 lysine 9 (H3K9) methylation and promote the elimination of nearly 15 Mbp of DNA from the developing somatic genome are generated during Tetrahymena thermophila conjugation. To identify the protein(s) that generates these small RNAs, we stu...

journal_title：Molecular and cellular biology

authors： Malone CD,Anderson AM,Motl JA,Rexer CH,Chalker DL

更新日期：2005-10-01 00:00:00

abstract：:GATA-1, a transcription factor essential for the development of the erythroid lineage, contains two adjacent highly conserved zinc finger motifs. The carboxy-terminal finger is necessary and sufficient for specific binding to the consensus GATA recognition sequence: mutant proteins containing only the amino-terminal f...

journal_title：Molecular and cellular biology

authors： Trainor CD,Omichinski JG,Vandergon TL,Gronenborn AM,Clore GM,Felsenfeld G

更新日期：1996-05-01 00:00:00

abstract：:The genes of the trithorax group (trxG) in Drosophila melanogaster are required to maintain the pattern of homeotic gene expression that is established early in embryogenesis by the transient expression of the segmentation genes. The precise role of each of the diverse trxG members and the functional relationships amo...

journal_title：Molecular and cellular biology

authors： Crosby MA,Miller C,Alon T,Watson KL,Verrijzer CP,Goldman-Levi R,Zak NB

更新日期：1999-02-01 00:00:00

abstract：:The divergently transcribed DIT1 and DIT2 genes of Saccharomyces cerevisiae, which belong to the mid-late class of sporulation-specific genes, are subject to Ssn6-Tup1-mediated repression in mitotic cells. The Ssn6-Tup1 complex, which is required for repression of diverse sets of coordinately regulated genes, is known...

journal_title：Molecular and cellular biology

authors： Rothfels K,Tanny JC,Molnar E,Friesen H,Commisso C,Segall J

更新日期：2005-08-01 00:00:00

abstract：:mof6-1 was originally isolated as a recessive mutation in Saccharomyces cerevisiae which promoted increased efficiencies of programmed -1 ribosomal frameshifting and rendered cells unable to maintain the killer virus. Here, we demonstrate that mof6-1 is a unique allele of the histone deacetylase RPD3, that the deacety...

journal_title：Molecular and cellular biology

authors： Meskauskas A,Baxter JL,Carr EA,Yasenchak J,Gallagher JE,Baserga SJ,Dinman JD

更新日期：2003-03-01 00:00:00

abstract：:NF-kappaB2 (p100/p52), a member of the NF-kappaB/Rel family of transcription factors, is involved in the regulation of a variety of genes important for immune function. Previously, we have shown that the NF-kappaB2 gene is regulated in a positive and a negative manner. Two kappaB elements within the NF-kappaB2 promote...

journal_title：Molecular and cellular biology

authors： Oswald F,Liptay S,Adler G,Schmid RM

更新日期：1998-04-01 00:00:00

abstract：:RSC is an essential chromatin remodeling complex in Saccharomyces cerevisiae that performs central roles in transcriptional regulation and cell cycle progression. Here we identify Htl1 as a novel factor that associates with the RSC complex both physically and functionally. We isolated HTL1 through a genetic screen for...

journal_title：Molecular and cellular biology

authors： Romeo MJ,Angus-Hill ML,Sobering AK,Kamada Y,Cairns BR,Levin DE

更新日期：2002-12-01 00:00:00

abstract：:We have characterized features of the site recognized by a double-stranded DNA endonuclease, I-SceII, encoded by intron 4 alpha of the yeast mitochondrial COX1 gene. We determined the effects of 36 point mutations on the cleavage efficiency of natural and synthetic substrates containing the Saccharomyces capensis I-Sc...

journal_title：Molecular and cellular biology

authors： Wernette C,Saldanha R,Smith D,Ming D,Perlman PS,Butow RA

更新日期：1992-02-01 00:00:00

abstract：:Deletion analysis was used to identify sequences upstream of the ADH2 gene of Saccharomyces cerevisiae that are required for its regulation. 5' and 3' internal deletions of the ADH2 control region were created in vitro, and the fragments were ligated adjacent to the ADH1 promoter and structural gene. Hybrid genes with...

journal_title：Molecular and cellular biology

authors： Beier DR,Sledziewski A,Young ET

更新日期：1985-07-01 00:00:00

abstract：:In eukaryotic cells, cohesion between sister chromatids allows chromosomes to biorient on the metaphase plate and holds them together until they separate into daughter cells during mitosis. Cohesion is mediated by the cohesin protein complex. Although the association of this complex with particular regions of the geno...

journal_title：Molecular and cellular biology

authors： Bausch C,Noone S,Henry JM,Gaudenz K,Sanderson B,Seidel C,Gerton JL

更新日期：2007-12-01 00:00:00

abstract：:Enhancer elements modulate promoter activity over vast chromosomal distances, and mechanisms that ensure restrictive interactions between promoters and enhancers are critical for proper control of gene expression. The human beta-globin locus control region (LCR) activates expression of five genes in erythroid cells, i...

journal_title：Molecular and cellular biology

authors： Shimotsuma M,Matsuzaki H,Tanabe O,Campbell AD,Engel JD,Fukamizu A,Tanimoto K

更新日期：2007-08-01 00:00:00

abstract：:The GGAs (Golgi-localized, gamma-ear-containing, ARF-binding proteins) are a family of multidomain adaptor proteins involved in protein sorting at the trans-Golgi network of eukaryotic cells. Here we present results from a functional characterization of the two Saccharomyces cerevisiae GGAs, Gga1p and Gga2p. We show t...

journal_title：Molecular and cellular biology

authors： Mullins C,Bonifacino JS

更新日期：2001-12-01 00:00:00

abstract：:Posttranscriptional regulation is important for tumor necrosis factor alpha (TNF-alpha) expression in monocytes and macrophages, and an AU-rich element (ARE) in the 3' untranslated region (UTR) of TNF-alpha mRNA is implicated in control of its translation and mRNA stability. Regulation of mRNA turnover is thought to b...

journal_title：Molecular and cellular biology

authors： Dean JL,Wait R,Mahtani KR,Sully G,Clark AR,Saklatvala J

更新日期：2001-02-01 00:00:00

abstract：:An ACG codon, which replaces the AUG codon used to initiate the synthesis of bacteriophage T7 gene 0.3 protein, was shown to function as a low-efficiency initiation codon in a wheat germ cell-free protein-synthesizing system. ...

journal_title：Molecular and cellular biology

authors： Anderson CW,Buzash-Pollert E

更新日期：1985-12-01 00:00:00

abstract：:The intracellular accumulation of the unspliced RNA of Rous sarcoma virus was decreased when translation was prematurely terminated by the introduction of nonsense codons within its 5' proximal gene, the gag gene. Subcellular fractionation of transfected cells suggested that nonsense codon-mediated instability occurre...

journal_title：Molecular and cellular biology

authors： Barker GF,Beemon K

更新日期：1994-03-01 00:00:00

abstract：:DNA supercoiling in the chloroplast of the unicellular green alga Chlamydomonas reinhardtii was found to change with a diurnal rhythm in cells growing in alternating 12-h dark-12-h light periods. Highest and lowest DNA superhelicities occurred at the beginning and towards the end of the 12-h light periods, respectivel...

journal_title：Molecular and cellular biology

authors： Salvador ML,Klein U,Bogorad L

更新日期：1998-12-01 00:00:00

abstract：:The general transcription factor TFIID is a multisubunit complex of TATA-binding protein (TBP) and 14 distinct TBP-associated factors (TAFs). Although TFIID constituents are required for transcription initiation of most mRNA encoding genes, the mechanism of TFIID action remains unclear. To gain insight into TFIID func...

journal_title：Molecular and cellular biology

authors： Sanders SL,Jennings J,Canutescu A,Link AJ,Weil PA

更新日期：2002-07-01 00:00:00

abstract：:The activation of Raf kinases by the small GTPase Ras requires two major sets of phosphorylations. One set lies within the activation loop, and the other lies within the N-terminal acidic region (N region). In the most abundant isoform of Raf, C-Raf, N-region phosphorylations occur on serine 338 (S338) and tyrosine 34...

journal_title：Molecular and cellular biology

authors： Takahashi M,Li Y,Dillon TJ,Kariya Y,Stork PJS

更新日期：2017-09-12 00:00:00

abstract：:TIN2 is a negative regulator of telomere elongation that interacts with telomeric DNA repeat binding factor 1 (TRF1) and affects telomere length by a telomerase-dependent mechanism. Here we show that inactivation of the mouse TRF1-interacting protein 2 (TIN2) gene results in early embryonic lethality. We further obser...

journal_title：Molecular and cellular biology

authors： Chiang YJ,Kim SH,Tessarollo L,Campisi J,Hodes RJ

更新日期：2004-08-01 00:00:00

abstract：:We have investigated the in vivo and in vitro regulation of the human urokinase-type plasminogen activator (uPA) gene by interleukin-1 (IL-1) and analyzed the transcription factors and signalling pathways involved in the response of the -2.0-kb uPA enhancer to IL-1 induction and to tetradecanoyl phorbol acetate (TPA) ...

journal_title：Molecular and cellular biology

authors： Cirillo G,Casalino L,Vallone D,Caracciolo A,De Cesare D,Verde P

更新日期：1999-09-01 00:00:00

abstract：:Cytosine methylation at CpG dinucleotides is thought to cause more than one-third of all transition mutations responsible for human genetic diseases and cancer. We investigated the methylation status of the CpG dinucleotide at codon 248 in exon 7 of the p53 gene because this codon is a hot spot for inactivating mutati...

journal_title：Molecular and cellular biology

authors： Magewu AN,Jones PA

更新日期：1994-06-01 00:00:00

abstract：:We previously purified and characterized functionally the Escherichia coli-expressed product of the human subgroup C adenovirus E1A 13S mRNA (B. Ferguson, N. Jones, J. Richter, and M. Rosenberg, Science 224:1343-1346, 1984; B. Krippl, B. Ferguson, M. Rosenberg, and H. Westphal, Proc. Natl. Acad. Sci. USA 81:6988-6992,...

journal_title：Molecular and cellular biology

authors： Ferguson B,Krippl B,Andrisani O,Jones N,Westphal H,Rosenberg M

更新日期：1985-10-01 00:00:00

abstract：:During V(D)J recombination, the coding ends to be joined are extensively modified. Those modifications, termed coding-end processing, consist of removal and addition of various numbers of nucleotides. We previously showed in vivo that coding-end processing is specific for each coding end, suggesting that specific moti...

journal_title：Molecular and cellular biology

authors： Nadel B,Feeney AJ

更新日期：1997-07-01 00:00:00

abstract：:The Saccharomyces cerevisiae Cdc42p GTPase interacts with multiple regulators and downstream effectors through an approximately 25-amino-acid effector domain. Four effector domain mutations, Y32K, F37A, D38E, and Y40C, were introduced into Cdc42p and characterized for their effects on these interactions. Each mutant p...

journal_title：Molecular and cellular biology

authors： Richman TJ,Johnson DI

更新日期：2000-11-01 00:00:00

abstract：:NIH 3T3 cells infected with Moloney murine leukemia virus (MoMLV) express high levels of virus-specific RNA. To inhibit replication of the virus, we stably introduced chimeric tRNA genes encoding antisense templates into NIH 3T3 cells via a retroviral vector. Efficient expression of hybrid tRNA-MoMLV antisense transcr...

journal_title：Molecular and cellular biology

authors： Sullenger BA,Lee TC,Smith CA,Ungers GE,Gilboa E

更新日期：1990-12-01 00:00:00

abstract：:A cDNA sequence which contains the entire coding region for human purine nucleoside phosphorylase (PNP) was recombined for selection and expression in mammalian cells. Plasmids containing either the simian virus 40 early promoter or the mouse metallothionein promoter positioned just upstream of the PNP coding sequence...

journal_title：Molecular and cellular biology

authors： McIvor RS,Goddard JM,Simonsen CC,Martin DW Jr

更新日期：1985-06-01 00:00:00

abstract：:Sequencing studies have shown that in somatic cells alternating runs of purines and pyrimidines are frequently associated with recombination crossover points. To test whether such sequences actually promote recombination, we have examined the effects of poly[d(pGpT).d(pApC)] and poly[d(pCpG).d(pCpG)] repeats on a homo...

journal_title：Molecular and cellular biology

authors： Bullock P,Miller J,Botchan M

更新日期：1986-11-01 00:00:00