Transcription factor access is mediated by accurately positioned nucleosomes on the mouse mammary tumor virus promoter.

abstract：:Using nuclear runoff transcription assays we demonstrated that alpha interferon-mediated induction of transcription of four mRNAs in HeLa monolayer cells needed ongoing protein synthesis and that such a need could be obviated by pretreating the cells with gamma interferon which, by itself, did not induce transcription...

journal_title：Molecular and cellular biology

authors： Kusari J,Sen GC

更新日期：1987-01-01 00:00:00

abstract：:The abundance of crystallins (> 80% of the soluble protein) in the ocular lens provides advantageous markers for selective gene expression during cellular differentiation. Here we show by functional and protein-DNA binding experiments that the chicken alpha A-crystallin gene is regulated by at least five control eleme...

journal_title：Molecular and cellular biology

authors： Cvekl A,Sax CM,Bresnick EH,Piatigorsky J

更新日期：1994-11-01 00:00:00

abstract：:Vascular endothelial growth factor (VEGF) is a potent angiogenic inducer that stimulates the expression of tissue factor (TF), the major cellular initiator of blood coagulation. Here we show that signaling triggered by VEGF induced DNA-binding and transcriptional activities of nuclear factor of activated T cells (NFAT...

journal_title：Molecular and cellular biology

authors： Armesilla AL,Lorenzo E,Gómez del Arco P,Martínez-Martínez S,Alfranca A,Redondo JM

更新日期：1999-03-01 00:00:00

abstract：:The tumor suppressor protein ARF inhibits MDM2 to activate and stabilize p53. Recent studies provided evidence for p53-independent tumor suppression functions of ARF. For example, it has been shown that ARF induces proteolysis of certain E2F species, including E2F1. In addition, ARF relocalizes E2F1 from the nucleopla...

journal_title：Molecular and cellular biology

authors： Datta A,Nag A,Raychaudhuri P

更新日期：2002-12-01 00:00:00

abstract：:The differentiation of dental epithelia into enamel-producing ameloblasts or the root epithelial lineage compartmentalizes teeth into crowns and roots. Bmp signaling has been linked to enamel formation, but its role in root epithelial lineage differentiation is unclear. Here we show that cessation of epithelial Bmp si...

journal_title：Molecular and cellular biology

authors： Yang Z,Hai B,Qin L,Ti X,Shangguan L,Zhao Y,Wiggins L,Liu Y,Feng JQ,Chang JY,Wang F,Liu F

更新日期：2013-12-01 00:00:00

abstract：:M double-stranded RNA (MdsRNA) plasmid mutants were obtained by mutagenesis and screening of a diploid killer culture partially heat cured of the plasmid, so that a high proportion of the cells could be expected to have only on M plasmid. Mutants with neutral (nonkiller [K-], immune [R+]) or suicide (killer [K+], sens...

journal_title：Molecular and cellular biology

authors： Bussey H,Sacks W,Galley D,Saville D

更新日期：1982-04-01 00:00:00

abstract：:Two members of the heat shock transcription factor (HSF) family, HSF1 and HSF2, both function as transcriptional activators of heat shock gene expression. However, the inducible DNA-binding activities of these two factors are regulated by distinct pathways. HSF1 is activated by heat shock and other forms of stress, wh...

journal_title：Molecular and cellular biology

authors： Sistonen L,Sarge KD,Morimoto RI

更新日期：1994-03-01 00:00:00

abstract：:In Saccharomyces cerevisiae, COX5a and COX5b encode two distinct forms of cytochrome c oxidase subunit V, Va and Vb, respectively. To determine the relative contribution of COX5a and COX5b to cytochrome c oxidase function, we have disrupted each gene. Cytochrome c oxidase activity levels and respiration rates of strai...

journal_title：Molecular and cellular biology

authors： Trueblood CE,Poyton RO

更新日期：1987-10-01 00:00:00

abstract：:The eukaryotic genome is divided into chromosomal domains of distinct gene activities. Transcriptionally silent chromatin tends to encroach upon active chromatin. Barrier elements that can block the spread of silent chromatin have been documented, but the mechanisms of their function are not resolved. We show that the...

journal_title：Molecular and cellular biology

authors： Bi X,Yu Q,Sandmeier JJ,Zou Y

更新日期：2004-03-01 00:00:00

abstract：:Several ETS transcription factors, including ELF4/MEF, can function as oncogenes in murine cancer models and are overexpressed in human cancer. We found that Elf4/Mef activates Mdm2 expression; thus, lack of or knockdown of Elf4/Mef reduces Mdm2 levels in mouse embryonic fibroblasts (mef's), leading to enhanced p53 pr...

journal_title：Molecular and cellular biology

authors： Sashida G,Liu Y,Elf S,Miyata Y,Ohyashiki K,Izumi M,Menendez S,Nimer SD

更新日期：2009-07-01 00:00:00

abstract：:Although TRAIL is considered a potential anticancer agent, it enhances tumor progression by activating NF-κB in apoptosis-resistant cells. Cellular FLICE-like inhibitory protein (cFLIP) overexpression and caspase-8 activation have been implicated in TRAIL-induced NF-κB activation; however, the underlying mechanisms ar...

journal_title：Molecular and cellular biology

authors： Zhang L,Blackwell K,Workman LM,Chen S,Pope MR,Janz S,Habelhah H

更新日期：2015-10-01 00:00:00

abstract：:Peroxisomal matrix proteins are synthesized on cytosolic ribosomes and transported to the organelle by shuttling receptors. Matrix proteins containing a type 1 signal are carried to the peroxisome by PEX5, whereas those harboring a type 2 signal are transported by a PEX5-PEX7 complex. The pathway followed by PEX5 duri...

journal_title：Molecular and cellular biology

authors： Rodrigues TA,Alencastre IS,Francisco T,Brites P,Fransen M,Grou CP,Azevedo JE

更新日期：2014-08-01 00:00:00

abstract：:The 2 micron plasmid of Saccharomyces cerevisiae codes for a site-specific recombinase, the FLP protein, that catalyzes efficient recombination across two 599-base-pair (bp) inverted repeats of the plasmid DNA both in vivo and in vitro. We analyzed the interaction of the purified FLP protein with the target sequences ...

journal_title：Molecular and cellular biology

authors： Andrews BJ,McLeod M,Broach J,Sadowski PD

更新日期：1986-07-01 00:00:00

abstract：:Schizosaccharomyces pombe Cdc5p and its Saccharomyces cerevisiae ortholog, Cef1p, are essential Myb-related proteins implicated in pre-mRNA splicing and contained within large multiprotein complexes. Here we describe the tandem affinity purification (TAP) of Cdc5p- and Cef1p-associated complexes. Using transmission el...

journal_title：Molecular and cellular biology

authors： Ohi MD,Link AJ,Ren L,Jennings JL,McDonald WH,Gould KL

更新日期：2002-04-01 00:00:00

abstract：:Phosphorylation is believed to be one of the mechanisms by which p53 becomes activated or stabilized in response to cellular stress. Previously, p53 was shown to interact with three components of transcription factor IIH (TFIIH): excision repair cross-complementing types 2 and 3 (ERCC2 and ERCC3) and p62. This communi...

journal_title：Molecular and cellular biology

authors： Lu H,Fisher RP,Bailey P,Levine AJ

更新日期：1997-10-01 00:00:00

abstract：:cDNAs for the murine lyn protein tyrosine kinase gene were cloned from mouse bone marrow-derived monocytic cells. Comparison of the human and murine genes demonstrated a 94% homology in peptide sequence. Comparable to the human gene, murine lyn was found to be expressed in myeloid and B-lymphoid lineage cells. During ...

journal_title：Molecular and cellular biology

authors： Yi TL,Bolen JB,Ihle JN

更新日期：1991-05-01 00:00:00

abstract：:Myocyte enhancer factor 2 (MEF2) transcription factors cooperate with the MyoD family of basic helix-loop-helix (bHLH) transcription factors to drive skeletal muscle development during embryogenesis, but little is known about the potential functions of MEF2 factors in postnatal skeletal muscle. Here we show that skele...

journal_title：Molecular and cellular biology

authors： Potthoff MJ,Arnold MA,McAnally J,Richardson JA,Bassel-Duby R,Olson EN

更新日期：2007-12-01 00:00:00

abstract：:Eukaryotic chromosomes are organized into domains of activity for both transcription and DNA replication. Transcriptional "border," or "insulator," elements have been implicated in mediating the organization of transcriptional domains. However, the DNA sequence elements which might demarcate domains of DNA replication...

journal_title：Molecular and cellular biology

authors： Lu L,Tower J

更新日期：1997-04-01 00:00:00

abstract：:X chromosome inactivation is a remarkable example of chromosome-wide gene silencing and facultative heterochromatin formation. Numerous histone posttranslational modifications, including H3K9me2 and H3K27me3, accompany this process, although our understanding of the enzymes that lay down these marks and the factors th...

journal_title：Molecular and cellular biology

authors： Escamilla-Del-Arenal M,da Rocha ST,Spruijt CG,Masui O,Renaud O,Smits AH,Margueron R,Vermeulen M,Heard E

更新日期：2013-12-01 00:00:00

abstract：:The retrotransposon LINE-1 (L1) is a significant source of endogenous mutagenesis in humans. In each individual genome, a few retrotransposition-competent L1s (RC-L1s) can generate new heritable L1 insertions in the early embryo, primordial germ line, and germ cells. L1 retrotransposition can also occur in the neurona...

journal_title：Molecular and cellular biology

authors： Salvador-Palomeque C,Sanchez-Luque FJ,Fortuna PRJ,Ewing AD,Wolvetang EJ,Richardson SR,Faulkner GJ

更新日期：2019-03-19 00:00:00

abstract：:Glucose-6-phosphate dehydrogenase (G6PD) produces cellular NADPH, which is required for the biosynthesis of fatty acids and cholesterol. Although G6PD is required for lipogenesis, it is poorly understood whether G6PD in adipocytes is involved in energy homeostasis, such as lipid and glucose metabolism. We report here ...

journal_title：Molecular and cellular biology

authors： Park J,Rho HK,Kim KH,Choe SS,Lee YS,Kim JB

更新日期：2005-06-01 00:00:00

abstract：:Repetitive DNA sequences have been implicated in the mediation of DNA rearrangement in mammalian cells. We have tested this hypothesis by using a dihydrofolate reductase (DHFR) expression vector into which candidate sequences were inserted. DHFR- Chinese hamster ovary (CHO) cells were transfected with this vector, the...

journal_title：Molecular and cellular biology

authors： Heartlein MW,Knoll JH,Latt SA

更新日期：1988-09-01 00:00:00

abstract：:All inbred strains of mice carry the Ren-1 structural gene, which encodes the renin-1 isozyme, the classical renin activity found in kidneys. In addition, some strains carry a second renin structural gene, Ren-2, which encodes the predominantly expressed submaxillary gland renin isozyme, renin-2. Ren-1 and Ren-2 exhib...

journal_title：Molecular and cellular biology

authors： Field LJ,Philbrick WM,Howles PN,Dickinson DP,McGowan RA,Gross KW

更新日期：1984-11-01 00:00:00

abstract：:Cells of Candida albicans WO-1 spontaneously switch between a white and opaque CFU, and this phase transition involves a dramatic change in cellular phenotype. By using a differential hybridization screen, an opaque-specific cDNA, Op1a, which represents the transcript of a gene regulated by switching, has been isolate...

journal_title：Molecular and cellular biology

authors： Morrow B,Srikantha T,Soll DR

更新日期：1992-07-01 00:00:00

abstract：:Previous studies have shown that expansion-prone repeats form structures that inhibit human flap endonuclease (FEN-1). We report here that faulty processing by FEN-1 initiates repeat instability in mammalian cells. Disease-length CAG tracts in Huntington's disease mice heterozygous for FEN-1 display a tendency toward ...

journal_title：Molecular and cellular biology

authors： Spiro C,McMurray CT

更新日期：2003-09-01 00:00:00

abstract：:RNA-dependent RNA polymerase (RdRP) plays key roles in RNA silencing to generate double-stranded RNAs. In model organisms, such as Caenorhabditis elegans and Neurospora crassa, two types of small interfering RNAs (siRNAs), primary siRNAs and secondary siRNAs, are expressed; RdRP produces secondary siRNAs de novo, with...

journal_title：Molecular and cellular biology

authors： Maida Y,Yasukawa M,Masutomi K

更新日期：2016-03-31 00:00:00

abstract：:Phosphatidylinositol (PI) 3-kinase is a cytoplasmic signaling molecule recruited to the membrane by activated growth factor receptors. The p85 subunit of PI 3-kinase links the catalytic p110 subunit to activated growth factor receptors and is required for enzymatic activity of p110. In this report, we describe the eff...

journal_title：Molecular and cellular biology

authors： Klippel A,Reinhard C,Kavanaugh WM,Apell G,Escobedo MA,Williams LT

更新日期：1996-08-01 00:00:00

abstract：:The activity of p21ras is required for the proliferative response to colony-stimulating factor 1 (CSF-1), and signals transduced by both the CSF-1 receptor (CSF-1R) and p21ras stimulate transcription from promoter elements containing overlapping binding sites for Fos/Jun- and Ets-related proteins. A sequence encoding ...

journal_title：Molecular and cellular biology

authors： Langer SJ,Bortner DM,Roussel MF,Sherr CJ,Ostrowski MC

更新日期：1992-12-01 00:00:00

abstract：:Total genomic DNA from a temperature-sensitive, colcemid-resistant Chinese hamster ovary (CHO) cell mutant expressing an electrophoretic variant beta-tubulin was used to transform wild-type CHO cells to colcemid-resistant cells at 37 degrees C. Southern blot analysis of the transformant demonstrated the three- to five...

journal_title：Molecular and cellular biology

authors： Whitfield C,Abraham I,Ascherman D,Gottesman MM

更新日期：1986-05-01 00:00:00

abstract：:The role of the target cell in its own death mediated by cytotoxic T lymphocytes (CTL) has been controversial. The ability of the pore-forming granule components of CTL to induce target cell death directly has been taken to suggest an essentially passive role for the target. This view of CTL-mediated killing ascribes ...

journal_title：Molecular and cellular biology

authors： Ucker DS,Wilson JD,Hebshi LD

更新日期：1994-01-01 00:00:00