Termination-altering mutations in the second-largest subunit of yeast RNA polymerase III.

abstract：:The protein tyrosine kinase Syk couples the B-cell receptor (BCR) for antigen to multiple intracellular signaling pathways and also modulates cellular responses to inducers of oxidative stress in a receptor-independent fashion. In B cells, Syk is found in both the nuclear and cytoplasmic compartments but contains no r...

journal_title：Molecular and cellular biology

authors： Zhou F,Hu J,Ma H,Harrison ML,Geahlen RL

更新日期：2006-05-01 00:00:00

abstract：:We have examined the in vivo sites of action for topoisomerases II in the 87A7 heat shock locus as a function of gene activity. When the hsp70 genes are induced, there is a dramatic redistribution of topoisomerase II in the locus which parallels many of the observed alterations in chromatin structure. In addition to c...

journal_title：Molecular and cellular biology

authors： Udvardy A,Schedl P

更新日期：1993-12-01 00:00:00

abstract：:The ∼230-residue C-terminal tail of the epidermal growth factor receptor (EGFR) is phosphorylated upon activation. We examined whether this phosphorylation is affected by deletions within the tail and whether the two tails in the asymmetric active EGFR dimer are phosphorylated differently. We monitored autophosphoryla...

journal_title：Molecular and cellular biology

authors： Kovacs E,Das R,Wang Q,Collier TS,Cantor A,Huang Y,Wong K,Mirza A,Barros T,Grob P,Jura N,Bose R,Kuriyan J

更新日期：2015-09-01 00:00:00

abstract：:Recent advancements in genetic and proteomic technologies have revealed that more of the genome encodes proteins than originally thought possible. Specifically, some putative long noncoding RNAs (lncRNAs) have been misannotated as noncoding. Numerous lncRNAs have been found to contain short open reading frames (sORFs)...

journal_title：Molecular and cellular biology

authors： Hartford CCR,Lal A

更新日期：2020-02-27 00:00:00

abstract：:Extracellular signal-regulated kinase (ERK) facilitates cell cycle progression in most mammalian cells, but in certain cell types prolonged signaling through this pathway promotes differentiation and lineage-specific gene expression through mechanisms that are poorly understood. Here, we characterize the transcription...

journal_title：Molecular and cellular biology

authors： Sevinsky JR,Whalen AM,Ahn NG

更新日期：2004-05-01 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：:Yeast cells containing the recessive mas3 mutation display temperature-sensitive defects in both mitochondrial protein import and the cell division cycle. The import defect is characterized by two pools of mitochondrial precursors and a dramatically slower rate of posttranslational import. The effect of mas3 on cell c...

journal_title：Molecular and cellular biology

authors： Smith BJ,Yaffe MP

更新日期：1991-05-01 00:00:00

abstract：:DHCR24/seladin-1, a crucial enzyme in sterol synthesis, is of lower abundance in brain areas affected by Alzheimer's disease. While high levels of DHCR24/seladin-1 exert antiapoptotic function by conferring resistance against oxidative stress, the molecular mechanism for this protective effect is not fully understood....

journal_title：Molecular and cellular biology

authors： Kuehnle K,Crameri A,Kälin RE,Luciani P,Benvenuti S,Peri A,Ratti F,Rodolfo M,Kulic L,Heppner FL,Nitsch RM,Mohajeri MH

更新日期：2008-01-01 00:00:00

abstract：:The erbB-2 gene product, gp185erbB-2, unlike the structurally related epidermal growth factor (EGF) receptor (EGFR), exhibits constitutive kinase and transforming activity. We used a chimeric EGFR/erbB-2 expression vector to compare the mitogenic signaling pathway of the erbB-2 kinase with that of the EGFR, at similar...

journal_title：Molecular and cellular biology

authors： Fazioli F,Kim UH,Rhee SG,Molloy CJ,Segatto O,Di Fiore PP

更新日期：1991-04-01 00:00:00

abstract：:SWI-SNF alters DNA-histone interactions within a nucleosome in an ATP-dependent manner. These alterations cause changes in the topology of a closed circular nucleosomal array that persist after removal of ATP from the reaction. We demonstrate here that a remodeled closed circular array will revert toward its original ...

journal_title：Molecular and cellular biology

authors： Guyon JR,Narlikar GJ,Sullivan EK,Kingston RE

更新日期：2001-02-01 00:00:00

abstract：:There is scant knowledge regarding how cell surface lipid-anchored T-cadherin (T-cad) transmits signals through the plasma membrane to its intracellular targets. This study aimed to identify membrane proteins colocalizing with atypical glycosylphosphatidylinositol (GPI)-anchored T-cad on the surface of endothelial cel...

journal_title：Molecular and cellular biology

authors： Philippova M,Ivanov D,Joshi MB,Kyriakakis E,Rupp K,Afonyushkin T,Bochkov V,Erne P,Resink TJ

更新日期：2008-06-01 00:00:00

abstract：:By assessing the contribution of deregulated E2F activity to erythroid defects in Rb null mice, we have identified E2f-2 as being upregulated in end-stage red cells, where we show it is the major pRb-associated E2f and the predominant E2f detected at key target gene promoters. Consistent with its expression pattern, E...

journal_title：Molecular and cellular biology

authors： Dirlam A,Spike BT,Macleod KF

更新日期：2007-12-01 00:00:00

abstract：:A new member of a family of site-specific retrotransposons is described in the New World trypanosome Trypanosoma cruzi. This element, CZAR (cruzi-associated retrotransposon), resembles two previously described retrotransposons found in the African trypanosome T. brucei gambiense and the mosquito trypanosomatid Crithid...

journal_title：Molecular and cellular biology

authors： Villanueva MS,Williams SP,Beard CB,Richards FF,Aksoy S

更新日期：1991-12-01 00:00:00

abstract：:The four receptor tyrosine kinases of the ErbB family play essential roles in several physiological processes and have also been implicated in tumor generation and/or progression. Activation of ErbB1/EGFR is mainly triggered by epidermal growth factor (EGF) and other related ligands, while activation of ErbB2, ErbB3, ...

journal_title：Molecular and cellular biology

authors： Esparís-Ogando A,Díaz-Rodríguez E,Montero JC,Yuste L,Crespo P,Pandiella A

更新日期：2002-01-01 00:00:00

abstract：:Hybridization to synthetic oligonucleotides representing conserved regions in the promoter and first intron of several vertebrate beta-actin genes was used to discriminate between what appears to be a single functional beta-actin gene and numerous pseudogenes in the mouse genome. Sequences derived from the 5' end of t...

journal_title：Molecular and cellular biology

authors： Elder PK,French CL,Subramaniam M,Schmidt LJ,Getz MJ

更新日期：1988-01-01 00:00:00

abstract：:Translocation of preproteins across the mitochondrial outer membrane is mediated by the TOM complex. This complex consists of receptor components for the initial contact with preproteins at the mitochondrial surface and membrane-embedded proteins which promote transport and form the translocation pore. In order to und...

journal_title：Molecular and cellular biology

authors： Rapaport D,Künkele KP,Dembowski M,Ahting U,Nargang FE,Neupert W,Lill R

更新日期：1998-09-01 00:00:00

abstract：:Vacuolar H+-ATPases (V-ATPases) are a family of ATP-driven proton pumps. They maintain pH gradients between intracellular compartments and are required for proton secretion out of the cytoplasm. Mechanisms of extrinsic control of V-ATPase are poorly understood. Previous studies showed that glucose is an important regu...

journal_title：Molecular and cellular biology

authors： Sautin YY,Lu M,Gaugler A,Zhang L,Gluck SL

更新日期：2005-01-01 00:00:00

abstract：:Activation of transcription can occur by the facilitated recruitment of TFIID to promoters by gene-specific activators. To investigate the role of TFIIA in TFIID recruitment in vivo, we exploited a class of yeast TATA-binding protein (TBP) mutants that is activation and DNA binding defective. We found that co-overexpr...

journal_title：Molecular and cellular biology

authors： Liu Q,Gabriel SE,Roinick KL,Ward RD,Arndt KM

更新日期：1999-12-01 00:00:00

abstract：:Pretreatment of 3T6 murine cells with the carcinogen UV radiation or N-acetoxy-N-acetylaminofluorene increased the number of methotrexate-resistant colonies. This carcinogen-induced enhancement was seen only at low toxicities. The enhancement was transient and was observed at its maximum when cells were subjected to m...

journal_title：Molecular and cellular biology

authors： Tlsty TD,Brown PC,Schimke RT

更新日期：1984-06-01 00:00:00

abstract：:Each of two severely defective mouse kappa-chain genes has acquired a different intracisternal A particle (IAP) element within one of its introns. One IAP element generated 6-base-pair direct repeats upon insertion. In contrast, the other IAP element was not flanked by direct repeats and was missing a single nucleotid...

journal_title：Molecular and cellular biology

authors： Hawley RG,Shulman MJ,Hozumi N

更新日期：1984-12-01 00:00:00

abstract：:Unlike the DNA of higher eucaryotes, the DNA of Saccharomyces cerevisiae (bakers' yeast) is not methylated. Introduction of the Escherichia coli dam gene into yeast cells results in methylation of the N-6 position of adenine. The UV excision repair system of yeast cells specifically responds to the methylation, sugges...

journal_title：Molecular and cellular biology

authors： Hoekstra MF,Malone RE

更新日期：1986-10-01 00:00:00

abstract：:Retinoid X receptors (RXR) have been identified as common subunits in the regulation of multiple hormonal signaling pathways. Using circular permutation and phasing analysis of specific response elements, we present evidence that RXR-retinoic acid receptor and RXR-thyroid hormone receptor heterodimer or RXR-RXR homodi...

journal_title：Molecular and cellular biology

authors： Lu XP,Eberhardt NL,Pfahl M

更新日期：1993-10-01 00:00:00

abstract：:We demonstrate that a member of the fos family, the fosB gene, gives rise to two transcripts by alternative splicing of exon 4, generating two proteins, FosB of 338 amino acids and a short form, FosB/SF, which contains the DNA binding and dimerization domains but not the 101 amino acids of the C terminus. FosB/SF acti...

journal_title：Molecular and cellular biology

authors： Dobrazanski P,Noguchi T,Kovary K,Rizzo CA,Lazo PS,Bravo R

更新日期：1991-11-01 00:00:00

abstract：:Lipophilic compounds such as retinoic acid and long-chain fatty acids regulate gene transcription by activating nuclear receptors such as retinoic acid receptors (RARs) and peroxisome proliferator-activated receptors (PPARs). These compounds also bind in cells to members of the family of intracellular lipid binding pr...

journal_title：Molecular and cellular biology

authors： Tan NS,Shaw NS,Vinckenbosch N,Liu P,Yasmin R,Desvergne B,Wahli W,Noy N

更新日期：2002-07-01 00:00:00

abstract：:Expression of the anaphase-promoting complex/cyclosome (APC/C) inhibitor Emi1 is required for the accumulation of APC/C substrates crucial for DNA synthesis and mitotic entry. We show that in vivo Emi1 expression correlates with the proliferative status of the cellular compartment and that cells lacking Emi1 undergo c...

journal_title：Molecular and cellular biology

authors： Verschuren EW,Ban KH,Masek MA,Lehman NL,Jackson PK

更新日期：2007-11-01 00:00:00

abstract：:SATB1 is expressed primarily in thymocytes and orchestrates temporal and spatial expression of a large number of genes in the T-cell lineage. SATB1 binds to the bases of chromatin loop domains in vivo, recognizing a special DNA context with strong base-unpairing propensity. The majority of thymocytes are eliminated by...

journal_title：Molecular and cellular biology

authors： Galande S,Dickinson LA,Mian IS,Sikorska M,Kohwi-Shigematsu T

更新日期：2001-08-01 00:00:00

abstract：:Human CRK protein is a homolog of the chicken v-crk oncogene product and consists mostly of src homology region 2 (SH2) and SH3, which are shared by many proteins, in particular those involved in signal transduction. SH2 has been shown to bind specifically to phosphotyrosine-containing peptides. We report here that bo...

journal_title：Molecular and cellular biology

authors： Tanaka S,Hattori S,Kurata T,Nagashima K,Fukui Y,Nakamura S,Matsuda M

更新日期：1993-07-01 00:00:00

abstract：:Incubation of WEHI 231 cells, derived from a murine B-cell lymphoma, with antisera directed against its surface immunoglobulin results in the inhibition of growth within 24 h. Previously, we demonstrated that this treatment selectively affects cytoplasmic levels of c-myc mRNA (J. E. McCormack, V. H. Pepe, R. B. Kent, ...

journal_title：Molecular and cellular biology

authors： Levine RA,McCormack JE,Buckler A,Sonenshein GE

更新日期：1986-11-01 00:00:00

abstract：:To examine the role of simian virus 40 (SV40) large T and small t antigens in tumorigenesis in animals, we generated transgenic mice which expressed either both the SV40 large T and small t antigens or the SV40 large T antigen alone under the control of the mouse mammary tumor virus long terminal repeat. The mouse mam...

journal_title：Molecular and cellular biology

authors： Choi YW,Lee IC,Ross SR

更新日期：1988-08-01 00:00:00

abstract：:Nuclear extracts from chicken erythroid cells selectively stimulate transcription of the chicken histone H5 gene (and not of other chicken histone genes) after coinjection into frog oocytes. This effect is shown to involve an enhancerlike activity, and a region of the H5 gene sufficient to mediate trans-activation is ...

journal_title：Molecular and cellular biology

authors： Wigley PL,Wells JR

更新日期：1987-10-01 00:00:00