Interference between proteins Hap46 and Hop/p60, which bind to different domains of the molecular chaperone hsp70/hsc70.

abstract：:The TAR RNA binding Protein, TRBP, inhibits the activity of the interferon-induced protein kinase R (PKR), whereas the PKR activator, PACT, activates its function. TRBP and PACT also bind to each other through their double-stranded RNA binding domains (dsRBDs) and their Medipal domains, which may influence their activ...

journal_title：Molecular and cellular biology

authors： Daher A,Laraki G,Singh M,Melendez-Peña CE,Bannwarth S,Peters AH,Meurs EF,Braun RE,Patel RC,Gatignol A

更新日期：2009-01-01 00:00:00

abstract：:Growth factor independence 1B (GFI1B) coordinates assembly of transcriptional repressor complexes comprised of corepressors and histone-modifying enzymes to control gene expression programs governing lineage allocation in hematopoiesis. Enforced expression of GFI1B in K562 erythroleukemia cells favors erythroid over m...

journal_title：Molecular and cellular biology

authors： McClellan D,Casey MJ,Bareyan D,Lucente H,Ours C,Velinder M,Singer J,Lone MD,Sun W,Coria Y,Mason CC,Engel ME

更新日期：2019-06-13 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：:Genomic imprinting results in parent-of-origin-dependent monoallelic expression of selected genes. Although their importance in development and physiology is recognized, few imprinted genes have been investigated for their effects on brain function. Gnas is a complex imprinted locus whose gene products are involved in...

journal_title：Molecular and cellular biology

authors： Plagge A,Isles AR,Gordon E,Humby T,Dean W,Gritsch S,Fischer-Colbrie R,Wilkinson LS,Kelsey G

更新日期：2005-04-01 00:00:00

abstract：:Mating-type genes resident in the silent cassette HML at the left arm of chromosome III are repressed by the action of four SIR gene products, most likely mediated through two cis-acting sites located on opposite sides of the locus. We showed that deletion of either of these two cis-acting sites from the chromosome di...

journal_title：Molecular and cellular biology

authors： Mahoney DJ,Broach JR

更新日期：1989-11-01 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：:MicroRNA 155 (miR-155) is an oncomir, generated as a noncoding RNA from the BIC gene whose promoter activity is mainly controlled via activation protein 1 (AP-1) and NF-κB transcription factors. We found that the expression levels of miR-155 and programmed cell death 4 (Pdcd4) exhibit inverse relationships in tongue c...

journal_title：Molecular and cellular biology

authors： Zargar S,Tomar V,Shyamsundar V,Vijayalakshmi R,Somasundaram K,Karunagaran D

更新日期：2019-03-01 00:00:00

abstract：:The cellular transcription factor E2F appears to be a target for the regulatory action of the retinoblastoma tumor suppressor gene product. The recent isolation of the E2F1 cDNA clone, which encodes a polypeptide with properties characteristic of E2F, has now allowed a more detailed analysis of the regulation of E2F f...

journal_title：Molecular and cellular biology

authors： Cress WD,Johnson DG,Nevins JR

更新日期：1993-10-01 00:00:00

abstract：:Bach2 is a B-cell- and neuron-specific transcription repressor that forms heterodimers with the Maf-related oncoproteins. We show here that Bach2 activates transcription by interacting with its novel partner MAZR. MAZR was isolated by the yeast two-hybrid screen using the BTB/POZ domain of Bach2 as bait. Besides the B...

journal_title：Molecular and cellular biology

authors： Kobayashi A,Yamagiwa H,Hoshino H,Muto A,Sato K,Morita M,Hayashi N,Yamamoto M,Igarashi K

更新日期：2000-03-01 00:00:00

abstract：:Toxoplasma gondii is an obligate intracellular pathogen within the phylum Apicomplexa. Invasion and egress by this protozoan parasite are rapid events that are dependent upon parasite motility and appear to be directed by fluctuations in intracellular [Ca(2+)]. Treatment of infected host cells with the calcium ionopho...

journal_title：Molecular and cellular biology

authors： Black MW,Arrizabalaga G,Boothroyd JC

更新日期：2000-12-01 00:00:00

abstract：:The transcriptional coactivators p300 and CREB binding protein (CBP) are important regulators of the cell cycle, differentiation, and tumorigenesis. Both p300 and CBP are targeted by viral oncoproteins, are mutated in certain forms of cancer, are phosphorylated in a cell cycle-dependent manner, interact with transcrip...

journal_title：Molecular and cellular biology

authors： Snowden AW,Anderson LA,Webster GA,Perkins ND

更新日期：2000-04-01 00:00:00

abstract：:A molecular karyotype of Neurospora crassa was obtained by using an alternating-field gel electrophoresis system which employs contour-clamped homogeneous electric fields. The migration of all seven N. crassa chromosomal DNAs was defined, and five of the seven molecules were separated from one another. The estimated s...

journal_title：Molecular and cellular biology

authors： Orbach MJ,Vollrath D,Davis RW,Yanofsky C

更新日期：1988-04-01 00:00:00

abstract：:An unusual glucocorticoid-responsive element (called GRE A) was found to mediate the induction of the cytosolic aspartate aminotransferase gene by glucocorticoids and was bound by the glucocorticoid receptor in a DNase I footprinting assay. GRE A consists of two overlapping GREs, each comprising a conserved half-site ...

journal_title：Molecular and cellular biology

authors： Garlatti M,Daheshia M,Slater E,Bouguet J,Hanoune J,Beato M,Barouki R

更新日期：1994-12-01 00:00:00

abstract：:The Wnt signaling pathway plays a pivotal role in vertebrate early development and morphogenesis. Duplin (axis duplication inhibitor) interacts with beta-catenin and prevents its binding to Tcf, thereby inhibiting downstream Wnt signaling. Here we show that Duplin is expressed predominantly from early- to mid-stage mo...

journal_title：Molecular and cellular biology

authors： Nishiyama M,Nakayama K,Tsunematsu R,Tsukiyama T,Kikuchi A,Nakayama KI

更新日期：2004-10-01 00:00:00

abstract：:The myeloperoxidase (MPO) gene is transcribed specifically in immature myeloid cells and is regulated in part by a 414-bp proximal enhancer. Mutation of a core binding factor (CBF)-binding site at -288 decreased enhancer activity 30-fold in 32D cl3 myeloid cells cultured in granulocyte colony-stimulating factor (G-CSF...

journal_title：Molecular and cellular biology

authors： Britos-Bray M,Friedman AD

更新日期：1997-09-01 00:00:00

abstract：:The repair of DNA single-strand breaks in mammalian cells is mediated by poly(ADP-ribose) polymerase 1 (PARP-1), DNA ligase IIIalpha, and XRCC1. Since these proteins are not found in lower eukaryotes, this DNA repair pathway plays a unique role in maintaining genome stability in more complex organisms. XRCC1 not only ...

journal_title：Molecular and cellular biology

authors： Leppard JB,Dong Z,Mackey ZB,Tomkinson AE

更新日期：2003-08-01 00:00:00

abstract：:Protein modification by SUMO conjugation has emerged to be an important regulatory event. Recently, the mechanisms through which SUMO elicits its effects on target proteins have been elucidated. One of these is the noncovalent association between SUMO and coregulatory proteins via SUMO interaction motifs (SIMs). We th...

journal_title：Molecular and cellular biology

authors： Yang SH,Sharrocks AD

更新日期：2010-05-01 00:00:00

abstract：:Thyroid hormone receptor (TR) functions as part of multiprotein complexes that also include retinoid X receptor (RXR) and transcriptional coregulators. We have found that both the TR CoR box and ninth heptad are required for RXR interaction and in turn for interaction with corepressor proteins N-CoR and SMRT. Remarkab...

journal_title：Molecular and cellular biology

authors： Zhang J,Zamir I,Lazar MA

更新日期：1997-12-01 00:00:00

abstract：:Two Drosophila tumor necrosis factor receptor-associated factors (TRAF), DTRAF1 and DTRAF2, are proposed to have similar functions with their mammalian counterparts as a signal mediator of cell surface receptors. However, their in vivo functions and related signaling pathways are not fully understood yet. Here, we sho...

journal_title：Molecular and cellular biology

authors： Cha GH,Cho KS,Lee JH,Kim M,Kim E,Park J,Lee SB,Chung J

更新日期：2003-11-01 00:00:00

abstract：:Previous work showed that tunicamycin suppresses glycosylation of laminin. In the present work, the role of glycosylation in the secretion of laminin and in the disulfide bonding of laminin subunits was studied, using tunicamycin to inhibit glycosylation. Tunicamycin inhibited extensively the secretion of laminin into...

journal_title：Molecular and cellular biology

authors： Howe CC

更新日期：1984-01-01 00:00:00

abstract：:An 85,000-molecular-weight polypeptide (85K polypeptide) has previously been identified as a common substrate for tyrosine phosphorylation upon polyomavirus middle T transformation or upon platelet-derived growth factor stimulation of 3T3 cells. In each case, pp85 has an associated phosphatidylinositol kinase activity...

journal_title：Molecular and cellular biology

authors： Cohen B,Liu YX,Druker B,Roberts TM,Schaffhausen BS

更新日期：1990-06-01 00:00:00

abstract：:We describe experiments which demonstrated that the simian virus 40 (SV40) enhancer affects certain transcriptional units differently. We also found that a specific enhancer-transcriptional unit interaction can be regulated by trans-acting factors. Using transient assays, we examined the effects of the SV40 enhancer o...

journal_title：Molecular and cellular biology

authors： Robbins PD,Rio DC,Botchan MR

更新日期：1986-04-01 00:00:00

abstract：:Mouse mammary tumor virus (MMTV) has long been implicated in mouse mammary carcinogenesis, and it is now well established that the long terminal repeat (LTR) contains regulatory sequences responsible for glucocorticoid-mediated induction of viral RNA. However, we have demonstrated previously that androgens as well as ...

journal_title：Molecular and cellular biology

authors： Darbre P,Page M,King RJ

更新日期：1986-08-01 00:00:00

abstract：:The c-fes locus encodes a 93-kDa non-receptor protein tyrosine kinase (Fes) that regulates the growth and differentiation of hematopoietic and vascular endothelial cells. Unique to Fes is a long N-terminal sequence with two regions of strong homology to coiled-coil oligomerization domains. We introduced leucine-to-pro...

journal_title：Molecular and cellular biology

authors： Cheng HY,Schiavone AP,Smithgall TE

更新日期：2001-09-01 00:00:00

abstract：:LAC9 is a DNA-binding protein that regulates transcription of the lactose-galactose regulon in Kluyveromyces lactis. The DNA-binding domain is composed of a zinc finger and nearby amino acids (M. M. Witte and R. C. Dickson, Mol. Cell. Biol. 8:3726-3733, 1988). The single zinc finger appears to be structurally related ...

journal_title：Molecular and cellular biology

authors： Witte MM,Dickson RC

更新日期：1990-10-01 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：:Replication protein A (RPA) is required for simian virus 40-directed DNA replication in vitro and for nucleotide excision repair (NER). Here we report that RPA and the human repair protein XPA specifically interact both in vitro and in vivo. Mapping of the RPA-interactive domains in XPA revealed that both of the large...

journal_title：Molecular and cellular biology

authors： Li L,Lu X,Peterson CA,Legerski RJ

更新日期：1995-10-01 00:00:00

abstract：:We have analyzed the interleukin-4 (IL-4)-triggered mechanisms implicated in cell survival and show here that IL-4 deprivation induces apoptotic cell death but does not modulate Bcl-2 or Bcl-x expression. Since Bcl-x expression is insufficient to ensure cell survival in the absence of IL-4, we speculate that additiona...

journal_title：Molecular and cellular biology

authors： Rebollo A,Dumoutier L,Renauld JC,Zaballos A,Ayllón V,Martínez-A C

更新日期：2000-05-01 00:00:00

abstract：:In heat-shocked tomato cell cultures, cytoplasmic heat shock granules (HSGs) are tightly associated with a specific subset of mRNAs coding mainly for the untranslated control proteins. This messenger ribonucleoprotein complex was banded in a CsCl gradient after fixation with formaldehyde (approximately 1.30 g/cm3). It...

journal_title：Molecular and cellular biology

authors： Nover L,Scharf KD,Neumann D

更新日期：1989-03-01 00:00:00

abstract：:Myb family proteins are ubiquitously expressed transcription factors. In mammalian cells, they play a critical role in regulating the G(1)/S cell cycle transition but their role in regulating other cell cycle checkpoints is incompletely defined. Herein, we report experiments which demonstrate that c-Myb upregulates cy...

journal_title：Molecular and cellular biology

authors： Nakata Y,Shetzline S,Sakashita C,Kalota A,Rallapalli R,Rudnick SI,Zhang Y,Emerson SG,Gewirtz AM

更新日期：2007-03-01 00:00:00