The ARID family transcription factor bright is required for both hematopoietic stem cell and B lineage development.

abstract：:An extracellular acid phosphatase was detected in the growth media of Leishmania donovani promastigotes. The enzyme was released at all stages of the growth cycle and in amounts which accounted for 90% of the total amount of this enzyme in the culture. The exoenzyme exhibited a pH optimum of 4.5 to 5.0 and was active ...

journal_title：Molecular and cellular biology

authors： Gottlieb M,Dwyer DM

更新日期：1982-01-01 00:00:00

abstract：:We find that during embryogenesis the expression of HMGN1, a nuclear protein that binds to nucleosomes and reduces the compaction of the chromatin fiber, is progressively down-regulated throughout the entire embryo, except in committed but continuously renewing cell types, such as the basal layer of the epithelium. In...

journal_title：Molecular and cellular biology

authors： Furusawa T,Lim JH,Catez F,Birger Y,Mackem S,Bustin M

更新日期：2006-01-01 00:00:00

abstract：:The xCR1 protein is a maternal determinant and cofactor for nodal signaling in vertebrate embryos. The xCR1 protein accumulates specifically in the animal cells of Xenopus embryos, but maternal xCR1 mRNA is distributed equally throughout all embryonic cells. Here, we show that vegetal cell-specific translational repre...

journal_title：Molecular and cellular biology

authors： Zhang Y,Forinash KD,McGivern J,Fritz B,Dorey K,Sheets MD

更新日期：2009-07-01 00:00:00

abstract：:In the gal-his3 hybrid promoter his3-GG1, the yeast upstream activator protein GCN4 stimulates transcription when bound at the position normally occupied by the TATA element. This TATA-independent activation by GCN4 requires two additional elements in the gal enhancer region that are distinct from those involved in no...

journal_title：Molecular and cellular biology

authors： Brandl CJ,Struhl K

更新日期：1990-08-01 00:00:00

abstract：:Yju2 is an essential splicing factor required for the first catalytic step after the action of Prp2. We dissected the structure of Yju2 and found that the amino (Yju2-N) and carboxyl (Yju2-C) halves of the protein can be separated and reconstituted for Yju2 function both in vivo and in vitro. Yju2-N has a weak affinit...

journal_title：Molecular and cellular biology

authors： Chiang TW,Cheng SC

更新日期：2013-05-01 00:00:00

abstract：:Histone methylation is an important posttranslational modification that contributes to chromatin-based processes including transcriptional regulation, DNA repair, and epigenetic inheritance. In the budding yeast Saccharomyces cerevisiae, histone lysine methylation occurs on histone H3 lysines 4, 36, and 79, and its de...

journal_title：Molecular and cellular biology

authors： Klose RJ,Gardner KE,Liang G,Erdjument-Bromage H,Tempst P,Zhang Y

更新日期：2007-06-01 00:00:00

abstract：:To identify novel genes that play critical roles in mediating bone morphogenetic protein (BMP) signal pathways, we performed a yeast two-hybrid screen using Smad1 as bait. A novel mouse Krüppel-type zinc finger protein, mZnf8, was isolated. Interactions between mZnf8 and Smad proteins were further analyzed with variou...

journal_title：Molecular and cellular biology

authors： Jiao K,Zhou Y,Hogan BL

更新日期：2002-11-01 00:00:00

abstract：:A 249-nucleotide coding region instability determinant (CRD) destabilizes c-myc mRNA. Previous experiments identified a CRD-binding protein (CRD-BP) that appears to protect the CRD from endonuclease cleavage. However, it was unclear why a CRD-BP is required to protect a well-translated mRNA whose coding region is cove...

journal_title：Molecular and cellular biology

authors： Lemm I,Ross J

更新日期：2002-06-01 00:00:00

abstract：:A region located at kbp -3.9 to -2.6 5' to the first hematopoietic exon of the GATA-1 gene is necessary to recapitulate gene expression in both the primitive and definitive erythroid lineages. In transfection analyses, this region activated reporter gene expression from an artificial promoter in a position- and orient...

journal_title：Molecular and cellular biology

authors： Nishimura S,Takahashi S,Kuroha T,Suwabe N,Nagasawa T,Trainor C,Yamamoto M

更新日期：2000-01-01 00:00:00

abstract：:Methylation-controlled J protein (MCJ) is a newly identified member of the DnaJ family of cochaperones. Hypermethylation-mediated transcriptional silencing of the MCJ gene has been associated with increased chemotherapeutic resistance in ovarian cancer. However, the biology and function of MCJ remain unknown. Here we ...

journal_title：Molecular and cellular biology

authors： Hatle KM,Neveu W,Dienz O,Rymarchyk S,Barrantes R,Hale S,Farley N,Lounsbury KM,Bond JP,Taatjes D,Rincón M

更新日期：2007-04-01 00:00:00

abstract：:LEU3 of Saccharomyces cerevisiae encodes an 886-amino-acid polypeptide that regulates transcription of a group of genes involved in leucine biosynthesis and has been shown to bind specifically to a 114-base-pair DNA fragment of the LEU2 upstream region (P. Friden and P. Schimmel, Mol. Cell. Biol. 7:2707-2717, 1987). W...

journal_title：Molecular and cellular biology

authors： Friden P,Schimmel P

更新日期：1988-07-01 00:00:00

abstract：:Intron-encoded U17a and U17b RNAs are members of the H/ACA-box class of small nucleolar RNAs (snoRNAs) participating in rRNA processing and modification. We have investigated the organization and expression of the U17 locus in human cells and found that intronic U17a and U17b sequences are transcribed as part of the t...

journal_title：Molecular and cellular biology

authors： Pelczar P,Filipowicz W

更新日期：1998-08-01 00:00:00

abstract：:Fusions between the TRM1 gene of Saccharomyces cerevisiae and COXIV or DHFR were made to examine the mitochondrial targeting signals of N2,N2-dimethylguanosine-specific tRNA methyltransferase [tRNA (m2(2)G)dimethyltransferase]. This enzyme is responsible for the modification of both mitochondrial and cytoplasmic tRNAs...

journal_title：Molecular and cellular biology

authors： Ellis SR,Hopper AK,Martin NC

更新日期：1989-04-01 00:00:00

abstract：:In Saccharomyces cerevisiae, the intracellular concentration of trehalose increases rapidly in response to many environmental stresses, including heat shock. These high trehalose levels have been correlated with tolerance to adverse conditions and led to the model that trehalose functions as a chemical cochaperone. He...

journal_title：Molecular and cellular biology

authors： Conlin LK,Nelson HC

更新日期：2007-02-01 00:00:00

abstract：:The ETS transcription factor complex GABP consists of the GABPalpha protein, containing an ETS DNA binding domain, and an unrelated GABPbeta protein, containing a transactivation domain and nuclear localization signal. GABP has been shown in vitro to regulate the expression of nuclear genes involved in mitochondrial r...

journal_title：Molecular and cellular biology

authors： Ristevski S,O'Leary DA,Thornell AP,Owen MJ,Kola I,Hertzog PJ

更新日期：2004-07-01 00:00:00

abstract：:Smad proteins play a key role in the intracellular signaling of the transforming growth factor beta (TGF-beta) superfamily of extracellular polypeptides that initiate signaling from the cell surface through serine/threonine kinase receptors. A subclass of Smad proteins, including Smad6 and Smad7, has been shown to fun...

journal_title：Molecular and cellular biology

authors： Datta PK,Moses HL

更新日期：2000-05-01 00:00:00

abstract：:The CYC1-239-O mutation in the yeast Saccharomyces cerevisiae produces a -His-Leu- replacement of the normal -Ala-Gly- sequence at amino acid positions 5 and 6, which lie within a dispensable region of iso-1-cytochrome c; this mutation can accommodate the formation of a hairpin structure at the corresponding site in t...

journal_title：Molecular and cellular biology

authors： Baim SB,Pietras DF,Eustice DC,Sherman F

更新日期：1985-08-01 00:00:00

abstract：:The protein components that direct and activate accurate transcription by rat RNA polymerase I were studied in extracts of Novikoff hepatoma ascites cells. A minimum of at least two components, besides RNA polymerase I, that are necessary for efficient utilization of templates were identified. The first factor, rat SL...

journal_title：Molecular and cellular biology

authors： Smith SD,Oriahi E,Lowe D,Yang-Yen HF,O'Mahony D,Rose K,Chen K,Rothblum LI

更新日期：1990-06-01 00:00:00

abstract：:The Epstein-Barr virus BRLF1 and BZLF1 genes are the first viral genes transcribed upon induction of the viral lytic cycle. The protein products of both genes (referred to here as Rta and Zta, respectively) activate expression of other viral genes, thereby initiating the lytic cascade. Among the viral antigens express...

journal_title：Molecular and cellular biology

authors： Flemington EK,Lytle JP,Cayrol C,Borras AM,Speck SH

更新日期：1994-05-01 00:00:00

abstract：:Histone acetylation provides a switch between transcriptionally repressive and permissive chromatin. By regulating the chromatin structure at specific promoters, histone acetyltransferases (HATs) carry out important functions during differentiation and development of higher eukaryotes. HAT complexes are present in org...

journal_title：Molecular and cellular biology

authors： Guelman S,Suganuma T,Florens L,Weake V,Swanson SK,Washburn MP,Abmayr SM,Workman JL

更新日期：2006-10-01 00:00:00

abstract：:We have characterized a cDNA encoding a cysteine-rich, acidic integral membrane protein (CRAM) of the parasitic protozoa Trypanosoma brucei and Trypanosoma equiperdum. Unlike other membrane proteins of T. brucei, which are distributed throughout the cell surface, CRAM is concentrated in the flagellar pocket, an invagi...

journal_title：Molecular and cellular biology

authors： Lee MG,Bihain BE,Russell DG,Deckelbaum RJ,Van der Ploeg LH

更新日期：1990-09-01 00:00:00

abstract：:Thyroid hormone (T3) is critical for growth, differentiation, and maintenance of metabolic homeostasis. Mice with a knock-in mutation in the thyroid hormone receptor alpha gene (TRalpha1PV) were created previously to explore the roles of mutated TRalpha1 in vivo. TRalpha1PV is a dominant negative mutant with a framesh...

journal_title：Molecular and cellular biology

authors： Ying H,Araki O,Furuya F,Kato Y,Cheng SY

更新日期：2007-03-01 00:00:00

abstract：:AIRE is a transcriptional activator that directs the ectopic expression of many tissue-specific genes in medullary thymic epithelial cells, which plays an important role in the negative selection of autoreactive T cells. However, its mechanism of action remains poorly understood. In this study, we found that AIRE regu...

journal_title：Molecular and cellular biology

authors： Oven I,Brdicková N,Kohoutek J,Vaupotic T,Narat M,Peterlin BM

更新日期：2007-12-01 00:00:00

abstract：:We investigated two phenotypically distinct types of diphtheria toxin-resistant mutants of Chinese hamster cells and compared their resistance with that of naturally resistant mouse cells. All are resistant due to a defect in the process of internalization and delivery of toxin to its target in the cytosol, elongation...

journal_title：Molecular and cellular biology

authors： Didsbury JR,Moehring JM,Moehring TJ

更新日期：1983-07-01 00:00:00

abstract：:The MyoD gene can orchestrate the expression of the skeletal muscle differentiation program. We have identified the regions of the gene necessary to reproduce transcription specific to skeletal myoblasts and myotubes. A proximal regulatory region (PRR) contains a conserved TATA box, a CCAAT box, and a GC-rich region t...

journal_title：Molecular and cellular biology

authors： Tapscott SJ,Lassar AB,Weintraub H

更新日期：1992-11-01 00:00:00

abstract：:The level of phosphotyrosine in vinculin was determined in chicken embryo fibroblasts transformed by various strains of avian sarcoma virus. As previously reported (Sefton et al., Cell 24:165-174, 1981), vinculin was phosphorylated at tyrosine residues in most cultures examined, but the level varied greatly and no det...

journal_title：Molecular and cellular biology

authors： Antler AM,Greenberg ME,Edelman GM,Hanafusa H

更新日期：1985-01-01 00:00:00

abstract：:Mrc1 is a conserved checkpoint mediator protein that transduces the replication stress signal to the downstream effector kinase. The loss of mrc1 checkpoint activity results in the aberrant activation of late/dormant origins in the presence of hydroxyurea. Mrc1 was also suggested to regulate orders of early origin fir...

journal_title：Molecular and cellular biology

authors： Matsumoto S,Kanoh Y,Shimmoto M,Hayano M,Ueda K,Fukatsu R,Kakusho N,Masai H

更新日期：2017-03-17 00:00:00

abstract：:Cholera toxin (CT) activates expression of two immediate-early response genes (JE and TIS10) in quiescent BALB/c 3T3 cells. Increases in cyclic AMP (cAMP) levels in response to CT are likely responsible for the induction of TIS10 gene expression, since treatment with 8-Br-cAMP and increasing the intracellular levels o...

journal_title：Molecular and cellular biology

authors： Qureshi SA,Alexandropoulos K,Joseph CK,Spangler R,Foster DA

更新日期：1991-01-01 00:00:00

abstract：:Mammalian cells were observed to die under conditions in which nutrients were depleted and, simultaneously, macroautophagy was inhibited either genetically (by a small interfering RNA targeting Atg5, Atg6/Beclin 1-1, Atg10, or Atg12) or pharmacologically (by 3-methyladenine, hydroxychloroquine, bafilomycin A1, or mone...

journal_title：Molecular and cellular biology

authors： Boya P,González-Polo RA,Casares N,Perfettini JL,Dessen P,Larochette N,Métivier D,Meley D,Souquere S,Yoshimori T,Pierron G,Codogno P,Kroemer G

更新日期：2005-02-01 00:00:00

abstract：:Epithelial-to-mesenchymal transition (EMT) is controlled by cellular signaling pathways that trigger the loss of cell-cell adhesion and lead to the restructuring of the cell cytoskeleton. Transforming growth factor β (TGF-β) has been shown to regulate cell plasticity through the phosphorylation of Par6 on a conserved ...

journal_title：Molecular and cellular biology

authors： Gunaratne A,Thai BL,Di Guglielmo GM

更新日期：2013-03-01 00:00:00