Protein sequence requirements for function of the human T-cell leukemia virus type 1 Rex nuclear export signal delineated by a novel in vivo randomization-selection assay.

abstract：:Vascular smooth muscle cells (vSMCs) are key in the regulation of blood pressure and the engagement of vascular pathologies, such as hypertension, arterial remodeling, and neointima formation. The role of the Rac1 GTPase in these cells remains poorly characterized. To clarify this issue, we have utilized genetically e...

journal_title：Molecular and cellular biology

authors： Fabbiano S,Menacho-Márquez M,Sevilla MA,Albarrán-Juárez J,Zheng Y,Offermanns S,Montero MJ,Bustelo XR

更新日期：2014-12-01 00:00:00

abstract：:In the yeast Saccharomyces cerevisiae, yeast RAS proteins are potent activators of adenylate cyclase. In the present work we measured the activity of adenylate cyclase in membranes from Saccharomyces cerevisiae which overexpress this enzyme. The response of the enzyme to added RAS2 proteins bound with various guanine ...

journal_title：Molecular and cellular biology

authors： Field J,Broek D,Kataoka T,Wigler M

更新日期：1987-06-01 00:00:00

abstract：:Synonymous single nucleotide polymorphisms (SNPs) within a transcript's coding region produce no change in the amino acid sequence of the protein product and are therefore intuitively assumed to have a neutral effect on protein function. We report that two common variants of high-temperature requirement A1 (HTRA1) tha...

journal_title：Molecular and cellular biology

authors： Jacobo SM,Deangelis MM,Kim IK,Kazlauskas A

更新日期：2013-05-01 00:00:00

abstract：:IRE1-alpha is an integral membrane protein of the endoplasmic reticulum (ER) that is a key sensor in the cellular transcriptional response to stress in the ER. Upon induction of ER stress, IRE1-alpha is activated, resulting in the synthesis of the active form of the transcription factor XBP1 via IRE1-mediated splicing...

journal_title：Molecular and cellular biology

authors： Huang ZM,Tan T,Yoshida H,Mori K,Ma Y,Yen TS

更新日期：2005-09-01 00:00:00

abstract：:We measured the content and metabolism of histone mRNA in mouse 3T6 fibroblasts during a serum-induced transition from the resting to growing state. The content of several histone H3 and H2b mRNAs was measured by an S1 nuclease procedure. All of these increase in parallel by a factor of about 50 during S phase. Howeve...

journal_title：Molecular and cellular biology

authors： DeLisle AJ,Graves RA,Marzluff WF,Johnson LF

更新日期：1983-11-01 00:00:00

abstract：:The NF-kappa B/Rel family of transcription factors participates in the control of a wide array of genes, including genes involved in embryonic development and regulation of immune, inflammation, and stress responses. In most cells, inhibitory I kappa B proteins sequester NF-kappa B/Rel in the cytoplasm. Cellular stimu...

journal_title：Molecular and cellular biology

authors： Antonsson A,Hughes K,Edin S,Grundström T

更新日期：2003-02-01 00:00:00

abstract：:The active 17S U2 small nuclear ribonucleoprotein particle (snRNP), which binds to the intron branch site during the formation of the prespliceosome, is assembled in vitro by sequential interactions of the essential splicing factors SF3b and SF3a with the 12S U2 snRNP. We have analyzed the function of individual subun...

journal_title：Molecular and cellular biology

authors： Nesic D,Krämer A

更新日期：2001-10-01 00:00:00

abstract：:We have characterized the mechanism by which coactivator p300 facilitates transcriptional activation mediated by the heterodimer of thyroid hormone (T3) receptor and 9-cis retinoid acid receptor (TR-RXR) in the context of chromatin. We demonstrate that, while p300 can enhance the transcriptional activation mediated by...

journal_title：Molecular and cellular biology

authors： Li J,O'Malley BW,Wong J

更新日期：2000-03-01 00:00:00

abstract：:Hepatocyte growth factor (HGF), a cytokine with multiple functions, exhibits cell-type-specific as well as cytokine- and steroid hormone-regulated expression. The HGF gene is known to be expressed predominately in mesenchymal but not in epithelial cells. In this study, we report the identification of a cell-type-speci...

journal_title：Molecular and cellular biology

authors： Liu Y,Beedle AB,Lin L,Bell AW,Zarnegar R

更新日期：1994-11-01 00:00:00

abstract：:Drosophila melanogaster telomeres have two DNA domains: a terminal array of retrotransposons and a subterminal repetitive telomere-associated sequence (TAS), a source of telomere position effect (TPE). We reported previously that deletion of the 2L TAS array leads to dominant suppression of TPE by stimulating in trans...

journal_title：Molecular and cellular biology

authors： Frydrychova RC,Biessmann H,Konev AY,Golubovsky MD,Johnson J,Archer TK,Mason JM

更新日期：2007-07-01 00:00:00

abstract：:Transcription factor-induced reprogramming of somatic cells to pluripotency is mediated via profound alterations in the epigenetic landscape. The histone variant macroH2A1 (mH2A1) is a barrier to the cellular reprogramming process. We demonstrate here that mH2A1 blocks reprogramming and contributes to the preservation...

journal_title：Molecular and cellular biology

authors： Pliatska M,Kapasa M,Kokkalis A,Polyzos A,Thanos D

更新日期：2018-04-30 00:00:00

abstract：:Two cDNAs derived from Xenopus laevis calmodulin mRNA have been cloned. Both cDNAs contain the complete protein-coding region and various lengths of untranslated segments. The two cDNAs encode an identical protein but differ from each other by 5% nucleotide substitutions. The 5' and 3' untranslated regions, to the ext...

journal_title：Molecular and cellular biology

authors： Chien YH,Dawid IB

更新日期：1984-03-01 00:00:00

abstract：:Heteroduplexes were prepared from two plasmids, pRH4-14/TK and pRH5-8/TK, containing different amber mutations in the neomycin resistance gene (Neor). The Neor gene was engineered to be expressed in both bacterial and mammalian cells. A functional Neor gene conferred kanamycin resistance to bacteria and resistance to ...

journal_title：Molecular and cellular biology

authors： Folger KR,Thomas K,Capecchi MR

更新日期：1985-01-01 00:00:00

abstract：:The retinoblastoma binding protein 1 (RBP1) appears to be an important factor in the repression of E2F-dependent transcription by the retinoblastoma protein (pRB) family. The recent identification of the breast carcinoma associated antigen (BCAA) as an RBP1-like protein led us to investigate its biological properties ...

journal_title：Molecular and cellular biology

authors： Binda O,Roy JS,Branton PE

更新日期：2006-03-01 00:00:00

abstract：:COUP-TF, an orphan member of the nuclear receptor superfamily, has been proposed to play a key role in regulating organogenesis, neurogenesis, and cellular differentiation during embryonic development. Since heterodimierization is a common theme within the nuclear receptor superfamily and has been demonstrated to modu...

journal_title：Molecular and cellular biology

authors： Leng X,Cooney AJ,Tsai SY,Tsai MJ

更新日期：1996-05-01 00:00:00

abstract：:The upstream promoter sequences of the human carbonic anhydrase II (CA II) gene have been studied by 5' deletion analysis. Promoter activity was assayed by transfection and chloramphenicol acetyltransferase assay in both human HeLa cells and murine L cells. This investigation showed that the CA II promoter is comparab...

journal_title：Molecular and cellular biology

authors： Shapiro LH,Venta PJ,Tashian RE

更新日期：1987-12-01 00:00:00

abstract：:We have determined the effects of a number of mutations in the small-t antigen mRNA intron on the alternative splicing pattern of the simian virus 40 early transcript. Expansion of the distance separating the small-t pre-mRNA lariat branch point and the shared large T-small t 3' splice site from 18 to 29 nucleotides (...

journal_title：Molecular and cellular biology

authors： Fu XY,Colgan JD,Manley JL

更新日期：1988-09-01 00:00:00

abstract：:Transcriptional activation of eukaryotic genes depends on the precise and ordered recruitment of activators, chromatin modifiers/remodelers, coactivators, and general transcription factors to the promoters of target genes. Using the human matrix metalloproteinase 9 (MMP-9) gene as a model system, we investigated the s...

journal_title：Molecular and cellular biology

authors： Ma Z,Shah RC,Chang MJ,Benveniste EN

更新日期：2004-06-01 00:00:00

abstract：:3-Methyl adenine (3meA), a minor-groove DNA lesion, presents a strong block to synthesis by replicative DNA polymerases (Pols). To elucidate the means by which replication through this DNA lesion is mediated in eukaryotic cells, here we carry out genetic studies in the yeast Saccharomyces cerevisiae treated with the a...

journal_title：Molecular and cellular biology

authors： Johnson RE,Yu SL,Prakash S,Prakash L

更新日期：2007-10-01 00:00:00

abstract：:We investigated the interaction of phospholipase C-gamma (PLC-gamma) with wild-type and mutant forms of the platelet-derived growth factor (PDGF) beta-receptor both in vivo and in vitro. After PDGF treatment of CHO cell lines expressing wild-type or either of two mutant (delta Ki and Y825F) PDGF receptors, PLC-gamma b...

journal_title：Molecular and cellular biology

authors： Morrison DK,Kaplan DR,Rhee SG,Williams LT

更新日期：1990-05-01 00:00:00

abstract：:The FLP protein of the Saccharomyces cerevisiae plasmid 2 microns circle catalyzes site-specific recombination between two repeated segments present on the plasmid. In this paper we present results of experiments we performed to define more precisely the features of the FLP recognition target site, which we propose to...

journal_title：Molecular and cellular biology

authors： McLeod M,Craft S,Broach JR

更新日期：1986-10-01 00:00:00

abstract：:Glucose release from hepatocytes is important for maintenance of blood glucose levels. Glucose-6-phosphate phosphatase, catalyzing the final metabolic step of gluconeogenesis, faces the endoplasmic reticulum (ER) lumen. Thus, glucose produced in the ER has to be either exported from the ER into the cytosol before rele...

journal_title：Molecular and cellular biology

authors： Fehr M,Takanaga H,Ehrhardt DW,Frommer WB

更新日期：2005-12-01 00:00:00

abstract：:To interrogate genes essential for cell growth, proliferation and survival in human cells, we carried out a genome-wide clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 screen in a B-cell lymphoma line using a custom extended-knockout (EKO) library of 278,754 single-guide RNAs (sgRNAs) that targe...

journal_title：Molecular and cellular biology

authors： Bertomeu T,Coulombe-Huntington J,Chatr-Aryamontri A,Bourdages KG,Coyaud E,Raught B,Xia Y,Tyers M

更新日期：2017-12-13 00:00:00

abstract：:The 12p13 ETV6 (TEL) gene is frequently targeted by chromosomal translocations in human malignancies, resulting in the formation of oncogenic ETV6 gene fusions. Many of the known partner genes encode protein tyrosine kinases (PTKs), generating fusion proteins that function as chimeric PTKs. ETV6-NTRK3 (EN), comprised ...

journal_title：Molecular and cellular biology

authors： Tognon CE,Mackereth CD,Somasiri AM,McIntosh LP,Sorensen PH

更新日期：2004-06-01 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：:The generation of two daughter cells with the same genetic information requires error-free chromosome segregation during mitosis. Chromosome transmission fidelity is dependent on spindle structure/function, which requires Asp1 in the fission yeast Schizosaccharomyces pombe Asp1 belongs to the diphosphoinositol pentaki...

journal_title：Molecular and cellular biology

authors： Pascual-Ortiz M,Saiardi A,Walla E,Jakopec V,Künzel NA,Span I,Vangala A,Fleig U

更新日期：2018-04-16 00:00:00

abstract：:The ATM protein has been implicated in pathways controlling cell cycle checkpoints, radiosensitivity, genetic instability, and aging. Expression of ATM fragments containing a leucine zipper motif in a human tumor cell line abrogated the S-phase checkpoint after ionizing irradiation and enhanced radiosensitivity and ch...

journal_title：Molecular and cellular biology

authors： Morgan SE,Lovly C,Pandita TK,Shiloh Y,Kastan MB

更新日期：1997-04-01 00:00:00

abstract：:Wound healing in certain individuals leads to the development of keloid tumors which exhibit abnormal collagen metabolism and an increased abundance of extracellular matrix components. Comparison of fibronectin levels in fibroblasts derived from keloids and normal dermis revealed a relative increase in intracellular a...

journal_title：Molecular and cellular biology

authors： Babu M,Diegelmann R,Oliver N

更新日期：1989-04-01 00:00:00

abstract：:Meiotic recombination is initiated by the formation of programmed DNA double-strand breaks (DSBs) catalyzed by the Spo11 protein. DSBs are not randomly distributed along chromosomes. To better understand factors that control the distribution of DSBs in budding yeast, we have examined the genome-wide binding and cleava...

journal_title：Molecular and cellular biology

authors： Robine N,Uematsu N,Amiot F,Gidrol X,Barillot E,Nicolas A,Borde V

更新日期：2007-03-01 00:00:00

abstract：:Protein ubiquitination provides an efficient and reversible mechanism to regulate cell cycle progression and checkpoint control. Numerous regulatory proteins direct the addition of ubiquitin to lysine residues on target proteins, and these are countered by an army of deubiquitinating enzymes (DUBs). BRCA1-associated p...

journal_title：Molecular and cellular biology

authors： Misaghi S,Ottosen S,Izrael-Tomasevic A,Arnott D,Lamkanfi M,Lee J,Liu J,O'Rourke K,Dixit VM,Wilson AC

更新日期：2009-04-01 00:00:00