The Drosophila Hrb98DE locus encodes four protein isoforms homologous to the A1 protein of mammalian heterogeneous nuclear ribonucleoprotein complexes.

abstract：:The expression and distribution of DNA polymerase alpha was measured by cytometry and confocal laser scanning microscopy. Expression was proportional to DNA content in proliferating cells, while only S-phase cells retained DNA polymerase alpha after detergent extraction. Nuclear DNA polymerase alpha binding may be one...

journal_title：Molecular and cellular biology

authors： Stokke T,Erikstein B,Holte H,Funderud S,Steen HB

更新日期：1991-06-01 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：:Deletion analysis was used to identify sequences upstream of the ADH2 gene of Saccharomyces cerevisiae that are required for its regulation. 5' and 3' internal deletions of the ADH2 control region were created in vitro, and the fragments were ligated adjacent to the ADH1 promoter and structural gene. Hybrid genes with...

journal_title：Molecular and cellular biology

authors： Beier DR,Sledziewski A,Young ET

更新日期：1985-07-01 00:00:00

abstract：:It is well established that steroid receptor function requires interaction with coactivators. However, the mechanisms through which steroid receptors elicit precise assembly of coactivator complexes and the way the steroid activation signal is transduced remain elusive. Using a T47D cell line stably integrated with a ...

journal_title：Molecular and cellular biology

authors： Li X,Wong J,Tsai SY,Tsai MJ,O'Malley BW

更新日期：2003-06-01 00:00:00

abstract：:This paper presents a general means of eliminating the function of a single protein without relying on genetic alterations in its structure or level of synthesis. The strategy is based on the inducible cellular expression of neutralizing antibody to inactivate the protein selectively. The feasibility of this approach ...

journal_title：Molecular and cellular biology

authors： Carlson JR

更新日期：1988-06-01 00:00:00

abstract：:The Mauriceville retroplasmid of Neurospora mitochondria encodes a novel reverse transcriptase that initiates cDNA synthesis de novo (i.e., without a primer) at the 3' CCA of the plasmid transcript's 3' tRNA-like structure (H. Wang and A. M. Lambowitz, Cell 75:1071-1081, 1993). Here, we show that the plasmid reverse t...

journal_title：Molecular and cellular biology

authors： Chiang CC,Lambowitz AM

更新日期：1997-08-01 00:00:00

abstract：:We have previously shown that the SIS/platelet-derived growth factor B chain contains a nuclear targeting signal near its C terminus. Here we show that the platelet-derived growth factor A chain also contains a nuclear targeting signal encoded by an exon which is subject to alternative splicing. This sequence is capab...

journal_title：Molecular and cellular biology

authors： Maher DW,Lee BA,Donoghue DJ

更新日期：1989-05-01 00:00:00

abstract：:High-dose estrogen administration induces anemia in mammals. In chickens, estrogens stimulate outgrowth of bone marrow-derived erythroid progenitor cells and delay their maturation. This delay is associated with down-regulation of many erythroid cell-specific genes, including alpha- and beta-globin, band 3, band 4.1, ...

journal_title：Molecular and cellular biology

authors： Blobel GA,Sieff CA,Orkin SH

更新日期：1995-06-01 00:00:00

abstract：:We generated a line of mice in which sterol regulatory element binding protein 1a (SREBP-1a) was specifically inactivated by insertional mutagenesis. Homozygous mutant mice were completely viable despite expressing SREBP-1a mRNA below 5% of normal, and there were minimal effects on expression of either SREBP-1c or -2....

journal_title：Molecular and cellular biology

authors： Im SS,Hammond LE,Yousef L,Nugas-Selby C,Shin DJ,Seo YK,Fong LG,Young SG,Osborne TF

更新日期：2009-09-01 00:00:00

abstract：:Metazoan replication-dependent histone mRNAs are the only eukaryotic mRNAs that are not polyadenylated. The cleavage of histone pre-mRNA to form the unique 3' end requires the U7 snRNP and the stem-loop binding protein (SLBP) that binds the 3' end of histone mRNA. U7 snRNP contains three novel proteins, Lsm10 and Lsm1...

journal_title：Molecular and cellular biology

authors： Wagner EJ,Marzluff WF

更新日期：2006-09-01 00:00:00

abstract：:Selective transcription of the insulin gene in pancreatic beta cells is regulated by its enhancer, located within the 5'-flanking region of the insulin gene. Transcription from the enhancer is controlled by both positive- and negative-acting cellular transcription factors. It was previously shown that both the 243- an...

journal_title：Molecular and cellular biology

authors： Stein RW,Whelan J

更新日期：1989-10-01 00:00:00

abstract：:The PH domain-containing proteins Slm1 and Slm2 were previously identified as effectors of the phosphatidylinositol-4,5-bisphosphate (PI4,5P(2)) and TORC2 signaling pathways. Here, we demonstrate that Slm1 and Slm2 are also targets of sphingolipid signaling during the heat shock response. We show that upon depletion o...

journal_title：Molecular and cellular biology

authors： Daquinag A,Fadri M,Jung SY,Qin J,Kunz J

更新日期：2007-01-01 00:00:00

abstract：:Double-stranded (ds) RNA-specific adenosine deaminase converts adenosine residues into inosines in dsRNA and edits transcripts of certain cellular and viral genes such as glutamate receptor (GluR) subunits and hepatitis delta antigen. The first member of this type of deaminase, DRADA1, has been recently cloned based o...

journal_title：Molecular and cellular biology

authors： Lai F,Chen CX,Carter KC,Nishikura K

更新日期：1997-05-01 00:00:00

abstract：:The HOG (high-osmolarity glycerol) mitogen-activated protein kinase (MAPK) pathway regulates the osmotic stress response in the yeast Saccharomyces cerevisiae. Three type 2C Ser/Thr phosphatases (PTCs), Ptc1, Ptc2, and Ptc3, have been isolated as negative regulators of this pathway. Previously, multicopy expression of...

journal_title：Molecular and cellular biology

authors： Warmka J,Hanneman J,Lee J,Amin D,Ota I

更新日期：2001-01-01 00:00:00

abstract：:The transcription factor LFB1 (HNF1) was initially identified as a regulator of liver-specific gene expression in mammals. It interacts with the promoter element HP1, which is functionally conserved between mammals and amphibians, suggesting that a homologous factor, XLFB1, also exists in Xenopus laevis. To study the ...

journal_title：Molecular and cellular biology

authors： Bartkowski S,Zapp D,Weber H,Eberle G,Zoidl C,Senkel S,Klein-Hitpass L,Ryffel GU

更新日期：1993-01-01 00:00:00

abstract：:As a prominent characteristic of cell life, the regulation of cell quiescence is important for proper development, regeneration, and stress resistance and may play a role in certain degenerative diseases. However, the mechanism underlying quiescence remains largely unknown. Encysted embryos of Artemia are useful for s...

journal_title：Molecular and cellular biology

authors： Dai L,Ye S,Li HW,Chen DF,Wang HL,Jia SN,Lin C,Yang JS,Yang F,Nagasawa H,Yang WJ

更新日期：2017-03-17 00:00:00

abstract：:The on/off state of the binary switch gene Sex-lethal (Sxl), which controls somatic sexual development in Drosophila melanogaster, is regulated at the level of alternative splicing. In males, in which the gene is off, the default splicing machinery produces nonfunctional mRNAs; in females, in which the gene is on, the...

journal_title：Molecular and cellular biology

authors： Horabin JI,Schedl P

更新日期：1993-12-01 00:00:00

abstract：:The APN1 gene of Saccharomyces cerevisiae encodes the major apurinic/apyrimidinic endonuclease and 3'-repair DNA diesterase in yeast cell extracts. The Apn1 protein is a homolog of Escherichia coli endonuclease IV, which functions in the repair of some oxidative and alkylation damages in that organism. We show here th...

journal_title：Molecular and cellular biology

authors： Ramotar D,Popoff SC,Gralla EB,Demple B

更新日期：1991-09-01 00:00:00

abstract：:The muscle LIM protein (MLP) and cofilin 2 (CFL2) are important regulators of striated myocyte function. Mutations in the corresponding genes have been directly associated with severe human cardiac and skeletal myopathies, and aberrant expression patterns have often been observed in affected muscles. Herein, we have i...

journal_title：Molecular and cellular biology

authors： Papalouka V,Arvanitis DA,Vafiadaki E,Mavroidis M,Papadodima SA,Spiliopoulou CA,Kremastinos DT,Kranias EG,Sanoudou D

更新日期：2009-11-01 00:00:00

abstract：:To modulate transcription, regulatory factors communicate with basal transcription factors and/or RNA polymerases in a variety of ways. Previously, it has been reported that RNA polymerase II subunit 5 (RPB5) is one of the targets of hepatitis B virus X protein (HBx) and that both HBx and RPB5 specifically interact wi...

journal_title：Molecular and cellular biology

authors： Dorjsuren D,Lin Y,Wei W,Yamashita T,Nomura T,Hayashi N,Murakami S

更新日期：1998-12-01 00:00:00

abstract：:Checkpoints prevent inaccurate chromosome segregation by inhibiting cell division when errors in mitotic processes are encountered. We used a temperature-sensitive mutation, dbf4, to examine the requirement for DNA replication in establishing mitotic checkpoint arrest. We used gamma-irradiation to induce DNA damage an...

journal_title：Molecular and cellular biology

authors： Tavormina PA,Wang Y,Burke DJ

更新日期：1997-06-01 00:00:00

abstract：:The formation of inosine at the wobble position of eukaryotic tRNAs is an essential modification catalyzed by the ADAT2/ADAT3 complex. In humans, a valine-to-methionine mutation (V144M) in ADAT3 that originated ∼1,600 years ago is the most common cause of autosomal recessive intellectual disability (ID) in Arabia. Whi...

journal_title：Molecular and cellular biology

authors： Ramos J,Han L,Li Y,Hagelskamp F,Kellner SM,Alkuraya FS,Phizicky EM,Fu D

更新日期：2019-09-11 00:00:00

abstract：:Recombination and synapsis of homologous chromosomes are hallmarks of meiosis in many organisms. Meiotic recombination is initiated by Spo11-induced DNA double-strand breaks (DSBs), whereas chromosome synapsis is mediated by a tripartite structure named the synaptonemal complex (SC). Previously, we proposed that buddi...

journal_title：Molecular and cellular biology

authors： Cheng YH,Chuang CN,Shen HJ,Lin FM,Wang TF

更新日期：2013-08-01 00:00:00

abstract：:The expression of three different actin genes in the sea urchin, Strongylocentrotus purpuratus, was monitored in embryos and adult tissues by using untranslated mRNA sequences as specific hybridization probes. Three distinct patterns of expression were found: muscle specific, embryo specific, and constitutive (i.e., p...

journal_title：Molecular and cellular biology

authors： Garcia R,Paz-Aliaga B,Ernst SG,Crain WR Jr

更新日期：1984-05-01 00:00:00

abstract：:We previously observed that nitric oxide (NO) exposure increases the stability of mRNAs encoding heme oxygenase 1 (HO-1) and TIEG-1 in human and mouse fibroblasts. Here, we have used microarrays to look broadly for changes in mRNA stability in response to NO treatment. Using human IMR-90 and mouse NIH 3T3 fibroblasts ...

journal_title：Molecular and cellular biology

authors： Kuwano Y,Rabinovic A,Srikantan S,Gorospe M,Demple B

更新日期：2009-05-01 00:00:00

abstract：:ADR1 is a yeast transcription factor that contains two zinc fingers of the Cys-2-His-2 (C2H2) class. Mutations that change the specificity of DNA binding of ADR1 to its target site, upstream activation sequence 1 (UAS1), have been identified at three positions in the first zinc finger. Mutations Arg-115 to Gln, His-11...

journal_title：Molecular and cellular biology

authors： Thukral SK,Morrison ML,Young ET

更新日期：1992-06-01 00:00:00

abstract：:RNA editing in higher-plant chloroplasts involves C-to-U conversions at specific sites. Although in vivo analyses have been performed, little is known about the biochemical aspects of chloroplast editing reactions. Here we improved our original in vitro system and devised a procedure for preparing active chloroplast e...

journal_title：Molecular and cellular biology

authors： Miyamoto T,Obokata J,Sugiura M

更新日期：2002-10-01 00:00:00

abstract：:The polycomb protein Bmi-1 represses the INK4a locus, which encodes the tumor suppressors p16 and p14(ARF). Here we report that Bmi-1 is downregulated when WI-38 human fibroblasts undergo replicative senescence, but not quiescence, and extends replicative life span when overexpressed. Life span extension by Bmi-1 requ...

journal_title：Molecular and cellular biology

authors： Itahana K,Zou Y,Itahana Y,Martinez JL,Beausejour C,Jacobs JJ,Van Lohuizen M,Band V,Campisi J,Dimri GP

更新日期：2003-01-01 00:00:00

abstract：:We have identified a gene that encodes the polypeptide cytochrome b in the avian malarial parasite Plasmodium gallinaceum. The gene containing the open reading frame was found to be located on a 6.2-kilobase multimeric extrachromosomal element. The amino acid translation from this gene demonstrated significant similar...

journal_title：Molecular and cellular biology

authors： Aldritt SM,Joseph JT,Wirth DF

更新日期：1989-09-01 00:00:00

abstract：:The BamHI restriction enzyme mediates integration of nonhomologous DNA into the Saccharomyces cerevisiae genome (R. H. Schiestl and T. D. Petes, Proc. Natl. Acad. Sci. USA 88:7585-7589, 1991). The present study investigates the mechanism of such events: in particular, the mediating activity of various restriction enzy...

journal_title：Molecular and cellular biology

authors： Manivasakam P,Schiestl RH

更新日期：1998-03-01 00:00:00