Intramolecular disulfide bonds of the prolactin receptor short form are required for its inhibitory action on the function of the long form of the receptor.

abstract：:Polyoma virus transforms, upon infection or DNA transfection, nonpermissive Fisher rat fibroblasts. Cloned viral DNA was deleted of sequences around the Bg/I site at nucleotide 86 by Bal31 nuclease treatment and then recloned in Escherichia coli. The extent of deletion for each mutant was then determined by DNA sequen...

journal_title：Molecular and cellular biology

authors： Katinka M,Yaniv M

更新日期：1982-10-01 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：:The Saccharomyces cerevisiae mutant ref2-1 (REF = RNA end formation) was originally identified by a genetic strategy predicted to detect decreases in the use of a CYC1 poly(A) site interposed within the intron of an ACT1-HIS4 fusion reporter gene. Direct RNA analysis now proves this effect and also demonstrates the tr...

journal_title：Molecular and cellular biology

authors： Russnak R,Nehrke KW,Platt T

更新日期：1995-03-01 00:00:00

abstract：:We describe a genetic transformation system which should prove useful for investigating tropomyosin assembly and function. Muscle abnormalities associated with a defective tropomyosin allele were corrected by integrating the wild-type gene into germ line chromosomes. The transformation protocol permits application of ...

journal_title：Molecular and cellular biology

authors： Fyrberg EA,Karlik CC

更新日期：1987-08-01 00:00:00

abstract：:Following chromosome duplication in S phase of the cell cycle, the sister chromatids are linked by cohesin. At the onset of anaphase, separase cleaves cohesin and thereby initiates sister chromatid separation. Separase activation results from the destruction of its inhibitor, securin, which is triggered by a ubiquitin...

journal_title：Molecular and cellular biology

authors： Sullivan M,Holt L,Morgan DO

更新日期：2008-09-01 00:00:00

abstract：:A protein with specific affinity for the mRNA cap structure was purified both from the postribosomal supernatant and from the ribosomal high-salt wash of Drosophila melanogaster embryos by m7GTP-Sepharose chromatography. This protein had an apparent molecular mass of 35 kilodaltons (kDa) in sodium dodecyl sulfate-poly...

journal_title：Molecular and cellular biology

authors： Maroto FG,Sierra JM

更新日期：1989-05-01 00:00:00

abstract：:Using PCR-coupled subtractive screening-representational difference analysis, we have cloned a novel gene from AML1-ETO knockin mice. This gene is highly expressed in the yolk sac and fetal liver of the knockin mice. Nucleotide sequence analysis indicates that its cDNA contains an 1,107-bp open reading frame encoding ...

journal_title：Molecular and cellular biology

authors： Liu LQ,Ilaria R Jr,Kingsley PD,Iwama A,van Etten RA,Palis J,Zhang DE

更新日期：1999-04-01 00:00:00

abstract：:We analyzed the impact of a GAGA element on a transgenic promoter in Drosophila melanogaster that was activated by proteins composed of the Tet(on) DNA binding domain and either the heat shock factor (HSF) activation domain or a potent subdomain of VP16. Permanganate footprinting was used to monitor polymerase II (Pol...

journal_title：Molecular and cellular biology

authors： Wang YV,Tang H,Gilmour DS

更新日期：2005-05-01 00:00:00

abstract：:TDP-43, or TAR DNA-binding protein 43, is a pathological marker of a spectrum of neurodegenerative disorders, including amyotrophic lateral sclerosis and frontotemporal lobar degeneration with ubiquitin-positive inclusions. TDP-43 is an RNA/DNA-binding protein implicated in transcriptional and posttranscriptional regu...

journal_title：Molecular and cellular biology

authors： Dewey CM,Cenik B,Sephton CF,Dries DR,Mayer P 3rd,Good SK,Johnson BA,Herz J,Yu G

更新日期：2011-03-01 00:00:00

abstract：:In previous studies, we detected a major, unidentified Egr response element (ERE) binding complex in brain extracts. We now report that this complex contains a truncated isoform of Egr3 generated by use of an alternate translation start site at methionine 106. Furthermore, the ERE binding complex previously thought to...

journal_title：Molecular and cellular biology

authors： O'Donovan KJ,Baraban JM

更新日期：1999-07-01 00:00:00

abstract：:Five mouse alpha-tubulin isotypes are described, each distinguished by the presence of unique amino acid substitutions within the coding region. Most, though not all of these isotype-specific amino acids, are clustered at the carboxy terminus. One of the alpha-tubulin isotypes described is expressed exclusively in tes...

journal_title：Molecular and cellular biology

authors： Villasante A,Wang D,Dobner P,Dolph P,Lewis SA,Cowan NJ

更新日期：1986-07-01 00:00:00

abstract：:We have developed a high-frequency cotransformation system which is useful in introducing nonreplicating circular DNA plasmids into the fission yeast Schizosaccharomyces pombe. This system depends on two factors: the ability of the ural-complementing helper plasmids pFYM2 and pFYM225 to propagate autonomously in S. po...

journal_title：Molecular and cellular biology

authors： Sakai K,Sakaguchi J,Yamamoto M

更新日期：1984-04-01 00:00:00

abstract：:Intestinal alkaline phosphatase (IAP) is the most ancestral of the tissue-specific members of the AP gene family. Several studies have suggested an absorptive function for IAP, but in vivo data to this effect have been lacking. We inactivated the mouse IAP gene in embryo-derived stem cells and generated mice homozygou...

journal_title：Molecular and cellular biology

authors： Narisawa S,Huang L,Iwasaki A,Hasegawa H,Alpers DH,Millán JL

更新日期：2003-11-01 00:00:00

abstract：:Spatial control of cytokinesis is essential for proper cell division. The molecular mechanisms that anchor the dynamic assembly and constriction of the cytokinetic ring at the plasma membrane remain unclear. In the fission yeast Schizosaccharomyces pombe, the cytokinetic ring is assembled in the cell middle from corti...

journal_title：Molecular and cellular biology

authors： Guzman-Vendrell M,Baldissard S,Almonacid M,Mayeux A,Paoletti A,Moseley JB

更新日期：2013-01-01 00:00:00

abstract：:Activation of the Evi-1 zinc finger gene is a common event associated with transformation of murine myeloid leukemias. To characterize the gene product, we developed antisera against various protein domains. These antisera primarily detected a 145-kilodalton nuclear protein that bound double-stranded DNA. Binding was ...

journal_title：Molecular and cellular biology

authors： Matsugi T,Morishita K,Ihle JN

更新日期：1990-03-01 00:00:00

abstract：:We have previously characterized a cloned cDNA coding for a developmentally regulated mRNA in Drosophila melanogaster whose expression is selectively regulated at the translational level during oogenesis and embryogenesis. In this report we show that this translationally regulated mRNA (rpA1) codes for an acidic ribos...

journal_title：Molecular and cellular biology

authors： Kay MA,Jacobs-Lorena M

更新日期：1985-12-01 00:00:00

abstract：:Translation is a fundamental step in gene expression, and translational control is exerted in many developmental processes. Most eukaryotic mRNAs are translated by a cap-dependent mechanism, which requires recognition of the 5'-cap structure of the mRNA by eukaryotic translation initiation factor 4E (eIF4E). eIF4E act...

journal_title：Molecular and cellular biology

authors： Hernández G,Miron M,Han H,Liu N,Magescas J,Tettweiler G,Frank F,Siddiqui N,Sonenberg N,Lasko P

更新日期：2013-08-01 00:00:00

abstract：:Control of RNA turnover is a major, but poorly understood, aspect of gene regulation. In multicellular organisms, progress toward dissecting RNA turnover pathways has been made by defining some cis-acting sequences that function as either regulatory or cleavage targets (J. G. Belasco and G. Brawerman, Control of Messe...

journal_title：Molecular and cellular biology

authors： Bai C,Tolias PP

更新日期：1996-12-01 00:00:00

abstract：:Minisatellite DNA is repetitive DNA with a repeat unit length from 15 to 100 bp. While stable during mitosis, it destabilizes during meiosis, altering both in length and in sequence composition. The basis for this instability is unknown. To investigate the factors controlling minisatellite stability, a minisatellite s...

journal_title：Molecular and cellular biology

authors： Jauert PA,Edmiston SN,Conway K,Kirkpatrick DT

更新日期：2002-02-01 00:00:00

abstract：:Exposure of phosphatidylserine (PS) on the cell surface occurs early during apoptosis and serves as a recognition signal for phagocytes. Clearance of apoptotic cells by a membrane PS receptor is one of the critical anti-inflammatory functions of macrophages. However, the PS binding receptors and their recognition mech...

journal_title：Molecular and cellular biology

authors： Park SY,Kim SY,Jung MY,Bae DJ,Kim IS

更新日期：2008-09-01 00:00:00

abstract：:The Msh2-Msh3 heterodimer recognizes various DNA mispairs, including loops of DNA ranging from 1 to 14 nucleotides and some base-base mispairs. Homology modeling of the mispair-binding domain (MBD) of Msh3 using the related Msh6 MBD revealed that mismatch recognition must be different, even though the MBD folds must b...

journal_title：Molecular and cellular biology

authors： Dowen JM,Putnam CD,Kolodner RD

更新日期：2010-07-01 00:00:00

abstract：:The expressed variant cell surface glycoprotein (VSG) gene of the protozoan parasite Trypanosoma brucei is invariably found at one of several telomeric VSG gene expression sites (ESs). The active ES in variant 118 clone 1 is found on a 1.5-Mb chromosome, and the promoter region is located more than 45 kb upstream of t...

journal_title：Molecular and cellular biology

authors： Gottesdiener KM,Goriparthi L,Masucci JP,Van der Ploeg LH

更新日期：1992-10-01 00:00:00

abstract：:Despite the identification of PBC proteins as cofactors that provide DNA affinity and binding specificity for the HOX homeodomain proteins, HOX proteins do not demonstrate robust activity in transient-transcription assays and few authentic downstream targets have been identified for these putative transcription factor...

journal_title：Molecular and cellular biology

authors： Shen WF,Krishnan K,Lawrence HJ,Largman C

更新日期：2001-11-01 00:00:00

abstract：:Although both osteoblasts and adipocytes have a common origin, i.e., mesenchymal cells, the molecular mechanisms that define the direction of two different lineages are presently unknown. In this study, we investigated the role of a transcription factor, CCAAT/enhancer binding protein beta (C/EBPbeta), and its isoform...

journal_title：Molecular and cellular biology

authors： Hata K,Nishimura R,Ueda M,Ikeda F,Matsubara T,Ichida F,Hisada K,Nokubi T,Yamaguchi A,Yoneda T

更新日期：2005-03-01 00:00:00

abstract：:A mutant of Saccharomyces cerevisiae defective in the S-adenosylmethionine (AdoMet)-dependent methyltransferase step of diphthamide biosynthesis was selected by intracellular expression of the F2 fragment of diphtheria toxin (DT) and shown to belong to complementation group DPH5. The DPH5 gene was cloned, sequenced, a...

journal_title：Molecular and cellular biology

authors： Mattheakis LC,Shen WH,Collier RJ

更新日期：1992-09-01 00:00:00

abstract：:Expression of a multidrug resistance gene (mdr1) and its protein product, P-glycoprotein (Pgp), has been correlated with the onset of multidrug resistance in vitro in human cell lines selected for resistance to chemotherapeutic agents derived from natural products. Expression of this gene has also been observed in nor...

journal_title：Molecular and cellular biology

authors： Bates SE,Mickley LA,Chen YN,Richert N,Rudick J,Biedler JL,Fojo AT

更新日期：1989-10-01 00:00:00

abstract：:Fusion proteins known to activate transcription in vivo were tested for the ability to stimulate transcription in vitro in a recently developed Saccharomyces cerevisiae RNA polymerase II transcription system. One fusion protein, whose activation domain was derived from the herpesvirus transcriptional activator VP16, g...

journal_title：Molecular and cellular biology

authors： Chasman DI,Leatherwood J,Carey M,Ptashne M,Kornberg RD

更新日期：1989-11-01 00:00:00

abstract：:Two alpha-tubulin genes from the budding yeast Saccharomyces cerevisiae were identified and cloned by cross-species DNA homology. Nucleotide sequencing studies revealed that the two genes, named TUB1 and TUB3, encoded gene products of 447 and 445 amino acids, respectively, that are highly homologous to alpha-tubulins ...

journal_title：Molecular and cellular biology

authors： Schatz PJ,Pillus L,Grisafi P,Solomon F,Botstein D

更新日期：1986-11-01 00:00:00

abstract：:Peroxisomal PTS2-dependent matrix protein import starts with the recognition of the PTS2 targeting signal by the import receptor Pex7p. Subsequently, the formed Pex7p/cargo complex is transported from the cytosol to the peroxisomal docking complex, consisting of Pex13p and Pex14p. In Saccharomyces cerevisiae, the latt...

journal_title：Molecular and cellular biology

authors： Stein K,Schell-Steven A,Erdmann R,Rottensteiner H

更新日期：2002-09-01 00:00:00

abstract：:The human fetal G gamma-globin and adult beta-globin genes are expressed in a tissue- and developmental stage-specific pattern in transgenic mice: the G gamma gene in embryonic cells and the beta gene in fetal and adult erythroid cells. Several of the cis-acting DNA sequences thought to be responsible for these patter...

journal_title：Molecular and cellular biology

authors： Perez-Stable C,Costantini F

更新日期：1990-03-01 00:00:00