Identification and characterization of SAP25, a novel component of the mSin3 corepressor complex.

abstract：:Sequence analysis of a mouse testicular alpha-tubulin partial cDNA, pRD alpha TT1, reveals an isotype that differs from both the somatic and the predominant testicular alpha tubulins at approximately 30% of the 212 amino acid residues determined. Although this mouse testicular cDNA retains the highly conserved sequenc...

journal_title：Molecular and cellular biology

authors： Hecht NB,Distel RJ,Yelick PC,Tanhauser SM,Driscoll CE,Goldberg E,Tung KS

更新日期：1988-02-01 00:00:00

abstract：:The carboxyl-terminal domain (CTD) of RNA polymerase II (Pol II) can be phosphorylated at serine 2 (Ser-2) and serine 5 (Ser-5) of the CTD heptad repeat YSPTSPS, and this phosphorylation is important in coupling transcription to RNA processing, including 5' capping, splicing, and polyadenylation. The mammalian endogen...

journal_title：Molecular and cellular biology

authors： Cheng C,Sharp PA

更新日期：2003-03-01 00:00:00

abstract：:Dyskerin binds the H/ACA box of human telomerase RNA and is a core telomerase subunit required for RNP biogenesis and enzyme function in vivo. Missense mutations in dyskerin result in dyskeratosis congenita, a complex syndrome characterized by bone marrow failure, telomerase enzyme deficiency, and progressive telomere...

journal_title：Molecular and cellular biology

authors： Kannan K,Nelson AD,Shippen DE

更新日期：2008-04-01 00:00:00

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：:P bodies are cytoplasmic RNA granules containing the Dcp1-Dcp2 decapping enzymes where mRNA decay can occur. Here, we describe the characterization of P bodies in the fission yeast Schizosaccharomyces pombe. Most information on the property and function of P bodies stems from studies in the distantly related budding y...

journal_title：Molecular and cellular biology

authors： Wang CY,Chen WL,Wang SW

更新日期：2013-03-01 00:00:00

abstract：:We isolated a Drosophila fickleP (ficP) mutant with a shortened copulatory duration and reduced adult-stage life span. The reduced copulatory duration is ascribable to incomplete fusion of the left and right halves of the apodeme that holds the penis during copulation. ficP is an intronic mutation occurring in the Btk...

journal_title：Molecular and cellular biology

authors： Baba K,Takeshita A,Majima K,Ueda R,Kondo S,Juni N,Yamamoto D

更新日期：1999-06-01 00:00:00

abstract：:Nutritional excess and/or obesity represent well-known predisposition factors for the development of non-insulin-dependent diabetes mellitus (NIDDM). However, molecular links between obesity and NIDDM are only beginning to emerge. Here, we demonstrate that nutrients suppress phosphatidylinositol 3 (PI3)-kinase/Akt sig...

journal_title：Molecular and cellular biology

authors： Tzatsos A,Kandror KV

更新日期：2006-01-01 00:00:00

abstract：:A cDNA sequence which contains the entire coding region for human purine nucleoside phosphorylase (PNP) was recombined for selection and expression in mammalian cells. Plasmids containing either the simian virus 40 early promoter or the mouse metallothionein promoter positioned just upstream of the PNP coding sequence...

journal_title：Molecular and cellular biology

authors： McIvor RS,Goddard JM,Simonsen CC,Martin DW Jr

更新日期：1985-06-01 00:00:00

abstract：:The pancreatic-islet-enriched transcription factors MafA and MafB have unique expression patterns in β cells in rodents. MafA is specifically expressed in β cells and is a key regulatory factor for maintaining adult β-cell function, whereas MafB plays an essential role in β-cell development during embryogenesis, and i...

journal_title：Molecular and cellular biology

authors： Xiafukaiti G,Maimaiti S,Ogata K,Kuno A,Kudo T,Shawki HH,Oishi H,Takahashi S

更新日期：2019-08-12 00:00:00

abstract：:Chondromodulin I (chm-I), a type II transmembrane protein, is highly expressed in the avascular zones of cartilage but is downregulated in the hypertrophic region, which is invaded by blood vessels during enchondral ossification. In vitro and in vivo assays with the purified protein have shown chondrocyte-modulating a...

journal_title：Molecular and cellular biology

authors： Brandau O,Aszódi A,Hunziker EB,Neame PJ,Vestweber D,Fässler R

更新日期：2002-09-01 00:00:00

abstract：:We used transformation to insert a selectable marker at various sites in the Saccharomyces cerevisiae genome occupied by the transposable element Ty. The vector CV9 contains the LEU2+ gene and a portion of the repeated element Ty1-17. Transformation with this plasmid resulted in integration of the vector via a recipro...

journal_title：Molecular and cellular biology

authors： Klein HL,Petes TD

更新日期：1984-02-01 00:00:00

abstract：:Entry into mitosis is controlled by the cyclin-dependent kinase CDK1 and can be delayed in response to DNA damage. In some systems, such G(2)/M arrest has been shown to reflect the stabilization of inhibitory phosphorylation sites on CDK1. In human cells, full G(2) arrest appears to involve additional mechanisms. We d...

journal_title：Molecular and cellular biology

authors： Badie C,Itzhaki JE,Sullivan MJ,Carpenter AJ,Porter AC

更新日期：2000-04-01 00:00:00

abstract：:The expression of CD154 (CD40 ligand) by activated T lymphocytes plays a central role in humoral and cellular immunity. The fundamental importance of this protein in mounting an immune response has made it an attractive target for immunomodulation. Several studies have demonstrated that CD154 expression is regulated a...

journal_title：Molecular and cellular biology

authors： Hamilton BJ,Genin A,Cron RQ,Rigby WF

更新日期：2003-01-01 00:00:00

abstract：:The product of the Saccharomyces cerevisiae nuclear gene PET494 is required to promote the translation of the mitochondrial mRNA encoding cytochrome c oxidase subunit III (coxIII). The level of cytochrome c oxidase activity is affected by several different environmental conditions, which also influence coxIII expressi...

journal_title：Molecular and cellular biology

authors： Marykwas DL,Fox TD

更新日期：1989-02-01 00:00:00

abstract：:Murine embryonic stem (ES) cells are defined by continuous self-renewal and pluripotency. A diverse repertoire of protein isoforms arising from alternative splicing is expressed in ES cells without defined biological roles. Sall4, a transcription factor essential for pluripotency, exists as two isoforms (Sall4a and Sa...

journal_title：Molecular and cellular biology

authors： Rao S,Zhen S,Roumiantsev S,McDonald LT,Yuan GC,Orkin SH

更新日期：2010-11-01 00:00:00

abstract：:Initiation of T-lymphocyte-mediated immune responses involves two cellular processes: entry into the cell cycle (G(0)-->G(1)) for clonal proliferation and coordinated changes in surface and secreted molecules that mediate effector functions. However, a point during G(0)-->G(1) beyond which T cells are committed to ent...

journal_title：Molecular and cellular biology

authors： Lea NC,Orr SJ,Stoeber K,Williams GH,Lam EW,Ibrahim MA,Mufti GJ,Thomas NS

更新日期：2003-04-01 00:00:00

abstract：:Mammalian cell growth is governed by regulatory activities that include the products of genes such as c-myc and ras that act early in G1, as well as the E2F family of transcription factors that accumulate later in G1 to regulate the expression of genes involved in DNA replication. Previous work has shown that the expr...

journal_title：Molecular and cellular biology

authors： Sears R,Ohtani K,Nevins JR

更新日期：1997-09-01 00:00:00

abstract：:A novel protein, p55CDC, has been identified in cycling mammalian cells. This transcript is readily detectable in all exponentially growing cell lines but disappears when cells are chemically induced to fall out of the cell cycle and differentiate. The p55CDC protein appears to be essential for cell division, since tr...

journal_title：Molecular and cellular biology

authors： Weinstein J,Jacobsen FW,Hsu-Chen J,Wu T,Baum LG

更新日期：1994-05-01 00:00:00

abstract：:Heterochromatin protein 1 (HP1) is a conserved chromosomal protein with important roles in chromatin packaging and gene silencing. In fission yeast, two HP1 family proteins, Swi6 and Chp2, are involved in transcriptional silencing at heterochromatic regions, but how they function and whether they act cooperatively or ...

journal_title：Molecular and cellular biology

authors： Sadaie M,Kawaguchi R,Ohtani Y,Arisaka F,Tanaka K,Shirahige K,Nakayama J

更新日期：2008-12-01 00:00:00

abstract：:Insulin stimulation of differentiated 3T3-L1 adipocytes or Chinese hamster ovary cells expressing high levels of the insulin receptor resulted in a time-dependent decrease in the electrophoretic mobility of SOS on sodium dodecyl sulfate-polyacrylamide gels. The reduction in SOS mobility was completely reversed by alka...

journal_title：Molecular and cellular biology

authors： Waters SB,Yamauchi K,Pessin JE

更新日期：1995-05-01 00:00:00

abstract：:The PHR1 gene of Saccharomyces cerevisiae encodes a photolyase which repairs specifically and exclusively pyrimidine dimers, the most frequent lesions induced in DNA by far-UV radiation. We have asked whether expression of PHR1 is modulated in response to UV-induced DNA damage and to DNA-damaging agents that induce le...

journal_title：Molecular and cellular biology

authors： Sebastian J,Kraus B,Sancar GB

更新日期：1990-09-01 00:00:00

abstract：:rRNA transcription in Xenopus laevis terminates near a 7-base-pair (bp) conserved sequence (T3 box) located 200 bp upstream of the site of transcription initiation for the adjacent gene promoter. We present evidence here that a 12-bp element containing the T3 box is an essential part of the terminator. Using an oocyte...

journal_title：Molecular and cellular biology

authors： Labhart P,Reeder RH

更新日期：1987-05-01 00:00:00

abstract：:In the present study we have analyzed the genetic regulation of increased expression of transformation-associated traits, a process termed progression, in adenovirus type 5 (Ad5)-transformed secondary rat embryo cells. Somatic cell hybrids were formed between a highly progressed neomycin-resistant Ad5-transformed clon...

journal_title：Molecular and cellular biology

authors： Duigou GJ,Babiss LE,Iman DS,Shay JW,Fisher PB

更新日期：1990-05-01 00:00:00

abstract：:The neutral/neutral two-dimensional (2-D) gel replicon mapping technique has been used to great advantage to localize and characterize origins of replication. Interestingly, many yeast origins display a composite pattern consisting of both a bubble arc and a single-fork arc. Moreover, in every instance in which neutra...

journal_title：Molecular and cellular biology

authors： Kalejta RF,Hamlin JL

更新日期：1996-09-01 00:00:00

abstract：:Eight strains of Chinese hamster ovary (CHO) cells having an assembly-defective beta-tubulin were found among revertants of strain Cmd 4, a mutant with a conditional lethal mutation in a beta-tubulin gene (F. Cabral, M. E. Sobel, and M. M. Gottesman, Cell 20:29-36, 1980). The altered beta-tubulins in these strains hav...

journal_title：Molecular and cellular biology

authors： Boggs B,Cabral F

更新日期：1987-08-01 00:00:00

abstract：:Frk/rak belongs to a novel family of Src kinases with epithelial tissue-specific expression. Although developmental expression patterns and functional overexpression in vitro have associated these kinases with growth suppression and differentiation, their physiological functions remain largely unknown. We therefore ge...

journal_title：Molecular and cellular biology

authors： Chandrasekharan S,Qiu TH,Alkharouf N,Brantley K,Mitchell JB,Liu ET

更新日期：2002-07-01 00:00:00

abstract：:We characterized a temperature-sensitive mutant of Saccharomyces cerevisiae in which a mini-chromosome was unstable at a high temperature and cloned a new gene which encodes a basic and hydrophilic protein (110 kDa). The disruption of this gene caused the same temperature-sensitive growth as the original mutation. By ...

journal_title：Molecular and cellular biology

authors： Yashiroda H,Oguchi T,Yasuda Y,Toh-E A,Kikuchi Y

更新日期：1996-07-01 00:00:00

abstract：:Recent research has identified critical roles for microRNAs in a large number of cellular processes, including tumorigenic transformation. While significant progress has been made towards understanding the mechanisms of gene regulation by microRNAs, much less is known about factors affecting the expression of these no...

journal_title：Molecular and cellular biology

authors： Kulshreshtha R,Ferracin M,Wojcik SE,Garzon R,Alder H,Agosto-Perez FJ,Davuluri R,Liu CG,Croce CM,Negrini M,Calin GA,Ivan M

更新日期：2007-03-01 00:00:00

abstract：:The estrogen receptor (ER) modulates transcription by forming complexes with other proteins and then binding to the estrogen response element (ERE). We have identified a novel interaction of this receptor with the POU transcription factors Brn-3a and Brn-3b which was independent of ligand binding. By pull-down assays ...

journal_title：Molecular and cellular biology

authors： Budhram-Mahadeo V,Parker M,Latchman DS

更新日期：1998-02-01 00:00:00

abstract：:The c-Jun NH(2)-terminal kinase (JNK) group of mitogen-activated protein kinases (MAPKs) is activated in response to the treatment of cells with inflammatory cytokines and by exposure to environmental stress. JNK activation is mediated by a protein kinase cascade composed of a MAPK kinase and a MAPK kinase kinase. Her...

journal_title：Molecular and cellular biology

authors： Kelkar N,Gupta S,Dickens M,Davis RJ

更新日期：2000-02-01 00:00:00