The DNA repair protein yKu80 regulates the function of recombination enhancer during yeast mating type switching.

abstract：:Oncogenic activation of the mitogen-activated protein (MAP) kinase cascade in murine fibroblasts initiates a senescence-like cell cycle arrest that depends on the ARF/p53 tumor suppressor pathway. To investigate whether p53 is sufficient to induce senescence, we introduced a conditional murine p53 allele (p53(val135))...

journal_title：Molecular and cellular biology

authors： Ferbeyre G,de Stanchina E,Lin AW,Querido E,McCurrach ME,Hannon GJ,Lowe SW

更新日期：2002-05-01 00:00:00

abstract：:The roles of PDZ domain-containing proteins such as Dlg and Scrib have been well described for Drosophila; however, their requirement for mammalian development is poorly understood. Here we show that Dlg, Scrib, MAGI1, MAGI3, and MPDZ are expressed in the mouse ocular lens. We demonstrate that the increase in prolifer...

journal_title：Molecular and cellular biology

authors： Nguyen MM,Nguyen ML,Caruana G,Bernstein A,Lambert PF,Griep AE

更新日期：2003-12-01 00:00:00

abstract：:Thyroid hormone receptors are encoded by the TRalpha (NR1A1) and TRbeta (NR1A2) loci. These genes are transcribed into multiple variants whose functions are unclear. Analysis by gene inactivation in mice has provided new insights into the functional complexity of these products. Different strategies designed to modify...

journal_title：Molecular and cellular biology

authors： Gauthier K,Plateroti M,Harvey CB,Williams GR,Weiss RE,Refetoff S,Willott JF,Sundin V,Roux JP,Malaval L,Hara M,Samarut J,Chassande O

更新日期：2001-07-01 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：:Members of the Myc family of proteins share a number of protein motifs that are found in regulators of gene transcription. Conserved stretches of amino acids found in the N-terminal transcriptional activation domain of c-Myc are required for cotransforming activity. Most of the Myc proteins contain the basic helix-loo...

journal_title：Molecular and cellular biology

authors： Barrett J,Birrer MJ,Kato GJ,Dosaka-Akita H,Dang CV

更新日期：1992-07-01 00:00:00

abstract：:The RNA-binding protein (RBP) nucleolin promotes the expression of several proliferative proteins. Nucleolin levels are high in cancer cells, but the mechanisms that control nucleolin expression are unknown. Here, we show that nucleolin abundance is controlled posttranscriptionally via factors that associate with its ...

journal_title：Molecular and cellular biology

authors： Tominaga K,Srikantan S,Lee EK,Subaran SS,Martindale JL,Abdelmohsen K,Gorospe M

更新日期：2011-10-01 00:00:00

abstract：:Using competition mobility shift, methylation interference, and proteolytic clipping DNA binding assays, we demonstrate that the protein binding the major histocompatibility complex A beta CCAAT box is indistinguishable from the protein previously named NF-Y, which binds the major histocompatibility complex E alpha CC...

journal_title：Molecular and cellular biology

authors： Kern MJ,Woodward JG

更新日期：1991-01-01 00:00:00

abstract：:The steroid hormone progesterone acts via high-affinity nuclear receptors that interact with specific DNA sequences located near the promoter of the hormone-responsive gene. Recent studies suggested that the hormone-occupied progesterone receptor (PR) mediates gene activation by recruiting a cellular coregulatory fact...

journal_title：Molecular and cellular biology

authors： Xu Y,Klein-Hitpass L,Bagchi MK

更新日期：2000-03-01 00:00:00

abstract：:Mutation in the REC2 gene of Ustilago maydis leads to defects in DNA repair, recombination, and meiosis. Analysis of the primary sequence of the Rec2 protein reveals a region with significant homology to bacterial RecA protein and to the yeast recombination proteins Dmc1, Rad51, and Rad57. This homologous region in th...

journal_title：Molecular and cellular biology

authors： Rubin BP,Ferguson DO,Holloman WK

更新日期：1994-09-01 00:00:00

abstract：:The gene coding for the most abundant antifreeze protein (AFP) in the winter flounder was placed downstream of the Drosophila melanogaster hsp70 promoter and introduced into the D. melanogaster germ line by P-element-mediated transformation. In each of six transgenic strains tested, heat shock treatment induced the ex...

journal_title：Molecular and cellular biology

authors： Rancourt DE,Walker VK,Davies PL

更新日期：1987-06-01 00:00:00

abstract：:Cell fate specification requires precise coordination of transcription factors and their regulators to achieve fidelity and flexibility in lineage allocation. The transcriptional repressor growth factor independence 1 (GFI1) is comprised of conserved Snail/Slug/Gfi1 (SNAG) and zinc finger motifs separated by a linker ...

journal_title：Molecular and cellular biology

authors： Andrade D,Velinder M,Singer J,Maese L,Bareyan D,Nguyen H,Chandrasekharan MB,Lucente H,McClellan D,Jones D,Sharma S,Liu F,Engel ME

更新日期：2016-05-02 00:00:00

abstract：:The Rb protein is known to exert its activity at decision points in the G1 phase of the cell cycle. To investigate whether it may also play some role(s) at later points in the cell cycle, we used a system of rapid inducible gene amplification to conditionally overexpress Rb protein during G2 phase. A cell line express...

journal_title：Molecular and cellular biology

authors： Karantza V,Maroo A,Fay D,Sedivy JM

更新日期：1993-11-01 00:00:00

abstract：:Interleukin-2 (IL-2) activates several different families of tyrosine kinases, but precisely how these kinases interact is not completely understood. We therefore investigated the functional relationships among Jak3, Lck, and Syk in IL-2 signaling. We first observed that in the absence of Jak3, both Lck and Syk had th...

journal_title：Molecular and cellular biology

authors： Zhou YJ,Magnuson KS,Cheng TP,Gadina M,Frucht DM,Galon J,Candotti F,Geahlen RL,Changelian PS,O'Shea JJ

更新日期：2000-06-01 00:00:00

abstract：:Ubiquitin is a multifunctional 76-amino-acid protein which plays critical roles in many aspects of cellular metabolism. In Caenorhabditis elegans, the major source of ubiquitin RNA is the polyubiquitin locus, UbiA. UbiA is transcribed as a polycistronic mRNA which contains 11 tandem repeats of ubiquitin sequence and p...

journal_title：Molecular and cellular biology

authors： Graham RW,Jones D,Candido EP

更新日期：1989-01-01 00:00:00

abstract：:The enhancer of yellow 1 gene, e(y)1, of Drosophila melanogaster has been cloned and demonstrated to encode the TAFII40 protein. The e(y)1 gene is expressed in females much more strongly than in males due to the accumulation of e(y)1 mRNA in the ovaries. Two different e(y)1 mutations have been obtained. The e(y)1(ul) ...

journal_title：Molecular and cellular biology

authors： Soldatov A,Nabirochkina E,Georgieva S,Belenkaja T,Georgiev P

更新日期：1999-05-01 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：:Thrombin stimulation of platelets induces a transient increase in the specific activity of pp60c-src followed by a redistribution of pp60c-src to the Triton X-100-insoluble, cytoskeleton-rich fraction. Concomitant with the observed increase in pp60c-src activity was a rapid dephosphorylation of tyrosine 527 in 10 to 1...

journal_title：Molecular and cellular biology

authors： Clark EA,Brugge JS

更新日期：1993-03-01 00:00:00

abstract：:Cells construct a number of plasma membrane structures to meet a range of physiological demands. Driven by juxtamembrane actin machinery, these actin-based membrane protrusions are essential for the operation and maintenance of cellular life. They are required for diverse cellular functions, such as directed cell moti...

journal_title：Molecular and cellular biology

authors： Hoon JL,Wong WK,Koh CG

更新日期：2012-11-01 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：:MOT1 is an essential Saccharomyces cerevisiae protein and a member of the SNF2/SWI2 family of ATPases. MOT1 functions by removing TATA-binding protein (TBP) from DNA, and as a consequence, MOT1 can regulate transcription both in vitro and in vivo. Here we describe the in vivo and in vitro activities of MOT1 deletion a...

journal_title：Molecular and cellular biology

authors： Auble DT,Wang D,Post KW,Hahn S

更新日期：1997-08-01 00:00:00

abstract：:A complex pattern of regulation of the cartilage matrix protein gene was revealed by transient expression experiments. A minimal promoter from positions -15 to +64 functioned in chondrocytes and fibroblasts. An enhancer located in the first intron exerted chondrocyte-specific stimulation on the minimal promoter activi...

journal_title：Molecular and cellular biology

authors： Kiss I,Bösze Z,Szabó P,Altanchimeg R,Barta E,Deák F

更新日期：1990-05-01 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：:Studies were undertaken to determine the effect of the Ras suppressor Rsu-1 on Ras signal transduction pathways in two different cell backgrounds. An expression vector containing the mouse rsu-1 cDNA under the control of a mouse mammary tumor virus promoter was introduced into NIH 3T3 cells and the pheochromocytoma ce...

journal_title：Molecular and cellular biology

authors： Masuelli L,Cutler ML

更新日期：1996-10-01 00:00:00

abstract：:The proto-oncogene c-myb is essential for a controlled balance between cell growth and differentiation. Aberrant c-Myb activity has been reported for numerous human cancers, and enforced c-Myb transcription can transform cells of lymphoid origin by stimulating cellular proliferation and inhibiting apoptotic pathways. ...

journal_title：Molecular and cellular biology

authors： Nicot C,Mahieux R,Pise-Masison C,Brady J,Gessain A,Yamaoka S,Franchini G

更新日期：2001-11-01 00:00:00

abstract：:2-Aminopurine (2-AP) inhibits specific kinases that phosphorylate the alpha subunit of eukaryotic translation initiation factor 2. One of these, PKR, is also involved in signal transduction. We show here that 2-AP selectively inhibits expression of tumor necrosis factor alpha (TNF-alpha) mRNA in primary human lymphoid...

journal_title：Molecular and cellular biology

authors： Jarrous N,Osman F,Kaempfer R

更新日期：1996-06-01 00:00:00

abstract：:Sequence data are presented for the Saccharomyces cerevisiae TAP1 gene and for a mutant allele, tap1-1, that activates transcription of the promoter-defective yeast SUP4 tRNA(Tyr) allele SUP4A53T61. The degree of in vivo activation of this allele by tap1-1 is strongly affected by the nature of the flanking DNA sequenc...

journal_title：Molecular and cellular biology

authors： Aldrich TL,Di Segni G,McConaughy BL,Keen NJ,Whelen S,Hall BD

更新日期：1993-06-01 00:00:00

abstract：:4.5S RNA is a group of RNAs 90 to 94 nucleotides long (length polymorphism due to a varying number of UMP residues at the 3' end) that form hydrogen bonds with poly(A)-terminated RNAs isolated from mouse, hamster, or rat cells (W. R. Jelinek and L. Leinwand, Cell 15:205-214, 1978; F. Harada, N. Kato, and H.-O. Hoshino...

journal_title：Molecular and cellular biology

authors： Schoeniger LO,Jelinek WR

更新日期：1986-05-01 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：:A retroviral vector system was developed to study the retrotransposition of RNAs lacking all cis-acting sequences required for normal retroviral replication. Our experiments indicate that such RNAs can be encapsidated in retroviral proteins, reverse transcribed, and integrated to form functional cDNA genes in infected...

journal_title：Molecular and cellular biology

authors： Dornburg R,Temin HM

更新日期：1988-06-01 00:00:00

abstract：:The HOX11 homeobox gene was first identified through studies of the t(7;10) and t(10;14) chromosomal translocations of acute T-cell leukemia. In addition, analysis of Hox11-/- mice has demonstrated a critical role for this gene in murine spleen development. A possible mode of in vivo function for the HOX11 protein in ...

journal_title：Molecular and cellular biology

authors： Masson N,Greene WK,Rabbitts TH

更新日期：1998-06-01 00:00:00