Selective signaling by Akt1 controls osteoblast differentiation and osteoblast-mediated osteoclast development.

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：:Saccharomyces cerevisiae contains eight members of a novel and fungus-specific family of bZIP proteins that is defined by four atypical residues on the DNA-binding surface. Two of these proteins, Yap1 and Yap2, are transcriptional activators involved in pleiotropic drug resistance. Although initially described as AP-1...

journal_title：Molecular and cellular biology

authors： Fernandes L,Rodrigues-Pousada C,Struhl K

更新日期：1997-12-01 00:00:00

abstract：:RAG1 and RAG2 catalyze the first DNA cleavage steps in V(D)J recombination. We demonstrate that the isolated central domain of RAG1 has inherent single-stranded (ss) DNA cleavage activity, which does not require, but is enhanced by, RAG2. The central domain, therefore, contains the active-site residues necessary to pe...

journal_title：Molecular and cellular biology

authors： De P,Peak MM,Rodgers KK

更新日期：2004-08-01 00:00:00

abstract：:Using in vitro replication assays, we compared native with salt-treated simian virus 40 minichromosomes isolated from infected cell nuclei. Minichromosomes from both preparations contain the full complement of nucleosomes, but salt treatment removes histone H1 and a fraction of nonhistone chromatin proteins. Both type...

journal_title：Molecular and cellular biology

authors： Krude T,de Maddalena C,Knippers R

更新日期：1993-02-01 00:00:00

abstract：:Using a hybridoma cell line which secretes hapten-specific immunoglobulin M (IgM), we have isolated a variety of mutants which produce abnormal immunoglobulin. Immunoglobulin was tested for the size and composition of the component heavy and light chains and for variable and constant region related functional and sero...

journal_title：Molecular and cellular biology

authors： Shulman MJ,Heusser C,Filkin C,Köhler G

更新日期：1982-09-01 00:00:00

abstract：:Swi4 and Swi6 form a complex which is required for Start-dependent activation of HO and for high-level expression of G1 cyclin genes CLN1 and CLN2. To identify other regulators of this pathway, we screened for dominant, recessive, conditional, and allele-specific suppressors of swi4 mutants. We isolated 16 recessive s...

journal_title：Molecular and cellular biology

authors： Lycan D,Mikesell G,Bunger M,Breeden L

更新日期：1994-11-01 00:00:00

abstract：:The locus control region (LCR) regulates transcription of the downstream beta-like globin genes 10 to 50 kb away. Among hypersensitive sites HS4, -3, -2, and -1, which define the LCR in erythroid cells, HS2 possesses prominent enhancer function. The mechanism by which the HS2 enhancer and other functional components o...

journal_title：Molecular and cellular biology

authors： Kong S,Bohl D,Li C,Tuan D

更新日期：1997-07-01 00:00:00

abstract：:The chaperone-related AAA ATPase Cdc48 (p97/VCP in higher eukaryotes) segregates ubiquitylated proteins for subsequent degradation by the 26S proteasome or for nonproteolytic fates. The specific outcome of Cdc48 activity is controlled by the evolutionary conserved cofactors Ufd2 and Ufd3, which antagonistically regula...

journal_title：Molecular and cellular biology

authors： Böhm S,Lamberti G,Fernández-Sáiz V,Stapf C,Buchberger A

更新日期：2011-04-01 00:00:00

abstract：:The level of phosphotyrosine in vinculin was determined in chicken embryo fibroblasts transformed by various strains of avian sarcoma virus. As previously reported (Sefton et al., Cell 24:165-174, 1981), vinculin was phosphorylated at tyrosine residues in most cultures examined, but the level varied greatly and no det...

journal_title：Molecular and cellular biology

authors： Antler AM,Greenberg ME,Edelman GM,Hanafusa H

更新日期：1985-01-01 00:00:00

abstract：:Illegitimate recombination events in mammalian cells often contain extraneous nucleotides or filler DNA at the recombinant joins. The polyomavirus-transformed cell line 7axB has previously been found to contain 37 base pairs (bp) of filler DNA at one virus-host join of the single insert of integrated viral DNA (A. Hay...

journal_title：Molecular and cellular biology

authors： Williams TJ,Fried M

更新日期：1986-06-01 00:00:00

abstract：:In the yeast Saccharomyces cerevisiae, the CDC25 gene product activates adenylate cyclase through RAS1 and RAS2 gene products. We have recently described the cloning of a DNA fragment which suppresses the cdc25 mutation but not ras1, ras2, or cdc35 mutations. This fragment contains a 5'-truncated open reading frame wh...

journal_title：Molecular and cellular biology

authors： Damak F,Boy-Marcotte E,Le-Roscouet D,Guilbaud R,Jacquet M

更新日期：1991-01-01 00:00:00

abstract：:DHTKD1, a part of 2-ketoadipic acid dehydrogenase complex, is involved in lysine and tryptophan catabolism. Mutations in DHTKD1 block the metabolic pathway and cause 2-aminoadipic and 2-oxoadipic aciduria (AMOXAD), an autosomal recessive inborn metabolic disorder. In addition, a nonsense mutation in DHTKD1 that we ide...

journal_title：Molecular and cellular biology

authors： Xu WY,Zhu H,Shen Y,Wan YH,Tu XD,Wu WT,Tang L,Zhang HX,Lu SY,Jin XL,Fei J,Wang ZG

更新日期：2018-06-14 00:00:00

abstract：:Tristetraprolin (TTP) is a tandem CCCH zinc finger protein that was identified through its rapid induction by mitogens in fibroblasts. Studies of TTP-deficient mice and cells derived from them showed that TTP could bind to certain AU-rich elements in mRNAs, leading to increases in the rates of mRNA deadenylation and d...

journal_title：Molecular and cellular biology

authors： Lai WS,Parker JS,Grissom SF,Stumpo DJ,Blackshear PJ

更新日期：2006-12-01 00:00:00

abstract：:Transcriptional coactivators play a crucial role in gene expression by communicating between regulatory factors and the basal transcription machinery. The coactivator multiprotein bridging factor 1 (MBF1) was originally identified as a bridging molecule that connects the Drosophila nuclear receptor FTZ-F1 and TATA-bin...

journal_title：Molecular and cellular biology

authors： Takemaru K,Harashima S,Ueda H,Hirose S

更新日期：1998-09-01 00:00:00

abstract：:We have examined the interaction of transcription factors TFIIIC and TFIIID with a silkworm alanine tRNA gene. Previous functional analysis showed that the promoter for this gene is unusually large compared with the classical tRNA promoter elements (the A and B boxes) and includes sequences downstream from the transcr...

journal_title：Molecular and cellular biology

authors： Young LS,Rivier DH,Sprague KU

更新日期：1991-03-01 00:00:00

abstract：:Histone methylation at H3K4 and H3K36 is commonly associated with genes actively transcribed by RNA polymerase II (RNAPII) and is catalyzed by Saccharomyces cerevisiae Set1 and Set2, respectively. Here we report that both methyltransferases can be UV cross-linked to RNA in vivo High-throughput sequencing of the bound ...

journal_title：Molecular and cellular biology

authors： Sayou C,Millán-Zambrano G,Santos-Rosa H,Petfalski E,Robson S,Houseley J,Kouzarides T,Tollervey D

更新日期：2017-06-29 00:00:00

abstract：:We have cloned and characterized the gene encoding the late histone H1-beta subtype from the sea urchin Strongylocentrotus purpuratus. The gene contains all of the upstream sequence homologies previously seen in late H1-gamma genes. The expression of H1-beta mRNA is coordinated with that of H1-gamma mRNA, and like H1-...

journal_title：Molecular and cellular biology

authors： Lai ZC,Childs G

更新日期：1988-04-01 00:00:00

abstract：:The transcription factor family of nuclear factor I (NFI) proteins is encoded by four closely related genes: Nfia, Nfib, Nfic, and Nfix. A potential role for NFI proteins in regulating developmental processes has been implicated by their specific expression pattern during embryonic development and by analysis of NFI-d...

journal_title：Molecular and cellular biology

authors： Driller K,Pagenstecher A,Uhl M,Omran H,Berlis A,Gründer A,Sippel AE

更新日期：2007-05-01 00:00:00

abstract：:A key step in homologous recombination is the loading of Rad51 onto single-stranded DNA to form a nucleoprotein filament that promotes homologous DNA pairing and strand exchange. Mediator proteins, such as Rad52 and Rad55-Rad57, are thought to aid filament assembly by overcoming an inhibitory effect of the single-stra...

journal_title：Molecular and cellular biology

authors： Osman F,Dixon J,Barr AR,Whitby MC

更新日期：2005-09-01 00:00:00

abstract：:Previous investigations have defined three upstream activation elements--CCAC, A/T, and TATA sequences--necessary for muscle-specific transcription of the myoglobin gene. In the present study, we demonstrate that these three sequences elements, prepared as synthetic oligonucleotide cassettes, function synergistically ...

journal_title：Molecular and cellular biology

authors： Grayson J,Williams RS,Yu YT,Bassel-Duby R

更新日期：1995-04-01 00:00:00

abstract：:In the mouse mammary tumor virus promoter, a tandem of octamer motifs, recognized by ubiquitous and tissue-restricted Oct transcription factors, is located upstream of the TATA box and next to a binding site for the transcription factor nuclear factor I (NF-I). Their function was investigated with mutant long terminal...

journal_title：Molecular and cellular biology

authors： Buetti E

更新日期：1994-02-01 00:00:00

abstract：:Flap endonuclease 1 (FEN1) has been shown to remove 5' overhanging flap intermediates during base excision repair and to process the 5' ends of Okazaki fragments during lagging-strand DNA replication in vitro. To assess the in vivo role of the mammalian enzyme in repair and replication, we used a gene-targeting approa...

journal_title：Molecular and cellular biology

authors： Larsen E,Gran C,Saether BE,Seeberg E,Klungland A

更新日期：2003-08-01 00:00:00

abstract：:Somatic cell nuclear cloning has repeatedly demonstrated striking reversibility of epigenetic regulation of cell differentiation. Upon injection into eggs, the donor nuclei exhibit global chromatin decondensation, which might contribute to reprogramming the nuclei by derepressing dormant genes. Decondensation of sperm...

journal_title：Molecular and cellular biology

authors： Tamada H,Van Thuan N,Reed P,Nelson D,Katoku-Kikyo N,Wudel J,Wakayama T,Kikyo N

更新日期：2006-02-01 00:00:00

abstract：:Mutant strain d48 of Paramecium tetraurelia lacks the gene for antigen A in the macronucleus, whereas this gene is present in the micronucleus. Transfer of macronucleoplasm from the wild type to strain d48 caused d48 to revert to the wild type after autogamy. Transfer of cytoplasm was not as effective as transfer of m...

journal_title：Molecular and cellular biology

authors： Harumoto T

更新日期：1986-10-01 00:00:00

abstract：:T-lymphocyte stimulation requires activation of several protein kinases, including the major phorbol ester receptor protein kinase C (PKC), ultimately leading to induction of lymphokines, such as interleukin-2 (IL-2). The revelant PKC isoforms which are involved in the activation cascades of nuclear transcription fact...

journal_title：Molecular and cellular biology

authors： Baier-Bitterlich G,Uberall F,Bauer B,Fresser F,Wachter H,Grunicke H,Utermann G,Altman A,Baier G

更新日期：1996-04-01 00:00:00

abstract：:To identify DNA sequence elements from the human apolipoprotein B (apoB) gene required for high-level, correct tissue-specific expression in transgenic mice, we made several constructs that included one or more of the key regulatory elements that were previously characterized with cultured liver-derived and intestine-...

journal_title：Molecular and cellular biology

authors： Brooks AR,Nagy BP,Taylor S,Simonet WS,Taylor JM,Levy-Wilson B

更新日期：1994-04-01 00:00:00

abstract：:We have exploited the Escherichia coli lac operator/repressor system as a means to regulate the expression of a mammalian tRNA gene in vivo and in vitro. An oligonucleotide containing a lac operator (lacO) site was cloned immediately upstream of a human serine amber suppressor (Su+) tRNA gene. Insertion of a single la...

journal_title：Molecular and cellular biology

authors： Syroid DE,Tapping RI,Capone JP

更新日期：1992-10-01 00:00:00

abstract：:The erbB-2 gene product, gp185erbB-2, unlike the structurally related epidermal growth factor (EGF) receptor (EGFR), exhibits constitutive kinase and transforming activity. We used a chimeric EGFR/erbB-2 expression vector to compare the mitogenic signaling pathway of the erbB-2 kinase with that of the EGFR, at similar...

journal_title：Molecular and cellular biology

authors： Fazioli F,Kim UH,Rhee SG,Molloy CJ,Segatto O,Di Fiore PP

更新日期：1991-04-01 00:00:00

abstract：:The ESC-E(Z) complex of Drosophila melanogaster Polycomb group (PcG) repressors is a histone H3 methyltransferase (HMTase). This complex silences fly Hox genes, and related HMTases control germ line development in worms, flowering in plants, and X inactivation in mammals. The fly complex contains a catalytic SET domai...

journal_title：Molecular and cellular biology

authors： Ketel CS,Andersen EF,Vargas ML,Suh J,Strome S,Simon JA

更新日期：2005-08-01 00:00:00

abstract：:cyt-PTP epsilon is a naturally occurring nonreceptor form of the receptor-type protein tyrosine phosphatase (PTP) epsilon. As such, cyt-PTP epsilon enables analysis of phosphatase regulation in the absence of extracellular domains, which participate in dimerization and inactivation of the receptor-type phosphatases re...

journal_title：Molecular and cellular biology

authors： Toledano-Katchalski H,Tiran Z,Sines T,Shani G,Granot-Attas S,den Hertog J,Elson A

更新日期：2003-08-01 00:00:00