Cells lacking Rieske iron-sulfur protein have a reactive oxygen species-associated decrease in respiratory complexes I and IV.

abstract：:The Saccharomyces cerevisiae pheromone a-factor is produced by a cells and interacts with alpha cells to cause cell cycle arrest and other physiological responses associated with mating. Two a-factor structural genes, MFA1 and MFA2, have been previously cloned with synthetic probes based on the a-factor amino acid seq...

journal_title：Molecular and cellular biology

authors： Michaelis S,Herskowitz I

更新日期：1988-03-01 00:00:00

abstract：:The repair of DNA single-strand breaks in mammalian cells is mediated by poly(ADP-ribose) polymerase 1 (PARP-1), DNA ligase IIIalpha, and XRCC1. Since these proteins are not found in lower eukaryotes, this DNA repair pathway plays a unique role in maintaining genome stability in more complex organisms. XRCC1 not only ...

journal_title：Molecular and cellular biology

authors： Leppard JB,Dong Z,Mackey ZB,Tomkinson AE

更新日期：2003-08-01 00:00:00

abstract：:The c-Jun NH2-terminal protein kinase (JNK) is a member of the mitogen-activated protein kinase (MAPK) group and is an essential component of a signaling cascade that is activated by exposure of cells to environmental stress. JNK activation is regulated by phosphorylation on both Thr and Tyr residues by a dual-specifi...

journal_title：Molecular and cellular biology

authors： Tournier C,Whitmarsh AJ,Cavanagh J,Barrett T,Davis RJ

更新日期：1999-02-01 00:00:00

abstract：:The SNF3 gene of Saccharomyces cerevisiae encodes a high-affinity glucose transporter that is homologous to mammalian glucose transporters. Point mutations affecting the function of the transporter were recovered from the genomes of four snf3 mutants and characterized. Two of the mutations introduced a charged amino a...

journal_title：Molecular and cellular biology

authors： Marshall-Carlson L,Celenza JL,Laurent BC,Carlson M

更新日期：1990-03-01 00:00:00

abstract：:Diminished cyclooxygenase 2 (COX-2) expression in fibroblasts, with a resultant defect in the production of the antifibrotic mediator prostaglandin E(2), plays a key role in the pathogenesis of idiopathic pulmonary fibrosis (IPF). Here, we have characterized the molecular mechanism. We found that COX-2 mRNA levels in ...

journal_title：Molecular and cellular biology

authors： Coward WR,Watts K,Feghali-Bostwick CA,Knox A,Pang L

更新日期：2009-08-01 00:00:00

abstract：:A single-base deletion within the protein-coding region of the adenovirus type 5 early region 1A (E1A) genes, 399 bases downstream from the transcription start site, depresses transcription to 2% of the wild-type rate. Complementation studies demonstrated that this was due to two effects of the mutation: first, inacti...

journal_title：Molecular and cellular biology

authors： Osborne TF,Arvidson DN,Tyau ES,Dunsworth-Browne M,Berk AJ

更新日期：1984-07-01 00:00:00

abstract：:Nonsense-mediated mRNA decay (NMD) is a conserved proofreading mechanism that protects eukaryotic cells from the potentially deleterious effects of truncated proteins. Studies of Saccharomyces cerevisiae imply that NMD is a predominantly cytoplasmic decay pathway, while studies of mammalian systems suggest that decay ...

journal_title：Molecular and cellular biology

authors： Maderazo AB,Belk JP,He F,Jacobson A

更新日期：2003-02-01 00:00:00

abstract：:CD8+ T-cell apoptosis is essential for the contraction phase of the immune response, yet the initiating signals and precise pathways involved are unresolved. The ST3Gal-I sialyltransferase is a candidate mechanistic component and catalyzes sialic acid addition to core 1 O-glycans during protein O glycosylation. ST3Gal...

journal_title：Molecular and cellular biology

authors： Van Dyken SJ,Green RS,Marth JD

更新日期：2007-02-01 00:00:00

abstract：:During Xenopus development, the synthesis of ribosomal proteins is regulated at the translational level. To identify the region of the ribosomal protein mRNAs responsible for their typical translational behavior, we constructed a fused gene in which the upstream sequences (promoter) and the 5' untranslated sequence (f...

journal_title：Molecular and cellular biology

authors： Mariottini P,Amaldi F

更新日期：1990-02-01 00:00:00

abstract：:The Atm protein kinase is central to the DNA double-strand break response in mammalian cells. After irradiation, dimeric Atm undergoes autophosphorylation at Ser 1981 and dissociates into active monomers. Atm activation is stimulated by expression of the Mre11/Rad50/nibrin complex. Previously, we showed that a C-termi...

journal_title：Molecular and cellular biology

authors： Cerosaletti K,Wright J,Concannon P

更新日期：2006-03-01 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：:Temporal analysis of DNA replication and histone mRNA accumulation in a hamster fibroblast cell cycle mutant (K12) showed that histone mRNA accumulates periodically during the cell cycle and reaches its highest level in the S phase. The direct correlation between the initiation of DNA synthesis and the accumulation of...

journal_title：Molecular and cellular biology

authors： Artishevsky A,Delegeane AM,Lee AS

更新日期：1984-11-01 00:00:00

abstract：:The stem-loop in the 5' untranslated region (UTR) of collagen α1(I) and α2(I) mRNAs (5'SL) is the key element regulating their stability and translation. Stabilization of collagen mRNAs is the predominant mechanism for high collagen expression in fibrosis. LARP6 binds the 5'SL of α1(I) and α2(I) mRNAs with high affini...

journal_title：Molecular and cellular biology

authors： Challa AA,Stefanovic B

更新日期：2011-09-01 00:00:00

abstract：:Inactivation of gene expression by antisense mechanisms in general and by ribozymes in particular is a powerful technique for studying the function of a gene product. We have designed a strategy for expression of ribozymes, for selection of accessible cleavage sites in target RNAs, and for isolation of ribozymes from ...

journal_title：Molecular and cellular biology

authors： Lieber A,Strauss M

更新日期：1995-01-01 00:00:00

abstract：:Signaling downstream of mechanistic target of rapamycin complexes 1 and 2 (mTORC1 and mTORC2) controls specific and distinct aspects of insulin action and nutrient homeostasis in an interconnected and as yet unclear way. Mice lacking the mTORC1 substrate S6 kinase 1 (S6K1) maintain proper glycemic control with a high-...

journal_title：Molecular and cellular biology

authors： Treins C,Alliouachene S,Hassouna R,Xie Y,Birnbaum MJ,Pende M

更新日期：2012-10-01 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：:The tumor necrosis factor alpha (TNF-alpha) gene is rapidly activated by lipopolysaccharide (LPS). Here, we show that extracellular signal-regulated kinase (ERK) kinase activity but not calcineurin phosphatase activity is required for LPS-stimulated TNF-alpha gene expression. In LPS-stimulated macrophages, the ERK sub...

journal_title：Molecular and cellular biology

authors： Tsai EY,Falvo JV,Tsytsykova AV,Barczak AK,Reimold AM,Glimcher LH,Fenton MJ,Gordon DC,Dunn IF,Goldfeld AE

更新日期：2000-08-01 00:00:00

abstract：:In this study, we have constructed retroviral vectors expressing the interleukin-7 (IL-7) cDNA and have used infection with these retroviruses to express this cytokine endogenously in an IL-7-dependent pre-B-cell line. Infection with IL-7 retroviruses, but not with a control retrovirus, resulted in the conversion of t...

journal_title：Molecular and cellular biology

authors： Overell RW,Clark L,Lynch D,Jerzy R,Schmierer A,Weisser KE,Namen AE,Goodwin RG

更新日期：1991-03-01 00:00:00

abstract：:The retinoblastoma tumor suppressor protein (RB) is a negative regulator of the cell cycle that inhibits both G(1) and S-phase progression. While RB-mediated G(1) inhibition has been extensively studied, the mechanism utilized for S-phase inhibition is unknown. To delineate the mechanism through which RB inhibits DNA ...

journal_title：Molecular and cellular biology

authors： Sever-Chroneos Z,Angus SP,Fribourg AF,Wan H,Todorov I,Knudsen KE,Knudsen ES

更新日期：2001-06-01 00:00:00

abstract：:We report results showing that several gamma gene promoter elements participate in the developmental control of gamma-globin genes. Four gamma gene constructs with 5' truncated at -141, -201, -382, and -730 of the A gamma gene promoter linked to a micro locus control region (microLCR) cassette were used for production...

journal_title：Molecular and cellular biology

authors： Stamatoyannopoulos G,Josephson B,Zhang JW,Li Q

更新日期：1993-12-01 00:00:00

abstract：:The six human telomeric proteins TRF1, TRF2, RAP1, TIN2, POT1, and TPP1 can form a complex called the telosome/shelterin, which is required for telomere protection and length control. TPP1 has been shown to regulate both POT1 telomere localization and telosome assembly through its binding to TIN2. It remains to be det...

journal_title：Molecular and cellular biology

authors： Chen LY,Liu D,Songyang Z

更新日期：2007-08-01 00:00:00

abstract：:A new retrovirus vector containing the gene for hygromycin B resistance (hyg) as a selectable marker under the control of an internal simian virus 40 promoter was constructed. It was used, together with an analogous previously described vector, DO1, which contains the gene for G418 resistance, to introduce and express...

journal_title：Molecular and cellular biology

authors： Yang Z,Korman AJ,Cooper J,Pious D,Accolla RS,Mulligan RC,Strominger JL

更新日期：1987-11-01 00:00:00

abstract：:Giardia lamblia trophozoites demonstrate variable expression of a repertoire of cysteine-rich surface antigens in vitro and in vivo. The size of the repertoire has been estimated at 20 to 184, and specific variants can be detected after approximately 12 generations of in vitro growth for the WB isolate. In earlier stu...

journal_title：Molecular and cellular biology

authors： Adam RD,Yang YM,Nash TE

更新日期：1992-03-01 00:00:00

abstract：:c-jun is a member of the family of immediate-early genes whose expression is induced by factors such as serum stimulation, phorbol ester, and differentiation signals. Here we show that increased Jun synthesis after serum stimulation is accompanied by a concomitant increase in phosphorylation. Several serine-threonine ...

journal_title：Molecular and cellular biology

authors： Baker SJ,Kerppola TK,Luk D,Vandenberg MT,Marshak DR,Curran T,Abate C

更新日期：1992-10-01 00:00:00

abstract：:beta-Site beta-amyloid precursor protein (APP)-cleaving enzyme 1 (BACE1) is the beta-secretase in vivo for processing APP to generate amyloid beta protein (Abeta). Abeta deposition in the brain is the hallmark of Alzheimer's disease (AD) neuropathology. Inhibition of BACE1 activity has major pharmaceutical potential f...

journal_title：Molecular and cellular biology

authors： Zhou W,Song W

更新日期：2006-05-01 00:00:00

abstract：:Retroviruses have evolved complex transcriptional enhancers and promoters that allow their replication in a wide range of tissue and cell types. Embryonic stem (ES) cells, however, characteristically suppress transcription of proviruses formed after infection by exogenous retroviruses and also of most members of the v...

journal_title：Molecular and cellular biology

authors： Schlesinger S,Goff SP

更新日期：2015-03-01 00:00:00

abstract：:Neurite outgrowth is an essential process during neuronal differentiation as well as neuroregeneration. Thus, understanding the molecular and cellular control of neurite outgrowth will benefit patients with neurological diseases. We have previously shown that overexpression of the signaling adaptor protein SH2B1β prom...

journal_title：Molecular and cellular biology

authors： Chang YJ,Chen KW,Chen CJ,Lin MH,Sun YJ,Lee JL,Chiu IM,Chen L

更新日期：2014-03-01 00:00:00

abstract：:In the absence of telomerase, telomeres erode, provoking accumulation of DNA damage and death by senescence. Rare survivors arise, however, due to Rad52-based amplification of telomeric sequences by homologous recombination. The present study reveals that in budding yeast cells, postsenescence survival relying on ampl...

journal_title：Molecular and cellular biology

authors： Grandin N,Charbonneau M

更新日期：2009-02-01 00:00:00

abstract：:The K-fgf/hst oncogene encodes a secreted growth factor of the fibroblast growth factor (FGF) family. The ability of K-fgf-transformed cells to grow in soft agar and in serum-free medium is inhibited by anti-K-FGF neutralizing antibodies, consistent with an autocrine mechanism of transformation. The transformed proper...

journal_title：Molecular and cellular biology

authors： Talarico D,Basilico C

更新日期：1991-02-01 00:00:00

abstract：:Meltrin alpha (ADAM12) is a metalloprotease-disintegrin whose specific expression patterns during development suggest that it is involved in myogenesis and the development of other organs. To determine the roles Meltrin alpha plays in vivo, we generated Meltrin alpha-deficient mice by gene targeting. Although the numb...

journal_title：Molecular and cellular biology

authors： Kurisaki T,Masuda A,Sudo K,Sakagami J,Higashiyama S,Matsuda Y,Nagabukuro A,Tsuji A,Nabeshima Y,Asano M,Iwakura Y,Sehara-Fujisawa A

更新日期：2003-01-01 00:00:00