Endocytosis and vacuolar degradation of the plasma membrane-localized Pdr5 ATP-binding cassette multidrug transporter in Saccharomyces cerevisiae.

abstract：:The chicken immunoglobulin light-chain gene (IgL) encodes only a single variable gene segment capable of recombination. To generate an immune repertoire, chickens diversify this unique rearranged VL gene segment during B-cell development in the bursa of Fabricius. Sequence analysis of IgL cDNAs suggests that both gene...

journal_title：Molecular and cellular biology

authors： Kim S,Humphries EH,Tjoelker L,Carlson L,Thompson CB

更新日期：1990-06-01 00:00:00

abstract：:Nucleosomes were reconstituted in vitro with several singly end-labeled restriction fragments derived from a cloned somatic-type 5S RNA gene of Xenopus laevis and purified nucleosome core particles from Xenopus cultured cells or chicken erythrocytes. Nucleosome locations were determined by digestion of the reconstitut...

journal_title：Molecular and cellular biology

authors： Gottesfeld JM

更新日期：1987-05-01 00:00:00

abstract：:Growth factors and cyclic AMP (cAMP) are known to activate distinct intracellular signaling pathways. Fibroblast growth factor (FGF) activates ras-dependent kinase cascades, resulting in the activation of MAP kinases, whereas cAMP activates protein kinase A. In this study, we report that growth factors and cAMP act sy...

journal_title：Molecular and cellular biology

authors： Tan Y,Low KG,Boccia C,Grossman J,Comb MJ

更新日期：1994-11-01 00:00:00

abstract：:E3 ubiquitin ligases, which target specific molecules for proteolytic destruction, have emerged as key regulators of immune functions. Several E3 ubiquitin ligases, including c-Cbl, Cbl-b, GRAIL, Itch, and Nedd4, have been shown to negatively regulate T-cell activation. Here, we report that the HECT-type E3 ligase AIP...

journal_title：Molecular and cellular biology

authors： Chen A,Gao B,Zhang J,McEwen T,Ye SQ,Zhang D,Fang D

更新日期：2009-10-01 00:00:00

abstract：:Genomic instability, including the ability to undergo gene amplification, is a hallmark of neoplastic cells. Similar to normal cells, "nonpermissive" REF52 cells do not develop resistance to N-(phosphonacetyl)-L-aspartate (PALA), an inhibitor of the synthesis of pyrimidine nucleotides, through amplification of cad, th...

journal_title：Molecular and cellular biology

authors： Chernova OB,Chernov MV,Ishizaka Y,Agarwal ML,Stark GR

更新日期：1998-01-01 00:00:00

abstract：:Cse4p is a variant of histone H3 that has an essential role in chromosome segregation and centromere chromatin structure in budding yeast. Cse4p has a unique 135-amino-acid N terminus and a C-terminal histone-fold domain that is more than 60% identical to histone H3 and the mammalian centromere protein CENP-A. Cse4p a...

journal_title：Molecular and cellular biology

authors： Keith KC,Baker RE,Chen Y,Harris K,Stoler S,Fitzgerald-Hayes M

更新日期：1999-09-01 00:00:00

abstract：:In vitro mutagenesis was used to create putative opal suppressor alleles of a tRNA(Trp) gene of Saccharomyces cerevisiae. The construct with the requisite anticodon change did not result in an active suppressor, whereas when a second change was introduced into the portion of the gene encoding the intron, an active and...

journal_title：Molecular and cellular biology

authors： Atkin AL,Roy KL,Bell JB

更新日期：1990-08-01 00:00:00

abstract：:In Drosophila melanogaster, achaete (ac) and m8 are model basic helix-loop-helix activator (bHLH A) and repressor genes, respectively, that have the opposite cell expression pattern in proneural clusters during Notch signaling. Previous studies have shown that activation of m8 transcription in specific cells within pr...

journal_title：Molecular and cellular biology

authors： Cave JW,Xia L,Caudy M

更新日期：2011-01-01 00:00:00

abstract：:The ability of basic helix-loop-helix muscle regulatory factors (MRFs), such as MyoD, to convert nonmuscle cells to a myogenic lineage is regulated by numerous growth factor and oncoprotein signaling pathways. Previous studies have shown that H-Ras 12V inhibits differentiation to a skeletal muscle lineage by disruptin...

journal_title：Molecular and cellular biology

authors： Ramocki MB,Johnson SE,White MA,Ashendel CL,Konieczny SF,Taparowsky EJ

更新日期：1997-07-01 00:00:00

abstract：:The forkhead transcription factor FoxM1 has been reported to regulate, variously, proliferation and/or spindle formation during the G2/M transition of the cell cycle. Here we define specific functions of FoxM1 during brain development by the investigation of FoxM1 loss-of-function mutations in the context of Sonic hed...

journal_title：Molecular and cellular biology

authors： Schüller U,Zhao Q,Godinho SA,Heine VM,Medema RH,Pellman D,Rowitch DH

更新日期：2007-12-01 00:00:00

abstract：:The mammalian signal recognition particle (SRP) is a small cytoplasmic ribonucleoprotein required for the cotranslational targeting of secretory proteins to the endoplasmic reticulum membrane. The heterodimeric protein subunit SRP9/14 was previously shown to be essential for SRP to cause pausing in the elongation of s...

journal_title：Molecular and cellular biology

authors： Strub K,Moss J,Walter P

更新日期：1991-08-01 00:00:00

abstract：:The structural maintenance of chromosomes (Smc) family members Smc5 and Smc6 are both essential in budding and fission yeasts. Yeast smc5/6 mutants are hypersensitive to DNA damage, and Smc5/6 is recruited to HO-induced double-strand breaks (DSBs), facilitating intersister chromatid recombinational repair. To determin...

journal_title：Molecular and cellular biology

authors： Stephan AK,Kliszczak M,Dodson H,Cooley C,Morrison CG

更新日期：2011-04-01 00:00:00

abstract：:Extracellular signal-regulated kinase (ERK) facilitates cell cycle progression in most mammalian cells, but in certain cell types prolonged signaling through this pathway promotes differentiation and lineage-specific gene expression through mechanisms that are poorly understood. Here, we characterize the transcription...

journal_title：Molecular and cellular biology

authors： Sevinsky JR,Whalen AM,Ahn NG

更新日期：2004-05-01 00:00:00

abstract：:Malignant gliomas are highly lethal neoplasms with limited treatment options. We previously found that the heparan sulfate proteoglycan glypican 1 (GPC1) is universally and highly expressed in human gliomas. In this study, we investigated the biological activity of GPC1 expression in both human glioma cells and normal...

journal_title：Molecular and cellular biology

authors： Qiao D,Meyer K,Friedl A

更新日期：2013-11-01 00:00:00

abstract：:In vertebrates, the basic helix-loop-helix (bHLH) protein Twist may be involved in the negative regulation of cellular determination and in the differentiation of several lineages, including myogenesis, osteogenesis, and neurogenesis. Although it has been shown that mouse twist (M-Twist) (i) sequesters E proteins, thu...

journal_title：Molecular and cellular biology

authors： Hamamori Y,Wu HY,Sartorelli V,Kedes L

更新日期：1997-11-01 00:00:00

abstract：:The steroid hormone progesterone regulates proliferation and differentiation in the mammary gland and uterus by cell cycle phase-specific actions. The long-term effect of progestins on T-47D breast cancer cells is inhibition of cellular proliferation. This is accompanied by decreased G(1) cyclin-dependent kinase (CDK)...

journal_title：Molecular and cellular biology

authors： Swarbrick A,Lee CS,Sutherland RL,Musgrove EA

更新日期：2000-04-01 00:00:00

abstract：:The expression of the Drosophila segmentation gene fushi tarazu (ftz) is controlled at the level of transcription. The proximal enhancer, located approximately 3.4 kb upstream of the transcription start site, directs lacZ fusion gene expression in a ftz-like seven-stripe pattern in transgenic fly embryos. We have take...

journal_title：Molecular and cellular biology

authors： Han W,Yu Y,Altan N,Pick L

更新日期：1993-09-01 00:00:00

abstract：:Translation initiation in eukaryotic cells is known to be a complex multistep process which involves numerous protein factors. Here we demonstrate that leaderless mRNAs with initiator Met-tRNA can bind directly to 80S mammalian ribosomes in the absence of initiation factors and that the complexes thus formed are fully...

journal_title：Molecular and cellular biology

authors： Andreev DE,Terenin IM,Dunaevsky YE,Dmitriev SE,Shatsky IN

更新日期：2006-04-01 00:00:00

abstract：:TRAIL is an endogenous death receptor ligand also used therapeutically because of its selective proapoptotic activity in cancer cells. In the present study, we examined chromatin alterations induced by TRAIL and show that TRAIL induces a rapid activation of DNA damage response (DDR) pathways with histone H2AX, Chk2, A...

journal_title：Molecular and cellular biology

authors： Solier S,Sordet O,Kohn KW,Pommier Y

更新日期：2009-01-01 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：:The large T antigen of simian virus 40 (SV40) is a multifunctional protein that is essential in both the virus lytic cycle and the oncogenic transformation of cells by SV40. To investigate the role of the numerous biochemical and physiological activities of T antigen in the lytic and transformation processes, we have ...

journal_title：Molecular and cellular biology

authors： Manos MM,Gluzman Y

更新日期：1984-06-01 00:00:00

abstract：:Activation of transforming potential of the cellular raf gene has uniformly been associated with the deletion of amino-terminal coding sequences. In order to determine whether 5' truncation alone could activate cellular raf, we constructed 21 human c-raf-1 cDNAs with variable BAL 31-generated deletions distal to a Mol...

journal_title：Molecular and cellular biology

authors： Stanton VP Jr,Nichols DW,Laudano AP,Cooper GM

更新日期：1989-02-01 00:00:00

abstract：:The human vitamin D-binding protein (hDBP) gene exists in a cluster of four liver-expressed genes. A minimal hDBP transgene, containing a defined set of liver-specific DNase I hypersensitive sites (HSs), is robustly expressed in mouse liver in a copy-number-dependent manner. Here we evaluate these HSs for function. De...

journal_title：Molecular and cellular biology

authors： Hiroki T,Liebhaber SA,Cooke NE

更新日期：2007-11-01 00:00:00

abstract：:Tau, a major class of microtubule-associated proteins, consists of a family of proteins that are heterogeneous in molecular weight. The presence of internal deletions in previously described cDNA clones for murine and bovine tau suggested that alternative splicing of transcripts could account for the protein size hete...

journal_title：Molecular and cellular biology

authors： Himmler A

更新日期：1989-04-01 00:00:00

abstract：:We studied the process by which whd, a P-element insertion allele of the Drosophila melanogaster white locus, is replaced by its homolog in the presence of transposase. These events are interpreted as the result of double-strand gap repair following excision of the P transposon in whd. We used a series of alleles deri...

journal_title：Molecular and cellular biology

authors： Johnson-Schlitz DM,Engels WR

更新日期：1993-11-01 00:00:00

abstract：:During mammalian dosage compensation, one of two X-chromosomes in female cells is inactivated. The choice of which X is silenced can be imprinted or stochastic. Although genetic loci influencing the choice decision have been identified, the primary marks for imprinting and random selection remain undefined. Here, we e...

journal_title：Molecular and cellular biology

authors： Boumil RM,Ogawa Y,Sun BK,Huynh KD,Lee JT

更新日期：2006-03-01 00:00:00

abstract：:Epidermal growth factor (EGF) induces tyrosine phosphorylation of the Shc adapter protein, which plays an important role in EGF-stimulated mitogenesis. Shc stimulates Ras/mitogen-activated protein kinase (MAPK) through forming a complex with Grb2 at the phosphorylated tyrosine (Y) residue 317. In this study, we identi...

journal_title：Molecular and cellular biology

authors： Gotoh N,Toyoda M,Shibuya M

更新日期：1997-04-01 00:00:00

abstract：:Little is known about the mechanisms that regulate differential transactivation by p53. We developed a system in the yeast Saccharomyces cerevisiae that addresses p53 transactivation capacity from 26 different p53 response elements (REs) under conditions where all other factors, such as chromatin, are kept constant. T...

journal_title：Molecular and cellular biology

authors： Inga A,Storici F,Darden TA,Resnick MA

更新日期：2002-12-01 00:00:00

abstract：:The Drosophila melanogaster Myb-MuvB/dREAM complex (MMB/dREAM) participates in both the activation and repression of developmentally regulated genes and origins of DNA replication. Mutants in MMB subunits exhibit diverse phenotypes, including lethality, eye defects, reduced fecundity, and sterility. Here, we used P-el...

journal_title：Molecular and cellular biology

authors： Lewis PW,Sahoo D,Geng C,Bell M,Lipsick JS,Botchan MR

更新日期：2012-08-01 00:00:00

abstract：:The recombinant shuttle vector pSV2gpt was introduced into V79 Chinese hamster cells, and stable transformants expressing the Escherichia coli gpt gene were selected. Two transformants carrying tandem duplications of the plasmid at a single site were identified and fused to simian COS-1 cells. Plasmid DNA recovered fr...

journal_title：Molecular and cellular biology

authors： Ashman CR,Davidson RL

更新日期：1984-11-01 00:00:00