Differential repression of GAL4 and adjacent transcription activators by operators in the yeast GAL upstream activating sequence.

abstract：:A gene encoding a novel CACCC box-binding protein that binds to the promoter region of the human T-cell receptor (TCR) V beta 8.1 gene and the mouse TCR alpha gene silencer has been cloned. This gene, termed ht beta, contains four zinc fingers of the class Cys2-X12-His2 that may be responsible for DNA binding and a hi...

journal_title：Molecular and cellular biology

authors： Wang Y,Kobori JA,Hood L

更新日期：1993-09-01 00:00:00

abstract：:Densely methylated DNA sequence islands, designated DMIs, have been observed in two Chinese hamster cell chromosomal replication origins by using a PCR-based chemical method of detection. One of the origins, oriS14, is located within or adjacent to the coding sequence for ribosomal protein S14 on chromosome 2q, and th...

journal_title：Molecular and cellular biology

authors： Tasheva ES,Roufa DJ

更新日期：1994-09-01 00:00:00

abstract：:HO endonuclease-induced double-strand breaks in Saccharomyces cerevisiae can undergo recombination by two distinct and competing pathways. In a plasmid containing a direct repeat, in which one repeat is interrupted by an HO endonuclease cut site, gap repair yields gene conversions while single-strand annealing produce...

journal_title：Molecular and cellular biology

authors： Fishman-Lobell J,Rudin N,Haber JE

更新日期：1992-03-01 00:00:00

abstract：:Two-dimensional electrophoretograms of newly synthesized polypeptides from low-metastatic (P29) and high-metastatic (D6) Lewis lung carcinoma cells were compared. The results showed that the synthesis of tropomyosin 2 (TM2) was significantly less in D6 cells than in P29 cells. Furthermore, suppression of TM2 synthesis...

journal_title：Molecular and cellular biology

authors： Takenaga K,Nakamura Y,Sakiyama S

更新日期：1988-09-01 00:00:00

abstract：:Phosphoinositides (PIPs) are present in very small amounts but are essential for cell signaling, morphogenesis, and polarity. By mass spectrometry, we demonstrated that some PIPs with stearic acyl chains were strongly disturbed in a psi1Δ Saccharomyces cerevisiae yeast strain deficient in the specific incorporation of...

journal_title：Molecular and cellular biology

authors： Doignon F,Laquel P,Testet E,Tuphile K,Fouillen L,Bessoule JJ

更新日期：2016-02-16 00:00:00

abstract：:We have constructed a size variant of the Drosophila hsp28 gene by deleting 207 base pairs of the protein coding region, beginning 33 base pairs downstream of the ATG protein initiation codon. After transformation of Drosophila melanogaster rosy (ry506) flies with this altered gene, using the P transposable element sy...

journal_title：Molecular and cellular biology

authors： Hoffman EP,Corces VG

更新日期：1984-12-01 00:00:00

abstract：:Cryptococcus neoformans is a fungal pathogen that causes meningitis in patients immunocompromised by AIDS, chemotherapy, organ transplantation, or high-dose steroids. Current antifungal drug therapies are limited and suffer from toxic side effects and drug resistance. Here, we defined the targets and mechanisms of ant...

journal_title：Molecular and cellular biology

authors： Cruz MC,Cavallo LM,Görlach JM,Cox G,Perfect JR,Cardenas ME,Heitman J

更新日期：1999-06-01 00:00:00

abstract：:Nucleocytoplasmic shuttling of class IIa of histone deacetylases (HDACs) is a key mechanism that controls cell fate and animal development. We have identified the filamin B (FLNB) as a novel HDAC7-interacting protein that is required for temporal and spatial regulation of vascular endothelial growth factor (VEGF)-medi...

journal_title：Molecular and cellular biology

authors： Su YT,Gao C,Liu Y,Guo S,Wang A,Wang B,Erdjument-Bromage H,Miyagi M,Tempst P,Kao HY

更新日期：2013-04-01 00:00:00

abstract：:The basic leucine zipper transcription factor, CCAAT/enhancer binding protein alpha (C/EBPalpha), is abundantly expressed in keratinocytes of the skin; however, its function in skin is poorly characterized. UVB radiation is responsible for the majority of human skin cancers. In response to UVB-induced DNA damage, kera...

journal_title：Molecular and cellular biology

authors： Yoon K,Smart RC

更新日期：2004-12-01 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：:In the "canonical" view of transforming growth factor beta (TGF-beta) signaling, Smad7 plays an inhibitory role. While Smad7 represses Smad3 activation by TGF-beta, it does not reverse the inhibitory effect of TGF-beta on myogenesis, suggesting a different function in myogenic cells. We previously reported a promyogen...

journal_title：Molecular and cellular biology

authors： Miyake T,Alli NS,McDermott JC

更新日期：2010-02-01 00:00:00

abstract：:Tristetraprolin (TTP) acts by binding to AU-rich elements in certain mRNAs, such as tumor necrosis factor (TNF) mRNA, and increasing their decay rates. TTP knockout mice exhibit a profound inflammatory syndrome that is largely due to increased TNF levels. Although TTP's effects on gene expression have been well studie...

journal_title：Molecular and cellular biology

authors： Patial S,Stumpo DJ,Young WS 3rd,Ward JM,Flake GP,Blackshear PJ

更新日期：2016-04-15 00:00:00

abstract：:p300 and the closely related CREB binding protein (CBP) are transcriptional adaptors that are present in intracellular complexes with TATA binding protein (TBP) and bind to upstream activators including p53 and nuclear hormone receptors. They have intrinsic and associated histone acetyltransferase activity, suggesting...

journal_title：Molecular and cellular biology

authors： Dallas PB,Cheney IW,Liao DW,Bowrin V,Byam W,Pacchione S,Kobayashi R,Yaciuk P,Moran E

更新日期：1998-06-01 00:00:00

abstract：:The reciprocal expression of GATA-1 and GATA-2 during hematopoiesis is an important determinant of red blood cell development. Whereas Gata2 is preferentially transcribed early in hematopoiesis, elevated GATA-1 levels result in GATA-1 occupancy at sites upstream of the Gata2 locus and transcriptional repression. GATA-...

journal_title：Molecular and cellular biology

authors： Grass JA,Jing H,Kim SI,Martowicz ML,Pal S,Blobel GA,Bresnick EH

更新日期：2006-10-01 00:00:00

abstract：:The accurate segregation of chromosomes requires the kinetochore, a complex protein machine that assembles onto centromeric DNA to mediate attachment of replicated sister chromatids to the mitotic spindle apparatus. This study reveals an important role for the yeast RSC ATP-dependent chromatin-remodeling complex at th...

journal_title：Molecular and cellular biology

authors： Hsu JM,Huang J,Meluh PB,Laurent BC

更新日期：2003-05-01 00:00:00

abstract：:Sphingomyelin is a major lipid in the bilayer of subcellular membranes of eukaryotic cells. Different sphingomyelinases catalyze the initial step in the catabolism of sphingomyelin, the hydrolysis to phosphocholine and ceramide. Sphingomyelinases have been postulated to generate ceramide as a lipophilic second messeng...

journal_title：Molecular and cellular biology

authors： Zumbansen M,Stoffel W

更新日期：2002-06-01 00:00:00

abstract：:SCF complexes are E3 ubiquitin-protein ligases that mediate degradation of regulatory and signaling proteins and control G1/S cell cycle progression by degradation of G1 cyclins and the cyclin-dependent kinase inhibitor, Sic1. Interchangeable F-box proteins bind the core SCF components; each recruits a specific subset...

journal_title：Molecular and cellular biology

authors： Ivantsiv Y,Kaplun L,Tzirkin-Goldin R,Shabek N,Raveh D

更新日期：2006-03-01 00:00:00

abstract：:We constructed a series of recombinant genomes which directed expression of the enzyme chloramphenicol acetyltransferase (CAT) in mammalian cells. The prototype recombinant in this series, pSV2-cat, consisted of the beta-lactamase gene and origin of replication from pBR322 coupled to a simian virus 40 (SV40) early tra...

journal_title：Molecular and cellular biology

authors： Gorman CM,Moffat LF,Howard BH

更新日期：1982-09-01 00:00:00

abstract：:Bona fide apoptosis in rat and human leukemia cells, rat thymocytes, and bovine endothelial cells was accompanied by limited and specific cleavage of polysome-associated and monosome-associated 28S rRNA, with 18S rRNA being spared. Specific 28S rRNA cleavage was observed in all instances of apoptotic death accompanied...

journal_title：Molecular and cellular biology

authors： Houge G,Robaye B,Eikhom TS,Golstein J,Mellgren G,Gjertsen BT,Lanotte M,Døskeland SO

更新日期：1995-04-01 00:00:00

abstract：:Protein ubiquitination provides an efficient and reversible mechanism to regulate cell cycle progression and checkpoint control. Numerous regulatory proteins direct the addition of ubiquitin to lysine residues on target proteins, and these are countered by an army of deubiquitinating enzymes (DUBs). BRCA1-associated p...

journal_title：Molecular and cellular biology

authors： Misaghi S,Ottosen S,Izrael-Tomasevic A,Arnott D,Lamkanfi M,Lee J,Liu J,O'Rourke K,Dixit VM,Wilson AC

更新日期：2009-04-01 00:00:00

abstract：:Expression of the yeast pyrimidine biosynthetic gene, URA3, is induced three- to fivefold in response to uracil starvation, and this regulation is mediated by the transcriptional activator PPR1 (pyrimidine pathway regulator 1). In this study, we have analyzed the regulatory elements of the URA3 promoter by DNase I foo...

journal_title：Molecular and cellular biology

authors： Roy A,Exinger F,Losson R

更新日期：1990-10-01 00:00:00

abstract：:The laminin alpha4 chain, a component of laminin-8 and -9, is expressed in basement membranes, such as those beneath endothelia, the perineurium of peripheral nerves, and around developing muscle fibers. Laminin alpha4-null mice presented with hemorrhages during the embryonic and neonatal period and had extensive blee...

journal_title：Molecular and cellular biology

authors： Thyboll J,Kortesmaa J,Cao R,Soininen R,Wang L,Iivanainen A,Sorokin L,Risling M,Cao Y,Tryggvason K

更新日期：2002-02-01 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：:Synonymous single nucleotide polymorphisms (SNPs) within a transcript's coding region produce no change in the amino acid sequence of the protein product and are therefore intuitively assumed to have a neutral effect on protein function. We report that two common variants of high-temperature requirement A1 (HTRA1) tha...

journal_title：Molecular and cellular biology

authors： Jacobo SM,Deangelis MM,Kim IK,Kazlauskas A

更新日期：2013-05-01 00:00:00

abstract：:We have analyzed the structures and locations of small nuclear RNA (snRNA) precursors at various stages in their synthesis and maturation. In the nuclei of pulse-labeled Xenopus laevis oocytes, we detected snRNAs that were longer than their mature forms at their 3' ends by up to 10 nucleotides. Analysis of the 5' caps...

journal_title：Molecular and cellular biology

authors： Neuman de Vegvar HE,Dahlberg JE

更新日期：1990-07-01 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：:We have examined the in vivo sites of action for topoisomerases II in the 87A7 heat shock locus as a function of gene activity. When the hsp70 genes are induced, there is a dramatic redistribution of topoisomerase II in the locus which parallels many of the observed alterations in chromatin structure. In addition to c...

journal_title：Molecular and cellular biology

authors： Udvardy A,Schedl P

更新日期：1993-12-01 00:00:00

abstract：:To determine the effect of gene order on globin gene developmental regulation, we produced transgenic mice containing two tandemly arranged gamma- or beta-globin or gamma beta- and beta gamma-globin genes linked to a 2.5-kb cassette containing sequences of the locus control region (LCR). Analysis of constructs contain...

journal_title：Molecular and cellular biology

authors： Peterson KR,Stamatoyannopoulos G

更新日期：1993-08-01 00:00:00

abstract：:Etoposide, a nonintercalating antitumor drug, is a potent inhibitor of topoisomerase II activity. When Trypanosoma equiperdum is treated with etoposide, cleavable complexes are stabilized between topoisomerase II and kinetoplast DNA minicircles, a component of trypanosome mitochondrial DNA (T. A. Shapiro, V. A. Klein,...

journal_title：Molecular and cellular biology

authors： Shapiro TA

更新日期：1994-06-01 00:00:00

abstract：:Transcriptional regulation by nuclear receptors is controlled by the concerted action of coactivator and corepressor proteins. The product of the thyroid hormone-regulated mammalian gene hairless (Hr) was recently shown to function as a thyroid hormone receptor corepressor. Here we report that Hr acts as a potent repr...

journal_title：Molecular and cellular biology

authors： Moraitis AN,Giguère V,Thompson CC

更新日期：2002-10-01 00:00:00