The Drosophila polycomb protein interacts with nucleosomal core particles In vitro via its repression domain.

abstract：:To identify and characterize the proteins encoded by the erbA proto-oncogene, we expressed the C-terminal region of v-erbA in a bacterial trpE expression vector system and used the fusion protein to prepare antiserum. The anti-trp-erbA serum recognized the P75gag-erbA protein encoded by avian erythroblastosis virus an...

journal_title：Molecular and cellular biology

authors： Bigler J,Eisenman RN

更新日期：1988-10-01 00:00:00

abstract：:A culture system was developed which permitted the differentiation of chicken lens epithelial cells to lentoid bodies which contained several cell layers, accumulated high levels of delta-crystallin, and produced extensive gap junctions. This differentiation process was prevented when the cells were infected with a te...

journal_title：Molecular and cellular biology

authors： Menko AS,Boettiger D

更新日期：1988-04-01 00:00:00

abstract：:The rapid nuclear translocation of signaling proteins upon stimulation is important for the regulation of de novo gene expression. We have studied the stimulated nuclear shuttling of c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinases (MAPKs) and found that they translocate into the nucleus in a Ra...

journal_title：Molecular and cellular biology

authors： Zehorai E,Seger R

更新日期：2014-01-01 00:00:00

abstract：:In addition to the highly conserved AATAAA sequence, there is a requirement for specific sequences downstream of polyadenylic acid [poly(A)] cleavage sites to generate correct mRNA 3' termini. Previous experiments demonstrated that 35 nucleotides downstream of the E2A poly(A) site were sufficient but 20 nucleotides we...

journal_title：Molecular and cellular biology

authors： Hart RP,McDevitt MA,Ali H,Nevins JR

更新日期：1985-11-01 00:00:00

abstract：:Initiation of T-lymphocyte-mediated immune responses involves two cellular processes: entry into the cell cycle (G(0)-->G(1)) for clonal proliferation and coordinated changes in surface and secreted molecules that mediate effector functions. However, a point during G(0)-->G(1) beyond which T cells are committed to ent...

journal_title：Molecular and cellular biology

authors： Lea NC,Orr SJ,Stoeber K,Williams GH,Lam EW,Ibrahim MA,Mufti GJ,Thomas NS

更新日期：2003-04-01 00:00:00

abstract：:The translocation (6;9)(p23;q34) in acute nonlymphocytic leukemia results in the formation of a highly consistent dek-can fusion gene. Translocation breakpoints invariably occur in single introns of dek and can, which were named icb-6 and icb-9, respectively. In a case of acute undifferentiated leukemia, a breakpoint ...

journal_title：Molecular and cellular biology

authors： von Lindern M,van Baal S,Wiegant J,Raap A,Hagemeijer A,Grosveld G

更新日期：1992-08-01 00:00:00

abstract：:Oxygen radicals regulate many physiological processes, such as signaling, proliferation, and apoptosis, and thus play a pivotal role in pathophysiology and disease development. There are at least two thioredoxin reductase/thioredoxin/peroxiredoxin systems participating in the cellular defense against oxygen radicals. ...

journal_title：Molecular and cellular biology

authors： Conrad M,Jakupoglu C,Moreno SG,Lippl S,Banjac A,Schneider M,Beck H,Hatzopoulos AK,Just U,Sinowatz F,Schmahl W,Chien KR,Wurst W,Bornkamm GW,Brielmeier M

更新日期：2004-11-01 00:00:00

abstract：:Budding yeast Rad53 is an essential protein kinase that is phosphorylated and activated in a MEC1- and TEL1-dependent manner in response to DNA damage. We studied the role of Rad53 phosphorylation through mutation of consensus phosphorylation sites for upstream kinases Mec1 and Tel1. Alanine substitution of the Rad53 ...

journal_title：Molecular and cellular biology

authors： Lee SJ,Schwartz MF,Duong JK,Stern DF

更新日期：2003-09-01 00:00:00

abstract：:By injecting the appropriately constructed plasmids into one-cell Xenopus embryos, we determined that the 3' region of the maternal Xenopus Eg2 mRNA confers instability on the chimeric mRNA transcribed from these plasmids. This instability, like that of the maternal Eg2 transcript, was abolished by treatment of the em...

journal_title：Molecular and cellular biology

authors： Bouvet P,Paris J,Phillippe M,Osborne HB

更新日期：1991-06-01 00:00:00

abstract：:The autonomously replicating rRNA genes (rDNA) in the somatic nucleus of Tetrahymena thermophila are maintained at a copy number of approximately 10(4) per nucleus. A mutant in which the replication properties of this molecule were altered was isolated and characterized. This mutation of inbred strain C3, named rmm4, ...

journal_title：Molecular and cellular biology

authors： Yaeger PC,Orias E,Shaiu WL,Larson DD,Blackburn EH

更新日期：1989-02-01 00:00:00

abstract：:Schizosaccharomyces pombe Cdc5p and its Saccharomyces cerevisiae ortholog, Cef1p, are essential Myb-related proteins implicated in pre-mRNA splicing and contained within large multiprotein complexes. Here we describe the tandem affinity purification (TAP) of Cdc5p- and Cef1p-associated complexes. Using transmission el...

journal_title：Molecular and cellular biology

authors： Ohi MD,Link AJ,Ren L,Jennings JL,McDonald WH,Gould KL

更新日期：2002-04-01 00:00:00

abstract：:The intracellular signaling mechanisms underlying the pathogenesis of cardiac diseases are not fully understood. We report here that selective deletion of Shp2, an SH2-containing cytoplasmic tyrosine phosphatase, in striated muscle results in severe dilated cardiomyopathy in mice, leading to heart failure and prematur...

journal_title：Molecular and cellular biology

authors： Princen F,Bard E,Sheikh F,Zhang SS,Wang J,Zago WM,Wu D,Trelles RD,Bailly-Maitre B,Kahn CR,Chen Y,Reed JC,Tong GG,Mercola M,Chen J,Feng GS

更新日期：2009-01-01 00:00:00

abstract：:Six4 is a member of the Six family genes, homologues of Drosophila melanogaster sine oculis. The gene is thought to be involved in neurogenesis, myogenesis, and development of other organs, based on its specific expression in certain neuronal cells of the developing embryo and in adult skeletal muscles. To elucidate t...

journal_title：Molecular and cellular biology

authors： Ozaki H,Watanabe Y,Takahashi K,Kitamura K,Tanaka A,Urase K,Momoi T,Sudo K,Sakagami J,Asano M,Iwakura Y,Kawakami K

更新日期：2001-05-01 00:00:00

abstract：:Elastin, an extracellular component of arteries, lung, and skin, is produced during fetal and neonatal growth. We reported previously that the cessation of elastin production is controlled by a posttranscriptional mechanism. Although tropoelastin pre-mRNA is transcribed at the same rate in neonates and adults, marked ...

journal_title：Molecular and cellular biology

authors： Zhang M,Pierce RA,Wachi H,Mecham RP,Parks WC

更新日期：1999-11-01 00:00:00

abstract：:c-sis/platelet-derived growth factor 2 (PDGF-2) is a prototype growth factor with transforming potential. The c-sis/PDGF-2 transcript contains a long 5' untranslated sequence (UTS) that is highly G.C rich. To examine the influence of this sequence on sis/PDGF-2 expression, we localized the c-sis/PDGF-2 promoter and us...

journal_title：Molecular and cellular biology

authors： Rao CD,Pech M,Robbins KC,Aaronson SA

更新日期：1988-01-01 00:00:00

abstract：:The genes that encode the variable regions of immunoglobulin (Ig) heavy chains are encoded by three DNA segments: VH, D, and JH. During B-cell development these segments are brought together by a pair of site-specific DNA rearrangements. The first of these joins a D segment to a JH segment; the second brings a VH segm...

journal_title：Molecular and cellular biology

authors： Alessandrini A,Desiderio SV

更新日期：1991-04-01 00:00:00

abstract：:Expression of the avian very-low-density apolipoprotein II (apoVLDLII) gene is completely dependent on estrogen and restricted to the liver. We have identified binding sites for nonhistone nuclear proteins located between -1.96 and -2.61 kilobases. One of these sites, located at -2.6 kilobases (designated site 1), was...

journal_title：Molecular and cellular biology

authors： Hoodless PA,Roy RN,Ryan AK,Haché RJ,Vasa MZ,Deeley RG

更新日期：1990-01-01 00:00:00

abstract：:The Caenorhabditis elegans run gene encodes a Runt domain factor. Runx1, Runx2, and Runx3 are the three known mammalian homologs of run. Runx1, which plays an essential role in hematopoiesis, has been identified at the breakpoint of chromosome translocations that are responsible for human leukemia. Runx2 plays an esse...

journal_title：Molecular and cellular biology

authors： Nam S,Jin YH,Li QL,Lee KY,Jeong GB,Ito Y,Lee J,Bae SC

更新日期：2002-01-01 00:00:00

abstract：:In the present study we have analyzed the genetic regulation of increased expression of transformation-associated traits, a process termed progression, in adenovirus type 5 (Ad5)-transformed secondary rat embryo cells. Somatic cell hybrids were formed between a highly progressed neomycin-resistant Ad5-transformed clon...

journal_title：Molecular and cellular biology

authors： Duigou GJ,Babiss LE,Iman DS,Shay JW,Fisher PB

更新日期：1990-05-01 00:00:00

abstract：:The oncogene product of the avian sarcoma virus CT10, P47gag-crk, contains the SH2, SH2', and SH3 domains and binds proteins in a phosphotyrosine (ptyr)-dependent manner. In this study, we have determined the region of P47gag-crk essential for binding to ptyr-containing proteins. Mutant P47gag-crk proteins expressed i...

journal_title：Molecular and cellular biology

authors： Matsuda M,Mayer BJ,Hanafusa H

更新日期：1991-03-01 00:00:00

abstract：:The yeast protein Spa2p localizes to growth sites and is important for polarized morphogenesis during budding, mating, and pseudohyphal growth. To better understand the role of Spa2p in polarized growth, we analyzed regions of the protein important for its function and proteins that interact with Spa2p. Spa2p interact...

journal_title：Molecular and cellular biology

authors： Sheu YJ,Santos B,Fortin N,Costigan C,Snyder M

更新日期：1998-07-01 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：:Placental development initially occurs in a low-oxygen (O2) or hypoxic environment. In this report we show that two hypoxia-inducible factors (HIFs), HIF1alpha and HIF2alpha, are essential for determining murine placental cell fates. HIF is a heterodimer composed of HIFalpha and HIFbeta (ARNT) subunits. Placentas from...

journal_title：Molecular and cellular biology

authors： Cowden Dahl KD,Fryer BH,Mack FA,Compernolle V,Maltepe E,Adelman DM,Carmeliet P,Simon MC

更新日期：2005-12-01 00:00:00

abstract：:The CACCC-box binding protein erythroid Krüppel-like factor (EKLF/KLF1) is a master regulator that directs the expression of many important erythroid genes. We have previously shown that EKLF drives transcription of the gene for a second KLF, basic Krüppel-like factor, or KLF3. We have now tested the in vivo role of K...

journal_title：Molecular and cellular biology

authors： Funnell AP,Norton LJ,Mak KS,Burdach J,Artuz CM,Twine NA,Wilkins MR,Power CA,Hung TT,Perdomo J,Koh P,Bell-Anderson KS,Orkin SH,Fraser ST,Perkins AC,Pearson RC,Crossley M

更新日期：2012-08-01 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：:Transforming Harvey (Ha) ras oncogene products accelerated the time course of Xenopus oocyte maturation induced by insulin, insulinlike growth factor 1, or progesterone. The transforming constructs, [Val-12]Ha p21 and [Val-12, Thr-59]Ha p21, displayed equal potency and efficacy in their abilities to accelerate the gro...

journal_title：Molecular and cellular biology

authors： Sadler SE,Maller JL,Gibbs JB

更新日期：1990-04-01 00:00:00

abstract：:Thyroid hormone receptor (TR) functions as part of multiprotein complexes that also include retinoid X receptor (RXR) and transcriptional coregulators. We have found that both the TR CoR box and ninth heptad are required for RXR interaction and in turn for interaction with corepressor proteins N-CoR and SMRT. Remarkab...

journal_title：Molecular and cellular biology

authors： Zhang J,Zamir I,Lazar MA

更新日期：1997-12-01 00:00:00

abstract：:Maintaining optimal bone integrity, mass, and strength throughout adult life requires ongoing bone remodeling, which involves coordinated activity between actions of bone-resorbing osteoclasts and bone forming-osteoblasts. Osteoporosis is a disorder of remodeling in which bone resorption outstrips deposition, leading ...

journal_title：Molecular and cellular biology

authors： Mukherjee A,Rotwein P

更新日期：2012-01-01 00:00:00

abstract：:Estrogen receptors (ERs) are hormone-regulated transcription factors that regulate key aspects of reproduction and development. ERs are unusual in that they do not typically repress transcription in the absence of hormone but instead possess otherwise cryptic repressive functions that are revealed upon binding to cert...

journal_title：Molecular and cellular biology

authors： Varlakhanova N,Snyder C,Jose S,Hahm JB,Privalsky ML

更新日期：2010-03-01 00:00:00

abstract：:Ret/ptc2 is a constitutively active, oncogenic form of the c-Ret receptor tyrosine kinase. Like the other papillary thyroid carcinoma forms of Ret, Ret/ptc2 is activated through fusion of the Ret tyrosine kinase domain to the dimerization domain of another protein. Investigation of requirements for Ret/ptc2 mitogenic ...

journal_title：Molecular and cellular biology

authors： Durick K,Gill GN,Taylor SS

更新日期：1998-04-01 00:00:00