Caspase-2-mediated cleavage of Mdm2 creates a p53-induced positive feedback loop.

abstract：:The anaphase-promoting complex or cyclosome (APC/C) is a ubiquitin ligase that polyubiquitinates specific substrates at precise times in the cell cycle, thereby triggering the events of late mitosis in a strict order. The robust substrate specificity of the APC/C prevents the potentially deleterious degradation of non...

journal_title：Molecular cell

authors： Davey NE,Morgan DO

更新日期：2016-10-06 00:00:00

abstract：:RNA binding proteins (RBPs) regulate all aspects in the life cycle of RNA molecules. To elucidate the elements that guide RNA specificity, regulatory mechanisms, and functions of RBPs, methods that identify direct endogenous protein-RNA interactions are particularly valuable. UV crosslinking and immunoprecipitation (C...

journal_title：Molecular cell

authors： Lee FCY,Ule J

更新日期：2018-02-01 00:00:00

abstract：:The displacement loop (D loop) is the product of homology search and DNA strand invasion, constituting a central intermediate in homologous recombination (HR). In eukaryotes, the Rad51 DNA strand exchange protein is assisted in D loop formation by the Rad54 motor protein. Curiously, Rad54 also disrupts D loops. How th...

journal_title：Molecular cell

authors： Wright WD,Heyer WD

更新日期：2014-02-06 00:00:00

abstract：:Signals transmitted by ERK MAP kinases regulate the functions of multiple substrates present in the nucleus and in the cytoplasm. ERK signals are optimized by scaffold proteins that modulate their intensity and spatial fidelity. Once phosphorylated, ERKs dimerize, but how dimerization impacts on the activation of the ...

journal_title：Molecular cell

authors： Casar B,Pinto A,Crespo P

更新日期：2008-09-05 00:00:00

abstract：:In Drosophila, specification of embryonic terminal cells is controlled by the Torso receptor tyrosine kinase. Here, we analyze the molecular basis of positive (Y630) and negative (Y918) phosphotyrosine (pY) signaling sites on Torso. We find that the Drosophila homolog of RasGAP associates with pY918 and is a negative ...

journal_title：Molecular cell

authors： Cleghon V,Feldmann P,Ghiglione C,Copeland TD,Perrimon N,Hughes DA,Morrison DK

更新日期：1998-12-01 00:00:00

abstract：:Proliferating metazoan cells respond to damage that has the potential to cause genomic instability by restricting the cell division cycle or by initiating apoptosis. The molecular mechanisms determining the balance between these responses are not well understood. Here, we show that the apoptotic initiator protease cas...

journal_title：Molecular cell

authors： Allan LA,Clarke PR

更新日期：2007-04-27 00:00:00

abstract：:Takahashi et al. (2018) report that the peptide CLE25 together with the BAM1, BAM3 LRR receptor-like kinases are involved in root-to-shoot communication during dehydration stress in Arabidopsis. ...

journal_title：Molecular cell

authors： McLachlan DH,Pridgeon AJ,Hetherington AM

更新日期：2018-06-21 00:00:00

abstract：:The circadian clock is a self-sustaining oscillator that controls daily rhythms. For the proper circadian gene expression, dynamic changes in chromatin structure are important. Although chromatin modifiers have been shown to play a role in circadian gene expression, the in vivo role of circadian signal-modulated chrom...

journal_title：Molecular cell

authors： Nam HJ,Boo K,Kim D,Han DH,Choe HK,Kim CR,Sun W,Kim H,Kim K,Lee H,Metzger E,Schuele R,Yoo SH,Takahashi JS,Cho S,Son GH,Baek SH

更新日期：2014-03-06 00:00:00

abstract：:Growth factors such as epidermal growth factor (EGF) and insulin regulate development and metabolism via genes containing both POU homeodomain (Pit-1) and phorbol ester (AP-1) response elements. Although CREB binding protein (CBP) functions as a coactivator on these elements, the mechanism of transactivation was previ...

journal_title：Molecular cell

authors： Zanger K,Radovick S,Wondisford FE

更新日期：2001-03-01 00:00:00

abstract：:Chaperone-mediated autophagy (CMA) is involved in cellular quality control, and in the response to stress, deterioration in CMA contributes to the aging phenotype and to various disorders. The paper by Bandyopadhyay et al. in this issue of Molecular Cell demonstrates the role of GTP binding by elongation factor 1 alph...

journal_title：Molecular cell

authors： Beau I,Codogno P

更新日期：2010-08-27 00:00:00

abstract：:Molecular motors are the long-haul carriers of eukaryotic cells, moving cargos bidirectionally along microtubule tracks. In the December 12th issue of Cell, report that HDAC6, a tubulin deacetylase, functions as an adaptor that links cargos of aggregated protein to the minus end-directed motor, cytoplasmic dynein. ...

journal_title：Molecular cell

authors： Kopito RR

更新日期：2003-12-01 00:00:00

abstract：:In bacteria, RNA polymerase (RNAP) initiates transcription by synthesizing short transcripts that are either released or extended to allow RNAP to escape from the promoter. The mechanism of initial transcription is unclear due to the presence of transient intermediates and molecular heterogeneity. Here, we studied ini...

journal_title：Molecular cell

authors： Duchi D,Bauer DL,Fernandez L,Evans G,Robb N,Hwang LC,Gryte K,Tomescu A,Zawadzki P,Morichaud Z,Brodolin K,Kapanidis AN

更新日期：2016-09-15 00:00:00

abstract：:Expression of BRCA1 is commonly decreased in sporadic breast tumors, and this correlates with poor prognosis of breast cancer patients. Here we show that BRCA1 transcripts are selectively enriched in the Argonaute/miR-182 complex and miR-182 downregulates BRCA1 expression. Antagonizing miR-182 enhances BRCA1 protein l...

journal_title：Molecular cell

authors： Moskwa P,Buffa FM,Pan Y,Panchakshari R,Gottipati P,Muschel RJ,Beech J,Kulshrestha R,Abdelmohsen K,Weinstock DM,Gorospe M,Harris AL,Helleday T,Chowdhury D

更新日期：2011-01-21 00:00:00

abstract：:CREB-binding protein (CBP) possesses an intrinsic acetyltransferase activity capable of acetylating nucleosomal histones as well as several nonhistone proteins. Here, it is shown that CBP can acetylate hepatocyte nuclear factor-4 (HNF-4), a member of the nuclear hormone receptor family, at lysine residues within the n...

journal_title：Molecular cell

authors： Soutoglou E,Katrakili N,Talianidis I

更新日期：2000-04-01 00:00:00

abstract：:Eukaryotic gene expression regulation involves thousands of distal regulatory elements. Understanding the quantitative contribution of individual enhancers to gene expression is critical for assessing the role of disease-associated genetic risk variants. Yet, we lack the ability to accurately link genes with their dis...

journal_title：Molecular cell

authors： Vangala P,Murphy R,Quinodoz SA,Gellatly K,McDonel P,Guttman M,Garber M

更新日期：2020-10-15 00:00:00

abstract：:Metazoan histone mRNAs end in a highly conserved stem-loop structure followed by ACCCA. Previous studies have suggested that the stem-loop binding protein (SLBP) is the only protein binding this region. Using RNA affinity purification, we identified a second protein, designated 3'hExo, that contains a SAP and a 3' exo...

journal_title：Molecular cell

authors： Dominski Z,Yang XC,Kaygun H,Dadlez M,Marzluff WF

更新日期：2003-08-01 00:00:00

abstract：:The biosynthesis of coenzyme Q presents a paradigm for how cells surmount hydrophobic barriers in lipid biology. In eukaryotes, CoQ precursors-among nature's most hydrophobic molecules-must somehow be presented to a series of enzymes peripherally associated with the mitochondrial inner membrane. Here, we reveal that t...

journal_title：Molecular cell

authors： Lohman DC,Aydin D,Von Bank HC,Smith RW,Linke V,Weisenhorn E,McDevitt MT,Hutchins P,Wilkerson EM,Wancewicz B,Russell J,Stefely MS,Beebe ET,Jochem A,Coon JJ,Bingman CA,Dal Peraro M,Pagliarini DJ

更新日期：2019-02-21 00:00:00

abstract：:Bacteria commonly exist in high cell density populations, making them prone to viral predation and horizontal gene transfer (HGT) through transformation and conjugation. To combat these invaders, bacteria possess an arsenal of defenses, such as CRISPR-Cas adaptive immunity. Many bacterial populations coordinate their ...

journal_title：Molecular cell

authors： Patterson AG,Jackson SA,Taylor C,Evans GB,Salmond GPC,Przybilski R,Staals RHJ,Fineran PC

更新日期：2016-12-15 00:00:00

abstract：:Trimethylation on H3K27 (H3K27me3) mediated by Polycomb repressive complex 2 (PRC2) has been linked to embryonic stem cell (ESC) identity and pluripotency. EZH2, the catalytic subunit of PRC2, has been reported as the sole histone methyltransferase that methylates H3K27 and mediates transcriptional silencing. Analysis...

journal_title：Molecular cell

authors： Shen X,Liu Y,Hsu YJ,Fujiwara Y,Kim J,Mao X,Yuan GC,Orkin SH

更新日期：2008-11-21 00:00:00

abstract：:Cockayne syndrome group B (CSB) protein plays a role in both transcription-coupled DNA repair and transcriptional regulation of all three classes of nuclear RNA polymerases. Here we show that a complex consisting of CSB, RNA polymerase I (Pol I), and histone methyltransferase G9a is present at active rRNA genes. G9a m...

journal_title：Molecular cell

authors： Yuan X,Feng W,Imhof A,Grummt I,Zhou Y

更新日期：2007-08-17 00:00:00

abstract：:Inappropriate activation of oncogenic kinases at intracellular locations is frequently observed in human cancers, but its effects on global signaling are incompletely understood. Here, we show that the oncogenic mutant of Flt3 (Flt3-ITD), when localized at the endoplasmic reticulum (ER), aberrantly activates STAT5 and...

journal_title：Molecular cell

authors： Choudhary C,Olsen JV,Brandts C,Cox J,Reddy PN,Böhmer FD,Gerke V,Schmidt-Arras DE,Berdel WE,Müller-Tidow C,Mann M,Serve H

更新日期：2009-10-23 00:00:00

abstract：:In this issue of Molecular Cell, Ginno et al. (2012) describe unusual sequence features at promoter CpG islands that can lead to formation of persistent RNA-DNA hybrids (R loops), which are proposed to prevent genomic DNA methylation. ...

journal_title：Molecular cell

authors： Vertino PM,Wade PA

更新日期：2012-03-30 00:00:00

abstract：:Small DNA viruses force quiescent cells to reenter the cell cycle in order to replicate their DNA. We report here that the adenovirus E1A protein creates an S phase environment in quiescent cells by overcoming the nucleosomal repression of E2F-targeted genes. These genes are surrounded by Lys-9-methylated H3 histones,...

journal_title：Molecular cell

authors： Ghosh MK,Harter ML

更新日期：2003-07-01 00:00:00

abstract：:Despite the relevance of Argonaute proteins in RNA silencing, little is known about the structural steps of small RNA loading to form RNA-induced silencing complexes (RISCs). We report the 1.9 Å crystal structure of human Argonaute4 with guide RNA. Comparison with the previously determined apo structure of Neurospora ...

journal_title：Molecular cell

authors： Park MS,Araya-Secchi R,Brackbill JA,Phan HD,Kehling AC,Abd El-Wahab EW,Dayeh DM,Sotomayor M,Nakanishi K

更新日期：2019-08-22 00:00:00

abstract：:Small heat shock proteins (sHsps) are ubiquitous molecular chaperones that prevent the aggregation of unfolding proteins during proteotoxic stress. In Caenorhabditis elegans, Sip1 is the only sHsp exclusively expressed in oocytes and embryos. Here, we demonstrate that Sip1 is essential for heat shock survival of repro...

journal_title：Molecular cell

authors： Fleckenstein T,Kastenmüller A,Stein ML,Peters C,Daake M,Krause M,Weinfurtner D,Haslbeck M,Weinkauf S,Groll M,Buchner J

更新日期：2015-06-18 00:00:00

abstract：:The Holliday junction is a central intermediate in homologous recombination. It consists of a four-way structure that can be resolved by cleavage to give either the crossover or noncrossover products observed. We show here that the formation of these products is controlled by the E. coli resolvasome (RuvABC) in such w...

journal_title：Molecular cell

authors： Cromie GA,Leach DR

更新日期：2000-10-01 00:00:00

abstract：:Cardozo Gizzi et al. (2019) develop a new sequential imaging methodology (Hi-M) for observing chromosome structure in the Drosophila blastoderm and find that topological domains in single nuclei change in response to transcriptional activation. ...

journal_title：Molecular cell

authors： Larson DR

更新日期：2019-04-04 00:00:00

abstract：:Diaphanous-related formins (DRFs) regulate dynamics of unbranched actin filaments during cell contraction and cytokinesis. DRFs are autoinhibited through intramolecular binding of a Diaphanous autoinhibitory domain (DAD) to a conserved N-terminal regulatory element. Autoinhibition is relieved through binding of the GT...

journal_title：Molecular cell

authors： Otomo T,Otomo C,Tomchick DR,Machius M,Rosen MK

更新日期：2005-04-29 00:00:00

abstract：:Stress granules are mRNA-protein assemblies formed from nontranslating mRNAs. Stress granules are important in the stress response and may contribute to some degenerative diseases. Here, we describe the stress granule transcriptome of yeast and mammalian cells through RNA-sequencing (RNA-seq) analysis of purified stre...

journal_title：Molecular cell

authors： Khong A,Matheny T,Jain S,Mitchell SF,Wheeler JR,Parker R

更新日期：2017-11-16 00:00:00

abstract：:It has been suspected that cell-cycle progression might be functionally coupled with RNA processing. However, little is known about the role of the precise splicing control in cell-cycle progression. Here, we report that SON, a large Ser/Arg (SR)-related protein, is a splicing cofactor contributing to efficient splici...

journal_title：Molecular cell

authors： Ahn EY,DeKelver RC,Lo MC,Nguyen TA,Matsuura S,Boyapati A,Pandit S,Fu XD,Zhang DE

更新日期：2011-04-22 00:00:00