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  • Gene Expression Profiling  (21)
  • Nature Publishing Group (NPG)  (21)
  • 2010-2014  (21)
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  • 1
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    Mirror extreme BMI phenotypes associated with gene dosage at the chromosome 16p11.2 locus (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-09-02
    Description: Both obesity and being underweight have been associated with increased mortality. Underweight, defined as a body mass index (BMI) 〈/= 18.5 kg per m(2) in adults and 〈/= -2 standard deviations from the mean in children, is the main sign of a series of heterogeneous clinical conditions including failure to thrive, feeding and eating disorder and/or anorexia nervosa. In contrast to obesity, few genetic variants underlying these clinical conditions have been reported. We previously showed that hemizygosity of a approximately 600-kilobase (kb) region on the short arm of chromosome 16 causes a highly penetrant form of obesity that is often associated with hyperphagia and intellectual disabilities. Here we show that the corresponding reciprocal duplication is associated with being underweight. We identified 138 duplication carriers (including 132 novel cases and 108 unrelated carriers) from individuals clinically referred for developmental or intellectual disabilities (DD/ID) or psychiatric disorders, or recruited from population-based cohorts. These carriers show significantly reduced postnatal weight and BMI. Half of the boys younger than five years are underweight with a probable diagnosis of failure to thrive, whereas adult duplication carriers have an 8.3-fold increased risk of being clinically underweight. We observe a trend towards increased severity in males, as well as a depletion of male carriers among non-medically ascertained cases. These features are associated with an unusually high frequency of selective and restrictive eating behaviours and a significant reduction in head circumference. Each of the observed phenotypes is the converse of one reported in carriers of deletions at this locus. The phenotypes correlate with changes in transcript levels for genes mapping within the duplication but not in flanking regions. The reciprocal impact of these 16p11.2 copy-number variants indicates that severe obesity and being underweight could have mirror aetiologies, possibly through contrasting effects on energy balance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3637175/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3637175/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacquemont, Sebastien -- Reymond, Alexandre -- Zufferey, Flore -- Harewood, Louise -- Walters, Robin G -- Kutalik, Zoltan -- Martinet, Danielle -- Shen, Yiping -- Valsesia, Armand -- Beckmann, Noam D -- Thorleifsson, Gudmar -- Belfiore, Marco -- Bouquillon, Sonia -- Campion, Dominique -- de Leeuw, Nicole -- de Vries, Bert B A -- Esko, Tonu -- Fernandez, Bridget A -- Fernandez-Aranda, Fernando -- Fernandez-Real, Jose Manuel -- Gratacos, Monica -- Guilmatre, Audrey -- Hoyer, Juliane -- Jarvelin, Marjo-Riitta -- Kooy, R Frank -- Kurg, Ants -- Le Caignec, Cedric -- Mannik, Katrin -- Platt, Orah S -- Sanlaville, Damien -- Van Haelst, Mieke M -- Villatoro Gomez, Sergi -- Walha, Faida -- Wu, Bai-Lin -- Yu, Yongguo -- Aboura, Azzedine -- Addor, Marie-Claude -- Alembik, Yves -- Antonarakis, Stylianos E -- Arveiler, Benoit -- Barth, Magalie -- Bednarek, Nathalie -- Bena, Frederique -- Bergmann, Sven -- Beri, Mylene -- Bernardini, Laura -- Blaumeiser, Bettina -- Bonneau, Dominique -- Bottani, Armand -- Boute, Odile -- Brunner, Han G -- Cailley, Dorothee -- Callier, Patrick -- Chiesa, Jean -- Chrast, Jacqueline -- Coin, Lachlan -- Coutton, Charles -- Cuisset, Jean-Marie -- Cuvellier, Jean-Christophe -- David, Albert -- de Freminville, Benedicte -- Delobel, Bruno -- Delrue, Marie-Ange -- Demeer, Benedicte -- Descamps, Dominique -- Didelot, Gerard -- Dieterich, Klaus -- Disciglio, Vittoria -- Doco-Fenzy, Martine -- Drunat, Severine -- Duban-Bedu, Benedicte -- Dubourg, Christele -- El-Sayed Moustafa, Julia S -- Elliott, Paul -- Faas, Brigitte H W -- Faivre, Laurence -- Faudet, Anne -- Fellmann, Florence -- Ferrarini, Alessandra -- Fisher, Richard -- Flori, Elisabeth -- Forer, Lukas -- Gaillard, Dominique -- Gerard, Marion -- Gieger, Christian -- Gimelli, Stefania -- Gimelli, Giorgio -- Grabe, Hans J -- Guichet, Agnes -- Guillin, Olivier -- Hartikainen, Anna-Liisa -- Heron, Delphine -- Hippolyte, Loyse -- Holder, Muriel -- Homuth, Georg -- Isidor, Bertrand -- Jaillard, Sylvie -- Jaros, Zdenek -- Jimenez-Murcia, Susana -- Helas, Geraldine Joly -- Jonveaux, Philippe -- Kaksonen, Satu -- Keren, Boris -- Kloss-Brandstatter, Anita -- Knoers, Nine V A M -- Koolen, David A -- Kroisel, Peter M -- Kronenberg, Florian -- Labalme, Audrey -- Landais, Emilie -- Lapi, Elisabetta -- Layet, Valerie -- Legallic, Solenn -- Leheup, Bruno -- Leube, Barbara -- Lewis, Suzanne -- Lucas, Josette -- MacDermot, Kay D -- Magnusson, Pall -- Marshall, Christian -- Mathieu-Dramard, Michele -- McCarthy, Mark I -- Meitinger, Thomas -- Mencarelli, Maria Antonietta -- Merla, Giuseppe -- Moerman, Alexandre -- Mooser, Vincent -- Morice-Picard, Fanny -- Mucciolo, Mafalda -- Nauck, Matthias -- Ndiaye, Ndeye Coumba -- Nordgren, Ann -- Pasquier, Laurent -- Petit, Florence -- Pfundt, Rolph -- Plessis, Ghislaine -- Rajcan-Separovic, Evica -- Ramelli, Gian Paolo -- Rauch, Anita -- Ravazzolo, Roberto -- Reis, Andre -- Renieri, Alessandra -- Richart, Cristobal -- Ried, Janina S -- Rieubland, Claudine -- Roberts, Wendy -- Roetzer, Katharina M -- Rooryck, Caroline -- Rossi, Massimiliano -- Saemundsen, Evald -- Satre, Veronique -- Schurmann, Claudia -- Sigurdsson, Engilbert -- Stavropoulos, Dimitri J -- Stefansson, Hreinn -- Tengstrom, Carola -- Thorsteinsdottir, Unnur -- Tinahones, Francisco J -- Touraine, Renaud -- Vallee, Louis -- van Binsbergen, Ellen -- Van der Aa, Nathalie -- Vincent-Delorme, Catherine -- Visvikis-Siest, Sophie -- Vollenweider, Peter -- Volzke, Henry -- Vulto-van Silfhout, Anneke T -- Waeber, Gerard -- Wallgren-Pettersson, Carina -- Witwicki, Robert M -- Zwolinksi, Simon -- Andrieux, Joris -- Estivill, Xavier -- Gusella, James F -- Gustafsson, Omar -- Metspalu, Andres -- Scherer, Stephen W -- Stefansson, Kari -- Blakemore, Alexandra I F -- Beckmann, Jacques S -- Froguel, Philippe -- 090532/Wellcome Trust/United Kingdom -- 1RL1MH083268-01/MH/NIMH NIH HHS/ -- 5R01HL087679-02/HL/NHLBI NIH HHS/ -- 5R01MH63706:02/MH/NIMH NIH HHS/ -- AS2173/Autism Speaks/ -- G0500539/Medical Research Council/United Kingdom -- G0600705/Medical Research Council/United Kingdom -- G0801056/Medical Research Council/United Kingdom -- GM061354/GM/NIGMS NIH HHS/ -- MH071425/MH/NIMH NIH HHS/ -- MOP 74502/Canadian Institutes of Health Research/Canada -- Wellcome Trust/United Kingdom -- England -- Nature. 2011 Aug 31;478(7367):97-102. doi: 10.1038/nature10406.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Service of Medical Genetics, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21881559" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Aging ; Body Height/genetics ; *Body Mass Index ; Case-Control Studies ; Child ; Child, Preschool ; Chromosomes, Human, Pair 16/*genetics ; Cohort Studies ; Comparative Genomic Hybridization ; Developmental Disabilities/genetics ; Energy Metabolism/genetics ; Europe ; Female ; Gene Dosage/*genetics ; Gene Duplication/genetics ; Gene Expression Profiling ; Genetic Predisposition to Disease/genetics ; Genome-Wide Association Study ; Head/anatomy & histology ; Heterozygote ; Humans ; Infant ; Infant, Newborn ; Male ; Mental Disorders/genetics ; Middle Aged ; Mutation/genetics ; North America ; Obesity/*genetics ; *Phenotype ; RNA, Messenger/analysis/genetics ; Sequence Deletion/genetics ; Thinness/*genetics ; Transcription, Genetic ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    NINJA connects the co-repressor TOPLESS to jasmonate signalling (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-04-03
    Description: Jasmonoyl-isoleucine (JA-Ile) is a plant hormone that regulates a broad array of plant defence and developmental processes. JA-Ile-responsive gene expression is regulated by the transcriptional activator MYC2 that interacts physically with the jasmonate ZIM-domain (JAZ) repressor proteins. On perception of JA-Ile, JAZ proteins are degraded and JA-Ile-dependent gene expression is activated. The molecular mechanisms by which JAZ proteins repress gene expression remain unknown. Here we show that the Arabidopsis JAZ proteins recruit the Groucho/Tup1-type co-repressor TOPLESS (TPL) and TPL-related proteins (TPRs) through a previously uncharacterized adaptor protein, designated Novel Interactor of JAZ (NINJA). NINJA acts as a transcriptional repressor whose activity is mediated by a functional TPL-binding EAR repression motif. Accordingly, both NINJA and TPL proteins function as negative regulators of jasmonate responses. Our results point to TPL proteins as general co-repressors that affect multiple signalling pathways through the interaction with specific adaptor proteins. This new insight reveals how stress-related and growth-related signalling cascades use common molecular mechanisms to regulate gene expression in plants.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849182/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849182/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pauwels, Laurens -- Barbero, Gemma Fernandez -- Geerinck, Jan -- Tilleman, Sofie -- Grunewald, Wim -- Perez, Amparo Cuellar -- Chico, Jose Manuel -- Bossche, Robin Vanden -- Sewell, Jared -- Gil, Eduardo -- Garcia-Casado, Gloria -- Witters, Erwin -- Inze, Dirk -- Long, Jeff A -- De Jaeger, Geert -- Solano, Roberto -- Goossens, Alain -- R01 GM072764/GM/NIGMS NIH HHS/ -- R01 GM072764-06/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Apr 1;464(7289):788-91. doi: 10.1038/nature08854.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Systems Biology, Flanders Institute for Biotechnology (VIB), Technologiepark 927, B-9052 Gent, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360743" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/cytology/*drug effects/*metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Cyclopentanes/antagonists & inhibitors/*pharmacology ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Models, Biological ; Oxylipins/antagonists & inhibitors/*pharmacology ; Plants, Genetically Modified ; Protein Binding ; Repressor Proteins/genetics/*metabolism ; Signal Transduction/*drug effects ; Two-Hybrid System Techniques
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    MHC class II transactivator CIITA is a recurrent gene fusion partner in lymphoid cancers (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-03-04
    Description: Chromosomal translocations are critically involved in the molecular pathogenesis of B-cell lymphomas, and highly recurrent and specific rearrangements have defined distinct molecular subtypes linked to unique clinicopathological features. In contrast, several well-characterized lymphoma entities still lack disease-defining translocation events. To identify novel fusion transcripts resulting from translocations, we investigated two Hodgkin lymphoma cell lines by whole-transcriptome paired-end sequencing (RNA-seq). Here we show a highly expressed gene fusion involving the major histocompatibility complex (MHC) class II transactivator CIITA (MHC2TA) in KM-H2 cells. In a subsequent evaluation of 263 B-cell lymphomas, we also demonstrate that genomic CIITA breaks are highly recurrent in primary mediastinal B-cell lymphoma (38%) and classical Hodgkin lymphoma (cHL) (15%). Furthermore, we find that CIITA is a promiscuous partner of various in-frame gene fusions, and we report that CIITA gene alterations impact survival in primary mediastinal B-cell lymphoma (PMBCL). As functional consequences of CIITA gene fusions, we identify downregulation of surface HLA class II expression and overexpression of ligands of the receptor molecule programmed cell death 1 (CD274/PDL1 and CD273/PDL2). These receptor-ligand interactions have been shown to impact anti-tumour immune responses in several cancers, whereas decreased MHC class II expression has been linked to reduced tumour cell immunogenicity. Thus, our findings suggest that recurrent rearrangements of CIITA may represent a novel genetic mechanism underlying tumour-microenvironment interactions across a spectrum of lymphoid cancers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902849/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902849/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steidl, Christian -- Shah, Sohrab P -- Woolcock, Bruce W -- Rui, Lixin -- Kawahara, Masahiro -- Farinha, Pedro -- Johnson, Nathalie A -- Zhao, Yongjun -- Telenius, Adele -- Neriah, Susana Ben -- McPherson, Andrew -- Meissner, Barbara -- Okoye, Ujunwa C -- Diepstra, Arjan -- van den Berg, Anke -- Sun, Mark -- Leung, Gillian -- Jones, Steven J -- Connors, Joseph M -- Huntsman, David G -- Savage, Kerry J -- Rimsza, Lisa M -- Horsman, Douglas E -- Staudt, Louis M -- Steidl, Ulrich -- Marra, Marco A -- Gascoyne, Randy D -- 178536/Canadian Institutes of Health Research/Canada -- R00 CA131503/CA/NCI NIH HHS/ -- R00CA131503/CA/NCI NIH HHS/ -- T32 GM007288/GM/NIGMS NIH HHS/ -- England -- Nature. 2011 Mar 17;471(7338):377-81. doi: 10.1038/nature09754. Epub 2011 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Laboratory Medicine, Centre for Lymphoid Cancers and the Centre for Translational and Applied Genomics, Vancouver, British Columbia, V5Z4E6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21368758" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, CD/genetics/metabolism ; Antigens, CD274 ; Antigens, CD80/genetics/metabolism ; Base Sequence ; Cell Line, Tumor ; Chromosome Breakpoints ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Hodgkin Disease/genetics ; Humans ; In Situ Hybridization, Fluorescence ; Jurkat Cells ; Lymphocyte Activation ; Lymphoma, B-Cell/*genetics ; Molecular Sequence Data ; Nuclear Proteins/*genetics ; Oncogene Proteins, Fusion/*genetics ; Programmed Cell Death 1 Ligand 2 Protein ; RNA, Neoplasm/genetics ; T-Lymphocytes/immunology/metabolism/pathology ; Tissue Array Analysis ; Trans-Activators/*genetics ; Translocation, Genetic/*genetics ; Tumor Microenvironment
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Interpreting cancer genomes using systematic host network perturbations by tumour virus proteins (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-07-20
    Description: Genotypic differences greatly influence susceptibility and resistance to disease. Understanding genotype-phenotype relationships requires that phenotypes be viewed as manifestations of network properties, rather than simply as the result of individual genomic variations. Genome sequencing efforts have identified numerous germline mutations, and large numbers of somatic genomic alterations, associated with a predisposition to cancer. However, it remains difficult to distinguish background, or 'passenger', cancer mutations from causal, or 'driver', mutations in these data sets. Human viruses intrinsically depend on their host cell during the course of infection and can elicit pathological phenotypes similar to those arising from mutations. Here we test the hypothesis that genomic variations and tumour viruses may cause cancer through related mechanisms, by systematically examining host interactome and transcriptome network perturbations caused by DNA tumour virus proteins. The resulting integrated viral perturbation data reflects rewiring of the host cell networks, and highlights pathways, such as Notch signalling and apoptosis, that go awry in cancer. We show that systematic analyses of host targets of viral proteins can identify cancer genes with a success rate on a par with their identification through functional genomics and large-scale cataloguing of tumour mutations. Together, these complementary approaches increase the specificity of cancer gene identification. Combining systems-level studies of pathogen-encoded gene products with genomic approaches will facilitate the prioritization of cancer-causing driver genes to advance the understanding of the genetic basis of human cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3408847/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3408847/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rozenblatt-Rosen, Orit -- Deo, Rahul C -- Padi, Megha -- Adelmant, Guillaume -- Calderwood, Michael A -- Rolland, Thomas -- Grace, Miranda -- Dricot, Amelie -- Askenazi, Manor -- Tavares, Maria -- Pevzner, Samuel J -- Abderazzaq, Fieda -- Byrdsong, Danielle -- Carvunis, Anne-Ruxandra -- Chen, Alyce A -- Cheng, Jingwei -- Correll, Mick -- Duarte, Melissa -- Fan, Changyu -- Feltkamp, Mariet C -- Ficarro, Scott B -- Franchi, Rachel -- Garg, Brijesh K -- Gulbahce, Natali -- Hao, Tong -- Holthaus, Amy M -- James, Robert -- Korkhin, Anna -- Litovchick, Larisa -- Mar, Jessica C -- Pak, Theodore R -- Rabello, Sabrina -- Rubio, Renee -- Shen, Yun -- Singh, Saurav -- Spangle, Jennifer M -- Tasan, Murat -- Wanamaker, Shelly -- Webber, James T -- Roecklein-Canfield, Jennifer -- Johannsen, Eric -- Barabasi, Albert-Laszlo -- Beroukhim, Rameen -- Kieff, Elliott -- Cusick, Michael E -- Hill, David E -- Munger, Karl -- Marto, Jarrod A -- Quackenbush, John -- Roth, Frederick P -- DeCaprio, James A -- Vidal, Marc -- F32 GM095284/GM/NIGMS NIH HHS/ -- F32GM095284/GM/NIGMS NIH HHS/ -- K08 CA122833/CA/NCI NIH HHS/ -- K08 HL098361/HL/NHLBI NIH HHS/ -- K08HL098361/HL/NHLBI NIH HHS/ -- K25 HG006031/HG/NHGRI NIH HHS/ -- K25HG006031/HG/NHGRI NIH HHS/ -- P01 CA050661/CA/NCI NIH HHS/ -- P01CA050661/CA/NCI NIH HHS/ -- P50 HG004233/HG/NHGRI NIH HHS/ -- P50HG004233/HG/NHGRI NIH HHS/ -- R01 CA047006/CA/NCI NIH HHS/ -- R01 CA063113/CA/NCI NIH HHS/ -- R01 CA066980/CA/NCI NIH HHS/ -- R01 CA081135/CA/NCI NIH HHS/ -- R01 CA085180/CA/NCI NIH HHS/ -- R01 CA093804/CA/NCI NIH HHS/ -- R01 CA131354/CA/NCI NIH HHS/ -- R01 HG001715/HG/NHGRI NIH HHS/ -- R01CA047006/CA/NCI NIH HHS/ -- R01CA063113/CA/NCI NIH HHS/ -- R01CA066980/CA/NCI NIH HHS/ -- R01CA081135/CA/NCI NIH HHS/ -- R01CA085180/CA/NCI NIH HHS/ -- R01CA093804/CA/NCI NIH HHS/ -- R01CA131354/CA/NCI NIH HHS/ -- R01HG001715/HG/NHGRI NIH HHS/ -- T32 HL007208/HL/NHLBI NIH HHS/ -- T32HL007208/HL/NHLBI NIH HHS/ -- U01 CA141583/CA/NCI NIH HHS/ -- U01CA141583/CA/NCI NIH HHS/ -- England -- Nature. 2012 Jul 26;487(7408):491-5. doi: 10.1038/nature11288.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genomic Analysis of Network Perturbations Center of Excellence in Genomic Science, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22810586" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/metabolism/pathogenicity ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Genes, Neoplasm/*genetics ; Genome, Human/*genetics ; Herpesvirus 4, Human/genetics/metabolism/pathogenicity ; *Host-Pathogen Interactions/genetics ; Humans ; Neoplasms/*genetics/*metabolism/pathology ; Oncogenic Viruses/genetics/metabolism/*pathogenicity ; Open Reading Frames/genetics ; Papillomaviridae/genetics/metabolism/pathogenicity ; Polyomavirus/genetics/metabolism/pathogenicity ; Receptors, Notch/metabolism ; Signal Transduction ; Two-Hybrid System Techniques ; Viral Proteins/genetics/*metabolism
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
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    Restoration of anterior regeneration in a planarian with limited regenerative ability (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-07-26
    Description: Variability of regenerative potential among animals has long perplexed biologists. On the basis of their exceptional regenerative abilities, planarians have become important models for understanding the molecular basis of regeneration. However, planarian species with limited regenerative abilities are also found. Despite the importance of understanding the differences between closely related, regenerating and non-regenerating organisms, few studies have focused on the evolutionary loss of regeneration, and the molecular mechanisms leading to such regenerative loss remain obscure. Here we examine Procotyla fluviatilis, a planarian with restricted ability to replace missing tissues, using next-generation sequencing to define the gene expression programs active in regeneration-permissive and regeneration-deficient tissues. We found that Wnt signalling is aberrantly activated in regeneration-deficient tissues. Notably, downregulation of canonical Wnt signalling in regeneration-deficient regions restores regenerative abilities: blastemas form and new heads regenerate in tissues that normally never regenerate. This work reveals that manipulating a single signalling pathway can reverse the evolutionary loss of regenerative potential.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3812084/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3812084/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sikes, James M -- Newmark, Phillip A -- F32 GM097921/GM/NIGMS NIH HHS/ -- F32GM097921/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Aug 1;500(7460):77-80. doi: 10.1038/nature12403. Epub 2013 Jul 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. jsikes@usfca.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23883929" target="_blank"〉PubMed〈/a〉
    Keywords: Amputation Stumps ; Animals ; Biological Evolution ; Down-Regulation ; Gene Expression Profiling ; Head/physiology ; Planarians/*anatomy & histology/genetics/*physiology ; Regeneration/genetics/*physiology ; Transcriptome/genetics ; Wnt Proteins/metabolism ; Wnt Signaling Pathway/genetics ; beta Catenin/antagonists & inhibitors/metabolism
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  • 6
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    The oil palm SHELL gene controls oil yield and encodes a homologue of SEEDSTICK (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-07-26
    Description: A key event in the domestication and breeding of the oil palm Elaeis guineensis was loss of the thick coconut-like shell surrounding the kernel. Modern E. guineensis has three fruit forms, dura (thick-shelled), pisifera (shell-less) and tenera (thin-shelled), a hybrid between dura and pisifera. The pisifera palm is usually female-sterile. The tenera palm yields far more oil than dura, and is the basis for commercial palm oil production in all of southeast Asia. Here we describe the mapping and identification of the SHELL gene responsible for the different fruit forms. Using homozygosity mapping by sequencing, we found two independent mutations in the DNA-binding domain of a homologue of the MADS-box gene SEEDSTICK (STK, also known as AGAMOUS-LIKE 11), which controls ovule identity and seed development in Arabidopsis. The SHELL gene is responsible for the tenera phenotype in both cultivated and wild palms from sub-Saharan Africa, and our findings provide a genetic explanation for the single gene hybrid vigour (or heterosis) attributed to SHELL, via heterodimerization. This gene mutation explains the single most important economic trait in oil palm, and has implications for the competing interests of global edible oil production, biofuels and rainforest conservation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4209285/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4209285/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Rajinder -- Low, Eng-Ti Leslie -- Ooi, Leslie Cheng-Li -- Ong-Abdullah, Meilina -- Ting, Ngoot-Chin -- Nagappan, Jayanthi -- Nookiah, Rajanaidu -- Amiruddin, Mohd Din -- Rosli, Rozana -- Manaf, Mohamad Arif Abdul -- Chan, Kuang-Lim -- Halim, Mohd Amin -- Azizi, Norazah -- Lakey, Nathan -- Smith, Steven W -- Budiman, Muhammad A -- Hogan, Michael -- Bacher, Blaire -- Van Brunt, Andrew -- Wang, Chunyan -- Ordway, Jared M -- Sambanthamurthi, Ravigadevi -- Martienssen, Robert A -- R01 GM067014/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Aug 15;500(7462):340-4. doi: 10.1038/nature12356. Epub 2013 Jul 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia. raviga@mpob.gov.my〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23883930" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis Proteins/genetics ; Arecaceae/*genetics/*metabolism ; Chromosome Mapping ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Genes, Plant/*genetics ; Genetic Variation ; Homozygote ; MADS Domain Proteins/genetics ; Molecular Sequence Data ; Mutation ; *Plant Oils ; Sequence Alignment
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    An AUTS2-Polycomb complex activates gene expression in the CNS (2014)
    Nature Publishing Group (NPG)
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    Publication Date: 2014-12-19
    Description: Naturally occurring variations of Polycomb repressive complex 1 (PRC1) comprise a core assembly of Polycomb group proteins and additional factors that include, surprisingly, autism susceptibility candidate 2 (AUTS2). Although AUTS2 is often disrupted in patients with neuronal disorders, the mechanism underlying the pathogenesis is unclear. We investigated the role of AUTS2 as part of a previously identified PRC1 complex (PRC1-AUTS2), and in the context of neurodevelopment. In contrast to the canonical role of PRC1 in gene repression, PRC1-AUTS2 activates transcription. Biochemical studies demonstrate that the CK2 component of PRC1-AUTS2 neutralizes PRC1 repressive activity, whereas AUTS2-mediated recruitment of P300 leads to gene activation. Chromatin immunoprecipitation followed by sequencing (ChIP-seq) demonstrated that AUTS2 regulates neuronal gene expression through promoter association. Conditional targeting of Auts2 in the mouse central nervous system (CNS) leads to various developmental defects. These findings reveal a natural means of subverting PRC1 activity, linking key epigenetic modulators with neuronal functions and diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4323097/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4323097/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Zhonghua -- Lee, Pedro -- Stafford, James M -- von Schimmelmann, Melanie -- Schaefer, Anne -- Reinberg, Danny -- 1DP2MH100012-01/DP/NCCDPHP CDC HHS/ -- 1F32GM105275/GM/NIGMS NIH HHS/ -- 5T32CA160002/CA/NCI NIH HHS/ -- DP2 MH100012/MH/NIMH NIH HHS/ -- F32AA022842/AA/NIAAA NIH HHS/ -- GM-64844/GM/NIGMS NIH HHS/ -- P30 CA016087/CA/NCI NIH HHS/ -- R01 GM064844/GM/NIGMS NIH HHS/ -- T32 CA160002/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2014 Dec 18;516(7531):349-54. doi: 10.1038/nature13921.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, New York University Langone School of Medicine, Department of Biochemistry and Molecular Pharmacology, New York, New York 10016, USA. ; Friedman Brain Institute, Department of Neuroscience, Mount Sinai School of Medicine, New York, New York 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25519132" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/physiology ; Cell Cycle Proteins/genetics/*metabolism ; Central Nervous System/*metabolism ; Female ; Gene Expression Profiling ; Gene Expression Regulation/*genetics ; Gene Knockout Techniques ; Genotype ; HEK293 Cells ; Histones/metabolism ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; Phosphorylation ; Proteins/genetics/*metabolism ; Ubiquitination
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    Bifidobacteria can protect from enteropathogenic infection through production of acetate (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-01-29
    Description: The human gut is colonized with a wide variety of microorganisms, including species, such as those belonging to the bacterial genus Bifidobacterium, that have beneficial effects on human physiology and pathology. Among the most distinctive benefits of bifidobacteria are modulation of host defence responses and protection against infectious diseases. Nevertheless, the molecular mechanisms underlying these effects have barely been elucidated. To investigate these mechanisms, we used mice associated with certain bifidobacterial strains and a simplified model of lethal infection with enterohaemorrhagic Escherichia coli O157:H7, together with an integrated 'omics' approach. Here we show that genes encoding an ATP-binding-cassette-type carbohydrate transporter present in certain bifidobacteria contribute to protecting mice against death induced by E. coli O157:H7. We found that this effect can be attributed, at least in part, to increased production of acetate and that translocation of the E. coli O157:H7 Shiga toxin from the gut lumen to the blood was inhibited. We propose that acetate produced by protective bifidobacteria improves intestinal defence mediated by epithelial cells and thereby protects the host against lethal infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fukuda, Shinji -- Toh, Hidehiro -- Hase, Koji -- Oshima, Kenshiro -- Nakanishi, Yumiko -- Yoshimura, Kazutoshi -- Tobe, Toru -- Clarke, Julie M -- Topping, David L -- Suzuki, Tohru -- Taylor, Todd D -- Itoh, Kikuji -- Kikuchi, Jun -- Morita, Hidetoshi -- Hattori, Masahira -- Ohno, Hiroshi -- England -- Nature. 2011 Jan 27;469(7331):543-7. doi: 10.1038/nature09646.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Epithelial Immunobiology, RIKEN Research Center for Allergy and Immunology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21270894" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/*metabolism ; Animals ; Bifidobacterium/genetics/*metabolism ; Cercopithecus aethiops ; Escherichia coli Infections/microbiology/*prevention & control ; Escherichia coli O157/*physiology ; Gene Expression Profiling ; Genome, Bacterial ; Mice ; Molecular Sequence Data ; Vero Cells
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    New gene functions in megakaryopoiesis and platelet formation (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-12-06
    Description: Platelets are the second most abundant cell type in blood and are essential for maintaining haemostasis. Their count and volume are tightly controlled within narrow physiological ranges, but there is only limited understanding of the molecular processes controlling both traits. Here we carried out a high-powered meta-analysis of genome-wide association studies (GWAS) in up to 66,867 individuals of European ancestry, followed by extensive biological and functional assessment. We identified 68 genomic loci reliably associated with platelet count and volume mapping to established and putative novel regulators of megakaryopoiesis and platelet formation. These genes show megakaryocyte-specific gene expression patterns and extensive network connectivity. Using gene silencing in Danio rerio and Drosophila melanogaster, we identified 11 of the genes as novel regulators of blood cell formation. Taken together, our findings advance understanding of novel gene functions controlling fate-determining events during megakaryopoiesis and platelet formation, providing a new example of successful translation of GWAS to function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3335296/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3335296/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gieger, Christian -- Radhakrishnan, Aparna -- Cvejic, Ana -- Tang, Weihong -- Porcu, Eleonora -- Pistis, Giorgio -- Serbanovic-Canic, Jovana -- Elling, Ulrich -- Goodall, Alison H -- Labrune, Yann -- Lopez, Lorna M -- Magi, Reedik -- Meacham, Stuart -- Okada, Yukinori -- Pirastu, Nicola -- Sorice, Rossella -- Teumer, Alexander -- Voss, Katrin -- Zhang, Weihua -- Ramirez-Solis, Ramiro -- Bis, Joshua C -- Ellinghaus, David -- Gogele, Martin -- Hottenga, Jouke-Jan -- Langenberg, Claudia -- Kovacs, Peter -- O'Reilly, Paul F -- Shin, So-Youn -- Esko, Tonu -- Hartiala, Jaana -- Kanoni, Stavroula -- Murgia, Federico -- Parsa, Afshin -- Stephens, Jonathan -- van der Harst, Pim -- Ellen van der Schoot, C -- Allayee, Hooman -- Attwood, Antony -- Balkau, Beverley -- Bastardot, Francois -- Basu, Saonli -- Baumeister, Sebastian E -- Biino, Ginevra -- Bomba, Lorenzo -- Bonnefond, Amelie -- Cambien, Francois -- Chambers, John C -- Cucca, Francesco -- D'Adamo, Pio -- Davies, Gail -- de Boer, Rudolf A -- de Geus, Eco J C -- Doring, Angela -- Elliott, Paul -- Erdmann, Jeanette -- Evans, David M -- Falchi, Mario -- Feng, Wei -- Folsom, Aaron R -- Frazer, Ian H -- Gibson, Quince D -- Glazer, Nicole L -- Hammond, Chris -- Hartikainen, Anna-Liisa -- Heckbert, Susan R -- Hengstenberg, Christian -- Hersch, Micha -- Illig, Thomas -- Loos, Ruth J F -- Jolley, Jennifer -- Khaw, Kay Tee -- Kuhnel, Brigitte -- Kyrtsonis, Marie-Christine -- Lagou, Vasiliki -- Lloyd-Jones, Heather -- Lumley, Thomas -- Mangino, Massimo -- Maschio, Andrea -- Mateo Leach, Irene -- McKnight, Barbara -- Memari, Yasin -- Mitchell, Braxton D -- Montgomery, Grant W -- Nakamura, Yusuke -- Nauck, Matthias -- Navis, Gerjan -- Nothlings, Ute -- Nolte, Ilja M -- Porteous, David J -- Pouta, Anneli -- Pramstaller, Peter P -- Pullat, Janne -- Ring, Susan M -- Rotter, Jerome I -- Ruggiero, Daniela -- Ruokonen, Aimo -- Sala, Cinzia -- Samani, Nilesh J -- Sambrook, Jennifer -- Schlessinger, David -- Schreiber, Stefan -- Schunkert, Heribert -- Scott, James -- Smith, Nicholas L -- Snieder, Harold -- Starr, John M -- Stumvoll, Michael -- Takahashi, Atsushi -- Tang, W H Wilson -- Taylor, Kent -- Tenesa, Albert -- Lay Thein, Swee -- Tonjes, Anke -- Uda, Manuela -- Ulivi, Sheila -- van Veldhuisen, Dirk J -- Visscher, Peter M -- Volker, Uwe -- Wichmann, H-Erich -- Wiggins, Kerri L -- Willemsen, Gonneke -- Yang, Tsun-Po -- Hua Zhao, Jing -- Zitting, Paavo -- Bradley, John R -- Dedoussis, George V -- Gasparini, Paolo -- Hazen, Stanley L -- Metspalu, Andres -- Pirastu, Mario -- Shuldiner, Alan R -- Joost van Pelt, L -- Zwaginga, Jaap-Jan -- Boomsma, Dorret I -- Deary, Ian J -- Franke, Andre -- Froguel, Philippe -- Ganesh, Santhi K -- Jarvelin, Marjo-Riitta -- Martin, Nicholas G -- Meisinger, Christa -- Psaty, Bruce M -- Spector, Timothy D -- Wareham, Nicholas J -- Akkerman, Jan-Willem N -- Ciullo, Marina -- Deloukas, Panos -- Greinacher, Andreas -- Jupe, Steve -- Kamatani, Naoyuki -- Khadake, Jyoti -- Kooner, Jaspal S -- Penninger, Josef -- Prokopenko, Inga -- Stemple, Derek -- Toniolo, Daniela -- Wernisch, Lorenz -- Sanna, Serena -- Hicks, Andrew A -- Rendon, Augusto -- Ferreira, Manuel A -- Ouwehand, Willem H -- Soranzo, Nicole -- 092731/Wellcome Trust/United Kingdom -- 098051/Wellcome Trust/United Kingdom -- BB/F019394/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- CZB/4/505/Chief Scientist Office/United Kingdom -- ETM/55/Chief Scientist Office/United Kingdom -- G0000111/Medical Research Council/United Kingdom -- G0601966/Medical Research Council/United Kingdom -- G0700704/Medical Research Council/United Kingdom -- G0700931/Medical Research Council/United Kingdom -- G0701120/Medical Research Council/United Kingdom -- G0701863/Medical Research Council/United Kingdom -- G0801056/Medical Research Council/United Kingdom -- G1000143/Medical Research Council/United Kingdom -- K12 RR023250/RR/NCRR NIH HHS/ -- K12 RR023250-05/RR/NCRR NIH HHS/ -- M01 RR016500/RR/NCRR NIH HHS/ -- M01 RR016500-08/RR/NCRR NIH HHS/ -- MC_U105260799/Medical Research Council/United Kingdom -- MC_U106179471/Medical Research Council/United Kingdom -- MC_U106188470/Medical Research Council/United Kingdom -- N01 HC055015/HC/NHLBI NIH HHS/ -- N01 HC055016/HC/NHLBI NIH HHS/ -- N01 HC055018/HC/NHLBI NIH HHS/ -- N01 HC055019/HC/NHLBI NIH HHS/ -- N01 HC055020/HC/NHLBI NIH HHS/ -- N01 HC055021/HC/NHLBI NIH HHS/ -- N01 HC055022/HC/NHLBI NIH HHS/ -- N01 HC085079/HC/NHLBI NIH HHS/ -- P01 HL076491/HL/NHLBI NIH HHS/ -- P01 HL076491-09/HL/NHLBI NIH HHS/ -- P01 HL098055/HL/NHLBI NIH HHS/ -- P01 HL098055-03/HL/NHLBI NIH HHS/ -- P30 DK072488/DK/NIDDK NIH HHS/ -- P30 DK072488-08/DK/NIDDK NIH HHS/ -- P41 HG003751/HG/NHGRI NIH HHS/ -- R01 AG018728/AG/NIA NIH HHS/ -- R01 AG018728-05S1/AG/NIA NIH HHS/ -- R01 GM053275/GM/NIGMS NIH HHS/ -- R01 GM053275-14/GM/NIGMS NIH HHS/ -- R01 HD042157/HD/NICHD NIH HHS/ -- R01 HD042157-01A1/HD/NICHD NIH HHS/ -- R01 HL059367/HL/NHLBI NIH HHS/ -- R01 HL059367-11/HL/NHLBI NIH HHS/ -- R01 HL068986/HL/NHLBI NIH HHS/ -- R01 HL068986-06/HL/NHLBI NIH HHS/ -- R01 HL073410/HL/NHLBI NIH HHS/ -- R01 HL073410-08/HL/NHLBI NIH HHS/ -- R01 HL085251/HL/NHLBI NIH HHS/ -- R01 HL085251-04/HL/NHLBI NIH HHS/ -- R01 HL086694/HL/NHLBI NIH HHS/ -- R01 HL086694-05/HL/NHLBI NIH HHS/ -- R01 HL087641/HL/NHLBI NIH HHS/ -- R01 HL087641-03/HL/NHLBI NIH HHS/ -- R01 HL087679-03/HL/NHLBI NIH HHS/ -- R01 HL088119/HL/NHLBI NIH HHS/ -- R01 HL088119-04/HL/NHLBI NIH HHS/ -- R01 HL103866/HL/NHLBI NIH HHS/ -- R01 HL103866-03/HL/NHLBI NIH HHS/ -- R01 HL105756/HL/NHLBI NIH HHS/ -- RG/09/012/28096/British Heart Foundation/United Kingdom -- RL1 MH083268/MH/NIMH NIH HHS/ -- RL1 MH083268-05/MH/NIMH NIH HHS/ -- U01 GM074518/GM/NIGMS NIH HHS/ -- U01 GM074518-04/GM/NIGMS NIH HHS/ -- U01 HL072515/HL/NHLBI NIH HHS/ -- U01 HL072515-06/HL/NHLBI NIH HHS/ -- U01 HL084756/HL/NHLBI NIH HHS/ -- U01 HL084756-03/HL/NHLBI NIH HHS/ -- U54 RR020278/RR/NCRR NIH HHS/ -- U54 RR020278-06/RR/NCRR NIH HHS/ -- UL1 RR025005/RR/NCRR NIH HHS/ -- UL1 RR025005-05/RR/NCRR NIH HHS/ -- WT077037/Z/05/Z/Wellcome Trust/United Kingdom -- WT077047/Z/05/Z/Wellcome Trust/United Kingdom -- WT082597/Z/07/Z/Wellcome Trust/United Kingdom -- England -- Nature. 2011 Nov 30;480(7376):201-8. doi: 10.1038/nature10659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Genetic Epidemiology, Helmholtz Zentrum Munchen, German Research Center for Environmental Health, Ingolstadter Landstr 1, 85764 Neuherberg, Germany. christian.gieger@helmholtz-muenchen.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22139419" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Platelets/*cytology/metabolism ; Cell Size ; Drosophila Proteins/genetics ; Drosophila melanogaster/genetics ; Europe ; Gene Expression Profiling ; Gene Silencing ; Genome, Human/genetics ; Genome-Wide Association Study ; Hematopoiesis/*genetics ; Humans ; Megakaryocytes/*cytology/metabolism ; Platelet Count ; Protein Interaction Maps ; Transcription, Genetic/genetics ; Zebrafish/genetics ; Zebrafish Proteins/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    The protein quality control system manages plant defence compound synthesis (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-11-12
    Description: Jasmonates are ubiquitous oxylipin-derived phytohormones that are essential in the regulation of many development, growth and defence processes. Across the plant kingdom, jasmonates act as elicitors of the production of bioactive secondary metabolites that serve in defence against attackers. Knowledge of the conserved jasmonate perception and early signalling machineries is increasing, but the downstream mechanisms that regulate defence metabolism remain largely unknown. Here we show that, in the legume Medicago truncatula, jasmonate recruits the endoplasmic-reticulum-associated degradation (ERAD) quality control system to manage the production of triterpene saponins, widespread bioactive compounds that share a biogenic origin with sterols. An ERAD-type RING membrane-anchor E3 ubiquitin ligase is co-expressed with saponin synthesis enzymes to control the activity of 3-hydroxy-3-methylglutaryl-CoA reductase (HMGR), the rate-limiting enzyme in the supply of the ubiquitous terpene precursor isopentenyl diphosphate. Thus, unrestrained bioactive saponin accumulation is prevented and plant development and integrity secured. This control apparatus is equivalent to the ERAD system that regulates sterol synthesis in yeasts and mammals but that uses distinct E3 ubiquitin ligases, of the HMGR degradation 1 (HRD1) type, to direct destruction of HMGR. Hence, the general principles for the management of sterol and triterpene saponin biosynthesis are conserved across eukaryotes but can be controlled by divergent regulatory cues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pollier, Jacob -- Moses, Tessa -- Gonzalez-Guzman, Miguel -- De Geyter, Nathan -- Lippens, Saskia -- Vanden Bossche, Robin -- Marhavy, Peter -- Kremer, Anna -- Morreel, Kris -- Guerin, Christopher J -- Tava, Aldo -- Oleszek, Wieslaw -- Thevelein, Johan M -- Campos, Narciso -- Goormachtig, Sofie -- Goossens, Alain -- England -- Nature. 2013 Dec 5;504(7478):148-52. doi: 10.1038/nature12685. Epub 2013 Nov 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Plant Systems Biology, VIB, Technologiepark 927, Gent B-9052, Belgium [2] Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, Gent B-9052, Belgium [3].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24213631" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; Endoplasmic Reticulum-Associated Degradation ; Gene Expression Profiling ; *Gene Expression Regulation, Plant ; Gene Silencing ; Genetic Complementation Test ; Medicago truncatula/enzymology/*genetics/*metabolism/ultrastructure ; Microscopy, Electron, Scanning ; Molecular Sequence Data ; Mutation ; Plant Growth Regulators/metabolism ; Plant Roots/genetics/metabolism/ultrastructure ; Saccharomyces cerevisiae/genetics/metabolism ; Saponins/biosynthesis/genetics ; Signal Transduction ; Ubiquitin-Protein Ligases/genetics/metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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