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What Are Their Roles in Mitochondrial Protein Synthesis?
Characterisation of human mtRF1 and C12orf65: What are their roles in mitochondrial protein synthesis? Aleksandra Pajak M.Res Thesis submitted to Newcastle University in candidature for the degree of Doctor of Philosophy Newcastle University Faculty of Medical Sciences Institute for Ageing and Health Mitochondrial Research Group January 2013 Abstract Mitochondria have their own protein synthesis machinery that synthesises the oxidative phosphorylation components encoded by their mtDNA. This translation process consists of four main phases: initiation, elongation, termination and ribosome recycling. Termination and its control have been the least investigated. Recently, however, the termination factor, mtRF1a, has been characterised as sufficient to release all the nascent proteins from the mitoribosome. Furthermore, bioinformatics has identified three additional members of this mitochondrial release factor family namely, mtRF1, C12orf65 and ICT1. The latter is now known to be incorporated into the mitoribosome but its exact function remains unclear. My project has therefore focussed on characterising the remaining two factors; mtRF1 and C12orf65, and investigating their possible involvement in mitochondrial protein synthesis. It has been demonstrated that protein synthesis is not perfect and bacterial ribosomes not infrequently stall during translation. This can result from limiting amounts of charged tRNAs, stable secondary structures, or truncated/degraded transcripts. Ribosome stalling has been shown to cause growth arrest. In order to prevent that and maintain high efficiency of mitochondrial protein synthesis such stalled complexes need to be rapidly recycled. Bacteria have developed at least three distinct mechanisms by which ribosomes can be rescued. Contrastingly, despite the presence of truncated mRNAs in mitochondria, no such quality control mechanisms have been identified in these organelles. -
Analysis of the Relationship Between Ribosomal Protein and SSU Processome Assembly in Saccharomyces Cerevisiae
Analysis of the relationship between ribosomal protein and SSU processome assembly in Saccharomyces cerevisiae Dissertation zur Erlangung des Doktorgrades der Naturwissenschaften (Dr. rer. nat.) der naturwissenschaftlichen Fakultät III – Biologie und vorklinische Medizin - der Universität Regensburg vorgelegt von Steffen Jakob aus Wolfen Januar 2010 Promotionsgesuch eingereicht am: 13. Januar 2010 Die Arbeit wurde angeleitet von: Prof. Dr. Herbert Tschochner Prüfungsausschuss: Vorsitzender: Prof. Dr. Armin Kurtz 1. Prüfer: Prof. Dr. Herbert Tschochner 2. Prüfer: Prof. Dr. Rainer Deutzmann 3. Prüfer: Prof. Dr. Wolfgang Seufert Tag der mündlichen Prüfung: 24. März 2010 Die vorliegende Arbeit wurde in der Zeit von April 2006 bis Januar 2010 am Lehrstuhl Biochemie III des Institutes für Biochemie, Genetik und Mikrobiologie der Naturwissenschaftlichen Fakultät III der Universität zu Regensburg unter Anleitung von Dr. Philipp Milkereit im Labor von Prof. Dr. Herbert Tschochner angefertigt. Ich erkläre hiermit, dass ich diese Arbeit selbst verfasst und keine anderen als die angegebenen Quellen und Hilfsmittel verwendet habe. Diese Arbeit war bisher noch nicht Bestandteil eines Prüfungsverfahrens. Andere Promotionsversuche wurden nicht unternommen. Regensburg, den 13. Januar 2010 Steffen Jakob Table of Contents Table of Contents 1 SUMMARY ...................................................................................................... 1 2 INTRODUCTION ............................................................................................ -
The Concise Guide to Pharmacology 2019/20
Edinburgh Research Explorer THE CONCISE GUIDE TO PHARMACOLOGY 2019/20 Citation for published version: Cgtp Collaborators 2019, 'THE CONCISE GUIDE TO PHARMACOLOGY 2019/20: Transporters', British Journal of Pharmacology, vol. 176 Suppl 1, pp. S397-S493. https://doi.org/10.1111/bph.14753 Digital Object Identifier (DOI): 10.1111/bph.14753 Link: Link to publication record in Edinburgh Research Explorer Document Version: Publisher's PDF, also known as Version of record Published In: British Journal of Pharmacology General rights Copyright for the publications made accessible via the Edinburgh Research Explorer is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. Take down policy The University of Edinburgh has made every reasonable effort to ensure that Edinburgh Research Explorer content complies with UK legislation. If you believe that the public display of this file breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 28. Sep. 2021 S.P.H. Alexander et al. The Concise Guide to PHARMACOLOGY 2019/20: Transporters. British Journal of Pharmacology (2019) 176, S397–S493 THE CONCISE GUIDE TO PHARMACOLOGY 2019/20: Transporters Stephen PH Alexander1 , Eamonn Kelly2, Alistair Mathie3 ,JohnAPeters4 , Emma L Veale3 , Jane F Armstrong5 , Elena Faccenda5 ,SimonDHarding5 ,AdamJPawson5 , Joanna L -
Transport of Sugars
BI84CH32-Frommer ARI 29 April 2015 12:34 Transport of Sugars Li-Qing Chen,1,∗ Lily S. Cheung,1,∗ Liang Feng,3 Widmar Tanner,2 and Wolf B. Frommer1 1Department of Plant Biology, Carnegie Institution for Science, Stanford, California 94305; email: [email protected] 2Zellbiologie und Pflanzenbiochemie, Universitat¨ Regensburg, 93040 Regensburg, Germany 3Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, California 94305 Annu. Rev. Biochem. 2015. 84:865–94 Keywords First published online as a Review in Advance on glucose, sucrose, carrier, GLUT, SGLT, SWEET March 5, 2015 The Annual Review of Biochemistry is online at Abstract biochem.annualreviews.org Soluble sugars serve five main purposes in multicellular organisms: as sources This article’s doi: of carbon skeletons, osmolytes, signals, and transient energy storage and as 10.1146/annurev-biochem-060614-033904 transport molecules. Most sugars are derived from photosynthetic organ- Copyright c 2015 by Annual Reviews. isms, particularly plants. In multicellular organisms, some cells specialize All rights reserved in providing sugars to other cells (e.g., intestinal and liver cells in animals, ∗ These authors contributed equally to this review. photosynthetic cells in plants), whereas others depend completely on an ex- Annu. Rev. Biochem. 2015.84:865-894. Downloaded from www.annualreviews.org ternal supply (e.g., brain cells, roots and seeds). This cellular exchange of Access provided by b-on: Universidade de Lisboa (UL) on 09/05/16. For personal use only. sugars requires transport proteins to mediate uptake or release from cells or subcellular compartments. Thus, not surprisingly, sugar transport is criti- cal for plants, animals, and humans. -
Noelia Díaz Blanco
Effects of environmental factors on the gonadal transcriptome of European sea bass (Dicentrarchus labrax), juvenile growth and sex ratios Noelia Díaz Blanco Ph.D. thesis 2014 Submitted in partial fulfillment of the requirements for the Ph.D. degree from the Universitat Pompeu Fabra (UPF). This work has been carried out at the Group of Biology of Reproduction (GBR), at the Department of Renewable Marine Resources of the Institute of Marine Sciences (ICM-CSIC). Thesis supervisor: Dr. Francesc Piferrer Professor d’Investigació Institut de Ciències del Mar (ICM-CSIC) i ii A mis padres A Xavi iii iv Acknowledgements This thesis has been made possible by the support of many people who in one way or another, many times unknowingly, gave me the strength to overcome this "long and winding road". First of all, I would like to thank my supervisor, Dr. Francesc Piferrer, for his patience, guidance and wise advice throughout all this Ph.D. experience. But above all, for the trust he placed on me almost seven years ago when he offered me the opportunity to be part of his team. Thanks also for teaching me how to question always everything, for sharing with me your enthusiasm for science and for giving me the opportunity of learning from you by participating in many projects, collaborations and scientific meetings. I am also thankful to my colleagues (former and present Group of Biology of Reproduction members) for your support and encouragement throughout this journey. To the “exGBRs”, thanks for helping me with my first steps into this world. Working as an undergrad with you Dr. -
Micrornas Mediated Regulation of the Ribosomal Proteins and Its Consequences on the Global Translation of Proteins
cells Review microRNAs Mediated Regulation of the Ribosomal Proteins and Its Consequences on the Global Translation of Proteins Abu Musa Md Talimur Reza 1,2 and Yu-Guo Yuan 1,3,* 1 Jiangsu Co-Innovation Center of Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; [email protected] 2 Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawi´nskiego5a, 02-106 Warsaw, Poland 3 Jiangsu Key Laboratory of Zoonosis/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China * Correspondence: [email protected]; Tel.: +86-514-8797-9228 Abstract: Ribosomal proteins (RPs) are mostly derived from the energy-consuming enzyme families such as ATP-dependent RNA helicases, AAA-ATPases, GTPases and kinases, and are important structural components of the ribosome, which is a supramolecular ribonucleoprotein complex, composed of Ribosomal RNA (rRNA) and RPs, coordinates the translation and synthesis of proteins with the help of transfer RNA (tRNA) and other factors. Not all RPs are indispensable; in other words, the ribosome could be functional and could continue the translation of proteins instead of lacking in some of the RPs. However, the lack of many RPs could result in severe defects in the biogenesis of ribosomes, which could directly influence the overall translation processes and global expression of the proteins leading to the emergence of different diseases including cancer. While microRNAs (miRNAs) are small non-coding RNAs and one of the potent regulators of the post-transcriptional 0 gene expression, miRNAs regulate gene expression by targeting the 3 untranslated region and/or coding region of the messenger RNAs (mRNAs), and by interacting with the 50 untranslated region, Citation: Reza, A.M.M.T.; Yuan, Y.-G. -
The Genetic Landscape of the Human Solute Carrier (SLC) Transporter Superfamily
Human Genetics (2019) 138:1359–1377 https://doi.org/10.1007/s00439-019-02081-x ORIGINAL INVESTIGATION The genetic landscape of the human solute carrier (SLC) transporter superfamily Lena Schaller1 · Volker M. Lauschke1 Received: 4 August 2019 / Accepted: 26 October 2019 / Published online: 2 November 2019 © The Author(s) 2019 Abstract The human solute carrier (SLC) superfamily of transporters is comprised of over 400 membrane-bound proteins, and plays essential roles in a multitude of physiological and pharmacological processes. In addition, perturbation of SLC transporter function underlies numerous human diseases, which renders SLC transporters attractive drug targets. Common genetic polymorphisms in SLC genes have been associated with inter-individual diferences in drug efcacy and toxicity. However, despite their tremendous clinical relevance, epidemiological data of these variants are mostly derived from heterogeneous cohorts of small sample size and the genetic SLC landscape beyond these common variants has not been comprehensively assessed. In this study, we analyzed Next-Generation Sequencing data from 141,456 individuals from seven major human populations to evaluate genetic variability, its functional consequences, and ethnogeographic patterns across the entire SLC superfamily of transporters. Importantly, of the 204,287 exonic single-nucleotide variants (SNVs) which we identifed, 99.8% were present in less than 1% of analyzed alleles. Comprehensive computational analyses using 13 partially orthogonal algorithms that predict the functional impact of genetic variations based on sequence information, evolutionary conserva- tion, structural considerations, and functional genomics data revealed that each individual genome harbors 29.7 variants with putative functional efects, of which rare variants account for 18%. Inter-ethnic variability was found to be extensive, and 83% of deleterious SLC variants were only identifed in a single population. -
History of the Ribosome and the Origin of Translation
History of the ribosome and the origin of translation Anton S. Petrova,1, Burak Gulena, Ashlyn M. Norrisa, Nicholas A. Kovacsa, Chad R. Berniera, Kathryn A. Laniera, George E. Foxb, Stephen C. Harveyc, Roger M. Wartellc, Nicholas V. Huda, and Loren Dean Williamsa,1 aSchool of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332; bDepartment of Biology and Biochemistry, University of Houston, Houston, TX, 77204; and cSchool of Biology, Georgia Institute of Technology, Atlanta, GA 30332 Edited by David M. Hillis, The University of Texas at Austin, Austin, TX, and approved November 6, 2015 (received for review May 18, 2015) We present a molecular-level model for the origin and evolution of building up of the functional centers, proceeds to the establishment the translation system, using a 3D comparative method. In this model, of the common core, and continues to the development of large the ribosome evolved by accretion, recursively adding expansion metazoan rRNAs. segments, iteratively growing, subsuming, and freezing the rRNA. Incremental evolution of function is mapped out by stepwise Functions of expansion segments in the ancestral ribosome are accretion of rRNA. In the extant ribosome, specific segments of assigned by correspondence with their functions in the extant rRNA perform specific functions including peptidyl transfer, ribosome. The model explains the evolution of the large ribosomal subunit association, decoding, and energy-driven translocation subunit, the small ribosomal subunit, tRNA, and mRNA. Prokaryotic (11). The model assumes that the correlations of rRNA segments ribosomes evolved in six phases, sequentially acquiring capabilities with their functions have been reasonably maintained over the for RNA folding, catalysis, subunit association, correlated evolution, broad course of ribosomal evolution. -
Supplemental Table 3 Site ID Intron Poly(A) Site Type NM/KG Inum
Supplemental Table 3 Site ID Intron Poly(A) site Type NM/KG Inum Region Gene ID Gene Symbol Gene Annotation Hs.120277.1.10 chr3:170997234:170996860 170996950 b NM_153353 7 CDS 151827 LRRC34 leucine rich repeat containing 34 Hs.134470.1.27 chr17:53059664:53084458 53065543 b NM_138962 10 CDS 124540 MSI2 musashi homolog 2 (Drosophila) Hs.162889.1.18 chr14:80367239:80329208 80366262 b NM_152446 12 CDS 145508 C14orf145 chromosome 14 open reading frame 145 Hs.187898.1.27 chr22:28403623:28415294 28404458 b NM_181832 16 3UTR 4771 NF2 neurofibromin 2 (bilateral acoustic neuroma) Hs.228320.1.6 chr10:115527009:115530350 115527470 b BC036365 5 CDS 79949 C10orf81 chromosome 10 open reading frame 81 Hs.266308.1.2 chr11:117279579:117278191 117278967 b NM_032046 12 CDS 84000 TMPRSS13 transmembrane protease, serine 13 Hs.266308.1.4 chr11:117284536:117281662 117283722 b NM_032046 9 CDS 84000 TMPRSS13 transmembrane protease, serine 13 Hs.2689.1.4 chr10:53492398:53563605 53492622 b NM_006258 7 CDS 5592 PRKG1 protein kinase, cGMP-dependent, type I Hs.280781.1.6 chr18:64715646:64829150 64715837 b NM_024781 4 CDS 79839 C18orf14 chromosome 18 open reading frame 14 Hs.305985.2.25 chr12:8983686:8984438 8983942 b BX640639 17 3UTR NA NA NA Hs.312098.1.36 chr1:151843991:151844258 151844232 b NM_003815 15 CDS 8751 ADAM15 a disintegrin and metalloproteinase domain 15 (metargidin) Hs.314338.1.11 chr21:39490293:39481214 39487623 b NM_018963 41 CDS 54014 BRWD1 bromodomain and WD repeat domain containing 1 Hs.33368.1.3 chr15:92685158:92689361 92688314 b NM_018349 6 CDS 55784 MCTP2 multiple C2-domains with two transmembrane regions 2 Hs.346736.1.21 chr2:99270738:99281614 99272414 b AK126402 10 3UTR 51263 MRPL30 mitochondrial ribosomal protein L30 Hs.445061.1.19 chr16:69322898:69290216 69322712 b NM_018052 14 CDS 55697 VAC14 Vac14 homolog (S. -
Nephritis Responses in Murine and Human Lupus Analysis Defines
Downloaded from http://www.jimmunol.org/ by guest on October 2, 2021 is online at: average * The Journal of Immunology , 24 of which you can access for free at: 2012; 189:988-1001; Prepublished online 20 June from submission to initial decision 4 weeks from acceptance to publication Celine C. Berthier, Ramalingam Bethunaickan, Tania Gonzalez-Rivera, Viji Nair, Meera Ramanujam, Weijia Zhang, Erwin P. Bottinger, Stephan Segerer, Maja Lindenmeyer, Clemens D. Cohen, Anne Davidson and Matthias Kretzler 2012; doi: 10.4049/jimmunol.1103031 http://www.jimmunol.org/content/189/2/988 Cross-Species Transcriptional Network Analysis Defines Shared Inflammatory Responses in Murine and Human Lupus Nephritis J Immunol cites 60 articles Submit online. Every submission reviewed by practicing scientists ? is published twice each month by http://jimmunol.org/subscription Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts http://www.jimmunol.org/content/189/2/988.full#ref-list-1 http://www.jimmunol.org/content/suppl/2012/06/20/jimmunol.110303 1.DC1 This article Information about subscribing to The JI No Triage! Fast Publication! Rapid Reviews! 30 days* Why • • • Material References Permissions Email Alerts Subscription Supplementary The Journal of Immunology The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2012 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. This information is current as of October 2, 2021. The Journal of Immunology Cross-Species Transcriptional Network Analysis Defines Shared Inflammatory Responses in Murine and Human Lupus Nephritis Celine C. -
The Genetics of Bipolar Disorder
Molecular Psychiatry (2008) 13, 742–771 & 2008 Nature Publishing Group All rights reserved 1359-4184/08 $30.00 www.nature.com/mp FEATURE REVIEW The genetics of bipolar disorder: genome ‘hot regions,’ genes, new potential candidates and future directions A Serretti and L Mandelli Institute of Psychiatry, University of Bologna, Bologna, Italy Bipolar disorder (BP) is a complex disorder caused by a number of liability genes interacting with the environment. In recent years, a large number of linkage and association studies have been conducted producing an extremely large number of findings often not replicated or partially replicated. Further, results from linkage and association studies are not always easily comparable. Unfortunately, at present a comprehensive coverage of available evidence is still lacking. In the present paper, we summarized results obtained from both linkage and association studies in BP. Further, we indicated new potential interesting genes, located in genome ‘hot regions’ for BP and being expressed in the brain. We reviewed published studies on the subject till December 2007. We precisely localized regions where positive linkage has been found, by the NCBI Map viewer (http://www.ncbi.nlm.nih.gov/mapview/); further, we identified genes located in interesting areas and expressed in the brain, by the Entrez gene, Unigene databases (http://www.ncbi.nlm.nih.gov/entrez/) and Human Protein Reference Database (http://www.hprd.org); these genes could be of interest in future investigations. The review of association studies gave interesting results, as a number of genes seem to be definitively involved in BP, such as SLC6A4, TPH2, DRD4, SLC6A3, DAOA, DTNBP1, NRG1, DISC1 and BDNF. -
SLC12A6 Gene Solute Carrier Family 12 Member 6
SLC12A6 gene solute carrier family 12 member 6 Normal Function The SLC12A6 gene provides instructions for making a protein called a K-Cl cotransporter. This protein is involved in moving charged atoms (ions) of potassium (K) and chlorine (Cl) across the cell membrane. The positively charged potassium ions and negatively charged chlorine ions are moved together (cotransported), so that the charges inside and outside the cell membrane are unchanged (electroneutral). Electroneutral cotransport of ions across cell membranes is involved in many functions of the body. While the specific function of the K-Cl cotransporter produced from the SLC12A6 gene is unknown, it seems to be critical for the development and maintenance of nerve tissue. It may be involved in regulating the amounts of potassium, chlorine, or water in cells and intercellular spaces. The K-Cl cotransporter protein may also help regulate the activity of other proteins that are sensitive to ion concentrations. Health Conditions Related to Genetic Changes Andermann syndrome At least six SLC12A6 gene mutations have been identified in people with Andermann syndrome. Almost all affected individuals of French-Canadian descent have the same mutation in both copies of the SLC12A6 gene, in which the DNA building block ( nucleotide) guanine is deleted at position 2436 (written as 2436delG). This mutation is common in the populations of the Saguenay-Lac-St.-Jean and Charlevoix regions of northeastern Quebec. Most SLC12A6 gene mutations that cause Andermann syndrome result in a K-Cl cotransporter protein that is shortened and nonfunctional. The lack of functional protein produced from the SLC12A6 gene is believed to interfere with the development of the corpus callosum and maintenance of the nerves that transmit signals needed for movement and sensation, resulting in the signs and symptoms of Andermann syndrome.