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CUED Phd and Mphil Thesis Classes
High-throughput Experimental and Computational Studies of Bacterial Evolution Lars Barquist Queens' College University of Cambridge A thesis submitted for the degree of Doctor of Philosophy 23 August 2013 Arrakis teaches the attitude of the knife { chopping off what's incomplete and saying: \Now it's complete because it's ended here." Collected Sayings of Muad'dib Declaration High-throughput Experimental and Computational Studies of Bacterial Evolution The work presented in this dissertation was carried out at the Wellcome Trust Sanger Institute between October 2009 and August 2013. This dissertation is the result of my own work and includes nothing which is the outcome of work done in collaboration except where specifically indicated in the text. This dissertation does not exceed the limit of 60,000 words as specified by the Faculty of Biology Degree Committee. This dissertation has been typeset in 12pt Computer Modern font using LATEX according to the specifications set by the Board of Graduate Studies and the Faculty of Biology Degree Committee. No part of this dissertation or anything substantially similar has been or is being submitted for any other qualification at any other university. Acknowledgements I have been tremendously fortunate to spend the past four years on the Wellcome Trust Genome Campus at the Sanger Institute and the European Bioinformatics Institute. I would like to thank foremost my main collaborators on the studies described in this thesis: Paul Gardner and Gemma Langridge. Their contributions and support have been invaluable. I would also like to thank my supervisor, Alex Bateman, for giving me the freedom to pursue a wide range of projects during my time in his group and for advice. -
TEXT-BOOKS of ANIMAL BIOLOGY a General Zoology of The
TEXT-BOOKS OF ANIMAL BIOLOGY * Edited by JULIAN S. HUXLEY, F.R.S. A General Zoology of the Invertebrates by G. S. Carter Vertebrate Zoology by G. R. de Beer Comparative Physiology by L. T. Hogben Animal Ecology by Challes Elton Life in Inland Waters by Kathleen Carpenter The Development of Sex in Vertebrates by F. W. Rogers Brambell * Edited by H. MUNRO Fox, F.R.S. Animal Evolution / by G. S. Carter Zoogeography of the Land and Inland Waters by L. F. de Beaufort Parasitism and Symbiosis by M. Caullery PARASITISM AND ~SYMBIOSIS BY MAURICE CAULLERY Translated by Averil M. Lysaght, M.Sc., Ph.D. SIDGWICK AND JACKSON LIMITED LONDON First Published 1952 !.lADE AND PRINTED IN GREAT BRITAIN BY WILLIAM CLOWES AND SONS, LlMITED, LONDON AND BECCLES CONTENTS LIST OF ILLUSTRATIONS vii PREFACE TO THE ENGLISH EDITION xi CHAPTER I Commensalism Introduction-commensalism in marine animals-fishes and sea anemones-associations on coral reefs-widespread nature of these relationships-hermit crabs and their associates CHAPTER II Commensalism in Terrestrial Animals Commensals of ants and termites-morphological modifications in symphiles-ants.and slavery-myrmecophilous plants . 16 CHAPTER III From Commensalism to Inquilinism and Parasitism Inquilinism-epizoites-intermittent parasites-general nature of modifications produced by parasitism 30 CHAPTER IV Adaptations to Parasitism in Annelids and Molluscs Polychates-molluscs; lamellibranchs; gastropods 40 CHAPTER V Adaptation to Parasitism in the Crustacea Isopoda-families of Epicarida-Rhizocephala-Ascothoracica -
COEVOLUTIONARY RELATIONSHIPS in a NEW TRIPARTITE MARINE SYMBIOSIS Phylogenetic Affinities of the Symbiotic Protist Nephromyces
COEVOLUTIONARY RELATIONSHIPS IN A NEW TRIPARTITE MARINE SYMBIOSIS Phylogenetic affinities of the symbiotic protist Nephromyces Mary Beth Saffo Marine Biological Laboratory, Woods Hole & Museum of Comparative Zoology, Harvard University Abstract 2. Phenotypic features suggestive of general protistan affinities All molgulid ascidian tunicates (Urochordata, phylum Chordata) : •tubular mitochondrial cristae (fig. 5,8) contain, in the lumen of the peculiar, ductless “renal sac,” an equally •thraustochytrid-like sporangia (fig. 4); other developmental stages bear vague peculiar symbiotic protist, Nephromyces. From the first description of resemblances to various other protistan taxa. Nephromyces in the 1870’s, the phylogenetic affinities, even existence, of this taxon has been a matter of debate. Though classified by Alfred Giard in 1888 as a chytridiomycete, Nephromyces has 3. Ssu rDNA sequences indicate that Nephromyces is an apicomplexan clade (preliminary phylogenetic analysis: a sample resisted definitive identification with any particular fungal or protistan Maximum likelihood trees shown) taxa. While its chitinous walls and hyphal-like cells support the notion of fungal affinities for Nephromyces, many other features , including the divergent phylogenetic implications of its morphologically eclectic life cycle , do not. Sequencing of ssu rDNA, indicates, however, that Nephromyces is an apicomplexan; these molecular data are supported by apicomplexan-like characters in the morphology Nephromyces’ host-transfer and infective stages. Other morphological and biochemical features of Nephromyces , some of Phylogenetic analyses, still in progress, consistently indicate thatNephromyces is a distinct them unusual among apicomplexa, or even protists generally, clade within the Apicomplexa. Although the challenge us to consider the significance of certain phenotypic relationship of Nephromyces to other apicomplexan characters as diagnostic tools in inferring deep phylogenies. -
Real-Time Dynamics of Plasmodium NDC80 Reveals Unusual Modes of Chromosome Segregation During Parasite Proliferation Mohammad Zeeshan1,*, Rajan Pandey1,*, David J
© 2020. Published by The Company of Biologists Ltd | Journal of Cell Science (2021) 134, jcs245753. doi:10.1242/jcs.245753 RESEARCH ARTICLE SPECIAL ISSUE: CELL BIOLOGY OF HOST–PATHOGEN INTERACTIONS Real-time dynamics of Plasmodium NDC80 reveals unusual modes of chromosome segregation during parasite proliferation Mohammad Zeeshan1,*, Rajan Pandey1,*, David J. P. Ferguson2,3, Eelco C. Tromer4, Robert Markus1, Steven Abel5, Declan Brady1, Emilie Daniel1, Rebecca Limenitakis6, Andrew R. Bottrill7, Karine G. Le Roch5, Anthony A. Holder8, Ross F. Waller4, David S. Guttery9 and Rita Tewari1,‡ ABSTRACT eukaryotic organisms to proliferate, propagate and survive. During Eukaryotic cell proliferation requires chromosome replication and these processes, microtubular spindles form to facilitate an equal precise segregation to ensure daughter cells have identical genomic segregation of duplicated chromosomes to the spindle poles. copies. Species of the genus Plasmodium, the causative agents of Chromosome attachment to spindle microtubules (MTs) is malaria, display remarkable aspects of nuclear division throughout their mediated by kinetochores, which are large multiprotein complexes life cycle to meet some peculiar and unique challenges to DNA assembled on centromeres located at the constriction point of sister replication and chromosome segregation. The parasite undergoes chromatids (Cheeseman, 2014; McKinley and Cheeseman, 2016; atypical endomitosis and endoreduplication with an intact nuclear Musacchio and Desai, 2017; Vader and Musacchio, 2017). Each membrane and intranuclear mitotic spindle. To understand these diverse sister chromatid has its own kinetochore, oriented to facilitate modes of Plasmodium cell division, we have studied the behaviour movement to opposite poles of the spindle apparatus. During and composition of the outer kinetochore NDC80 complex, a key part of anaphase, the spindle elongates and the sister chromatids separate, the mitotic apparatus that attaches the centromere of chromosomes to resulting in segregation of the two genomes during telophase. -
Protist Phylogeny and the High-Level Classification of Protozoa
Europ. J. Protistol. 39, 338–348 (2003) © Urban & Fischer Verlag http://www.urbanfischer.de/journals/ejp Protist phylogeny and the high-level classification of Protozoa Thomas Cavalier-Smith Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS, UK; E-mail: [email protected] Received 1 September 2003; 29 September 2003. Accepted: 29 September 2003 Protist large-scale phylogeny is briefly reviewed and a revised higher classification of the kingdom Pro- tozoa into 11 phyla presented. Complementary gene fusions reveal a fundamental bifurcation among eu- karyotes between two major clades: the ancestrally uniciliate (often unicentriolar) unikonts and the an- cestrally biciliate bikonts, which undergo ciliary transformation by converting a younger anterior cilium into a dissimilar older posterior cilium. Unikonts comprise the ancestrally unikont protozoan phylum Amoebozoa and the opisthokonts (kingdom Animalia, phylum Choanozoa, their sisters or ancestors; and kingdom Fungi). They share a derived triple-gene fusion, absent from bikonts. Bikonts contrastingly share a derived gene fusion between dihydrofolate reductase and thymidylate synthase and include plants and all other protists, comprising the protozoan infrakingdoms Rhizaria [phyla Cercozoa and Re- taria (Radiozoa, Foraminifera)] and Excavata (phyla Loukozoa, Metamonada, Euglenozoa, Percolozoa), plus the kingdom Plantae [Viridaeplantae, Rhodophyta (sisters); Glaucophyta], the chromalveolate clade, and the protozoan phylum Apusozoa (Thecomonadea, Diphylleida). Chromalveolates comprise kingdom Chromista (Cryptista, Heterokonta, Haptophyta) and the protozoan infrakingdom Alveolata [phyla Cilio- phora and Miozoa (= Protalveolata, Dinozoa, Apicomplexa)], which diverged from a common ancestor that enslaved a red alga and evolved novel plastid protein-targeting machinery via the host rough ER and the enslaved algal plasma membrane (periplastid membrane). -
Plenary Lecture & Symposium
PLENARY LECTURE & SYMPOSIUM SYMPOSIuM From genomics to flagellar and ciliary struc - MONDAY 29 JulY tures and cytoskeleton dynamics (by FEPS) PlENARY lECTuRE (ISoP Honorary Member lECTuRE) Chairs (by ISoP) Cristina Miceli , University of Camerino, Camerino, Italy Helena Soares , University of Lisbon and Gulbenkian Foun - Introduction - John Dolan , CNRS-Sorbonne University, Ville - dation, Lisbon, Portugal franche-sur-Mer, France. Jack Sunter - Oxford Brookes University, Oxford, UK- Genome Tom Fenchel University of Copenhagen, Copenhagen, Den - wide tagging in trypanosomes uncovers flagellum asymmetries mark Dorota Wloga - Nencki Institute of Experimental Biology, War - ISoP Honorary Member saw, Poland - Deciphering the molecular mechanisms that coor - dinate ciliary outer doublet complexes – search for “missing Size, Shape and Function among Protozoa links” Helena Soares - University of Lisbon and Polytechnic Institute of Lisbon, Lisbon, Portugal - From centrosomal microtubule an - SYMPOSIuM on ciliate biology and taxonomy in memory choring and organization to basal body positioning: TBCCD1 an of Denis lynn (by FEPS/ISoP) elusive protein Chairs Pierangelo luporini , University of Camerino, Camerino, Italy Roberto Docampo , University of Georgia, Athens, Georgia TuESDAY 30 JulY Alan Warren - Natural History Museum, London, UK. The bio - logy and systematics of peritrich ciliates: old concepts and new PlENARY lECTuRE (PAST-PRESIDENT LECTURE, by ISoP) findings Rebecca Zufall - University of Houston, Houston, USA. Amitosis Introduction - Avelina Espinosa , Roger Williams University, and the Evolution of Asexuality in Tetrahymena Ciliates Bristol, USA Sabine Agatha - University of Salzburg, Salzburg, Austria. The biology and systematics of oligotrichean ciliates: new findings David Bass and old concepts Natural History Museum London, London & Cefas, Weymouth, laura utz - School of Sciences, PUCRS, Porto Alegre, Brazil. -
14128 JGI CR 07:2007 JGI Progress Report
U.S. JOINT DEPARTMENT GENOME OF ENERGY INSTITUTE PROGRESS REPORT 2007 On the cover: The eucalyptus tree was selected in 2007 for se- quencing by the JGI. The microbial community in the termite hindgut of Nasutitermes corniger was the subject of a study published in the November 22, 2007 edition of the journal, Nature. JGI Mission The U.S. Department of Energy Joint Genome Institute, supported by the DOE Office of Science, unites the expertise of five national laboratories—Lawrence Berkeley, Lawrence Livermore, Los Alamos, Oak Ridge, and Pacific Northwest — along with the Stanford Human Genome Center to advance genomics in support of the DOE mis- sions related to clean energy generation and environmental char- acterization and cleanup. JGI’s Walnut Creek, CA, Production Genomics Facility provides integrated high-throughput sequencing and computational analysis that enable systems-based scientific approaches to these challenges. U.S. DEPARTMENT OF ENERGY JOINT GENOME INSTITUTE PROGRESS REPORT 2007 JGI PROGRESS REPORT 2007 Director’s Perspective . 4 JGI History. 7 Partner Laboratories . 9 JGI Departments and Programs . 13 JGI User Community . 19 Genomics Approaches to Advancing Next Generation Biofuels . 21 JGI’s Plant Biomass Portfolio . 24 JGI’s Microbial Portfolio . 30 Symbiotic Organisms . 30 Microbes That Break Down Biomass . 32 Microbes That Ferment Sugars Into Ethanol . 34 Carbon Cycling . 39 Understanding Algae’s Role in Photosynthesis and Carbon Capture . 39 Microbial Bioremediation . 43 Microbial Managers of the Nitrogen Cycle . 43 Microbial Management of Wastewater . 44 Exploratory Sequence-Based Science . 47 Genomic Encyclopedia for Bacteria and Archaea (GEBA) . 47 Functional Analysis of Horizontal Gene Transfer . 47 Anemone Genome Gives Glimpse of Multicelled Ancestors . -
Phylogenomics Identifies a New Major Subgroup of Apicomplexans
GBE Phylogenomics Identifies a New Major Subgroup of Apicomplexans, Marosporida class nov., with Extreme Apicoplast Genome Reduction Varsha Mathur1,*, Waldan K. Kwong1, Filip Husnik 2, Nicholas A.T. Irwin 1, Arni Kristmundsson3, Camino Gestal4, Mark Freeman5, and Patrick J. Keeling1 Downloaded from https://academic.oup.com/gbe/article/13/2/evaa244/5988525 by guest on 16 March 2021 1Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada 2Okinawa Institute of Science and Technology, Okinawa, Japan 3Fish Disease Laboratory, Institute for Experimental Pathology, University of Iceland, Reykjavık, Iceland 4Institute of Marine Research (IIM-CSIC), Vigo, Spain 5Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis, West Indies *Corresponding author: E-mail: [email protected]. Accepted: 17 November 2020 Abstract The phylum Apicomplexa consists largely of obligate animal parasites that include the causative agents of human diseases such as malaria. Apicomplexans have also emerged as models to study the evolution of nonphotosynthetic plastids, as they contain a relict chloroplast known as the apicoplast. The apicoplast offers important clues into how apicomplexan parasites evolved from free-living ancestors and can provide insights into reductive organelle evolution. Here, we sequenced the transcriptomes and apicoplast genomes of three deep-branching apicomplexans, Margolisiella islandica, Aggregata octopiana,andMerocystis kathae. Phylogenomic analyses show that these taxa, together with Rhytidocystis, form a new lineage of apicomplexans that is sister to the Coccidia and Hematozoa (the lineages including most medically significant taxa). Members of this clade retain plastid genomes and the canonical apicomplexan plastid metabolism. However, the apicoplast genomes of Margolisiella and Rhytidocystis are the most reduced of any apicoplast, are extremely GC-poor, and have even lost genes for the canonical plastidial RNA polymerase. -
Microbial Ecology of Biofiltration Units Used for the Desulfurization of Biogas
chemengineering Review Microbial Ecology of Biofiltration Units Used for the Desulfurization of Biogas Sylvie Le Borgne 1,* and Guillermo Baquerizo 2,3 1 Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana- Unidad Cuajimalpa, 05348 Ciudad de México, Mexico 2 Irstea, UR REVERSAAL, F-69626 Villeurbanne CEDEX, France 3 Departamento de Ingeniería Química, Alimentos y Ambiental, Universidad de las Américas Puebla, 72810 San Andrés Cholula, Puebla, Mexico * Correspondence: [email protected]; Tel.: +52–555–146–500 (ext. 3877) Received: 1 May 2019; Accepted: 28 June 2019; Published: 7 August 2019 Abstract: Bacterial communities’ composition, activity and robustness determines the effectiveness of biofiltration units for the desulfurization of biogas. It is therefore important to get a better understanding of the bacterial communities that coexist in biofiltration units under different operational conditions for the removal of H2S, the main reduced sulfur compound to eliminate in biogas. This review presents the main characteristics of sulfur-oxidizing chemotrophic bacteria that are the base of the biological transformation of H2S to innocuous products in biofilters. A survey of the existing biofiltration technologies in relation to H2S elimination is then presented followed by a review of the microbial ecology studies performed to date on biotrickling filter units for the treatment of H2S in biogas under aerobic and anoxic conditions. Keywords: biogas; desulfurization; hydrogen sulfide; sulfur-oxidizing bacteria; biofiltration; biotrickling filters; anoxic biofiltration; autotrophic denitrification; microbial ecology; molecular techniques 1. Introduction Biogas is a promising renewable energy source that could contribute to regional economic growth due to its indigenous local-based production together with reduced greenhouse gas emissions [1]. -
VII EUROPEAN CONGRESS of PROTISTOLOGY in Partnership with the INTERNATIONAL SOCIETY of PROTISTOLOGISTS (VII ECOP - ISOP Joint Meeting)
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/283484592 FINAL PROGRAMME AND ABSTRACTS BOOK - VII EUROPEAN CONGRESS OF PROTISTOLOGY in partnership with THE INTERNATIONAL SOCIETY OF PROTISTOLOGISTS (VII ECOP - ISOP Joint Meeting) Conference Paper · September 2015 CITATIONS READS 0 620 1 author: Aurelio Serrano Institute of Plant Biochemistry and Photosynthesis, Joint Center CSIC-Univ. of Seville, Spain 157 PUBLICATIONS 1,824 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Use Tetrahymena as a model stress study View project Characterization of true-branching cyanobacteria from geothermal sites and hot springs of Costa Rica View project All content following this page was uploaded by Aurelio Serrano on 04 November 2015. The user has requested enhancement of the downloaded file. VII ECOP - ISOP Joint Meeting / 1 Content VII ECOP - ISOP Joint Meeting ORGANIZING COMMITTEES / 3 WELCOME ADDRESS / 4 CONGRESS USEFUL / 5 INFORMATION SOCIAL PROGRAMME / 12 CITY OF SEVILLE / 14 PROGRAMME OVERVIEW / 18 CONGRESS PROGRAMME / 19 Opening Ceremony / 19 Plenary Lectures / 19 Symposia and Workshops / 20 Special Sessions - Oral Presentations / 35 by PhD Students and Young Postdocts General Oral Sessions / 37 Poster Sessions / 42 ABSTRACTS / 57 Plenary Lectures / 57 Oral Presentations / 66 Posters / 231 AUTHOR INDEX / 423 ACKNOWLEDGMENTS-CREDITS / 429 President of the Organizing Committee Secretary of the Organizing Committee Dr. Aurelio Serrano -
(PAD) and Post-Translational Protein Deimination—Novel Insights Into Alveolata Metabolism, Epigenetic Regulation and Host–Pathogen Interactions
biology Article Peptidylarginine Deiminase (PAD) and Post-Translational Protein Deimination—Novel Insights into Alveolata Metabolism, Epigenetic Regulation and Host–Pathogen Interactions Árni Kristmundsson 1,*, Ásthildur Erlingsdóttir 1 and Sigrun Lange 2,* 1 Institute for Experimental Pathology at Keldur, University of Iceland, Keldnavegur 3, 112 Reykjavik, Iceland; [email protected] 2 Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK * Correspondence: [email protected] (Á.K.); [email protected] (S.L.) Simple Summary: Alveolates are a major group of free living and parasitic organisms; some of which are serious pathogens of animals and humans. Apicomplexans and chromerids are two phyla belonging to the alveolates. Apicomplexans are obligate intracellular parasites; that cannot complete their life cycle without exploiting a suitable host. Chromerids are mostly photoautotrophs as they can obtain energy from sunlight; and are considered ancestors of the apicomplexans. The pathogenicity and life cycle strategies differ significantly between parasitic alveolates; with some causing major losses in host populations while others seem harmless to the host. As the life cycles of Citation: Kristmundsson, Á.; Erlingsdóttir, Á.; Lange, S. some are still poorly understood, a better understanding of the factors which can affect the parasitic Peptidylarginine Deiminase (PAD) alveolates’ life cycles and survival is of great importance and may aid in new biomarker discovery. and Post-Translational Protein This study assessed new mechanisms relating to changes in protein structure and function (so-called Deimination—Novel Insights into “deimination” or “citrullination”) in two key parasites—an apicomplexan and a chromerid—to Alveolata Metabolism, Epigenetic assess the pathways affected by this protein modification. -
Cluster 1 Cluster 3 Cluster 2
5 9 Luteibacter yeojuensis strain SU11 (Ga0078639_1004, 2640590121) 7 0 Luteibacter rhizovicinus DSM 16549 (Ga0078601_1039, 2631914223) 4 7 Luteibacter sp. UNCMF366Tsu5.1 (FG06DRAFT_scaffold00001.1, 2595447474) 5 5 Dyella japonica UNC79MFTsu3.2 (N515DRAFT_scaffold00003.3, 2558296041) 4 8 100 Rhodanobacter sp. Root179 (Ga0124815_151, 2699823700) 9 4 Rhodanobacter sp. OR87 (RhoOR87DRAFT_scaffold_21.22, 2510416040) Dyella japonica DSM 16301 (Ga0078600_1041, 2640844523) Dyella sp. OK004 (Ga0066746_17, 2609553531) 9 9 9 3 Xanthomonas fuscans (007972314) 100 Xanthomonas axonopodis (078563083) 4 9 Xanthomonas oryzae pv. oryzae KACC10331 (NC_006834, 637633170) 100 100 Xanthomonas albilineans USA048 (Ga0078502_15, 2651125062) 5 6 Xanthomonas translucens XT123 (Ga0113452_1085, 2663222128) 6 5 Lysobacter enzymogenes ATCC 29487 (Ga0111606_103, 2678972498) 100 Rhizobacter sp. Root1221 (056656680) Rhizobacter sp. Root1221 (Ga0102088_103, 2644243628) 100 Aquabacterium sp. NJ1 (052162038) Aquabacterium sp. NJ1 (Ga0077486_101, 2634019136) Uliginosibacterium gangwonense DSM 18521 (B145DRAFT_scaffold_15.16, 2515877853) 9 6 9 7 Derxia lacustris (085315679) 8 7 Derxia gummosa DSM 723 (H566DRAFT_scaffold00003.3, 2529306053) 7 2 Ideonella sp. B508-1 (I73DRAFT_BADL01000387_1.387, 2553574224) Zoogloea sp. LCSB751 (079432982) PHB-accumulating bacterium (PHBDraf_Contig14, 2502333272) Thiobacillus sp. 65-1059 (OJW46643.1) 8 4 Dechloromonas aromatica RCB (NC_007298, 637680051) 8 4 7 7 Dechloromonas sp. JJ (JJ_JJcontig4, 2506671179) Dechloromonas RCB 100 Azoarcus