Nusuttodinium Aeruginosum/Acidotum As a Case Study
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Sex Is a Ubiquitous, Ancient, and Inherent Attribute of Eukaryotic Life
PAPER Sex is a ubiquitous, ancient, and inherent attribute of COLLOQUIUM eukaryotic life Dave Speijera,1, Julius Lukešb,c, and Marek Eliášd,1 aDepartment of Medical Biochemistry, Academic Medical Center, University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands; bInstitute of Parasitology, Biology Centre, Czech Academy of Sciences, and Faculty of Sciences, University of South Bohemia, 370 05 Ceské Budejovice, Czech Republic; cCanadian Institute for Advanced Research, Toronto, ON, Canada M5G 1Z8; and dDepartment of Biology and Ecology, University of Ostrava, 710 00 Ostrava, Czech Republic Edited by John C. Avise, University of California, Irvine, CA, and approved April 8, 2015 (received for review February 14, 2015) Sexual reproduction and clonality in eukaryotes are mostly Sex in Eukaryotic Microorganisms: More Voyeurs Needed seen as exclusive, the latter being rather exceptional. This view Whereas absence of sex is considered as something scandalous for might be biased by focusing almost exclusively on metazoans. a zoologist, scientists studying protists, which represent the ma- We analyze and discuss reproduction in the context of extant jority of extant eukaryotic diversity (2), are much more ready to eukaryotic diversity, paying special attention to protists. We accept that a particular eukaryotic group has not shown any evi- present results of phylogenetically extended searches for ho- dence of sexual processes. Although sex is very well documented mologs of two proteins functioning in cell and nuclear fusion, in many protist groups, and members of some taxa, such as ciliates respectively (HAP2 and GEX1), providing indirect evidence for (Alveolata), diatoms (Stramenopiles), or green algae (Chlor- these processes in several eukaryotic lineages where sex has oplastida), even serve as models to study various aspects of sex- – not been observed yet. -
University of Oklahoma
UNIVERSITY OF OKLAHOMA GRADUATE COLLEGE MACRONUTRIENTS SHAPE MICROBIAL COMMUNITIES, GENE EXPRESSION AND PROTEIN EVOLUTION A DISSERTATION SUBMITTED TO THE GRADUATE FACULTY in partial fulfillment of the requirements for the Degree of DOCTOR OF PHILOSOPHY By JOSHUA THOMAS COOPER Norman, Oklahoma 2017 MACRONUTRIENTS SHAPE MICROBIAL COMMUNITIES, GENE EXPRESSION AND PROTEIN EVOLUTION A DISSERTATION APPROVED FOR THE DEPARTMENT OF MICROBIOLOGY AND PLANT BIOLOGY BY ______________________________ Dr. Boris Wawrik, Chair ______________________________ Dr. J. Phil Gibson ______________________________ Dr. Anne K. Dunn ______________________________ Dr. John Paul Masly ______________________________ Dr. K. David Hambright ii © Copyright by JOSHUA THOMAS COOPER 2017 All Rights Reserved. iii Acknowledgments I would like to thank my two advisors Dr. Boris Wawrik and Dr. J. Phil Gibson for helping me become a better scientist and better educator. I would also like to thank my committee members Dr. Anne K. Dunn, Dr. K. David Hambright, and Dr. J.P. Masly for providing valuable inputs that lead me to carefully consider my research questions. I would also like to thank Dr. J.P. Masly for the opportunity to coauthor a book chapter on the speciation of diatoms. It is still such a privilege that you believed in me and my crazy diatom ideas to form a concise chapter in addition to learn your style of writing has been a benefit to my professional development. I’m also thankful for my first undergraduate research mentor, Dr. Miriam Steinitz-Kannan, now retired from Northern Kentucky University, who was the first to show the amazing wonders of pond scum. Who knew that studying diatoms and algae as an undergraduate would lead me all the way to a Ph.D. -
A Resurgence in Field Research Is Essential to Better Understand
Received Date : 15-Mar-2013 Revised Date : 21-Oct-2013 Accepted Date : 29-Oct-2013 Article type : Symposium Article Heger et al. --- Importance of Field Protistology A Resurgence in Field Research is Essential to Better Understand the Diversity, Ecology, and Evolution of Microbial Eukaryotes Thierry J. Hegera, Virginia P. Edgcombb, Eunsoo Kimc, Julius Lukešd, Brian S. Leandera & Naoji Yubukia a The Departments of Botany and Zoology, Beaty Biodiversity Research Centre and Museum, University of British Columbia, Vancouver, British Columbia, V6T 1Z4, Canada b Woods Hole Oceanographic Institution, Geology and Geophysics Department, Woods Hole, Article MA 02543, USA c Division of Invertebrate Zoology, American Museum of Natural History, New York, NY, 10024, USA d Institute of Parasitology, Biology Centre, Czech Academy of Sciences, and Faculty of Science, University of South Bohemia, 37005 České Budějovice, Czech Republic Correspondence T. J. Heger and N. Yubuki, The Departments of Botany and Zoology, Beaty Biodiversity Research Centre and Museum, University of British Columbia, 6270 University Blvd., Vancouver, British Columbia, V6T 1Z4, Canada Telephone number: +1 604 822 4892; FAX number: +1 604 822 6089; emails: [email protected] and [email protected] ABSTRACT The discovery and characterization of protist communities from diverse environments are crucial for understanding the overall evolutionary history of life on earth. However, major questions about the diversity, ecology, and evolutionary history of protists remain unanswered, -
The Plankton Lifeform Extraction Tool: a Digital Tool to Increase The
Discussions https://doi.org/10.5194/essd-2021-171 Earth System Preprint. Discussion started: 21 July 2021 Science c Author(s) 2021. CC BY 4.0 License. Open Access Open Data The Plankton Lifeform Extraction Tool: A digital tool to increase the discoverability and usability of plankton time-series data Clare Ostle1*, Kevin Paxman1, Carolyn A. Graves2, Mathew Arnold1, Felipe Artigas3, Angus Atkinson4, Anaïs Aubert5, Malcolm Baptie6, Beth Bear7, Jacob Bedford8, Michael Best9, Eileen 5 Bresnan10, Rachel Brittain1, Derek Broughton1, Alexandre Budria5,11, Kathryn Cook12, Michelle Devlin7, George Graham1, Nick Halliday1, Pierre Hélaouët1, Marie Johansen13, David G. Johns1, Dan Lear1, Margarita Machairopoulou10, April McKinney14, Adam Mellor14, Alex Milligan7, Sophie Pitois7, Isabelle Rombouts5, Cordula Scherer15, Paul Tett16, Claire Widdicombe4, and Abigail McQuatters-Gollop8 1 10 The Marine Biological Association (MBA), The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK. 2 Centre for Environment Fisheries and Aquacu∑lture Science (Cefas), Weymouth, UK. 3 Université du Littoral Côte d’Opale, Université de Lille, CNRS UMR 8187 LOG, Laboratoire d’Océanologie et de Géosciences, Wimereux, France. 4 Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK. 5 15 Muséum National d’Histoire Naturelle (MNHN), CRESCO, 38 UMS Patrinat, Dinard, France. 6 Scottish Environment Protection Agency, Angus Smith Building, Maxim 6, Parklands Avenue, Eurocentral, Holytown, North Lanarkshire ML1 4WQ, UK. 7 Centre for Environment Fisheries and Aquaculture Science (Cefas), Lowestoft, UK. 8 Marine Conservation Research Group, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK. 9 20 The Environment Agency, Kingfisher House, Goldhay Way, Peterborough, PE4 6HL, UK. 10 Marine Scotland Science, Marine Laboratory, 375 Victoria Road, Aberdeen, AB11 9DB, UK. -
Plant Life MagillS Encyclopedia of Science
MAGILLS ENCYCLOPEDIA OF SCIENCE PLANT LIFE MAGILLS ENCYCLOPEDIA OF SCIENCE PLANT LIFE Volume 4 Sustainable Forestry–Zygomycetes Indexes Editor Bryan D. Ness, Ph.D. Pacific Union College, Department of Biology Project Editor Christina J. Moose Salem Press, Inc. Pasadena, California Hackensack, New Jersey Editor in Chief: Dawn P. Dawson Managing Editor: Christina J. Moose Photograph Editor: Philip Bader Manuscript Editor: Elizabeth Ferry Slocum Production Editor: Joyce I. Buchea Assistant Editor: Andrea E. Miller Page Design and Graphics: James Hutson Research Supervisor: Jeffry Jensen Layout: William Zimmerman Acquisitions Editor: Mark Rehn Illustrator: Kimberly L. Dawson Kurnizki Copyright © 2003, by Salem Press, Inc. All rights in this book are reserved. No part of this work may be used or reproduced in any manner what- soever or transmitted in any form or by any means, electronic or mechanical, including photocopy,recording, or any information storage and retrieval system, without written permission from the copyright owner except in the case of brief quotations embodied in critical articles and reviews. For information address the publisher, Salem Press, Inc., P.O. Box 50062, Pasadena, California 91115. Some of the updated and revised essays in this work originally appeared in Magill’s Survey of Science: Life Science (1991), Magill’s Survey of Science: Life Science, Supplement (1998), Natural Resources (1998), Encyclopedia of Genetics (1999), Encyclopedia of Environmental Issues (2000), World Geography (2001), and Earth Science (2001). ∞ The paper used in these volumes conforms to the American National Standard for Permanence of Paper for Printed Library Materials, Z39.48-1992 (R1997). Library of Congress Cataloging-in-Publication Data Magill’s encyclopedia of science : plant life / edited by Bryan D. -
Biovolumes and Size-Classes of Phytoplankton in the Baltic Sea
Baltic Sea Environment Proceedings No.106 Biovolumes and Size-Classes of Phytoplankton in the Baltic Sea Helsinki Commission Baltic Marine Environment Protection Commission Baltic Sea Environment Proceedings No. 106 Biovolumes and size-classes of phytoplankton in the Baltic Sea Helsinki Commission Baltic Marine Environment Protection Commission Authors: Irina Olenina, Centre of Marine Research, Taikos str 26, LT-91149, Klaipeda, Lithuania Susanna Hajdu, Dept. of Systems Ecology, Stockholm University, SE-106 91 Stockholm, Sweden Lars Edler, SMHI, Ocean. Services, Nya Varvet 31, SE-426 71 V. Frölunda, Sweden Agneta Andersson, Dept of Ecology and Environmental Science, Umeå University, SE-901 87 Umeå, Sweden, Umeå Marine Sciences Centre, Umeå University, SE-910 20 Hörnefors, Sweden Norbert Wasmund, Baltic Sea Research Institute, Seestr. 15, D-18119 Warnemünde, Germany Susanne Busch, Baltic Sea Research Institute, Seestr. 15, D-18119 Warnemünde, Germany Jeanette Göbel, Environmental Protection Agency (LANU), Hamburger Chaussee 25, D-24220 Flintbek, Germany Slawomira Gromisz, Sea Fisheries Institute, Kollataja 1, 81-332, Gdynia, Poland Siv Huseby, Umeå Marine Sciences Centre, Umeå University, SE-910 20 Hörnefors, Sweden Maija Huttunen, Finnish Institute of Marine Research, Lyypekinkuja 3A, P.O. Box 33, FIN-00931 Helsinki, Finland Andres Jaanus, Estonian Marine Institute, Mäealuse 10 a, 12618 Tallinn, Estonia Pirkko Kokkonen, Finnish Environment Institute, P.O. Box 140, FIN-00251 Helsinki, Finland Iveta Ledaine, Inst. of Aquatic Ecology, Marine Monitoring Center, University of Latvia, Daugavgrivas str. 8, Latvia Elzbieta Niemkiewicz, Maritime Institute in Gdansk, Laboratory of Ecology, Dlugi Targ 41/42, 80-830, Gdansk, Poland All photographs by Finnish Institute of Marine Research (FIMR) Cover photo: Aphanizomenon flos-aquae For bibliographic purposes this document should be cited to as: Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. -
Table of Contents
PLASTID-TARGETED PROTEINS ARE ABSENT FROM THE PROTEOMES OF ACHLYA HYPOGYNA AND THRAUSTOTHECA CLAVATA (OOMYCOTA, STRAMENOPILA): IMPLICATIONS FOR THE ORIGIN OF CHROMALVEOLATE PLASTIDS AND THE ‘GREEN GENE’ HYPOTHESIS Lindsay Rukenbrod A Thesis Submitted to the University of North Carolina Wilmington in Partial Fulfillment of the Requirements for the Degree of Master of Science Center for Marine Science University of North Carolina Wilmington 2012 Approved by Advisory Committee D. Wilson Freshwater Jeremy Morgan Allison Taylor J. Craig Bailey Chair Accepted by Dean, Graduate School This thesis has been prepared in the style and format consistent with the Journal of Eukaryotic Microbiology. ii TABLE OF CONTENTS ABSTRACT .....................................................................................................................iv ACKNOWLEDGMENTS ..................................................................................................vi DEDICATION ................................................................................................................. vii LIST OF TABLES .......................................................................................................... viii LIST OF FIGURES ..........................................................................................................ix CHAPTER 1: Implications for the origin of chromalveolate plastids ............................... X INTRODUCTION .................................................................................................. 1 METHODS........................................................................................................... -
Diversity and Evolution of Protist Mitochondria: Introns, Gene Content and Genome Architecture
Diversity and Evolution of Protist Mitochondria: Introns, Gene Content and Genome Architecture 著者 西村 祐貴 内容記述 この博士論文は内容の要約のみの公開(または一部 非公開)になっています year 2016 その他のタイトル プロティストミトコンドリアの多様性と進化:イン トロン、遺伝子組成、ゲノム構造 学位授与大学 筑波大学 (University of Tsukuba) 学位授与年度 2015 報告番号 12102甲第7737号 URL http://hdl.handle.net/2241/00144261 Diversity and Evolution of Protist Mitochondria: Introns, Gene Content and Genome Architecture A Dissertation Submitted to the Graduate School of Life and Environmental Sciences, the University of Tsukuba in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Science (Doctral Program in Biologial Sciences) Yuki NISHIMURA Table of Contents Abstract ........................................................................................................................... 1 Genes encoded in mitochondrial genomes of eukaryotes ..................................................... 3 Terminology .......................................................................................................................... 4 Chapter 1. General introduction ................................................................................ 5 The origin and evolution of mitochondria ............................................................................ 5 Mobile introns in mitochondrial genome .............................................................................. 6 The organisms which are lacking in mitochondrial genome data ........................................ 8 Chapter 2. Lateral transfers of mobile introns -
Chloroplast Structure of the Cryptophyceae
CHLOROPLAST STRUCTURE OF THE CRYPTOPHYCEAE Evidence for Phycobiliproteins within Intrathylakoidal Spaces E . GANTT, M . R . EDWARDS, and L . PROVASOLI From the Radiation Biology Laboratory, Smithsonian Institution, Rockville, Maryland 20852, the Division of Laboratories and Research, New York State Department of Health, Albany, New York 12201, and the Haskins Laboratories, New Haven, Connecticut 06520 ABSTRACT Selective extraction and morphological evidence indicate that the phycobiliproteins in three Cryptophyceaen algae (Chroomonas, Rhodomonas, and Cryptomonas) are contained within intrathylakoidal spaces and are not on the stromal side of the lamellae as in the red and blue-green algae . Furthermore, no discrete phycobilisome-type aggregates have thus far been observed in the Cryptophyceae . Structurally, although not necessarily functionally, this is a radical difference . The width of the intrathylakoidal spaces can vary but is gen- erally about 200-300 A . While the thylakoid membranes are usually closely aligned, grana- type fusions do not occur. In Chroomonas these membranes evidence an extensive periodic display with a spacing on the order of 140-160 A . This periodicity is restricted to the mem- branes and has not been observed in the electron-opaque intrathylakoidal matrix . INTRODUCTION The varied characteristics of the cryptomonads (3), Greenwood in Kirk and Tilney-Bassett (10), are responsible for their indefinite taxonomic and Lucas (13) . The thylakoids have a tendency position (17), but at the same time they enhance to be arranged in pairs, that is, for two of them to their status in evolutionary schemes (1, 4) . Their be closely associated with a 30-50 A space between chloroplast structure is distinct from that of every them . -
Phytoref: a Reference Database of the Plastidial 16S Rrna Gene of Photosynthetic Eukaryotes with Curated Taxonomy
Molecular Ecology Resources (2015) 15, 1435–1445 doi: 10.1111/1755-0998.12401 PhytoREF: a reference database of the plastidial 16S rRNA gene of photosynthetic eukaryotes with curated taxonomy JOHAN DECELLE,*† SARAH ROMAC,*† ROWENA F. STERN,‡ EL MAHDI BENDIF,§ ADRIANA ZINGONE,¶ STEPHANE AUDIC,*† MICHAEL D. GUIRY,** LAURE GUILLOU,*† DESIRE TESSIER,††‡‡ FLORENCE LE GALL,*† PRISCILLIA GOURVIL,*† ADRIANA L. DOS SANTOS,*† IAN PROBERT,*† DANIEL VAULOT,*† COLOMBAN DE VARGAS*† and RICHARD CHRISTEN††‡‡ *UMR 7144 - Sorbonne Universites, UPMC Univ Paris 06, Station Biologique de Roscoff, Roscoff 29680, France, †CNRS, UMR 7144, Station Biologique de Roscoff, Roscoff 29680, France, ‡Sir Alister Hardy Foundation for Ocean Science, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK, §Marine Biological Association, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK, ¶Stazione Zoologica Anton Dohrn, Villa Comunale, Naples 80121, Italy, **The AlgaeBase Foundation, c/o Ryan Institute, National University of Ireland, University Road, Galway Ireland, ††CNRS, UMR 7138, Systematique Adaptation Evolution, Parc Valrose, BP71, Nice F06108, France, ‡‡Universite de Nice-Sophia Antipolis, UMR 7138, Systematique Adaptation Evolution, Parc Valrose, BP71, Nice F06108, France Abstract Photosynthetic eukaryotes have a critical role as the main producers in most ecosystems of the biosphere. The ongo- ing environmental metabarcoding revolution opens the perspective for holistic ecosystems biological studies of these organisms, in particular the unicellular microalgae that -
A Reference Database of the Plastidial 16S Rrna Gene Of
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by HAL-UNICE PhytoREF: a reference database of the plastidial 16S rRNA gene of photosynthetic eukaryotes with curated taxonomy Johan Decelle, Sarah Romac, Rowena F Stern, El Mahdi Bendif, Adriana Zingone, St´ephane Audic, Michel D Guiry, Laure Guillou, D´esir´eTessier, Florence Le Gall, et al. To cite this version: Johan Decelle, Sarah Romac, Rowena F Stern, El Mahdi Bendif, Adriana Zingone, et al.. PhytoREF: a reference database of the plastidial 16S rRNA gene of photosynthetic eukaryotes with curated taxonomy. Molecular Ecology Resources, Blackwell, 2015, 15 (6), pp.1435-1445. <10.1111/1755-0998.12401>. <hal-01149047> HAL Id: hal-01149047 http://hal.upmc.fr/hal-01149047 Submitted on 6 May 2015 HAL is a multi-disciplinary open access L'archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destin´eeau d´ep^otet `ala diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publi´esou non, lished or not. The documents may come from ´emanant des ´etablissements d'enseignement et de teaching and research institutions in France or recherche fran¸caisou ´etrangers,des laboratoires abroad, or from public or private research centers. publics ou priv´es. Received Date : 12-Nov-2014 Revised Date : 20-Feb-2015 Accepted Date : 02-Mar-2015 Article type : Resource Article PhytoREF: a reference database of the plastidial 16S rRNA gene of photosynthetic eukaryotes with curated taxonomy Johan Decelle1,2, Sarah Romac1,2, Rowena F. Stern3, El Mahdi Bendif4, Adriana Zingone5, Stéphane Audic1,2, Michael D. -
Introns, Gene Content and Genome Architecture
Diversity and Evolution of Protist Mitochondria: Introns, Gene Content and Genome Architecture A Dissertation Submitted to the Graduate School of Life and Environmental Sciences, the University of Tsukuba in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Science (Doctral Program in Biologial Sciences) Yuki NISHIMURA Table of Contents Abstract ........................................................................................................................... 1 Genes encoded in mitochondrial genomes of eukaryotes ..................................................... 3 Terminology .......................................................................................................................... 4 Chapter 1. General introduction ................................................................................ 5 The origin and evolution of mitochondria ............................................................................ 5 Mobile introns in mitochondrial genome .............................................................................. 6 The organisms which are lacking in mitochondrial genome data ........................................ 8 Chapter 2. Lateral transfers of mobile introns among distantly related mitochondrial genomes ................................................................................................ 11 Summary ................................................................................................................................ 11 2-1. Leucocryptos