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Newsletter 4
PHYCOLOGICAL NEWSLETTER A PUBLICATION OF THE PHYCOLOGICAL SOCIETY OF AMERICA WINTER INSIDE THIS ISSUE: 2008 PSA Meeting 1 SPRING 2008 Meetings and Symposia 2 Editor: Courses 5 Juan Lopez-Bautista VOLUME 44 Job Opportunities 11 Department of Biological Sciences Trailblazer 28: Sophie C. Ducker 12 University of Alabama Island to honor UAB scientists 18 Tuscaloosa, AL 35487 Books 19 [email protected] Deadline for contributions 23 ∗Dr. Karen Steidinger (Florida Fish and 1 2008 Meeting of Wildlife Research Institute) presenting The Phycological Society of America a plenary talk entitled “Harmful algal blooms in North America: Common risks.” New Orleand, Louisiana, USA NUMBER 27-30 July The associated mini-symposium speakers will be Dr. Leanne Flewelling (Florida Fish he Phycological Society of America (PSA) will and Wildlife Research Institute) present- hold its 2008 annual meeting on July 27-30, ing a talk entitled “Unexpected vectors of 1 T2008 in New Orleans, Louisiana, USA. The brevetoxins to marine mammals” and Dr. meeting will be held on the campus of Loyola Jonathan Deeds (US FDA Center for Food University and is being hosted by Prof. James Wee Safety and Applied Nutrition) present- (Loyola University). The meeting will kick-off with ing a talk entitled “The evolving story of an opening mixer on the evening of Sunday, 27 July Gyrodinium galatheanum = Karlodinium and the scientific program will be Monday through micrum = Karlodinium veneficum. A ten- Wednesday, 28-30 July. The PSA banquet will be year perspective.” Wednesday evening at the Louisiana Swamp Ex- hibit at the Audubon Zoo. Optional field trips are *Dr. John W. -
Lateral Gene Transfer of Anion-Conducting Channelrhodopsins Between Green Algae and Giant Viruses
bioRxiv preprint doi: https://doi.org/10.1101/2020.04.15.042127; this version posted April 23, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. 1 5 Lateral gene transfer of anion-conducting channelrhodopsins between green algae and giant viruses Andrey Rozenberg 1,5, Johannes Oppermann 2,5, Jonas Wietek 2,3, Rodrigo Gaston Fernandez Lahore 2, Ruth-Anne Sandaa 4, Gunnar Bratbak 4, Peter Hegemann 2,6, and Oded 10 Béjà 1,6 1Faculty of Biology, Technion - Israel Institute of Technology, Haifa 32000, Israel. 2Institute for Biology, Experimental Biophysics, Humboldt-Universität zu Berlin, Invalidenstraße 42, Berlin 10115, Germany. 3Present address: Department of Neurobiology, Weizmann 15 Institute of Science, Rehovot 7610001, Israel. 4Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway. 5These authors contributed equally: Andrey Rozenberg, Johannes Oppermann. 6These authors jointly supervised this work: Peter Hegemann, Oded Béjà. e-mail: [email protected] ; [email protected] 20 ABSTRACT Channelrhodopsins (ChRs) are algal light-gated ion channels widely used as optogenetic tools for manipulating neuronal activity 1,2. Four ChR families are currently known. Green algal 3–5 and cryptophyte 6 cation-conducting ChRs (CCRs), cryptophyte anion-conducting ChRs (ACRs) 7, and the MerMAID ChRs 8. Here we 25 report the discovery of a new family of phylogenetically distinct ChRs encoded by marine giant viruses and acquired from their unicellular green algal prasinophyte hosts. -
BOT 101: General Microbiology
Detailed curriculum outline of First Year B.S. Honours Course Departmental Courses Credit hours BOT 101: General Microbiology 2 BOT 102: Lower Fungi 2 BOT 103: General Phycology 2 BOT 104: Bryophyta 2 BOT 105: Angiosperm Taxonomy 2 BOT 106: Biodiversity 2 BOT 107: Practical-1: General Microbiology, Lower Fungi and General Phycology 2 BOT 108: Practical-2: Bryophyta, Angiosperm Taxonomy and Biodiversity 2 BOT 109: Viva-voce 2 Extra-Departmental Courses (For the students of Botany) BMB 11 : Basic Biochemistry - I 4 ZOOL 1001: Animal Diversity 4 Extra-Departmental course for the students of Zoology and Soil, Water and Environment BOT 1001: Introductory Botany 4 BOT 101: General Microbiology Credit hour: 2 Introduction General Microbiology is a compulsory course in four years integrated BS (Hons) in Botany program. It deals with basic concept, structure, classification and importance of different types of microorganisms. It is structured in a way that the students develop clear understanding of the concept of microbiology, scope of microbiology, abiogenesis versus biogenesis, contribution of scientists in microbiology, types of microorganisms and their importance to human beings. Students also understand the infectious diseases and their causal agents. Course objectives (a) define microbiology and its scope (b) describe the contribution of microbiologists (c) identify different types of microorganisms (d) describe the importance of microorganisms for humans (e) explain the causes of infectious diseases Course content Units Content No. of -
Phytochemical Analysis, Antioxidant and Antifungal Activity of Different Solvent Extracts of Spirulina Platensis Collected from Rankala Lake, Kolhapur, Maharashtra
J. Algal Biomass Utln. 2019, 10(1):36-42 Phytochemical analysis, antioxidant and antifungal activity of Spirulina platensis eISSN: 2229 – 6905 Phytochemical analysis, antioxidant and antifungal activity of different solvent extracts of Spirulina platensis collected from Rankala Lake, Kolhapur, Maharashtra 1Chakraborty, B., 2AR Varsale 3VK Singh, 4SS Mali, 5PK Parihar, *6RS Mane 1Department of Botany, 1,6Karnataka University, Dharwad, Karnataka, India, 580003 2Department of Agriculture, 2National Backward College of Agriculture and Information Technology, Yelgaon, Buldana, Maharashtra, India, 443001 3Department of Microbiology, 3Dr. Shakuntala Mishra National Rehabilation University, Lucknow, 226017, Uttar Pradesh, India 4Sanjivani Arts Commerce, and Science College, Kopargaon, Maharashtra, India, 423601 5Serum Institute of India, Hadapsar, Pune, Maharashtra, India *6Department of Microbiology and Biotechnology *6Corresponding author: [email protected] Abstract: The objective of the present work was to evaluate the phytochemical analysis, antioxidant and antifungal activity of different extracts obtained from Spirulina platensis. The Spirulina platensis was collected from Rankala Lake, Kolhapur (MH), India and grown in CHU-10 medium for 10 days. After 10 days the culture was recovered, dried, powdered and extracted using different solvents such as methanol, ethanol, petroleum ether, acetone and water by solvent- solvent extraction method. The qualitative phytochemical analysis of all extracts revealed the presence of alkaloids, terpenoids, steroids, tannins, saponins, flavonoids, phenols, coumarins, quinones and glycosides. Quantitative phytochemical analysis revealed that the aqueous extract possessed high phenolic content (27.0090±0.04129 mg) and flavonoids content (63.47± 0.88059 mg) when compared to other extracts. Ferric ion reducing power assay was performed with chloroform, ethanol, methanol and aqueous extracts by using ascorbic acid as standard. -
Notulae Algarum No. 111 (21 August 2019) ISSN 2009-8987 1
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Botswana), a Subtropical Flood-Pulsed Wetland
Biodiversity and Biomass of Algae in the Okavango Delta (Botswana), a Subtropical Flood-Pulsed Wetland Thesis submitted for the degree of Doctor of Philosophy by LUCA MARAZZI University College London Department of Geography University College London December 2014 I, LUCA MARAZZI, confirm that the work presented in this thesis is my own. Where information has been derived from other sources, I confirm that this has been indicated in the thesis. LUCA MARAZZI 2 ABSTRACT In freshwater bodies algae provide key ecosystem services such as food and water purification. This is the first systematic assessment of biodiversity, biomass and distribution patterns of these aquatic primary producers in the Okavango Delta (Botswana), a subtropical flood-pulsed wetland in semiarid Southern Africa. This study delivers the first estimate of algal species and genera richness at the Delta scale; 496 species and 173 genera were observed in 132 samples. A new variety of desmid (Chlorophyta) was discovered, Cosmarium pseudosulcatum var. okavangicum, and species richness estimators suggest that a further few hundred unidentified species likely live in this wetland. Rare species represent 81% of species richness and 30% of total algal biovolume. Species composition is most similar within habitat types, thus varying more significantly at the Delta scale. In seasonally inundated floodplains, algal species / genera richness and diversity are significantly higher than in permanently flooded open water habitats. The annual flood pulse has historically allowed more diverse algal communities to develop and persist in these shallower and warmer environments with higher mean nutrient levels and more substrata and more heterogenous habitats for benthic taxa. These results support the Intermediate Disturbance Hypothesis, Species-Energy Theory and Habitat Heterogeneity Diversity hypotheses. -
A Checklist and Distributional Analysis of Marine Algal Species Collected As Vouchers During the CHIA-EVOS Studies
A checklist and distributional analysis of marine algal species collected as vouchers during the CHIA-EVOS studies. (submitted under BAA) Project Number: Restoration Category: Research and publication preparation Proposer: Gayle I. Hansen (Oregon State University, HMSC) Lead Trustee Agency: Cooperating Agencies: Alaska SeaLife Center: No Duration: 1st year of a 1-year project Cost FY 01: $65,734 Geographic Area: No field work will be carried out, but specimens from the entire oil spill area will be utilized for the study. Injured Resource/Service: Intertidal communities: macrobenthic marine algae or seaweeds. ABSTRACT During the CHIA-EVOS studies, intense investigations were carried out on the intertidal algal communities of Prince William Sound, Kenai, Kodiak, and the Alaska Peninsula. As a byproduct of these studies, thorough voucher collections were made of the algal species present in more than 100 transect areas used for the study. The 7,300 voucher specimens were identified to species, curated, and cataloged, but no money was available at the time for publishing the wealth of information on algal biodiversity and distribution they provided. For this study, we will use these data to prepare regional checklists and biogeographic analyses of the species discovered and finally make available these critical habitat data for restoration and conservation efforts in Alaska. Prepared 06/07/2005 1 Project ______ INTRODUCTION Macrobenthic marine algae or seaweeds form the base of the food chain in nearly all rocky intertidal and shallow subtidal communities. In areas where they flourish, they also benefit both the structural and chemical environment. Nearshore marine animals are all at least partially dependent on algae for survival, and the environmental stresses that impact the algae also impact these members of the higher trophic levels. -
M.Phil/ Pre Ph. D Botany Paper I : Research Methodology in Botany
M.Phil/ Pre Ph. D Botany Paper I : Research Methodology in Botany Unit I Experimental design- Basic principles of experiment: Experimental unit, sampling unit, Experimental error, replication, Generalization andrandomization,control (3) Fundamentals of research: Characteristics of research, classification of research (pure research, applied research, descriptive, experimental, historical etc.) (2) Research process: Steps and elements, selection, analysis and statement of the problem. Literature collection and citation, bibliography. Writing skills- Preparation of research report, presentations, writing grant proposals.(10) Unit II Data analysis- variables,numerical,categorical.(3) Central measures (mean,medium,mode). (2)Dispersion measures (range, standard deviation), probability co- (10) relation and regression, Binomial position and normal distribution, parametric and non parametric tests t- test, f-test, chi-square test, ANOVA.(10) Unit III Microscopic Techniques: Light microscope: Resolving power and magnification, Phase Microscope, Fluorescence Microscope, Confocal Microscope,Micrometry. (5) Electron Microscope: Transmission and scanning techniques for E.M. Spectrophotometer: Electromagnetic spectrum, construction of calorimeter and spectrophotometer, Applications. Analytical techniques- GC-MS, HPLC, FTIR, Maldi, Raman, etc.(10) Unit IV Algal cell culture- Algal culture, Seaweed mariculture. (3) Fungal culture-Fungal culture media. (2) Protoplast and apori culture Plant cell Culture-Cellular totipotency (4) Cytodifferentiation -
NEWSLETTER No
A!Astral iaVJ S~stematic BotaVJ~ Societ~ NEWSLETTER No. 55 JUNE 1988 Price: $3.50 Registered by Australia Post Publication No. NBH 8068 AUSTRALIAN SYSTEMATIC BOTANY SOCIETY INCORPORATED Office Bearers President Dr B. G. Briggs National Herbarium Mrs Macquaries Road SYDNEY NSW 2000 Vice President Secretary Treasurer DrJ.G. West Dr B.J. Conn Dr D.B. Foreman Australian National National Herbarium National Herbarium Herbarium, CSIRO Mrs Macquaries Road Birdwood Avenue GPO Box1600 SYDNEY NSW 2000 SOUTH YARRA CANBERRA ACT 2601 VIC3141 Councillors Dr M.D. Crisp Dr G.P. Guymer Australian National Queensland Herbarium Botanic Gardens Meiers Road GPO Box 1777 INDOOROOPILLY CANBERRA ACT 2601 QLD4068 Chapter Conveners Adelaide: Mrs Robyn Barker Hobart: Dr Tony Orchard Armidale: Mr John Williams Melbourne: Dr Don Foreman Brisbane: Mr .Laurie Jessup Perth: Dr Terry Macfarlane Canberra: Mr Lyn Craven Sydney: Prof. Roger Carolin Darwin: Mr Clyde Dunlop Townsville: Dr Betsy Jackes Affiliated Society: Papua New Guinea Botanical Society Austral. Syst. Bot. Soc. Newsletter 55 (June 1988) 1 LIST OF NAMES IN CURRENT USE Dr R.J. Hnatiuk Bureau of Flora and Fauna, Canberra A meeting was held at the Royal Botanic Gardens, Kew in April 1988 to discuss lists of names in current use. It was attended by 23 people who came from Australia, North America and Europe. Drs J.G. West, D.W.L. Ride, and R.J. Hnatiuk attended from Australia. There is a 12 page report of the meeting which, once itis approved as a fair record, I shall send to each Australian Herbarium. If you would like a copy, and by July-August are unable to get access to one, let me know. -
PT-No28-S. Ducker Vol44 No1 2008
eXtremely difficult and dangerous Lme, and in Phycological Trailblazer 1938, Sophie, her husband, and young son Klaus No. 28 were forced to flee Germany. Sophie, eXpecLng a second child, was iniLally on her own. Her father Sophie C. Ducker had entrusted her with a small but very valuable collecLon of stamps to use as possible collateral (Originally printed in the Phycological Newsle6er. in her escape, but, as she later told me, all the 2008. Vol. 44 No. 1) stamps were taken from her at a border crossing. Another incident, a traumaLc event, that With the death of Sophie Ducker on 20 she also related to me of her escape was that May, 2004, in Melbourne, phycology lost a major when her labor pains began, she was put into a contemporary figure, a person who contributed room all by herself, where she gave birth to a much to our understanding of marine algae, sea- daughter. She received no medical assistance, grasses and their pollinaLon, horLculture, and and the baby died soon aber birth. Separated the history of botany. On April 9, 1909, Sophie from her husband and her son, Sophie traveled Charlo6e von to “Persia” [Iran], Klemperer was born where she was in Berlin into a finally reunited with prominent Jewish her family. She family, in which her happened to be banker father had visiLng her parents sufficient leisure in Rhodesia, where Lme and resources they had escaped to spend much of to, when the War his non-banking fully broke out. She hours in was forced to accumulaLng very remain in Africa for old books. -
|||GET||| the Natural Way of Things 1St Edition
THE NATURAL WAY OF THINGS 1ST EDITION DOWNLOAD FREE Charlotte Wood | 9781609453626 | | | | | The Natural Way of Things: "Handmaid's Tale for the 21st Century" Archived from the original on August 29, Bede: On the Nature of Things and on Times. Both Butler and Atwood dissect patriarchal oppression with the refined skill of a pointillist, constructing detailed futures in which our own oppression can be more clearly seen, yet Wood has little interest in delicate brushwork. Carl Linnaeus. Epicureanismethicsphysicsnatural philosophy. Systema naturae per regna tria naturae :secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis in Latin 10th ed. All pages are intact and the cover is intact. Stock Image. Would it be said they were abandoned or taken, the way people said a girl was attackeda woman was raped, this femaleness always at the center, as if womanhood itself were the natural cause of these things? For the documentary television series, see The Nature of Things. Share This Story. May Lloyd, G. Gale, Monica R. To the Greek philosopher Epicurusthe unhappiness and degradation of humans arose largely from the dread which they entertained of the power of the deitiesfrom terror of their wrath. The first printed edition of De rerum natura was produced in BresciaLombardyin They are all women who have been sexually harassed, assaulted, or raped; or women who have spoken when they should have remained silent. The one major exception to this was Isidore of Sevillewho at the start of the 7th century produced a work on astronomy and natural history dedicated to the Visigothic king Sisebut that was entitled De natura rerum. -
Unit 1: the Definition and History of Psychology
UNIT 1: THE DEFINITION AND HISTORY OF PSYCHOLOGY QUESTION #1.1: What is the definition of psychology? Psychology is best defined as the "scientific study of behavior in humans and animals." Behavior is what people and animals do: e.g., what a person says about last night's dream, and how long it takes a rat to run a maze. You might think that psychology was the "study of the mind" due to the fact that the prefix psyche is Greek for mind, soul, spirit, and the suffix ology refers to the study of something. Almost a hundred years ago, John Watson decided that psychology should be a science: not just a vague and introspective reflection on our own thoughts and feelings. Watson urged that psychology be defined as the scientific study of behavior. Since about 1920, most university psychologists have accepted Watson's definition. So, think of psychologists as scientists who study behavior. Introspection was the first technique for studying the mind There are some terms related to psychology that are frequently confused with it. Psychiatry is a branch of medicine specializing with mental disorders. Psychiatrists are medical doctors, and have been through medical school, an internship, residency training, and board certification as specialized physicians. The letters M.D. usually appear at the end of the name. The letters at the end of the name of a psychologist may be 1 Ph.D., Ed.D., or Psy.D., and so it may be appropriate to address a psychologist as "Dr." but he or she is not a physician. There is one important difference between what psychologists and psychiatrists can do.