Detoxification by Medicinal Leeches (Hirudo Medicinalis)
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Introduction of Médicinal Leeches Into the West Indies in the Nineteenth Century
A study in médical history: introduction of médicinal leeches into the West Indies in the nineteenth century Roy T. SAWYER Biopharm (UK) Ltd, 2 Bryngwili Road, Hendy, Carms. SA4 1XB (UK) 102364.1027® compuserve.com Fred O. P. HECHTEL School of Biological Sciences, University of Wales, Swansea SA2 8PP (UK) James W. HAGY Department of History, University of Charleston, Charleston, SC 29424 (USA) Emanuela SCACHERI Department of Biotechnology, Pharmacia & Upjohn, Viale Pasteur 10,1-20014 Nerviano, Milano (Italy) Sawyer R. T., Hechtel F. O. P., Hagy J. W. & Scacheri E. 1998. — A study in médical histo ry: introduction of médicinal leeches into the West Indies in the nineteenth century. Zoosystema 20 (3) : 451-470. ABSTRACT Médicinal leeches were not found in the West Indies prior to 1822, but by the turn of the century, a large, aggressive leech abounded on Puerto Rico, St Lucia, Martinique and other islands. The authors conclude that this "Caribbean leech", described as Hirudinaria {Poecilobdella) blanchardi Moore, 1901, is a junior synonym of the "buffalo" leech Hirudinaria manillensis (Lesson, 1842), the médicinal leech of India and neighbouring countries of South-East Asia. The final proof of the true identity of this West Indian leech came from comparison of the nucleotide séquences of the cDNAs of the hirudin polypeptide from leeches from St Lucia and from Bangladesh. The authors présent évidence that this leech arrived from ships carrying labourers from colonial India starting in the mid-1840's. Each of thèse ships were required to have leeches on board for médicinal purposes. KEY WORDS Hirudinea, During this study, the existence of a second introduced leech species in the Hirudinaria, West Indies was unexpectedly discovered, in Guadeloupe. -
Continental Slope Communities Tom Laidig
Continental Slope Communities Tom Laidig Summary and Introduction In the shallow coastal areas of the Gulf of the Farallones, as in other regions of the world, fishing pressure has increased and numbers of fish have decreased over the past few decades. As many fish stocks have declined, some fishermen have been forced to look elsewhere to fill their nets. Traditional fishing grounds in the gulf have been located on the Continental Shelf, a rather flat, relatively shallow area of the sea floor adjacent to the coast. At a depth of about 200 m (660 ft), the bottom starts to drop off more rapidly on what is called the Continental Slope. It is on upper and middle parts of this steeper slope that the new fishing grounds have been established. Because the fish inhabiting these deeper waters are less understood than those in shallower water, there is a danger of overharvesting, which could threaten the long- term viability of these newer fisheries. The deep waters of the Continental Slope are characterized by nearly freezing temperatures, extremely low light conditions, and very high pressures. Because of the cold, organisms that live at these depths have slower metabolisms—they eat less frequently, are slower in digesting their food, and move and grow more slowly. They also attain greater ages than their counterparts that live in shallower waters—some deep-sea rockfish live more than 70 years. Many of the animals living in the perpetual darkness of the Continental Slope have developed light-producing organs. These serve various functions, such as communicating with members of their own kind (as in courtship), attracting food (like attracting moths to a flame), and avoiding being eaten (flashing a light in a predator’s eyes can give an animal a chance to get away). -
Arhynchobdellida (Annelida: Oligochaeta: Hirudinida): Phylogenetic Relationships and Evolution
MOLECULAR PHYLOGENETICS AND EVOLUTION Molecular Phylogenetics and Evolution 30 (2004) 213–225 www.elsevier.com/locate/ympev Arhynchobdellida (Annelida: Oligochaeta: Hirudinida): phylogenetic relationships and evolution Elizabeth Bordaa,b,* and Mark E. Siddallb a Department of Biology, Graduate School and University Center, City University of New York, New York, NY, USA b Division of Invertebrate Zoology, American Museum of Natural History, New York, NY, USA Received 15 July 2003; revised 29 August 2003 Abstract A remarkable diversity of life history strategies, geographic distributions, and morphological characters provide a rich substrate for investigating the evolutionary relationships of arhynchobdellid leeches. The phylogenetic relationships, using parsimony anal- ysis, of the order Arhynchobdellida were investigated using nuclear 18S and 28S rDNA, mitochondrial 12S rDNA, and cytochrome c oxidase subunit I sequence data, as well as 24 morphological characters. Thirty-nine arhynchobdellid species were selected to represent the seven currently recognized families. Sixteen rhynchobdellid leeches from the families Glossiphoniidae and Piscicolidae were included as outgroup taxa. Analysis of all available data resolved a single most-parsimonious tree. The cladogram conflicted with most of the traditional classification schemes of the Arhynchobdellida. Monophyly of the Erpobdelliformes and Hirudini- formes was supported, whereas the families Haemadipsidae, Haemopidae, and Hirudinidae, as well as the genera Hirudo or Ali- olimnatis, were found not to be monophyletic. The results provide insight on the phylogenetic positions for the taxonomically problematic families Americobdellidae and Cylicobdellidae, the genera Semiscolex, Patagoniobdella, and Mesobdella, as well as genera traditionally classified under Hirudinidae. The evolution of dietary and habitat preferences is examined. Ó 2003 Elsevier Inc. All rights reserved. -
Review Article
Review Article Leech Therapeutic Applications A. M. ABDUALKADER*, A. M. GHAWI1, M. ALAAMA, M. AWANG AND A. MERZOUK2 Departments of Pharmaceutical Chemistry, and 1Basic Medical Science, Faculty of Pharmacy, International Islamic University Malaysia, Jalan Istana, 25200 Kuantan, Pahang, Malaysia, 2Biopep Solutions Inc., 235-11590 Cambie Road, Richmond, BC V6X 3Z5, Canada Abdualkader, et al.: Leeching Hematophagous animals including leeches have been known to possess biologically active compounds in their secretions, especially in their saliva. The blood‑sucking annelids, leeches have been used for therapeutic purposes since the beginning of civilization. Ancient Egyptian, Indian, Greek and Arab physicians used leeches for a wide range of diseases starting from the conventional use for bleeding to systemic ailments, such as skin diseases, nervous system abnormalities, urinary and reproductive system problems, inflammation, and dental problems. Recently, extensive researches on leech saliva unveiled the presence of a variety of bioactive peptides and proteins involving antithrombin (hirudin, bufrudin), antiplatelet (calin, saratin), factor Xa inhibitors (lefaxin), antibacterial (theromacin, theromyzin) and others. Consequently, leech has made a comeback as a new remedy for many chronic and life‑threatening abnormalities, such as cardiovascular problems, cancer, metastasis, and infectious diseases. In the 20th century, leech therapy has established itself in plastic and microsurgery as a protective tool against venous congestion and served -
Bloodlines: Mammals, Leeches, and Conservation in Southern Asia
Page 17 of 37 Systematics and Biodiversity 1 2 3 4 Bloodlines: mammals, leeches, and conservation in 5 6 7 southern Asia 8 9 10 1,2,3 4 3 11 MICHAEL TESSLER , SARAH R. WEISKOPF , LILY BERNIKER , REBECCA 12 13 HERSCH2, KYLE P. McCARTHY4, DOUGLAS W. YU5,6 & MARK E. SIDDALL1,2,3 14 15 16 17 1 18 Richard Gilder Graduate School, American Museum of Natural History, Central Park West at 19 20 79th Street, New York, NY 10024, USA 21 22 2Sackler Institute for Comparative Genomics, American Museum of Natural History, Central 23 24 25 Park West at 79th Street, New York, NY 10024, USA 26 3 27 Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 28 29 79th Street, New York, NY 10024, USA 30 31 4Department of Entomology and Wildlife Ecology, University of Delaware, 531 South College 32 33 34 Avenue, Newark, DE 19716, USA 35 36 5State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, 32 37 38 Jiaochang Dong Lu, Kunming, Yunnan 650223, China 39 40 6 41 School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, 42 43 Norfolk NR4 7TJ UK 44 45 46 47 48 Running title: Mammals, leeches, and conservation 49 50 Correspondence to: Michael Tessler. E-mail: [email protected] 51 52 Southern Asia is a biodiversity hotspot both for terrestrial mammals and for leeches. Many 53 54 small-mammal groups are under-studied in this region, while other mammals are of known 55 56 57 58 59 60 URL: http://mc.manuscriptcentral.com/tsab Tessler et al. -
Tropical Marine Invertebrates CAS BI 569 Phylum ANNELIDA by J
Tropical Marine Invertebrates CAS BI 569 Phylum ANNELIDA by J. R. Finnerty Phylum ANNELIDA Porifera Ctenophora Cnidaria Deuterostomia Ecdysozoa Lophotrochozoa Chordata Arthropoda Annelida Hemichordata Onychophora Mollusca Echinodermata Nematoda Platyhelminthes Acoelomorpha Silicispongiae Calcispongia PROTOSTOMIA “BILATERIA” (=TRIPLOBLASTICA) Bilateral symmetry (?) Mesoderm (triploblasty) Phylum ANNELIDA Porifera Ctenophora Cnidaria Deuterostomia Ecdysozoa Lophotrochozoa Chordata Arthropoda Annelida Hemichordata Onychophora Mollusca Echinodermata Nematoda Platyhelminthes Acoelomorpha Silicispongiae Calcispongia PROTOSTOMIA “COELOMATA” True coelom Coelomata gut cavity endoderm mesoderm coelom ectoderm [note: dorso-ventral inversion] Phylum ANNELIDA Porifera Ctenophora Cnidaria Deuterostomia Ecdysozoa Lophotrochozoa Chordata Arthropoda Annelida Hemichordata Onychophora Mollusca Echinodermata Nematoda Platyhelminthes Acoelomorpha Silicispongiae Calcispongia PROTOSTOMIA PROTOSTOMIA “first mouth” blastopore contributes to mouth ventral nerve cord The Blastopore ! Forms during gastrulation ectoderm blastocoel blastocoel endoderm gut blastoderm BLASTULA blastopore The Gut “internal, epithelium-lined cavity for the digestion and absorption of food sponges lack a gut simplest gut = blind sac (Cnidaria) blastopore gives rise to dual- function mouth/anus through-guts evolve later Protostome = blastopore contributes to the mouth Deuterostome = blastopore becomes the anus; mouth is a second opening Protostomy blastopore mouth anus Deuterostomy blastopore -
Leeches: a Review on Their Pathogenic and Beneficial Effects
ary Scien in ce er & t e T Aloto and Eticha, J Vet Sci Technol 2018, 9:1 V e f c h o Journal of Veterinary Science & n DOI: 10.4172/2157-7579.1000511 l o a l n o r g u y o J Technology ISSN: 2157-7579 Review Article Open Access Leeches: A Review on their Pathogenic and Beneficial Effects Desta Aloto1 and Eyob Eticha2* 1Veterinary Drug and Animal Feed Administration and Control Authority, South Region Branch Office, Hawassa, Ethiopia 2Asella Regional Veterinary Laboratory, PO Box 212, Ethiopia *Corresponding author: Eyob Eticha, Asella Regional Veterinary Laboratory, PO Box 212, Ethiopia, Tel: +251913178237; E-mail: [email protected] Rec date: December 23, 2017; Acc date: January 23, 2018; Pub date: January 24, 2018 Copyright: © 2018 Aloto D, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Abstract Leech is one of the external sanguivorous parasites contributing to the reduction in productivity of livestock in different part of the World. Leeches bite the skin of the host and allow copious flow of blood preventing clot by hirudin. The bite is not painful, but the wounds may bleed for a long time and the clinical signs can be seen following this blood loss. Types of leech vary depending on ways by which they feed. Leech is segmented and lacks as hard exoskeleton; in its place it has a thin, flexible cuticle. For the most part leeches are aquatic, but terrestrial species are also found. -
“Help, There Are Leeches in Our Lake!”
“Help, there are leeches in our lake!” by Andrea LaMoreaux, Vice President, NH LAKES “Help,” pleaded the caller, “Our lake is polluted—it is full of blood-sucking leeches!” As an aquatic biologist, this is one of the various reasons lake-goers call me during the summer, urging me to find someone or something to fix a problem that is ruining their enjoyment of one of New Hampshire’s approximately 1,000 lakes and ponds. “Don’t worry,” I explained, “Rest assured, by no means does the presence of leeches in your lake mean that your lake is polluted.” The caller on the other end of the phone was unconvinced, so I continued, “Leeches are natural organisms that can be found in most of New Hampshire’s lakes. While there are more than 650 species of leeches in North America, there Leeches are most commonly found in shallow areas are only a few species in New Hampshire known to take of lakes among plants, under rocks, sticks, logs, and blood from a person, and that is only if the right attached to decaying leaves. opportunity arises.” At this point, I emailed the caller some information about where leeches are found, what to do if he got bit by a leech, and how to avoid leaches altogether. I never got a return call back, so I guessed his fears were quelled. In case you aren’t convinced that leeches aren’t a problem, or if you are just curious… What are leeches and where are they found? Leeches are scientifically categorized as annelids (segmented worms) and they are closely related to earthworms. -
Occurrence, Distribution and Bibliography of the Medicinal Leech Hirudo Verbana Carena, 1820 (Hirudinea, Hirudinidae) in Sicily (Italy)
Biogeographia – The Journal of Integrative Biogeography 34 (2019): 33–38 Occurrence, distribution and bibliography of the medicinal leech Hirudo verbana Carena, 1820 (Hirudinea, Hirudinidae) in Sicily (Italy) FEDERICO MARRONE1,*, DOMENICA EMANUELA CANALE2 1 University of Palermo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, via Archirafi 18, 90123 Palermo (Italy), email: [email protected] 2 Stazione Ornitologica, c/o University of Palermo, Department of Agricultural, Food and Forest Sciences (SAAF), viale delle Scienze Ed. 4, 90128 Palermo, (Italy), email: [email protected] * corresponding author Keywords: Annelida, EU « Habitats Directive », species monitoring. ABSTRACT The occurrence of the medicinal leech Hirudo verbana in the inland waters of Sicily has been lately overlooked. In the present note, the occurrence and distribution of this species is reviewed based both on the review of the available literature data and field collecting. Although a noteworthy reduction in the distribution range of the species seems to have taken place in Sicily in the course of the XX century, Hirudo verbana was confirmed to be still present in several sites located both within and out of Natura2000 sites. The Sicilian populations of the species should be included in the frame of the monitoring activities established by the Article 17 of the EU Council Directive 92/43/EEC (“Habitats Directive”). INTRODUCTION includes the highly divergent Hirudo nipponia Among the representatives of leech genera and Whitman, 1886 and a cluster of closely related families that have been historically used for species until recently lumped under the medical purposes (Sket & Trontelj 2008, Elliott binomen Hirudo medicinalis Linnaeus, 1758, a & Kutschera 2011), the true “medicinal species whose native range is in fact limited to leeches” belong to the Palearctic hirudinid central and northern Europe (Utevsky et al. -
Associative Learning Modifies Two Behaviors in the Leech, Hirudo Medicinalis
The Journal of Neuroscience, December 1988, B(12): 4812-4820 Associative Learning Modifies Two Behaviors in the Leech, Hirudo medicinalis Christie L. Sahleyl and Donald F. Ready* ‘Department of Biology, Yale University, New Haven, Connecticut 06.511, and *Department of Biology, Purdue University, West Lafayette, Indiana 47907 We report that 2 behaviors, stepping and shortening, are learning in both speciesis dependent on the contingent as well modified by associative learning in the leech, Hirudo medi- as the contiguous relationships between stimuli (Sahley et al., chalk. Experiment 1 explored conditioning of the “step- 1981a, b; Colwill, 1985; Hawkins et al., 1986; Farley, 1987a), ping” response. Paired presentations of touch to the medial just as is learning in vertebrates (Rescorla, 1968, 1969; Kamin, dorsal surface of the leech and shock to the tail of the leech 1969). Moreover, on the mechanistic level, the identified leam- resulted in the development of stepping to the touch. Leech- ing-dependent changesinvolve second-messengermodulation es in control groups experiencing the CS alone, US alone, of K+ channelsof sensoryneurons (Klein et al., 1982; seeCrow, or explicitly unpaired presentations of the CS and US did 1988, for a review). No data, however, addressthe generality not. In experiments 2-4, classical conditioning explored con- of thesecommon themesin other invertebrate phyla. Will con- ditioning of the touch-elicited shortening reflex. We found tiguity and contingency be as important in the formation of that the reflex was enhanced following paired CS-US pre- associationsin other invertebrates? Will learning-dependent sentations but not following CS alone, US alone, or explicitly changesin behavior be the reflection of similar or dissimilar unpaired presentations of the stimuli. -
The Forgotten Aquariums of Boston, Third Revised Edition by Jerry Ryan (1937 - )
THE FORGOTTEN AQUARIUMS OF BOSTON THIRD Revised Edition By Jerry Ryan 2011 Jerry Ryan All rights reserved. Excerpt from “For The Union Dead” from FOR THE UNION DEAD by Robert Lowell. Copyright 1959 by Robert Lowell. Copyright renewed 1987 by Harriet Lowell, Caroline Lowell and Sheridan Lowell. Reprinted by permission of Farrar, Straus and Giroux, LLC. The Forgotten Aquariums of Boston, Third Revised Edition by Jerry Ryan (1937 - ). First Printing June, 2002. ISBN 0-9711999-0-6 (Softcover). 1.Public Aquaria. 2. Aquarium History. 3. Boston Aquarial Gardens. 4. Barnum’s Aquarial Gardens. 5. South Boston Aquarium. 6. P. T. Barnum. 7. James A. Cutting. 8. Henry D. Butler. 9. Aquariums. TABLE OF CONTENTS Preface To The Third Revised Edition by Jeff Ives Page 6 Preface To The Second Edition By Jerry Ryan Page 7 Acknowledgements Page 9 The Boston Aquarial Gardens: Bromfield Street Page 10 Boston Aquarial and Zoological Gardens: Central Court Page 28 Barnum Aquarial Gardens Page 45 The South Boston Aquarium Page 62 Epilogue Page 73 Appendices Page 75 Illustration Credits Page 100 References and Suggested Reading Page 101 PREFACE TO THE THIRD EDITION Boston is known as a city filled with history, but it’s not always the history you’d expect. Today millions of tourists walk the freedom trail with Paul Revere’s famous ride galloping through their heads. Little do they know that 85 years after the fateful lamp was lit in Old North Church, an entirely different kind of ride was taking place in the heart of Boston’s Downtown Crossing. This ride was performed by a woman seated in a nautilus-shaped boat being pulled by a beluga whale through the largest tank in the first aquarium in the United States. -
Biology and Impacts of Leech Infestation in Largemouth Bass (Micropterus Salmoides) in Back Bay, Virginia
Old Dominion University ODU Digital Commons Biological Sciences Theses & Dissertations Biological Sciences Fall 2017 Biology and Impacts of Leech Infestation in Largemouth Bass (Micropterus Salmoides) in Back Bay, Virginia Amanda Nicole Pomposini Old Dominion University, [email protected] Follow this and additional works at: https://digitalcommons.odu.edu/biology_etds Part of the Biology Commons Recommended Citation Pomposini, Amanda N.. "Biology and Impacts of Leech Infestation in Largemouth Bass (Micropterus Salmoides) in Back Bay, Virginia" (2017). Master of Science (MS), Thesis, Biological Sciences, Old Dominion University, DOI: 10.25777/1tcx-bx69 https://digitalcommons.odu.edu/biology_etds/22 This Thesis is brought to you for free and open access by the Biological Sciences at ODU Digital Commons. It has been accepted for inclusion in Biological Sciences Theses & Dissertations by an authorized administrator of ODU Digital Commons. For more information, please contact [email protected]. BIOLOGY AND IMPACTS OF LEECH INFESTATION IN LARGEMOUTH BASS (MICROPTERUS SALMOIDES) IN BACK BAY, VIRGINIA by Amanda Nicole Pomposini B.S. December 2013, Old Dominion University A Thesis Submitted to the Faculty of Old Dominion University in Partial Fulfillment of the Requirements for the Degree of MASTER OF SCIENCE BIOLOGY OLD DOMINION UNIVERSITY December 2017 Approved by: David T. Gauthier (Director) Holly Gaff (Member) Ashley Haines (Member) ABSTRACT BIOLOGY AND IMPACTS OF LEECH INFESTATION IN LARGEMOUTH BASS (MICROPTERUS SALMOIDES) IN BACK BAY, VIRGINIA Amanda Nicole Pomposini Old Dominion University, 2017 Director: Dr. David T. Gauthier Back Bay is an oligohaline coastal bay in Southeast Virginia, USA. The Oregon Inlet along the Outer Banks of North Carolina is the only significant salinity source to the Bay via the Pamlico and Currituck Sounds of North Carolina.