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The Role of Earthworm Gut-Associated Microorganisms in the Fate of Prions in Soil
THE ROLE OF EARTHWORM GUT-ASSOCIATED MICROORGANISMS IN THE FATE OF PRIONS IN SOIL Von der Fakultät für Lebenswissenschaften der Technischen Universität Carolo-Wilhelmina zu Braunschweig zur Erlangung des Grades eines Doktors der Naturwissenschaften (Dr. rer. nat.) genehmigte D i s s e r t a t i o n von Taras Jur’evič Nechitaylo aus Krasnodar, Russland 2 Acknowledgement I would like to thank Prof. Dr. Kenneth N. Timmis for his guidance in the work and help. I thank Peter N. Golyshin for patience and strong support on this way. Many thanks to my other colleagues, which also taught me and made the life in the lab and studies easy: Manuel Ferrer, Alex Neef, Angelika Arnscheidt, Olga Golyshina, Tanja Chernikova, Christoph Gertler, Agnes Waliczek, Britta Scheithauer, Julia Sabirova, Oleg Kotsurbenko, and other wonderful labmates. I am also grateful to Michail Yakimov and Vitor Martins dos Santos for useful discussions and suggestions. I am very obliged to my family: my parents and my brother, my parents on low and of course to my wife, which made all of their best to support me. 3 Summary.....................................................………………………………………………... 5 1. Introduction...........................................................................................................……... 7 Prion diseases: early hypotheses...………...………………..........…......…......……….. 7 The basics of the prion concept………………………………………………….……... 8 Putative prion dissemination pathways………………………………………….……... 10 Earthworms: a putative factor of the dissemination of TSE infectivity in soil?.………. 11 Objectives of the study…………………………………………………………………. 16 2. Materials and Methods.............................…......................................................……….. 17 2.1 Sampling and general experimental design..................................................………. 17 2.2 Fluorescence in situ Hybridization (FISH)………..……………………….………. 18 2.2.1 FISH with soil, intestine, and casts samples…………………………….……... 18 Isolation of cells from environmental samples…………………………….………. -
Pain Management E-Book
VetEdPlus E-BOOK RESOURCES Pain Management E-Book WHAT’S INSIDE Gabapentin and Amantadine for Chronic Pain: Is Your Dose Right? Grapiprant for Control of Osteoarthritis Pain in Dogs Use of Acupuncture for Pain Management Regional Anesthesia for the Dentistry and Oral Surgery Patient A SUPPLEMENT TO Laser Therapy for Treatment of Joint Disease in Dogs and Cats Manipulative Therapies for Hip and Back Hypomobility in Dogs E-BOOK PEER REVIEWED CONTINUING EDUCATION Gabapentin and Amantadine for Chronic Pain: Is Your Dose Right? Tamara Grubb, DVM, PhD, DACVAA Associate Professor, Anesthesia and Analgesia Washington State University College of Veterinary Medicine Pain is not always a bad thing, and all pain is not Untreated or undertreated pain can cause myriad the same. Acute (protective) pain differs from adverse effects, including but not limited to chronic (maladaptive) pain in terms of function insomnia, anorexia, immunosuppression, and treatment. This article describes the types of cachexia, delayed wound healing, increased pain pain, the reasons why chronic pain can be sensation, hypertension, and behavior changes difficult to treat, and the use of gabapentin and that can lead to changes in the human–animal amantadine for treatment of chronic pain. bond.2 Hence, we administer analgesic drugs to patients with acute pain, not to eliminate the protective portion but to control the pain ACUTE PAIN beyond that needed for protection (i.e., the pain Acute pain in response to tissue damage is often that negatively affects normal physiologic called protective pain because it causes the processes and healing). This latter type of pain patient to withdraw tissue that is being damaged decreases quality of life without providing any to protect it from further injury (e.g., a dog adaptive protective mechanisms and is thus withdrawing a paw after it steps on something called maladaptive pain. -
New Zealand Olympic Team Selected Athletes
New Zealand Olympic Team Selected Athletes Athletics 1. Zane Robertson 10,000m Gymnastics 2. Nikki Hamblin 1500m 30. Courtney McGregor Women’s Artistic 3. Nick Willis 1500m 31. Misha Koudinov Men’s Artistic 4. Quentin Rew 50km Race Walk 32. Dylan Schmidt Trampoline 5. Angie Petty 800m 6. Stuart Farquhar Javelin Hockey 7. Eliza McCartney Pole Vault 33. Ryan Archibald Men’s Team 8. Valerie Adams Shot Put 34. Simon Child Men’s Team 9. Jacko Gill Shot Put 35. James Couglan Men’s Team 10. Tom Walsh Shot Put 36. Blair Hilton Men’s Team 37. Hugo Inglis Men’s Team Canoe Sprint 38. Stephen Jenness Men’s Team 11. Lisa Carrington K1W200, K1W500 39. Devon Manchester Men’s Team 12. Aimee Fisher K4W 500 40. Shea McAleese Men’s Team 13. Kayla Imrie K4W 500 41. Shay Neal Men’s Team 14. Jaimee Lovett K4W 500 42. Arun Panchia Men’s Team 15. Caitlin Ryan K4W 500 43. Hayden Phillips Men’s Team 16. Marty McDowell K1M 1000 44. Kane Russell Men’s Team 45. Bradley Shaw Men’s Team Canoe Slalom 46. Blair Tarrant Men’s Team 17. Mike Dawson K1M 47. Nick Wilson Men’s Team 18. Luuka Jones K1W 48. Nic Woods Men’s Team Cycling Judo 19. Trent Jones BMX 49. Darcina-Rose Manuel -57kg 20. Eddie Dawkins Mens Team Sprint 21. Ethan Mitchell Mens Team Sprint Rowing 22. Sam Webster Mens Team Sprint 50. Alistair Bond LM4- 23. Natasha Hansen Women’s Indiv Sprint 51. James Hunter LM4- 24. Samuel Gaze Mountain Bike 52. -
List of Animal Species with Ranks October 2017
Washington Natural Heritage Program List of Animal Species with Ranks October 2017 The following list of animals known from Washington is complete for resident and transient vertebrates and several groups of invertebrates, including odonates, branchipods, tiger beetles, butterflies, gastropods, freshwater bivalves and bumble bees. Some species from other groups are included, especially where there are conservation concerns. Among these are the Palouse giant earthworm, a few moths and some of our mayflies and grasshoppers. Currently 857 vertebrate and 1,100 invertebrate taxa are included. Conservation status, in the form of range-wide, national and state ranks are assigned to each taxon. Information on species range and distribution, number of individuals, population trends and threats is collected into a ranking form, analyzed, and used to assign ranks. Ranks are updated periodically, as new information is collected. We welcome new information for any species on our list. Common Name Scientific Name Class Global Rank State Rank State Status Federal Status Northwestern Salamander Ambystoma gracile Amphibia G5 S5 Long-toed Salamander Ambystoma macrodactylum Amphibia G5 S5 Tiger Salamander Ambystoma tigrinum Amphibia G5 S3 Ensatina Ensatina eschscholtzii Amphibia G5 S5 Dunn's Salamander Plethodon dunni Amphibia G4 S3 C Larch Mountain Salamander Plethodon larselli Amphibia G3 S3 S Van Dyke's Salamander Plethodon vandykei Amphibia G3 S3 C Western Red-backed Salamander Plethodon vehiculum Amphibia G5 S5 Rough-skinned Newt Taricha granulosa -
Interior Columbia Basin Mollusk Species of Special Concern
Deixis l-4 consultants INTERIOR COLUMl3lA BASIN MOLLUSK SPECIES OF SPECIAL CONCERN cryptomasfix magnidenfata (Pilsbly, 1940), x7.5 FINAL REPORT Contract #43-OEOO-4-9112 Prepared for: INTERIOR COLUMBIA BASIN ECOSYSTEM MANAGEMENT PROJECT 112 East Poplar Street Walla Walla, WA 99362 TERRENCE J. FREST EDWARD J. JOHANNES January 15, 1995 2517 NE 65th Street Seattle, WA 98115-7125 ‘(206) 527-6764 INTERIOR COLUMBIA BASIN MOLLUSK SPECIES OF SPECIAL CONCERN Terrence J. Frest & Edward J. Johannes Deixis Consultants 2517 NE 65th Street Seattle, WA 98115-7125 (206) 527-6764 January 15,1995 i Each shell, each crawling insect holds a rank important in the plan of Him who framed This scale of beings; holds a rank, which lost Would break the chain and leave behind a gap Which Nature’s self wcuid rue. -Stiiiingfieet, quoted in Tryon (1882) The fast word in ignorance is the man who says of an animal or plant: “what good is it?” If the land mechanism as a whole is good, then every part is good, whether we understand it or not. if the biota in the course of eons has built something we like but do not understand, then who but a fool would discard seemingly useless parts? To keep every cog and wheel is the first rule of intelligent tinkering. -Aido Leopold Put the information you have uncovered to beneficial use. -Anonymous: fortune cookie from China Garden restaurant, Seattle, WA in this “business first” society that we have developed (and that we maintain), the promulgators and pragmatic apologists who favor a “single crop” approach, to enable a continuous “harvest” from the natural system that we have decimated in the name of profits, jobs, etc., are fairfy easy to find. -
Guidelines for Pain and Distress in Laboratory Animals: Responsibilities, Recognition, and Intervention
Guidelines for Pain and Distress in Laboratory Animals: Responsibilities, Recognition, and Intervention Introduction Animals can experience pain and distress. It is the ethical and legal obligation of all personnel involved with the use of animals in research to reduce or eliminate pain and distress in research animals whenever such actions do not interfere with the research objectives. The Institute/Center Animal Care and Use Committee (IC ACUC) has the delegated responsibility and accountability for ensuring that all animals under their oversight are used humanely and in accordance with a number of Federal Regulations and policies.2,21,29,30,32 Key to fulfilling the responsibilities for both the Principal Investigator (PI) and the IC ACUC are to: • understand the legal requirements, • be able to distinguish pain and distress in animals from their normal state, • relieve or minimize the pain and distress appropriately; and • establish humane endpoints. Regulatory Requirements and IC ACUC Responsibilities The IC ACUC must ensure that all aspects of the animal study proposal (ASP) that may cause more than transient pain and/or distress are addressed; alternatives6 to painful or distressful procedures are considered; that methods, anesthetics, and analgesics to minimize or eliminate pain and distress are included when these methods do not interfere with the research objectives; and that humane endpoints have been established for all situations where more than transient pain and distress can not be avoided or eliminated. Whenever possible, death or severe pain and distress should be avoided as endpoints. A written scientific justification is required to be included in the ASP for any more than transient painful or distressful procedure that cannot be relieved or minimized. -
Gastropoda, Pleuroceridae), with Implications for Pleurocerid Conservation
Zoosyst. Evol. 93 (2) 2017, 437–449 | DOI 10.3897/zse.93.14856 museum für naturkunde Genetic structuring in the Pyramid Elimia, Elimia potosiensis (Gastropoda, Pleuroceridae), with implications for pleurocerid conservation Russell L. Minton1, Bethany L. McGregor2, David M. Hayes3, Christopher Paight4, Kentaro Inoue5 1 Department of Biological and Environmental Sciences, University of Houston Clear Lake, 2700 Bay Area Boulevard MC 39, Houston, Texas 77058 USA 2 Florida Medical Entomology Laboratory, Institute of Food and Agricultural Sciences, University of Florida, 200 9th Street SE, Vero Beach, Florida 32962 USA 3 Department of Biological Sciences, Eastern Kentucky University, 521 Lancaster Avenue, Richmond, Kentucky 40475 USA 4 Department of Biological Sciences, University of Rhode Island, 100 Flagg Road, Kingston, Rhode Island 02881 USA 5 Texas A&M Natural Resources Institute, 578 John Kimbrough Boulevard, 2260 TAMU, College Station, Texas 77843 USA http://zoobank.org/E6997CB6-F054-4563-8C57-6C0926855053 Corresponding author: Russell L. Minton ([email protected]) Abstract Received 7 July 2017 The Interior Highlands, in southern North America, possesses a distinct fauna with nu- Accepted 19 September 2017 merous endemic species. Many freshwater taxa from this area exhibit genetic structuring Published 15 November 2017 consistent with biogeography, but this notion has not been explored in freshwater snails. Using mitochondrial 16S DNA sequences and ISSRs, we aimed to examine genetic struc- Academic editor: turing in the Pyramid Elimia, Elimia potosiensis, at various geographic scales. On a broad Matthias Glaubrecht scale, maximum likelihood and network analyses of 16S data revealed a high diversity of mitotypes lacking biogeographic patterns across the range of E. -
A Review of the Effects of Pain and Analgesia on Immune System Function and Inflammation: Relevance for Preclinical Studies
Comparative Medicine Vol 69, No 6 Copyright 2019 December 2019 by the American Association for Laboratory Animal Science Pages 520–534 Overview A Review of the Effects of Pain and Analgesia on Immune System Function and Inflammation: Relevance for Preclinical Studies George J DeMarco1* and Elizabeth A Nunamaker2 One of the most significant challenges facing investigators, laboratory animal veterinarians, and IACUCs, is how to bal- ance appropriate analgesic use, animal welfare, and analgesic impact on experimental results. This is particularly true for in vivo studies on immune system function and inflammatory disease. Often times the effects of analgesic drugs on a particu- lar immune function or model are incomplete or don’t exist. Further complicating the picture is evidence of the very tight integration and bidirectional functionality between the immune system and branches of the nervous system involved in nociception and pain. These relationships have advanced the concept of understanding pain as a protective neuroimmune function and recognizing pathologic pain as a neuroimmune disease. This review strives to summarize extant literature on the effects of pain and analgesia on immune system function and inflammation in the context of preclinical in vivo studies. The authors hope this work will help to guide selection of analgesics for preclinical studies of inflammatory disease and immune system function. Abbreviations and acronyms: CB,Endocannabinoid receptor; CD,Crohn disease; CFA, Complete Freund adjuvant; CGRP,Calcitonin gene-related -
Phenotypic and Microbial Influences on Dairy Heifer Fertility and Calf Gut Microbial Development
Phenotypic and microbial influences on dairy heifer fertility and calf gut microbial development Connor E. Owens Dissertation submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy In Animal Science, Dairy Rebecca R. Cockrum Kristy M. Daniels Alan Ealy Katharine F. Knowlton September 17, 2020 Blacksburg, VA Keywords: microbiome, fertility, inoculation Phenotypic and microbial influences on dairy heifer fertility and calf gut microbial development Connor E. Owens ABSTRACT (Academic) Pregnancy loss and calf death can cost dairy producers more than $230 million annually. While methods involving nutrition, climate, and health management to mitigate pregnancy loss and calf death have been developed, one potential influence that has not been well examined is the reproductive microbiome. I hypothesized that the microbiome of the reproductive tract would influence heifer fertility and calf gut microbial development. The objectives of this dissertation were: 1) to examine differences in phenotypes related to reproductive physiology in virgin Holstein heifers based on outcome of first insemination, 2) to characterize the uterine microbiome of virgin Holstein heifers before insemination and examine associations between uterine microbial composition and fertility related phenotypes, insemination outcome, and season of breeding, and 3) to characterize the various maternal and calf fecal microbiomes and predicted metagenomes during peri-partum and post-partum periods and examine the influence of the maternal microbiome on calf gut development during the pre-weaning phase. In the first experiment, virgin Holstein heifers (n = 52) were enrolled over 12 periods, on period per month. On -3 d before insemination, heifers were weighed and the uterus was flushed. -
Grapiprant: an EP4 Prostaglandin Receptor Antagonist and Novel Therapy for Pain and Inflammation
DOI: 10.1002/vms3.13 Review Grapiprant: an EP4 prostaglandin receptor antagonist and novel therapy for pain and inflammation † Kristin Kirkby Shaw , Lesley C. Rausch-Derra* and Linda Rhodes* † *Aratana Therapeutics, Inc., Kansas City, Kansas, USA and Animal Surgical Clinic of Seattle, Seattle, Washington, USA Abstract There are five active prostanoid metabolites of arachidonic acid (AA) that have widespread and varied physio- logic functions throughout the body, including regulation of gastrointestinal mucosal blood flow, renal haemo- dynamics and primary haemostasis. Each prostanoid has at least one distinct receptor that mediates its action. Prostaglandin E2 (PGE2) is a prostanoid that serves important homeostatic functions, yet is also responsible for regulating pain and inflammation. PGE2 binds to four receptors, of which one, the EP4 receptor, is primar- ily responsible for the pain and inflammation associated with osteoarthritis (OA). The deleterious and patho- logic actions of PGE2 are inhibited in varying degrees by steroids, aspirin and cyclo-oxygenase inhibiting NSAIDs; however, administration of these drugs causes decreased production of PGE2, thereby decreasing or eliminating the homeostatic functions of the molecule. By inhibiting just the EP4 receptor, the homeostatic function of PGE2 is better maintained. This manuscript will introduce a new class of pharmaceuticals known as the piprant class. Piprants are prostaglandin receptor antagonists (PRA). This article will include basic physiol- ogy of AA, prostanoids and piprants, will review available evidence for the relevance of EP4 PRAs in rodent models of pain and inflammation, and will reference available data for an EP4 PRA in dogs and cats. Piprants are currently in development for veterinary patients and the purpose of this manuscript is to introduce veteri- narians to the class of drugs, with emphasis on an EP4 PRA and its potential role in the control of pain and inflammation associated with OA in dogs and cats. -
Do “Prey Species” Hide Their Pain? Implications for Ethical Care and Use of Laboratory Animals
Journal of Applied Animal Ethics Research 2 (2020) 216–236 brill.com/jaae Do “Prey Species” Hide Their Pain? Implications for Ethical Care and Use of Laboratory Animals Larry Carbone Independent scholar; 351 Buena Vista Ave #703E, San Francisco, CA 94117, USA [email protected] Abstract Accurate pain evaluation is essential for ethical review of laboratory animal use. Warnings that “prey species hide their pain,” encourage careful accurate pain assess- ment. In this article, I review relevant literature on prey species’ pain manifestation through the lens of the applied ethics of animal welfare oversight. If dogs are the spe- cies whose pain is most reliably diagnosed, I argue that it is not their diet as predator or prey but rather because dogs and humans can develop trusting relationships and because people invest time and effort in canine pain diagnosis. Pain diagnosis for all animals may improve when humans foster a trusting relationship with animals and invest time into multimodal pain evaluations. Where this is not practical, as with large cohorts of laboratory mice, committees must regard with skepticism assurances that animals “appear” pain-free on experiments, requiring thorough literature searches and sophisticated pain assessments during pilot work. Keywords laboratory animal ‒ pain ‒ animal welfare ‒ ethics ‒ animal behavior 1 Introduction As a veterinarian with an interest in laboratory animal pain management, I have read articles and reviewed manuscripts on how to diagnose a mouse in pain. The challenge, some authors warn, is that mice and other “prey species” © LARRY CARBONE, 2020 | doi:10.1163/25889567-bja10001 This is an open access article distributed under the terms of the CC BY 4.0Downloaded license. -
Scientific Advances in the Study of Animal Welfare
Scientific advances in the study of animal welfare How we can more effectively Why Pain? assess pain… Matt Leach To recognise it, you need to define it… ‘Pain is an unpleasant sensory & emotional experience associated with actual or potential tissue damage’ IASP 1979 As it is the emotional component that is critical for our welfare, the same will be true for animals Therefore we need indices that reflect this component! Q. How do we assess experience? • As it is subjective, direct assessment is difficult.. • Unlike in humans we do not have a gold standard – i.e. Self-report – Animals cannot meaningfully communicate with us… • So we traditionally use proxy indices Derived from inferential reasoning Infer presence of pain in animals from behavioural, anatomical, physiological & biochemical similarity to humans In humans, if pain induces a change & that change is prevented by pain relief, then it is used to assess pain If the same occurs in animals, then we assume that they can be used to assess pain Quantitative sensory testing • Application of standardised noxious stimuli to induce a reflex response – Mechanical, thermal or electrical… – Used to measure nociceptive (i.e. sensory) thresholds • Wide range of methods used – Choice depends on type of pain (acute / chronic) modeled • Elicits specific behavioural response (e.g. withdrawal) – Latency & frequency of response routinely measured – Intensity of stimulus required to elicit a response • Easy to use, but difficult to master… Value? • What do these tests tell us: – Fundamental nociceptive mechanisms & central processing – It measures evoked pain, not spontaneous pain • Tests of hypersensitivity not pain per se (Different mechanisms) • What don’t these tests tell us: – Much about the emotional component of pain • Measures nociceptive (sensory) thresholds based on autonomic responses (e.g.