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Genetic Analysis of Signal Peptides in Amphibian Antimicrobial Secretions
Journal of Genetics, Vol. 97, No. 5, December 2018, pp. 1205–1212 © Indian Academy of Sciences https://doi.org/10.1007/s12041-018-1018-5 RESEARCH ARTICLE Genetic analysis of signal peptides in amphibian antimicrobial secretions L. O. PÉREZ1, N. L. CANCELARICH2, S. AGUILAR2,3,N.G.BASSO4 and M. M. MARANI2∗ 1Instituto Patagónico de Ciencias Sociales y Humanas (IPCSH), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Puerto Madryn, Argentina 2Instituto Patagónico para el Estudio de Ecosistemas Continentales (IPEEC),Puerto Madryn, Argentina 3Facultad de Ciencias Naturales, Sede Puerto Madryn, Universidad Nacional de la Patagonia San Juan Bosco, 3051 Brown Boulevard, Puerto Madryn, Argentina 4Instituto de Diversidad y Evolución Austral (IDEAus), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 2915 Brown Boulevard, Puerto Madryn, Argentina *For correspondence. E-mail: [email protected]. Received 22 February 2018; accepted 1 May 2018; published online 7 November 2018 Abstract. Amphibian secretion is an important source of bioactive molecules that naturally protect the skin against noxious microorganisms. Collectively called antimicrobial peptides (AMPs), these molecules have a wide spectrum of action, targeting viruses, bacteria and fungi. Like many membrane and secreted proteins, AMPs have cleavable signal sequences that mediate and translocate the nascent polypeptide chains into the endoplasmic reticulum. Although it is accepted that the signal peptides (SPs) are simple and interchangeable, there is neither sequence nor structure that is conserved among all gene families. They derived from a common ancestor but developed different traits as they adapt to distinct environmental pressures. The aim of this study was to provide an overview of the diversity of SPs of the frog, taking into account reported cDNA sequences and the evolutionary relationship among them. -
Catalogue of the Amphibians of Venezuela: Illustrated and Annotated Species List, Distribution, and Conservation 1,2César L
Mannophryne vulcano, Male carrying tadpoles. El Ávila (Parque Nacional Guairarepano), Distrito Federal. Photo: Jose Vieira. We want to dedicate this work to some outstanding individuals who encouraged us, directly or indirectly, and are no longer with us. They were colleagues and close friends, and their friendship will remain for years to come. César Molina Rodríguez (1960–2015) Erik Arrieta Márquez (1978–2008) Jose Ayarzagüena Sanz (1952–2011) Saúl Gutiérrez Eljuri (1960–2012) Juan Rivero (1923–2014) Luis Scott (1948–2011) Marco Natera Mumaw (1972–2010) Official journal website: Amphibian & Reptile Conservation amphibian-reptile-conservation.org 13(1) [Special Section]: 1–198 (e180). Catalogue of the amphibians of Venezuela: Illustrated and annotated species list, distribution, and conservation 1,2César L. Barrio-Amorós, 3,4Fernando J. M. Rojas-Runjaic, and 5J. Celsa Señaris 1Fundación AndígenA, Apartado Postal 210, Mérida, VENEZUELA 2Current address: Doc Frog Expeditions, Uvita de Osa, COSTA RICA 3Fundación La Salle de Ciencias Naturales, Museo de Historia Natural La Salle, Apartado Postal 1930, Caracas 1010-A, VENEZUELA 4Current address: Pontifícia Universidade Católica do Río Grande do Sul (PUCRS), Laboratório de Sistemática de Vertebrados, Av. Ipiranga 6681, Porto Alegre, RS 90619–900, BRAZIL 5Instituto Venezolano de Investigaciones Científicas, Altos de Pipe, apartado 20632, Caracas 1020, VENEZUELA Abstract.—Presented is an annotated checklist of the amphibians of Venezuela, current as of December 2018. The last comprehensive list (Barrio-Amorós 2009c) included a total of 333 species, while the current catalogue lists 387 species (370 anurans, 10 caecilians, and seven salamanders), including 28 species not yet described or properly identified. Fifty species and four genera are added to the previous list, 25 species are deleted, and 47 experienced nomenclatural changes. -
Species Limits, and Evolutionary History of Glassfrogs
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athematical representation is inevitably simplistic, and occasionally one has to be brutal in forcing it to suit a reality that can only be very complex. And yet, there is a beauty about trees because of the simplicity with which they allow you to describe a series of events […]. But one must ask whether one is justified simplifying reality to the extent necessary to represent it as a tree. Cavalli-Sforza, Genes, People, and Languages (2001) The universe is no narrow thing and the order within it is not constrained by any latitude in is conception to repeat what exists in one part in any other part. Even in this world more things exist -
A Draft Genome Assembly of the Eastern Banjo Frog Limnodynastes Dumerilii Dumerilii (Anura: Limnodynastidae)
bioRxiv preprint doi: https://doi.org/10.1101/2020.03.03.971721; this version posted May 20, 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 A draft genome assembly of the eastern banjo frog Limnodynastes dumerilii 2 dumerilii (Anura: Limnodynastidae) 3 Qiye Li1,2, Qunfei Guo1,3, Yang Zhou1, Huishuang Tan1,4, Terry Bertozzi5,6, Yuanzhen Zhu1,7, 4 Ji Li2,8, Stephen Donnellan5, Guojie Zhang2,8,9,10* 5 6 1 BGI-Shenzhen, Shenzhen 518083, China 7 2 State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, 8 Chinese Academy of Sciences, Kunming 650223, China 9 3 College of Life Science and Technology, Huazhong University of Science and Technology, 10 Wuhan 430074, China 11 4 Center for Informational Biology, University of Electronic Science and Technology of China, 12 Chengdu 611731, China 13 5 South Australian Museum, North Terrace, Adelaide 5000, Australia 14 6 School of Biological Sciences, University of Adelaide, North Terrace, Adelaide 5005, 15 Australia 16 7 School of Basic Medicine, Qingdao University, Qingdao 266071, China 17 8 China National Genebank, BGI-Shenzhen, Shenzhen 518120, China 18 9 Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, 19 650223, Kunming, China 20 10 Section for Ecology and Evolution, Department of Biology, University of Copenhagen, DK- 21 2100 Copenhagen, Denmark 22 * Correspondence: [email protected] (G.Z.). -
Rampant Tooth Loss Across 200 Million Years of Frog Evolution
bioRxiv preprint doi: https://doi.org/10.1101/2021.02.04.429809; this version posted February 6, 2021. 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 4.0 International license. 1 Rampant tooth loss across 200 million years of frog evolution 2 3 4 Daniel J. Paluh1,2, Karina Riddell1, Catherine M. Early1,3, Maggie M. Hantak1, Gregory F.M. 5 Jongsma1,2, Rachel M. Keeffe1,2, Fernanda Magalhães Silva1,4, Stuart V. Nielsen1, María Camila 6 Vallejo-Pareja1,2, Edward L. Stanley1, David C. Blackburn1 7 8 1Department of Natural History, Florida Museum of Natural History, University of Florida, 9 Gainesville, Florida USA 32611 10 2Department of Biology, University of Florida, Gainesville, Florida USA 32611 11 3Biology Department, Science Museum of Minnesota, Saint Paul, Minnesota USA 55102 12 4Programa de Pós Graduação em Zoologia, Universidade Federal do Pará/Museu Paraense 13 Emilio Goeldi, Belém, Pará Brazil 14 15 *Corresponding author: Daniel J. Paluh, [email protected], +1 814-602-3764 16 17 Key words: Anura; teeth; edentulism; toothlessness; trait lability; comparative methods 1 bioRxiv preprint doi: https://doi.org/10.1101/2021.02.04.429809; this version posted February 6, 2021. 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 4.0 International license. -
3Systematics and Diversity of Extant Amphibians
Systematics and Diversity of 3 Extant Amphibians he three extant lissamphibian lineages (hereafter amples of classic systematics papers. We present widely referred to by the more common term amphibians) used common names of groups in addition to scientifi c Tare descendants of a common ancestor that lived names, noting also that herpetologists colloquially refer during (or soon after) the Late Carboniferous. Since the to most clades by their scientifi c name (e.g., ranids, am- three lineages diverged, each has evolved unique fea- bystomatids, typhlonectids). tures that defi ne the group; however, salamanders, frogs, A total of 7,303 species of amphibians are recognized and caecelians also share many traits that are evidence and new species—primarily tropical frogs and salaman- of their common ancestry. Two of the most defi nitive of ders—continue to be described. Frogs are far more di- these traits are: verse than salamanders and caecelians combined; more than 6,400 (~88%) of extant amphibian species are frogs, 1. Nearly all amphibians have complex life histories. almost 25% of which have been described in the past Most species undergo metamorphosis from an 15 years. Salamanders comprise more than 660 species, aquatic larva to a terrestrial adult, and even spe- and there are 200 species of caecilians. Amphibian diver- cies that lay terrestrial eggs require moist nest sity is not evenly distributed within families. For example, sites to prevent desiccation. Thus, regardless of more than 65% of extant salamanders are in the family the habitat of the adult, all species of amphibians Plethodontidae, and more than 50% of all frogs are in just are fundamentally tied to water. -
“HARROWFOOT FROGS” (ANURA: NEOBATRACHIA) INFERRED from Breviceps Mossambicus RE-DESCRIPTION (FORMERLY in BREVICIPITIDAE) from TANZANIA
Journal of Biology and Nature 4(4): 200-205, 2015 ISSN: 2395-5376 (P), ISSN: 2395-5384 (O) International Knowledge Press www.ikpress.org RASTAPODIDAE FAM. NOV. OF “HARROWFOOT FROGS” (ANURA: NEOBATRACHIA) INFERRED FROM Breviceps mossambicus RE-DESCRIPTION (FORMERLY IN BREVICIPITIDAE) FROM TANZANIA NICODEMUS D. MATOJO 1* 1Department of Life Science, Mkwawa University College of Education, University of Dar es Salaam, P.O.Box 2513 Iringa, Tanzania. AUTHOR’S CONTRIBUTION The sole author designed, analyzed and interpreted and prepared the manuscript. Received: 26 th August 2015 Accepted: 31 st October 2015 Published: 24 th November 2015 Original Research Article __________________________________________________________________________________ ABSTRACT A new family comprising “Harrowfoot Frogs” (Anura: Neobatrachia) has been inferred from the Mozambique rain frog, Breviceps mossambicus , also known as flat-faced frog, re-described from Tanzania. Members have football-shaped eyes, horizontal pupils and smooth skin with no paratoid glands, typically like Hemisotidae – the shovelnose frogs also known as snout burrowers. Most importantly, the new family has a distinct heavy framework of keratinous harrow-like digging device on hind foot, correlating to one or two lesser foot tubercles known in the spadefoot toads (Pelobatidae and Scaphiopodidae) and true toads (Bufonidae), respectively. The identified harrow is made up of three forklets trifurcated on metatarsal 2 to 4 of each foot. All frogs with this homology fall under their own group, Rastapodidae -
BOA5.1-2 Frog Biology, Taxonomy and Biodiversity
The Biology of Amphibians Agnes Scott College Mark Mandica Executive Director The Amphibian Foundation [email protected] 678 379 TOAD (8623) Phyllomedusidae: Agalychnis annae 5.1-2: Frog Biology, Taxonomy & Biodiversity Part 2, Neobatrachia Hylidae: Dendropsophus ebraccatus CLassification of Order: Anura † Triadobatrachus Ascaphidae Leiopelmatidae Bombinatoridae Alytidae (Discoglossidae) Pipidae Rhynophrynidae Scaphiopopidae Pelodytidae Megophryidae Pelobatidae Heleophrynidae Nasikabatrachidae Sooglossidae Calyptocephalellidae Myobatrachidae Alsodidae Batrachylidae Bufonidae Ceratophryidae Cycloramphidae Hemiphractidae Hylodidae Leptodactylidae Odontophrynidae Rhinodermatidae Telmatobiidae Allophrynidae Centrolenidae Hylidae Dendrobatidae Brachycephalidae Ceuthomantidae Craugastoridae Eleutherodactylidae Strabomantidae Arthroleptidae Hyperoliidae Breviceptidae Hemisotidae Microhylidae Ceratobatrachidae Conrauidae Micrixalidae Nyctibatrachidae Petropedetidae Phrynobatrachidae Ptychadenidae Ranidae Ranixalidae Dicroglossidae Pyxicephalidae Rhacophoridae Mantellidae A B † 3 † † † Actinopterygian Coelacanth, Tetrapodomorpha †Amniota *Gerobatrachus (Ray-fin Fishes) Lungfish (stem-tetrapods) (Reptiles, Mammals)Lepospondyls † (’frogomander’) Eocaecilia GymnophionaKaraurus Caudata Triadobatrachus 2 Anura Sub Orders Super Families (including Apoda Urodela Prosalirus †) 1 Archaeobatrachia A Hyloidea 2 Mesobatrachia B Ranoidea 1 Anura Salientia 3 Neobatrachia Batrachia Lissamphibia *Gerobatrachus may be the sister taxon Salientia Temnospondyls -
Herpetology 101 Aims to Teach Students the Basics of Reptile and Amphibian Biology While Instilling an Interest in Life and Animal Sciences
Splash Herpetology Goals: Herpetology 101 aims to teach students the basics of reptile and amphibian biology while instilling an interest in life and animal sciences. Materials Requested: We’re requesting a frog life cycle replica, a coral snake replica, and a red eared slider replica. These will cost $29.97, but it is expected to be a little over $30 with tax and shipping included (we will pay the rest if we need to). We would like to use these replicas to teach about animals we don’t have—for example, we obviously do not have a venomous, deadly coral snake, so we would like to have a replica to show people what to look for. We would also like a replica aquatic turtle to demonstrate the differences between terrestrial and aquatic chelonians, and a series of frog/tadpole replicas to demonstrate the amphibian life cycle. Class outline is below. We’ll spend our time going over the below information and observing and handling live reptiles and amphibians! ● Introduction to us and WISE ○ Who we are on campus ○ What animals we work with (herps and inverts) ● Introduction to reptiles and amphibians ○ Similarities: ectotherms, no fur or feathers, oviparous ○ Differences: amphibians have an aquatic larval stage, skin versus scales, some ovoviviparous reptiles versus all oviparous amphibs, amphibs poisonous while reptiles generally venomous, reptile eggs are leathery ● Amphibian biology ○ Study of amphibians: “Batrachology” ○ 7,000 species, 90% of which are frogs ○ Ecological indicator species ■ Skin is a secondary/primary respiratory organ ■ -
Chondrocranial and Oral Morphology of Pipoid Frogs Charles Christopher Swart
University of Richmond UR Scholarship Repository Master's Theses Student Research 1998 Chondrocranial and oral morphology of pipoid frogs Charles Christopher Swart Follow this and additional works at: http://scholarship.richmond.edu/masters-theses Part of the Biology Commons Recommended Citation Swart, Charles Christopher, "Chondrocranial and oral morphology of pipoid frogs" (1998). Master's Theses. Paper 1065. This Thesis is brought to you for free and open access by the Student Research at UR Scholarship Repository. It has been accepted for inclusion in Master's Theses by an authorized administrator of UR Scholarship Repository. For more information, please contact [email protected]. Chondrocranial and Oral Morphology of Pipoid Frogs by Charles Christopher Swart I certify that I have read this thesis and find that, in scope and quality, it satisfies the requirements for the degree of Master of Science. Dr.Joi<rlttayden Dr.G~;?j_~ T Other Faculty Members: TT Chondrocranial and Oral Morphology of Pipoid Frogs Charles Christopher Swart Masters of Science in Biology University of Richmond, 1998 Thesis Director: Rafael 0. de Sa Abstract. The Pipoidea are a diverse group of frogs. Their diversity is demonstrated in their morphology, ecology, and behavior. One pipoid species, Xenopus laevis, has been used as a model system of developmental, physiological, and molecular studies of vertebrates. My work has focused on the developmental morphology of the chondrocranium and oral morphology of four pipoid taxa: Hymenochirus boettgeri, Rhinophrynus dorsalis, Pipa carvalhoi, and Xenopus laevis. Previous studies have suggested that the Anura may be diphyletic based on the unique characteristics of the chondrocanial morphology of pipoids. -
1704632114.Full.Pdf
Phylogenomics reveals rapid, simultaneous PNAS PLUS diversification of three major clades of Gondwanan frogs at the Cretaceous–Paleogene boundary Yan-Jie Fenga, David C. Blackburnb, Dan Lianga, David M. Hillisc, David B. Waked,1, David C. Cannatellac,1, and Peng Zhanga,1 aState Key Laboratory of Biocontrol, College of Ecology and Evolution, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510006, China; bDepartment of Natural History, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611; cDepartment of Integrative Biology and Biodiversity Collections, University of Texas, Austin, TX 78712; and dMuseum of Vertebrate Zoology and Department of Integrative Biology, University of California, Berkeley, CA 94720 Contributed by David B. Wake, June 2, 2017 (sent for review March 22, 2017; reviewed by S. Blair Hedges and Jonathan B. Losos) Frogs (Anura) are one of the most diverse groups of vertebrates The poor resolution for many nodes in anuran phylogeny is and comprise nearly 90% of living amphibian species. Their world- likely a result of the small number of molecular markers tra- wide distribution and diverse biology make them well-suited for ditionally used for these analyses. Previous large-scale studies assessing fundamental questions in evolution, ecology, and conser- used 6 genes (∼4,700 nt) (4), 5 genes (∼3,800 nt) (5), 12 genes vation. However, despite their scientific importance, the evolutionary (6) with ∼12,000 nt of GenBank data (but with ∼80% missing history and tempo of frog diversification remain poorly understood. data), and whole mitochondrial genomes (∼11,000 nt) (7). In By using a molecular dataset of unprecedented size, including 88-kb the larger datasets (e.g., ref. -
Phylogenetics, Classification, and Biogeography of the Treefrogs (Amphibia: Anura: Arboranae)
Zootaxa 4104 (1): 001–109 ISSN 1175-5326 (print edition) http://www.mapress.com/j/zt/ Monograph ZOOTAXA Copyright © 2016 Magnolia Press ISSN 1175-5334 (online edition) http://doi.org/10.11646/zootaxa.4104.1.1 http://zoobank.org/urn:lsid:zoobank.org:pub:D598E724-C9E4-4BBA-B25D-511300A47B1D ZOOTAXA 4104 Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae) WILLIAM E. DUELLMAN1,3, ANGELA B. MARION2 & S. BLAIR HEDGES2 1Biodiversity Institute, University of Kansas, 1345 Jayhawk Blvd., Lawrence, Kansas 66045-7593, USA 2Center for Biodiversity, Temple University, 1925 N 12th Street, Philadelphia, Pennsylvania 19122-1601, USA 3Corresponding author. E-mail: [email protected] Magnolia Press Auckland, New Zealand Accepted by M. Vences: 27 Oct. 2015; published: 19 Apr. 2016 WILLIAM E. DUELLMAN, ANGELA B. MARION & S. BLAIR HEDGES Phylogenetics, Classification, and Biogeography of the Treefrogs (Amphibia: Anura: Arboranae) (Zootaxa 4104) 109 pp.; 30 cm. 19 April 2016 ISBN 978-1-77557-937-3 (paperback) ISBN 978-1-77557-938-0 (Online edition) FIRST PUBLISHED IN 2016 BY Magnolia Press P.O. Box 41-383 Auckland 1346 New Zealand e-mail: [email protected] http://www.mapress.com/j/zt © 2016 Magnolia Press All rights reserved. No part of this publication may be reproduced, stored, transmitted or disseminated, in any form, or by any means, without prior written permission from the publisher, to whom all requests to reproduce copyright material should be directed in writing. This authorization does not extend to any other kind of copying, by any means, in any form, and for any purpose other than private research use.