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Berberich M, Grochow T, Roßner N, Schmäschke R, Rentería-Solís Z. Linguatula serrata in an imported dog in Germany: Single-case or emerging disease? Vet Parasitol Reg Stud Reports 2022; 30:100717. [PMID: 35431073 DOI: 10.1016/j.vprsr.2022.100717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/29/2021] [Accepted: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Linguatula serrata is a worm-like parasite with zoonotic potential that inhabits the nasal cavities of canids. Although most cases of linguatulosis are associated with unspecific and rather mild respiratory symptoms, cases of unusual infestations and severe courses in both animals and humans have been reported. In central and northern Europe, the pathogen used to appear only sporadically, however, within the last few years the number of detections has increased noticeably. In July 2020 an approximately nine-month-old dog, imported from Romania, was presented in a veterinary practice in Gotha, central Germany, due to persistent worsening cough. Despite antibiotic treatment the tussis became more severe until the dog expectorated multiple worm-like structures. Three of these specimens were sent to the Institute of Parasitology (Faculty of Veterinary Medicine, University of Leipzig, Leipzig) for morphological and genetic species identification. The latter was based on a 1000-bp fragment of the mitochondrial cytochrome c oxidase subunit I gene (cox1) and the complete nuclear 18S rRNA gene. The dog presented in this study suffered from a severe respiratory impairment caused by worm-like parasites inhabiting its upper respiratory tract. The detected parasites were morphologically identified as female specimens of the so-called tongue-worm L. serrata, which was confirmed by pairwise alignment and phylogenetic analysis of the produced sequences. We report an unusually severe case of L. serrata infection in an imported dog and discuss the spread of this potentially dangerous parasite in central and northern Europe.
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Affiliation(s)
- Maxi Berberich
- Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 35, 04103 Leipzig, Germany.
| | - Thomas Grochow
- Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 35, 04103 Leipzig, Germany; Institute of Veterinary Anatomy, Histology and Embryology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 43, 04103 Leipzig, Germany.
| | - Nadine Roßner
- Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 35, 04103 Leipzig, Germany.
| | - Ronald Schmäschke
- Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 35, 04103 Leipzig, Germany.
| | - Zaida Rentería-Solís
- Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, An den Tierkliniken 35, 04103 Leipzig, Germany.
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Grau JH, Dunlop JA, Meixner M, Tappe D, Gjerde B. The complete mitochondrial genome of the pentastomid Linguatula arctica (Pentastomida) from reindeer ( Rangifer tarandus) in Northern Norway. MITOCHONDRIAL DNA PART B-RESOURCES 2020; 5:3456-3457. [PMID: 33367016 PMCID: PMC7594850 DOI: 10.1080/23802359.2020.1823255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Here, we present the first complete mitochondrial genome of the pentastomid Linguatula arctica collected from the nasal passages of a reindeer (Rangifer tarandus) in Norway. The full length mitochondrial genome of L. arctica, which measures 14,789 bp in length, contains 13 protein-coding genes, 2 ribosomal RNA genes and 22 transfer RNA genes. A clear A + T bias is observed in the mitogenome of L. arctica with an overall base composition of 32.6% A, 27.5% T, 32.8% C, and 7,1% G., and a GC content of 39.9%. The gene arrangement is identical to that of previously described pentastomid mitogenomes.
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Affiliation(s)
- José Horacio Grau
- Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Museum für Naturkunde Berlin, Berlin, Germany
| | - Jason A Dunlop
- Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Museum für Naturkunde Berlin, Berlin, Germany
| | - Martin Meixner
- SMB Services in Molecular Biology GmbH, Ruedersdorf, Germany
| | - Dennis Tappe
- Bernhard-Nocht-Institut für Tropenmedizin, Nationales Referenzzentrum für tropische Infektionserreger, Hamburg, Germany
| | - Bjørn Gjerde
- Faculty of Veterinary Medicine, Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Sentrum, Oslo, Norway
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Lemarcis T, Chesnais CB, Pion SDS, Boussinesq M, Locatelli S. Detection of a Larva of Armillifer armillatus in a Potto (Perodicticus potto) from the Republic of the Congo. J Parasitol 2020; 106:654-662. [PMID: 33079999 DOI: 10.1645/20-51] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
We determined the complete sequence of the mitochondrial DNA (mtDNA) of a parasite discovered between the subcutaneous tissue and the peritoneum of an African nocturnal non-human primate (NHP). The parasite and host sequences were obtained by a combination of Sanger sequencing and nanopore MinION techniques. Analyses of mtDNA gene arrangements and sequences unambiguously showed that the parasite investigated was the pentastomid Armillifer armillatus, also commonly named the tongue worm. The full-length mitochondrial genome of A. armillatus, measuring 16,706 bp in length, contains 13 protein-coding genes, 2 ribosomal RNA genes, and 22 transfer RNA genes, an arrangement identical to that of previously described pentastomid mitochondrial genomes. We describe here the second full mitochondrial genome of A. armillatus to date. To identify the NHP host, maximum likelihood phylogenetic analyses of a 441-bp fragment on the 12S rDNA gene and of a 1,140-bp fragment of the mitochondrial cytochrome b strongly support clustering with the African lorisid Perodicticus potto, a species that has rarely been reported as an intermediate host of this parasite.
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Affiliation(s)
- Thomas Lemarcis
- IRD, UMI 233-TransVIHMI-INSERM U1175, University de Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Cédric Benjamin Chesnais
- IRD, UMI 233-TransVIHMI-INSERM U1175, University de Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Sébastien David Serge Pion
- IRD, UMI 233-TransVIHMI-INSERM U1175, University de Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Michel Boussinesq
- IRD, UMI 233-TransVIHMI-INSERM U1175, University de Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
| | - Sabrina Locatelli
- IRD, UMI 233-TransVIHMI-INSERM U1175, University de Montpellier, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France.,Current address: IRD, UMR 224-CNRS5290-MIVEGEC, University de Montpellier, MIVEGEC, 911, Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France
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Smit NJ, Bruce NL, Hadfield KA. Life Cycle and Life History Strategies of Parasitic Crustacea. PARASITIC CRUSTACEA 2019; 3. [PMCID: PMC7124122 DOI: 10.1007/978-3-030-17385-2_5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
Abstract
Different parasitic life strategies are described including four new life cycles: complex rebrooding, micro-male, mesoparasite and prey-predator transfer. Four new life cycle behaviours are named: nursery hiding, mid-moult stage, positive precursor (intraspecific antagonism) and negative precursor (ambush strategy). Further strategies discussed are opossum attack, double parasitism (doubling of the normal reproductive set), duplex arrangement (separated male-female pairs), simple rebrooding, and describing how displaced parasites and superinfections may partly elucidate life cycles. Proportional stunting masks life history effects of parasitism; cuckoo copepods are true parasites and not just associates; burrowing barnacles (acrothoracicans) are not parasites. Further findings based on life cycle information: branchiurans and pentastomes are possibly not related; firefly seed shrimp are not parasites; copepod pre-adult life cycle stages are common in the western pacific but rare in Caribbean; harpacticoids on vertebrates are not parasites; cuckoo copepods are true parasites; explained the importance of pennellid intermediate hosts. Crustacean parasite life cycles are largely unknown (1% of species). Most crustacean life cycles represent minor modifications from the ancestral free-living mode. Crustacean parasites have less complex and less modified life cycles than other major parasite groups. This limits their exploitation of, and effectiveness, in parasitism. However, these life cycles will be an advantage in Global Change. Most metazoan parasites will be eliminated while crustaceans (and nematodes) will inherit the new world of parasites.
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Affiliation(s)
- Nico J. Smit
- North-West University, and Unit for Environmental Sciences and Management , Potchefstroom, Northwest South Africa
| | - Niel L. Bruce
- Biodiversity & Geosciences Program, Queensland Museum, South Brisbane BC, Queensland 4101, Australia, and Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Kerry A. Hadfield
- Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
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Naude T, Pant S, Tavassoli M, Sarker S, Ghorashi SA. The complete mitochondrial genome of Linguatula serrata (tongue worm) isolated from a dog and phylogenetic analysis. MITOCHONDRIAL DNA PART B-RESOURCES 2018; 3:357-358. [PMID: 33474168 PMCID: PMC7800056 DOI: 10.1080/23802359.2018.1450679] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The complete mitogenome of Linguatula serrata isolated from nasal cavity of a dog was characterized for the first time. The total size of the circular mitogenome was 15,328 bp consisting of 37 genes including 13 protein coding genes, 22 tRNA genes, two rRNA genes and two control regions. Phylogenetic tree was constructed based on 17 closely related species and their genetic relationship with Linguatula serrata was analysed.
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Affiliation(s)
- Tanian Naude
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia
| | - Sameer Pant
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia.,Graham Centre for Agricultural Innovation, Wagga Wagga, Australia
| | - Mousa Tavassoli
- Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Subir Sarker
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Victoria, Australia
| | - Seyed Ali Ghorashi
- School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, Australia.,Graham Centre for Agricultural Innovation, Wagga Wagga, Australia
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Giribet G, Edgecombe GD. Current Understanding of Ecdysozoa and its Internal Phylogenetic Relationships. Integr Comp Biol 2017; 57:455-466. [DOI: 10.1093/icb/icx072] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Grau JH, Dunlop JA, Meixner M, Tappe D. The complete mitochondrial genome of the pentastomid Armillifer grandis (Pentastomida) from the Democratic Republic of Congo. MITOCHONDRIAL DNA PART B-RESOURCES 2017; 2:287-288. [PMID: 33473800 PMCID: PMC7799987 DOI: 10.1080/23802359.2017.1325341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
We present the first complete mitochondrial genome of the pentastomid Armillifer grandis (Arthropoda: Pentastomida) collected from the lungs of a rhinoceros viper (Bitis nasicornis) in the Democratic Republic of Congo. The full length mitochondrial genome of Armillifer grandis, which measures 16,073 bp in length, contains 13 protein-coding genes, 2 ribosomal RNA genes, and 22 transfer RNA genes. A clear A + T bias is observed in the mitogenome of Armillifer grandis with an overall base composition of 34.6% A, 29.4% T, 29% C, and 6.9% G, and a GC content of 35.9%. The gene arrangement is identical to that of previously described pentastomid mitogenomes.
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Affiliation(s)
- José Horacio Grau
- Museum für Naturkunde Berlin, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Berlin, Germany
| | - Jason A Dunlop
- Museum für Naturkunde Berlin, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Berlin, Germany
| | - Martin Meixner
- SMB Services in Molecular Biology GmbH, Ruedersdorf, Germany
| | - Dennis Tappe
- Nationales Referenzzentrum für tropische Infektionserreger, Bernhard-Nocht-Institut für Tropenmedizin, Hamburg, Germany
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