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Gastineau R, Lemieux C, Turmel M, Otis C, Boyle B, Coulis M, Gouraud C, Boag B, Murchie AK, Winsor L, Justine JL. The invasive land flatworm Arthurdendyus triangulatus has repeated sequences in the mitogenome, extra-long cox2 gene and paralogous nuclear rRNA clusters. Sci Rep 2024; 14:7840. [PMID: 38570596 PMCID: PMC10991399 DOI: 10.1038/s41598-024-58600-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 04/01/2024] [Indexed: 04/05/2024] Open
Abstract
Using a combination of short- and long-reads sequencing, we were able to sequence the complete mitochondrial genome of the invasive 'New Zealand flatworm' Arthurdendyus triangulatus (Geoplanidae, Rhynchodeminae, Caenoplanini) and its two complete paralogous nuclear rRNA gene clusters. The mitogenome has a total length of 20,309 bp and contains repetitions that includes two types of tandem-repeats that could not be solved by short-reads sequencing. We also sequenced for the first time the mitogenomes of four species of Caenoplana (Caenoplanini). A maximum likelihood phylogeny associated A. triangulatus with the other Caenoplanini but Parakontikia ventrolineata and Australopacifica atrata were rejected from the Caenoplanini and associated instead with the Rhynchodemini, with Platydemus manokwari. It was found that the mitogenomes of all species of the subfamily Rhynchodeminae share several unusual structural features, including a very long cox2 gene. This is the first time that the complete paralogous rRNA clusters, which differ in length, sequence and seemingly number of copies, were obtained for a Geoplanidae.
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Affiliation(s)
- Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, Poland.
| | - Claude Lemieux
- Département de Biochimie, de Microbiologie et de Bio-Informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Quebec, QC, Canada
| | - Monique Turmel
- Département de Biochimie, de Microbiologie et de Bio-Informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Quebec, QC, Canada
| | - Christian Otis
- Plateforme d'Analyse Génomique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Quebec, QC, Canada
| | - Brian Boyle
- Plateforme d'Analyse Génomique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Quebec, QC, Canada
| | - Mathieu Coulis
- CIRAD, UPR GECO, 97285, Le Lamentin, Martinique, France
- GECO, CIRAD, University Montpellier, Montpellier, France
| | - Clément Gouraud
- UMR CNRS 6553 Ecobio, Université de Rennes, 263 Avenue du Gal Leclerc, CS 74205, CEDEX, 35042, Rennes, France
| | - Brian Boag
- The James Hutton Institute, Invergowrie, DD2 5DA, Scotland
| | - Archie K Murchie
- Sustainable Agri-Food Sciences Division, Agri-Food and Biosciences Institute, Belfast, BT9 5PX, Northern Ireland
| | - Leigh Winsor
- College of Science and Engineering, James Cook University of North Queensland, Townsville, QLD, Australia
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC, Université des Antilles), Muséum National d'Histoire Naturelle, CP 51, 55 Rue Buffon, 75231, Paris Cedex 05, France
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Woodcock MR, Powers K, Snead K, Pellettieri J. Flatworm Transcriptomes Reveal Widespread Parasitism by Histophagous Ciliates. Genome Biol Evol 2024; 16:evae007. [PMID: 38242711 PMCID: PMC10837001 DOI: 10.1093/gbe/evae007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/21/2024] Open
Abstract
Unicellular ciliates like Tetrahymena are best known as free-living bacteriovores, but many species are facultative or obligate parasites. These "histophages" feed on the tissues of hosts ranging from planarian flatworms to commercially important fish and the larvae of imperiled freshwater mussels. Here, we developed a novel bioinformatics pipeline incorporating the nonstandard ciliate genetic code and used it to search for Ciliophora sequences in 34 publicly available Platyhelminthes EST libraries. From 2,615,036 screened ESTs, we identified nearly 6,000 high-confidence ciliate transcripts, supporting parasitism of seven additional flatworm species. We also cultured and identified Tetrahymena from nine terrestrial and freshwater planarians, including invasive earthworm predators from the genus Bipalium and the widely studied regeneration models Dugesia japonica and Schmidtea mediterranea. A co-phylogenetic reconstruction provides strong evidence for the coevolution of histophagous Ciliophora with their Platyhelminthes hosts. We further report the antiprotozoal aminoglycoside paromomycin expels Tetrahymena from S. mediterranea, providing new opportunities to investigate the effects of this relationship on planarian biology. Together, our findings raise the possibility that invasive flatworms constitute a novel dispersal mechanism for Tetrahymena parasites and position the Platyhelminthes as an ideal model phylum for studying the ecology and evolution of histophagous ciliates.
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Affiliation(s)
- M Ryan Woodcock
- Department of Biology, Keene State College, Keene, NH, USA
- Department of Science, Mathematics and Technology, Medaille University, Buffalo, NY, USA
- Department of Natural Science, Trocaire College, Buffalo, NY, USA
| | - Kaleigh Powers
- Department of Biology, Keene State College, Keene, NH, USA
| | - Kirsten Snead
- Department of Science, Mathematics and Technology, Medaille University, Buffalo, NY, USA
- Ira A. Fulton Schools of Engineering, Arizona State University, Tempe, AZ, USA
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Laznyi E, Boll PK, Pll-Gergely B, Simon J, Szeder KH, Turci G, Katona G. First records of alien land planarians (Platyhelminthes: Geoplanidae) in Hungary. Zootaxa 2024; 5403:592-596. [PMID: 38480414 DOI: 10.11646/zootaxa.5403.5.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Indexed: 03/19/2024]
Affiliation(s)
- Eszter Laznyi
- Soil Zoological Collection Group; Department of Zoology; Hungarian Natural History Museum; Baross u. 13; H-1088 Budapest; Hungary.
| | | | - Barna Pll-Gergely
- Plant Protection Institute; HUN-REN Centre for Agricultural Research; Herman Ott t 15; Budapest; H-1022; Hungary.
| | - Janka Simon
- National Laboratory for Health Security; Plant Protection Institute; HUN-REN Centre for Agricultural Research; Herman Ott t 15; Budapest; H-1022; Hungary.
| | | | - Gnes Turci
- Plant Protection Institute; HUN-REN Centre for Agricultural Research; Herman Ott t 15; Budapest; H-1022; Hungary.
| | - Gergely Katona
- Lepidoptera Collection; Department of Zoology; Hungarian Natural History Museum; Baross u. 13; H-1088 Budapest; Hungary.
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Woodcock MR, Powers K, Snead K, Pellettieri J. FLATWORM TRANSCRIPTOMES REVEAL WIDESPREAD PARASITISM BY HISTOPHAGOUS CILIATES. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.17.558123. [PMID: 37745455 PMCID: PMC10516030 DOI: 10.1101/2023.09.17.558123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Unicellular ciliates like Tetrahymena are best known as free-living bacteriovores, but many species are facultative or obligate parasites. These 'histophages' feed on the tissues of hosts ranging from planarian flatworms to commercially important fish and the larvae of imperiled freshwater mussels. Here, we developed a novel bioinformatics pipeline incorporating the nonstandard ciliate genetic code and used it to search for Ciliophora sequences in 34 publicly available Platyhelminthes EST libraries. From 2,615,036 screened ESTs, we identified nearly 6,000 high-confidence ciliate transcripts, supporting parasitism of seven additional flatworm species. We also cultured and identified Tetrahymena from nine terrestrial and freshwater planarians, including invasive earthworm predators from the genus Bipalium and the widely studied regeneration models Dugesia japonica and Schmidtea mediterranea. A cophylogenetic reconstruction provides strong evidence for coevolution of histophagous Ciliophora with their Platyhelminthes hosts. We further report the antiprotozoal aminoglycoside paromomycin expels Tetrahymena from S. mediterranea, providing new opportunities to investigate the effects of this relationship on planarian biology. Together, our findings raise the possibility that invasive flatworms constitute a novel dispersal mechanism for Tetrahymena parasites and position the Platyhelminthes as an ideal model phylum for studying the ecology and evolution of histophagous ciliates.
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Affiliation(s)
- M. Ryan Woodcock
- Department of Biology, Keene State College, Keene, NH, USA
- Department of Science, Mathematics & Technology, Medaille University, Buffalo, NY, USA
- Department of Natural Science, Trocaire College, Buffalo, NY, USA
| | - Kaleigh Powers
- Department of Biology, Keene State College, Keene, NH, USA
| | - Kirsten Snead
- Department of Science, Mathematics & Technology, Medaille University, Buffalo, NY, USA
- Ira A. Fulton Schools of Engineering, Arizona State University, Tempe, AZ, USA
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Sol E, Sluys R, Riutort M, Kawakatsu M. Molecular phylogenetics facilitates the first historical biogeographic analysis of the hammerhead worms (Platyhelminthes: Tricladida: Bipaliinae), with the description of twelve new species and two new genera. Zootaxa 2023; 5335:1-77. [PMID: 38221113 DOI: 10.11646/zootaxa.5335.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Indexed: 01/16/2024]
Abstract
The hammerhead worms constitute a land planarian subfamily (Platyhelminthes: Tricladida: Bipaliinae) that is popular among natural historians as well as citizen scientists due to their characteristic semi-lunar-shaped head, the striking colours of many species, and the worldwide presence of introduced species, which has raised much concern about their putative impact on the receiving ecosystems. Despite such current awareness, the majority of Bipaliinae species was described before the second half of the 20th century. Over the past few decades, description of new species has been rather scarce. In the present paper, we describe twelve new species and two new genera from Madagascar, Borneo, and Japan, mainly using specimens that form part of the collections of Naturalis Biodiversity Center, Leiden. Species identification has been based on morphology, inner anatomy, and, when available, molecular information. Our molecular phylogenetic tree suggests that either Malagasy or Bornean representatives form the sister-group to the rest of Bipaliinae. The phylogeny suggests also that the Bipaliinae comprises several new and, as yet, undescribed genera. Although the geographical origin of the subfamily is uncertain and may involve either Madagascar or the Bornean region, a molecular time-calibration of the phylogenetic tree indicated that the origin of the Bipaliinae may date back to about 253 Mya, placing its origin near the Permian-Triassic transition and, thus, on Pangea.
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Affiliation(s)
- Eduard Sol
- Departament de Gentica; Facultat de Biologia and Institut de Recerca de la Biodiversitat (IRBio); Universitat de Barcelona; Barcelona; Catalonia; Spain; Present address: Institut de Biologia Evolutiva; CSIC; Universitat Pompeu Fabra; Barcelona; Catalonia; Spain.
| | - Ronald Sluys
- Naturalis Biodiversity Center; P.O. Box 9517; 2300 RA Leiden; The Netherlands.
| | - Marta Riutort
- Departament de Gentica; Facultat de Biologia and Institut de Recerca de la Biodiversitat (IRBio); Universitat de Barcelona; Barcelona; Catalonia; Spain.
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Mori E, Touloupakis E, Viviano A, Mazza G. Opening a gate to shade some light: alien land planarians in the Eastern Mediterranean and Northern Africa. Zootaxa 2023; 5319:295-300. [PMID: 37518229 DOI: 10.11646/zootaxa.5319.2.12] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Indexed: 08/01/2023]
Affiliation(s)
- Emiliano Mori
- National Research Council; Istituto di Ricerca sugli Ecosistemi Terrestri (CNR-IRET); Via Madonna del Piano 10; 50019 Sesto Fiorentino; Florence; Italy; National Biodiversity Future Center; 90133; Palermo; Italy.
| | - Eleftherios Touloupakis
- National Research Council; Istituto di Ricerca sugli Ecosistemi Terrestri (CNR-IRET); Via Madonna del Piano 10; 50019 Sesto Fiorentino; Florence; Italy.
| | - Andrea Viviano
- National Research Council; Istituto di Ricerca sugli Ecosistemi Terrestri (CNR-IRET); Via Madonna del Piano 10; 50019 Sesto Fiorentino; Florence; Italy.
| | - Giuseppe Mazza
- National Biodiversity Future Center; 90133; Palermo; Italy; CREA Research Centre for Plant Protection and Certification (CREA - DC); Via Di Lanciola 12/a; 50125; Cascine del Riccio (Firenze); Italia.
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Luna MDE, Boll PK. An annotated checklist of terrestrial flatworms (Platyhelminthes: Tricladida: Geoplanidae) from Mexico, with new records of invasive species from a citizen science platform and a new nomen dubium. Zootaxa 2023; 5297:518-532. [PMID: 37518781 DOI: 10.11646/zootaxa.5297.4.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Indexed: 08/01/2023]
Abstract
A checklist of species of terrestrial flatworms (Platyhelminthes: Tricladida: Geoplanidae) recorded for Mexico is compiled, listing 11 species. Five are directly referenced in the literature: Bipalium kewense Moseley, 1878, Bipalium vagum Jones & Sterrer, 2005, Diporodemus yucatani Hyman, 1938, Geoplana multipunctata Fuhrmann, 1914, and Pseudogeoplana nigrofusca (Darwin, 1844); and one species had been indirectly mentioned for the country: Parakontikia ventrolineata (Dendy, 1892), which was described from material intercepted in the USA in a shipment of ornamental plants from Mexico. Mexican records from the citizen science platform iNaturalist were reviewed, revealing the presence of five widely distributed invasive species: Caenoplana coerulea Moseley, 1877, recorded in Ciudad de Mexico; Endeavouria septemlineata (Hyman, 1939), recorded in Ciudad de Mexico, Estado de Mexico, Hidalgo, Jalisco, Morelos, and Oaxaca; Dolichoplana carvalhoi Corrêa, 1947, recorded in Jalisco; Dolichoplana striata Moseley, 1877, recorded in Morelos, Nuevo Leon, Quintana Roo, Tamaulipas, and Veracruz; and Rhynchodemus sylvaticus (Leidy, 1851), recorded in Jalisco. The presence of Parakontikia ventrolineata is confirmed for the country, being recorded in Ciudad de Mexico, Estado de Mexico, Hidalgo, Jalisco, Michoacan, Puebla, Queretaro, and Veracruz. The original description of Pseudogeoplana nigrofusca was revisited and compared to subsequent descriptions and keys, noting that the specimens are not conspecific and that the original description is too vague to accurately identify the species, therefore, this taxon is hereby relegated as a nomen dubium. A key for the higher taxa (subfamilies and tribes) of the North American terrestrial flatworms is proposed.
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Affiliation(s)
- Manuel DE Luna
- Universidad Autonoma de Nuevo Leon; Ciudad Universitaria; P.C. 66451; San Nicolas de los Garza; Nuevo Leoon; Mexico.
| | - Piter Kehoma Boll
- Universidade do Vale do Rio dos Sinos; Avenida Unisinos; 950; 93022-750; São Leopoldo; RS; Brazil.
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Soo OYM, Gastineau R, Verdon G, Winsor L, Justine JL. Rediscovery of Bipalium admarginatum de Beauchamp, 1933 (Platyhelminthes, Tricladida, Geoplanidae) in Malaysia, with molecular characterisation including the mitogenome. Zootaxa 2023; 5277:585-599. [PMID: 37518300 DOI: 10.11646/zootaxa.5277.3.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Indexed: 08/01/2023]
Abstract
We present here the first observation of Bipalium admarginatum de Beauchamp, 1933 since its original description 90 years ago. Three specimens were found on Perhentian Kecil Island, off Terengganu State, Malaysia and photographed in the field, and two were collected. This report thus includes the first colour photographs published for this species, from a locality close to the type-locality, Tioman Island (which is ca. 200 km south of the locality in this study, on the east coast of Peninsula Malaysia). We describe the external morphology and colour pattern of the species, which correspond well to the original description, itself based only on two preserved specimens. We performed an in-depth molecular characterisation of the species, including its complete mitochondrial genome, the 18S sequence and elongation 1-alpha (EF1-α) sequence. In addition, EF1-α sequences were also retrieved for 5 additional geoplanid species. No tRNA-Thr could be detected in the mitogenome of B. admarginatum, a lack already reported in several species of geoplanids, but we found a 13 bp sequence that contains the anticodon loop and seems to be conserved among geoplanids and might thus possibly represent a non-canonical undetected tRNA. We discuss the difficulties encountered in trying to reconstruct the cluster of nuclear ribosomal genes, a problem already mentioned for other Triclads. Three phylogenies, based respectively on all mitochondrial proteins, 18S, and EF1-α, were computed; the position of B. admarginatum within the Bipaliinae was confirmed in each tree, as sister-group to various bipaliine species according to the sequences available for each tree. In the mitochondrial proteins tree, which had high support, B. admarginatum was sister to Bipalium kewense and Diversibipalium multilineatum.
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Affiliation(s)
| | - Romain Gastineau
- Institute of Marine and Environmental Sciences; University of Szczecin; Szczecin; Poland.
| | | | - Leigh Winsor
- James Cook University; Townsville; Queensland; Australia..
| | - Jean-Lou Justine
- ISYEB; Institut de Systématique; Évolution; Biodiversité (UMR7205 CNRS; EPHE; MNHN; UPMC; Université des Antilles); Muséum National d'Histoire Naturelle; CP 51; 55 rue Buffon; 75231 Paris Cedex 05; France.
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Gastineau R, Winsor L, Justine JL. The complete mitogenome of the potentially invasive flatworm Australopacificaatrata (Platyhelminthes, Geoplanidae) displays unusual features common to other Rhynchodeminae. Zookeys 2022; 1110:121-133. [PMID: 36761455 PMCID: PMC9848750 DOI: 10.3897/zookeys.1110.83228] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/24/2022] [Indexed: 11/12/2022] Open
Abstract
We sequenced the complete mitochondrial genome of the flatworm Australopacificaatrata. The species, originally described from New South Wales, Australia, has been found in various locations in the British Isles, New Zealand and in the United States of America; it is thus potentially invasive. The genome is 16513 bp long, encodes for 12 protein coding genes, two ribosomal RNA genes and 20 tRNA genes, and is completely colinear with the other two available Rhynchodeminae. In addition, it shares with them some unusual characters discriminating them from members of the other subfamilies of Geoplanidae, the most noticeable being the extra length of its cox2 gene. The data allow a reliable multigene phylogeny to be derived, and also provide a means of accurate biomonitoring of possible invasiveness by A.atrata.
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Affiliation(s)
- Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, PolandUniversity of SzczecinSzczecinPoland
| | - Leigh Winsor
- College of Science and Engineering, James Cook University, Townsville, Queensland, AustraliaJames Cook UniversityCondonAustralia
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC, Université des Antilles), Muséum National d’Histoire Naturelle, CP 51, 55 rue Buffon, 75231 Paris Cedex 05, FranceUniversité des AntillesParisFrance
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Fourcade Y, Winsor L, Justine J. Hammerhead worms everywhere? Modelling the invasion of bipaliin flatworms in a changing climate. DIVERS DISTRIB 2022. [DOI: 10.1111/ddi.13489] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Yoan Fourcade
- Univ Paris Est Creteil Sorbonne Université CNRS IRD INRAE Institut d’écologie et des sciences de l'environnement IEES Créteil France
| | - Leigh Winsor
- College of Science and Engineering James Cook University Townsville Queensland Australia
| | - Jean‐Lou Justine
- ISYEB Institut de Systématique Évolution Biodiversité UMR7205 MNHN CNRS EPHE UPMC Université des Antilles Muséum National d’Histoire Naturelle Paris France
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Justine JL, Gastineau R, Gros P, Gey D, Ruzzier E, Charles L, Winsor L. Hammerhead flatworms (Platyhelminthes, Geoplanidae, Bipaliinae): mitochondrial genomes and description of two new species from France, Italy, and Mayotte. PeerJ 2022; 10:e12725. [PMID: 35178290 PMCID: PMC8815365 DOI: 10.7717/peerj.12725] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 12/10/2021] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND New records of alien land planarians are regularly reported worldwide, and some correspond to undescribed species of unknown geographic origin. The description of new species of land planarians (Geoplanidae) should classically be based on both external morphology and histology of anatomical structures, especially the copulatory organs, ideally with the addition of molecular data. METHODS Here, we describe the morphology and reproductive anatomy of a species previously reported as Diversibipalium "black", and the morphology of a species previously reported as Diversibipalium "blue". Based on next generation sequencing, we obtained the complete mitogenome of five species of Bipaliinae, including these two species. RESULTS The new species Humbertium covidum n. sp. (syn: Diversibipalium "black" of Justine et al., 2018) is formally described on the basis of morphology, histology and mitogenome, and is assigned to Humbertium on the basis of its reproductive anatomy. The type-locality is Casier, Italy, and other localities are in the Department of Pyrénées-Atlantiques, France; some published or unpublished records suggest that this species might also be present in Russia, China, and Japan. The mitogenomic polymorphism of two geographically distinct specimens (Italy vs France) is described; the cox1 gene displayed 2.25% difference. The new species Diversibipalium mayottensis n. sp. (syn: Diversibipalium "blue" of Justine et al., 2018) is formally described on the basis of external morphology and complete mitogenome and is assigned to Diversibipalium on the basis of an absence of information on its reproductive anatomy. The type- and only known locality is the island of Mayotte in the Mozambique Channel off Africa. Phylogenies of bipaliine geoplanids were constructed on the basis of SSU, LSU, mitochondrial proteins and concatenated sequences of cox1, SSU and LSU. In all four phylogenies, D. mayottensis was the sister-group to all the other bipaliines. With the exception of D. multilineatum which could not be circularised, the complete mitogenomes of B. kewense, B. vagum, B. adventitium, H. covidum and D. mayottensis were colinear. The 16S gene in all bipaliine species was problematic because usual tools were unable to locate its exact position. CONCLUSION Next generation sequencing, which can provide complete mitochondrial genomes as well as traditionally used genes such as SSU, LSU and cox1, is a powerful tool for delineating and describing species of Bipaliinae when the reproductive structure cannot be studied, which is sometimes the case of asexually reproducing invasive species. The unexpected position of the new species D. mayottensis as sister-group to all other Bipaliinae in all phylogenetic analyses suggests that the species could belong to a new genus, yet to be described.
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Affiliation(s)
- Jean-Lou Justine
- ISYEB-Institut de Systématique, Évolution, Biodiversité, Muséum National d’Histoire Naturelle, Paris, France
| | - Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, Poland
| | - Pierre Gros
- Amateur Naturalist, Unaffiliated, Cagnes-sur-Mer, France
| | - Delphine Gey
- Molécules de Communication et Adaptation des Micro-Organismes, Muséum National d’Histoire Naturelle, Paris, France
| | - Enrico Ruzzier
- Department of Agronomy, Food, Natural Resources, Animals and the Environment (DAFNAE), Padova, Italy
| | | | - Leigh Winsor
- James Cook University, Townsville, Queensland, Australia
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Quick Spreading of Populations of an Exotic Firefly throughout Spain and Their Recent Arrival in the French Pyrenees. INSECTS 2022; 13:insects13020148. [PMID: 35206722 PMCID: PMC8880130 DOI: 10.3390/insects13020148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 12/03/2022]
Abstract
Simple Summary Here, we describe the spreading of a South American firefly in Europe that established itself in northeastern Spain, probably in 2016. The population is expanding quickly (by about 10 km per year) and arrived in 2020 in France. The observations were collected through three citizen science platforms, the Spanish Gusanosdeluz, the Catalan Grup Cucadellum and the French “Observatoire des Vers Luisants et des Lucioles”. This underlines the importance of this type of approach involving the general public for academic research and in following this potentially invasive species. In 2018, the species was described as new to science, but we discovered that it was already designated as Photinus signaticollis by Emile Blanchard in 1846 and originated from Uruguay and Argentina. Evidence is provided for the identity between Spanish and Argentinian specimens via aedeagus analysis and by culturing an Argentinian (and French) larva to adulthood. Therefore, we propose that the original 1846 name is reattributed. Some of the animal’s biology is described (phenology in Spain/France and Argentina, land use, etc.) and we show the earthworm-eating larvae and the pupal stage. The potentially large consequences of having a foreign firefly species that is theoretically invasive, and that eats earthworms, in a European setting, are discussed. Abstract In August 2018, a firefly (Coleoptera: Lampyridae) of American origin was observed in several localities in Girona (Catalonia, Spain) and was described as Photinus immigrans by Zaragoza-Caballero and Vinolas, 2018. Here, we show that this species dispersed very quickly throughout northeastern Spain and was, in 2020, observed in the French Pyrenees. The animal’s quick progress is documented, and part of its biology is described (dispersion speed, land use, phenology, identification of all life stages). An additional population was localized in Extremadura, and its special status is discussed. We were able to determine its Argentinian–Uruguayan origin and propose, therefore, to consider Photinus immigrans as a synonym of Photinus signaticollis (Blanchard, 1846) (=Photinus immigrans Zaragoza-Caballero and Viñolas, 2018, syn. nov.). Our data clearly show that at least the Catalan and French populations are spreading very quickly and are able to settle permanently if adequate ecosystems are found. The species is highly expansive and may well be invasive; our citizen science platforms are ideally suited to monitor their progress throughout Spain and France. This is important for avoiding future ecological problems with diverse native faunas, such as glow-worms, fireflies and earthworms. If no ways are found to stop the species’ progression, the animals will quite probably invade substantial areas of France, Spain and the rest of Europe in the years to come.
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Mori E, Magoga G, Panella M, Montagna M, Winsor L, Justine JL, Menchetti M, Schifani E, Melone B, Mazza G. Discovering the Pandora’s box: the invasion of alien flatworms in Italy. Biol Invasions 2021. [DOI: 10.1007/s10530-021-02638-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Gastineau R, Justine JL. Complete mitogenome of the invasive land flatworm Parakontikia ventrolineata, the second Geoplanidae (Platyhelminthes) to display an unusually long cox2 gene. Mitochondrial DNA B Resour 2020; 5:2115-2116. [PMID: 33366939 PMCID: PMC7510624 DOI: 10.1080/23802359.2020.1765709] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 04/26/2020] [Indexed: 11/17/2022] Open
Abstract
We sequenced the complete mitogenome of the invasive flatworm Parakontikia ventrolineata (Platyhelminthes, order Tricladida, family Geoplanidae). The genome is 17,210 bp long, and displays common unusual characteristics shared with Platydemus manokwari, such as its colinearity, an overlap between ND4L and ND4 genes and an unusually long cox2 genes. Both Parakontikia and Platydemus are members of the subfamily Rhynchodeminae and their close relationships are supported by the maximum likelihood phylogeny inferred from the protein-coding genes.
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Affiliation(s)
- Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, Poland
| | - Jean-Lou Justine
- Institut Systématique Évolution Biodiversité (ISYEB), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, Paris, France
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Justine JL, Gey D, Thévenot J, Gastineau R, Jones HD. The land flatworm Amaga expatria (Geoplanidae) in Guadeloupe and Martinique: new reports and molecular characterization including complete mitogenome. PeerJ 2020; 8:e10098. [PMID: 33240595 PMCID: PMC7659627 DOI: 10.7717/peerj.10098] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/14/2020] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND The land flatworm Amaga expatria Jones & Sterrer, 2005 (Geoplanidae) was described from two specimens collected in Bermuda in 1963 and 1988 and not recorded since. METHODS On the basis of a citizen science project, we received observations in the field, photographs and specimens from non-professionals and local scientists in Martinique and Guadeloupe. We barcoded (COI) specimens from both islands and studied the histology of the reproductive organs of one specimen. Based on Next Generation Sequencing, we obtained the complete mitogenome of A. expatria and some information on its prey from contaminating DNA. RESULTS We add records from 2006 to 2019 in two French islands of the Caribbean arc, Guadeloupe (six records) and Martinique (14 records), based on photographs obtained from citizen science and specimens examined. A specimen from Martinique was studied for histology of the copulatory organs and barcoded for the COI gene; its anatomy was similar to the holotype, therefore confirming species identification. The COI gene was identical for several specimens from Martinique and Guadeloupe and differed from the closest species by more than 10%; molecular characterisation of the species is thus possible by standard molecular barcoding techniques. The mitogenome is 14,962 bp in length and contains 12 protein coding genes, two rRNA genes and 22 tRNA genes; for two protein genes it was not possible to determine the start codon. The mitogenome was compared with the few available mitogenomes from geoplanids and the most similar was Obama nungara, a species from South America. An analysis of contaminating DNA in the digestive system suggests that A. expatria preys on terrestrial molluscs, and citizen science observations in the field suggest that prey include molluscs and earthworms; the species thus could be a threat to biodiversity of soil animals in the Caribbean.
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Affiliation(s)
- Jean-Lou Justine
- ISYEB - Institut de Systématique, Évolution, Biodiversité, Muséum National d’Histoire Naturelle, Paris, France
| | - Delphine Gey
- Molécules de Communication et Adaptation des Micro-Organismes, Muséum national d’Histoire naturelle, Paris, France
| | | | - Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, Poland
| | - Hugh D. Jones
- Life Sciences Department, Natural History Museum, London, UK
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Negrete L, Lenguas Francavilla M, Damborenea C, Brusa F. Trying to take over the world: Potential distribution of Obama nungara (Platyhelminthes: Geoplanidae), the Neotropical land planarian that has reached Europe. GLOBAL CHANGE BIOLOGY 2020; 26:4907-4918. [PMID: 32510686 DOI: 10.1111/gcb.15208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/16/2020] [Indexed: 06/11/2023]
Abstract
Obama nungara Carbayo, Álvarez-Presas, Jones, & Riutort, 2016 is a land planarian (Platyhelminthes: Geoplanidae) native to southern South America, which has recently dispersed towards several countries of the European continent, thus becoming a threat to the native soil fauna. Its dispersion would be favoured by its wide food habit and its tendency to live linked to humans, being the plant trade its most plausible vector of dispersion. Here, we explored the potential distribution of O. nungara on a global scale by using the MaxEnt software. We used 144 records (encompassing 10 countries) from sampling campaigns, citizen science, recent literature, and material deposited in scientific collections. Our results showed that southern South America has favourable climatic conditions for O. nungara. MaxEnt also allowed predicting expansions to countries of Europe where this planarian is already established and to others not yet colonized, as well as to Asia (southern coast of the Caspian Sea, Taiwan, and south-east of mainland China) and Oceania (south-east of Australia and New Zealand). The potential distribution of O. nungara was mainly outlined by climatic factors related to temperature (annual mean temperature, mean temperature of the coldest quarter, and annual temperature range). Thus, under a global warming scenario, a significant expansion of O. nungara relative to the current prediction is expected. This information may be useful to design strategies to prevent new introductions, since the dissemination of this planarian seems to be strongly man-linked.
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Affiliation(s)
- Lisandro Negrete
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
- CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas, La Plata, Buenos Aires, Argentina
| | - Marina Lenguas Francavilla
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
- CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas, La Plata, Buenos Aires, Argentina
| | - Cristina Damborenea
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
- CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas, La Plata, Buenos Aires, Argentina
| | - Francisco Brusa
- División Zoología Invertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
- CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas, La Plata, Buenos Aires, Argentina
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Meyer-Rochow VB, Miinalainen I. Squid sucker teeth and cocoons of a terrestrial flatworm: amino acid content of two nano-structurally identical tissues in phylogenetically unrelated taxa. ZOOLOGY 2020; 140:125798. [PMID: 32353699 DOI: 10.1016/j.zool.2020.125798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 11/29/2022]
Abstract
An extraordinary micro-structural similarity between squid sucker teeth and the egg shell of a terrestrial planarian worm has been reported, but to date only the amino acid content of the squid sucker tooth has been available. This prompted us to analyse the amino acid content of the planarian egg shell. Although both share an absence of detectable chitin and metal ions and both possess relatively high amounts of the amino acids GLY and HIS, the planarian egg shell is considerably richer in GLU, LYS and ASP. Most dramatic was the difference in TYR, which was the second most abundant amino acid in the squid, but hardly featured at all in the planarian egg shell. In the light of these new findings the different functional roles that the structures in question play in the lives of the two taxa are discussed. An EDS-analysis revealed clear C, N, and O peaks and additional very small peaks less than 0.1w% suggesting the presence of one or both S and Cl.
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Affiliation(s)
- Victor Benno Meyer-Rochow
- Department of Plant Medicals, Andong National University, Andong, GB, 36729, Republic of Korea; Department of Ecology and Genetics, University of Oulu, P.O Box 3000, SF-90140, Oulu, Finland.
| | - Ilkka Miinalainen
- Biocenter Microscopy Service, University of Oulu, Aapistie 5, SF- 90220, Oulu, Finland
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Gastineau R, Lemieux C, Turmel M, Justine JL. Complete mitogenome of the invasive land flatworm Platydemus manokwari. MITOCHONDRIAL DNA PART B 2020. [DOI: 10.1080/23802359.2020.1748532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Romain Gastineau
- Institute of Marine and Environmental Sciences, University of Szczecin, Szczecin, Poland
| | - Claude Lemieux
- Département de biochimie, de microbiologie et de bio-informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec City, Canada
| | - Monique Turmel
- Département de biochimie, de microbiologie et de bio-informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec City, Canada
| | - Jean-Lou Justine
- Institut Systématique Évolution Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, CNRS, Sorbonne Université, Paris, France
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Justine JL, Winsor L, Gey D, Gros P, Thévenot J. Obama chez moi! The invasion of metropolitan France by the land planarian Obama nungara (Platyhelminthes, Geoplanidae). PeerJ 2020; 8:e8385. [PMID: 32071801 PMCID: PMC7007977 DOI: 10.7717/peerj.8385] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 12/11/2019] [Indexed: 11/20/2022] Open
Abstract
Background Obama nungara is a species of land flatworm originating from South America; the species was recently described and distinguished from a similar species, Obama marmorata. Obama nungara has invaded several countries of Europe, but the extent of the invasion has not been thoroughly mapped. Methods In this article, based on a five and a half-year survey undertaken by citizen science, which yielded 530 records from 2013 to 2018, we analysed information about the invasion of Metropolitan France by O. nungara. We also investigated the variability of newly obtained cytochrome c oxidase 1 (COI) sequences of specimens from France, Italy and Switzerland. Results Obama nungara was recorded from 72 of the 96 Departments of Metropolitan France. The species is especially abundant along the Atlantic coast, from the Spanish border to Brittany, and along the Mediterranean coast, from the Spanish border to the Italian border. More than half of the records were from an altitude below 50 m, and no record was from above 500 m; mountainous regions such as the Alps, Pyrenees and Massif Central are not invaded. Local abundance can be impressive, with 100 of specimens found in a small garden. An analysis of our new COI sequences, combined with published sequences of specimens from several countries, confirmed that three clades comprise the species. The first clade, ‘Brazil’, is currently confined to this country in South America; the second clade, ‘Argentina 2’, was found in Argentina and in Europe, only in Spain; and the third, ‘Argentina 1’, was found in Argentina and in Europe, in Spain, Portugal, France, UK, Italy, Belgium, and Switzerland. This suggests that two clades of O. nungara from Argentina have invaded Europe, with one widely spread. Discussion The present findings strongly suggest that O. nungara is a highly invasive species and that the population which has invaded several countries in Europe comes from Argentina. The wide dispersion of the species and its reported local abundance, combined with the predatory character of the species, make O. nungara a potential threat to the biodiversity and ecology of the native soil fauna in Europe, and probably the most threatening species of all invasive land planarians present in Europe.
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Affiliation(s)
- Jean-Lou Justine
- ISYEB, Institut de Systématique Évolution Biodiversité, UMR7205 CNRS, EPHE, MNHN, UPMC, Université des Antilles, Muséum National d'Histoire Naturelle, Paris, France
| | - Leigh Winsor
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia
| | - Delphine Gey
- Service de Systématique Moléculaire, Museum National d'Histoire Naturelle, Paris, France
| | | | - Jessica Thévenot
- UMS Patrinat (CNRS-AFB-MNHN), Muséum National d'Histoire Naturelle, Paris, France
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Sluys R. The evolutionary terrestrialization of planarian flatworms (Platyhelminthes, Tricladida, Geoplanidae): a review and research programme. ZOOSYST EVOL 2019. [DOI: 10.3897/zse.95.38727] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The terrestrialization of animal life from aquatic ancestors is a key transition during the history of life. Planarian flatworms form an ideal group of model organisms to study this colonization of the land because they have freshwater, marine, and terrestrial representatives. The widespread occurrence of terrestrial flatworms is a testament to their remarkable success occupying a new niche on land. This lineage of terrestrial worms provides a unique glimpse of an evolutionary pathway by which a group of early divergent aquatic, invertebrate metazoans has moved onto land. Land flatworms are among the first groups of animals to have evolved terrestrial adaptations and to have extensively radiated. Study of this terrestrialization process and the anatomical key innovations facilitating their colonization of the land will contribute greatly to our understanding of this important step in Metazoan history. The context and scientific background are reviewed regarding the evolutionary terrestrialization of land flatworms. Furthermore, a framework of a research programme is sketched, which has as its main objective to test hypotheses on the evolution of land planarians, specifically whether particular anatomical and physiological key innovations have contributed to their evolutionary successful terrestrial colonization and radiation. In this context special attention is paid to the respiration in aquatic and terrestrial planarians. The research programme depends on a comprehensive phylogenetic analysis of all major taxa of the land flatworms on the basis of both molecular and anatomical data. The data sets should be analyzed phylogenetically with a suite of phylogenetic inference methods. Building on such robust reconstructions, it will be possible to study associations between key innovations and the evolutionary terrestrialization process.
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Towards the resolution of the Microcotyle erythrini species complex: description of Microcotyle isyebi n. sp. (Monogenea, Microcotylidae) from Boops boops (Teleostei, Sparidae) off the Algerian coast. Parasitol Res 2019; 118:1417-1428. [PMID: 30915549 DOI: 10.1007/s00436-019-06293-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 03/14/2019] [Indexed: 10/27/2022]
Abstract
The monogenean Microcotyle erythrini is atypical because it has been recorded from several fish host species in the Mediterranean Sea and Atlantic Ocean, in contrast to many species which are considered strictly specific. This could indicate a true lack of specificity or that several cryptic species are involved. This paper is a partial attempt to solve this problem. Specimens of a monogenean resembling M. erythrini were collected from bogues, Boops boops, caught off Algeria. A comparison with published descriptions and with museum specimens of M. erythrini did not yield any clear morphological difference. However, sequences of cytochrome c oxidase subunit I (COI) differed by 16.3% from that of M. erythrini (from GenBank, material collected from the type-host Pagellus erythrinus), indicating that the species was different. The species from B. boops is therefore described here as Microcotyle isyebi n. sp. and differential diagnoses with Microcotyle species from the Mediterranean and from sparids are provided. These results suggest that a molecular re-evaluation of other M. erythrini-like specimens from various fish hosts could reveal the existence of additional parasite biodiversity.
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Abreo NAS, Thompson KF, Arabejo GFP, Superio MDA. Social media as a novel source of data on the impact of marine litter on megafauna: The Philippines as a case study. MARINE POLLUTION BULLETIN 2019; 140:51-59. [PMID: 30803673 DOI: 10.1016/j.marpolbul.2019.01.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 06/09/2023]
Abstract
Marine litter is a global threat to marine biodiversity. However, there is a key knowledge gap on the impacts of marine litter in the Philippines - a country of high marine biodiversity and large exclusive economic zone. This gap is addressed here by using information shared on the internet by citizen scientists and conservation groups to assess the impacts of marine litter on megafauna. Facebook, presently the largest social media platform, was scanned for posts concerning the interaction between litter and marine species in the Philippines. Results showed thirty-two individuals from 17 species were affected by marine litter in the country. Furthermore, ingestion (61%) was the most frequent interaction reported. Mindanao was also identified as a hotspot for marine litter interactions. The study highlights the utility of social media in providing data to create an inventory of marine species adversely affected by litter and the spatial distribution of these interactions.
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Affiliation(s)
- Neil Angelo S Abreo
- Senior High School Department, Malayan Colleges Mindanao, Davao City, Philippines; Regional Integrated Coastal Resource Management Center (RIC-XI), Davao Oriental State College of Science and Technology, Mati City, Davao Oriental, Philippines; Institute of Aquatic and Applied Sciences, Davao del Norte State College, Panabo City, Philippines.
| | - Kirsten F Thompson
- College of Life and Environmental Sciences, University of Exeter, United Kingdom
| | - Glio Florgiley P Arabejo
- Regional Integrated Coastal Resource Management Center (RIC-XI), Davao Oriental State College of Science and Technology, Mati City, Davao Oriental, Philippines
| | - Michael Dann A Superio
- Graduate School, Department of Natural Sciences, College of Arts and Sciences, University of Southeastern Philippines, Davao City, Philippines
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Gastineau R, Justine JL, Lemieux C, Turmel M, Witkowski A. Complete mitogenome of the giant invasive hammerhead flatworm Bipalium kewense. MITOCHONDRIAL DNA PART B 2019. [DOI: 10.1080/23802359.2019.1596768] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Romain Gastineau
- Palaeoceanology Unit, Faculty of Geosciences, and Natural Sciences Research and Educational Centre, University of Szczecin, Szczecin, Poland
| | - Jean-Lou Justine
- Institut Systématique Évolution Biodiversité (ISYEB) Muséum National d’Histoire Naturelle, CNRS, Sorbonne Université, EPHE, Paris, France
| | - Claude Lemieux
- Département de biochimie, de microbiologie et de bio-informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada
| | - Monique Turmel
- Département de biochimie, de microbiologie et de bio-informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada
| | - Andrzej Witkowski
- Palaeoceanology Unit, Faculty of Geosciences, and Natural Sciences Research and Educational Centre, University of Szczecin, Szczecin, Poland
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Reconstructing routes of invasion of Obama nungara (Platyhelminthes: Tricladida) in the Iberian Peninsula. Biol Invasions 2018. [DOI: 10.1007/s10530-018-1834-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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