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Ceríaco LMP, Marques MP, de Sousa ACA, Veríssimo J, Beja P, Ferreira S. Illustrated keys and a DNA barcode reference library of the amphibians and terrestrial reptiles (Amphibia, Reptilia) of São Tomé and Príncipe (Gulf of Guinea, West Africa). Zookeys 2023; 1168:41-75. [PMID: 37415718 PMCID: PMC10320720 DOI: 10.3897/zookeys.1168.101334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/18/2023] [Indexed: 07/08/2023] Open
Abstract
The herpetofauna of São Tomé and Príncipe consists of nine species of amphibians, all endemic, and 21 species of terrestrial reptiles, of which 17 are endemic. Our current knowledge regarding its natural history, ecology, and distribution is limited. Here two important tools are provided to support researchers, conservationists, and local authorities in the identification of the country's herpetofauna: an illustrated key to the herpetofauna of the two islands and surroundings islets and a DNA barcode reference library. The keys allow a rapid and unambiguous morphological identification of all occurring species. The DNA barcodes for the entire herpetofauna of the country were produced from 79 specimens, all of which are deposited in museum collections. The barcodes generated are available in online repositories and can be used to provide unambiguous molecular identification of most of the species. Future applications and use of these tools are briefly discussed.
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Affiliation(s)
- Luis Miguel Pires Ceríaco
- Departamento de Zoologia e Antropologia (Museu Bocage), Museu Nacional de História Natural e da Ciência & Instituto de Investigação Científica Tropical (IICT), Universidade de Lisboa, Rua da Escola Politécnica, 58, 1269-102 Lisboa, Portugal
- Universidade Federal do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados, Av. Bartolomeu de Gusmão 875, São Cristóvão, 20941-160 Rio de Janeiro, Brasil
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
| | - Mariana Pimentel Marques
- Departamento de Zoologia e Antropologia (Museu Bocage), Museu Nacional de História Natural e da Ciência & Instituto de Investigação Científica Tropical (IICT), Universidade de Lisboa, Rua da Escola Politécnica, 58, 1269-102 Lisboa, Portugal
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 1021, 4169-007 Porto, Portugal
| | | | - Joana Veríssimo
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre 1021, 4169-007 Porto, Portugal
| | - Pedro Beja
- Departamento de Zoologia e Antropologia (Museu Bocage), Museu Nacional de História Natural e da Ciência & Instituto de Investigação Científica Tropical (IICT), Universidade de Lisboa, Rua da Escola Politécnica, 58, 1269-102 Lisboa, Portugal
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
| | - Sónia Ferreira
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal
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Alter SE, Arroyave J. Environmental DNA metabarcoding is a promising method for assaying fish diversity in cenotes of the Yucatán Peninsula, Mexico. METABARCODING AND METAGENOMICS 2022. [DOI: 10.3897/mbmg.6.89857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The karst aquifer of the Yucatán Peninsula (YP) in southeastern Mexico is a unique ecosystem in which water-filled sinkholes, locally known as cenotes, connect subterranean waters with the surface. This system is home to around 20 species of freshwater fishes, including several that are endemic and/or threatened. Studies on this unique ichthyofauna have been partially hampered by the technical difficulties associated with sampling these habitats, particularly submerged caves. In this proof-of-concept study, we use environmental DNA (eDNA) metabarcoding to survey the diversity of freshwater fishes associated with the YP karst aquifer by sampling six cenotes from across the Ring of Cenotes region in northwestern Yucatán, a 180-km-diameter semicircular band of abundant karst sinkholes. Through a combination of conventional sampling (direct observation, fishing) and eDNA metabarcoding, we detected eight species of freshwater fishes across the six sampled cenotes. Overall, our eDNA metabarcoding approach was effective at detecting the presence of fishes from cenote water samples, including one of the two endemic cave-dwelling fish species restricted to the subterranean section of the aquifer. Although our study was focused on detecting fishes via eDNA, we also recovered DNA from several other vertebrate groups, particularly bats. These results suggest that the eDNA metabarcoding approach represents a promising and largely noninvasive method to assay aquatic biodiversity in these vulnerable habitats, allowing more effective, frequent, and wide-ranging surveys. Our detection of DNA from aerial and terrestrial vertebrate fauna implies that eDNA from cenotes, besides being a means to survey aquatic fauna, may also offer an effective way to quickly survey non-aquatic biodiversity associated with these persistent water bodies.
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Saito T. Monitoring and databasing nonnative species to manage establishment debt in aquatic ecosystems. Ecol Res 2022. [DOI: 10.1111/1440-1703.12295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takumi Saito
- Department of Biology, Faculty of Science Toho University Funabashi Chiba Japan
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Shi H, Holbrook CM, Cao Y, Sepúlveda N, Tan X. Measurement of suction pressure dynamics of sea lampreys, Petromyzon marinus. PLoS One 2021; 16:e0247884. [PMID: 33905407 PMCID: PMC8078809 DOI: 10.1371/journal.pone.0247884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 02/15/2021] [Indexed: 11/19/2022] Open
Abstract
Species-specific monitoring activities represent fundamental tools for natural resource management and conservation but require techniques that target species-specific traits or markers. Sea lamprey, a destructive invasive species in the Laurentian Great Lakes and conservation target in North America and Europe, is among very few fishes that possess and use oral suction, yet suction has not been exploited for sea lamprey control or conservation. Knowledge of specific characteristics of sea lamprey suction (e.g., amplitude, duration, and pattern of suction events; hereafter 'suction dynamics') may be useful to develop devices that detect, record, and respond to the presence of sea lamprey at a given place and time. Previous observations were limited to adult sea lampreys in static water. In this study, pressure sensing panels were constructed and used to measure oral suction pressures and describe suction dynamics of juvenile and adult sea lampreys at multiple locations within the mouth and in static and flowing water. Suction dynamics were largely consistent with previous descriptions, but more variation was observed. For adult sea lampreys, suction pressures ranged from -0.6 kPa to -26 kPa with 20 s to 200 s between pumps at rest, and increased to -8 kPa to -70 kPa when lampreys were manually disengaged. An array of sensors indicated that suction pressure distribution was largely uniform across the mouths of both juvenile and adult lampreys; but some apparent variation was attributed to obstruction of sensing portal holes by teeth. Suction pressure did not differ between static and flowing water when water velocity was lower than 0.45 m/s. Such information may inform design of new systems to monitor behavior, distribution and abundance of lampreys.
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Affiliation(s)
- Hongyang Shi
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan, United States of America
| | - Christopher M. Holbrook
- U. S. Geological Survey, Great Lakes Science Center, Hammond Bay Biological Station, Millersburg, Michigan, United States of America
| | - Yunqi Cao
- College of Control Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, China
| | - Nelson Sepúlveda
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan, United States of America
| | - Xiaobo Tan
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan, United States of America
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Fagre AC, Lewis J, Miller MR, Mossel EC, Lutwama JJ, Nyakarahuka L, Nakayiki T, Kityo R, Nalikka B, Towner JS, Amman BR, Sealy TK, Foy B, Schountz T, Anderson J, Kading RC. Subgenomic flavivirus RNA (sfRNA) associated with Asian lineage Zika virus identified in three species of Ugandan bats (family Pteropodidae). Sci Rep 2021; 11:8370. [PMID: 33863991 PMCID: PMC8052318 DOI: 10.1038/s41598-021-87816-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/05/2021] [Indexed: 11/09/2022] Open
Abstract
Serological cross-reactivity among flaviviruses makes determining the prior arbovirus exposure of animals challenging in areas where multiple flavivirus strains are circulating. We hypothesized that prior infection with ZIKV could be confirmed through the presence of subgenomic flavivirus RNA (sfRNA) of the 3' untranslated region (UTR), which persists in tissues due to XRN-1 stalling during RNA decay. We amplified ZIKV sfRNA but not NS5 from three experimentally-infected Jamaican fruit bats, supporting the hypothesis of sfRNA tissue persistence. Applying this approach to 198 field samples from Uganda, we confirmed presence of ZIKV sfRNA, but not NS5, in four bats representing three species: Eidolon helvum (n = 2), Epomophorus labiatus (n = 1), and Rousettus aegyptiacus (n = 1). Amplified sequence was most closely related to Asian lineage ZIKV. Our results support the use of sfRNA as a means of identifying previous flavivirus infection and describe the first detection of ZIKV RNA in East African bats.
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Affiliation(s)
- Anna C Fagre
- Colorado State University, Fort Collins, CO, USA
| | | | | | - Eric C Mossel
- Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | | | | | | | | | | | | | - Brian R Amman
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Tara K Sealy
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Brian Foy
- Colorado State University, Fort Collins, CO, USA
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Jerde CL. Can we manage fisheries with the inherent uncertainty from eDNA? JOURNAL OF FISH BIOLOGY 2021; 98:341-353. [PMID: 31769024 DOI: 10.1111/jfb.14218] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 11/25/2019] [Indexed: 06/10/2023]
Abstract
Environmental (e)DNA, as a general approach in aquatic systems, seeks to connect the presence of species' genetic material in the water and hence to infer the species' physical presence. However, fisheries managers face making decisions with risk and uncertainty when eDNA indicates a fish is present but traditional methods fail to capture the fish. In comparison with traditional methods such as nets, electrofishing and piscicides, eDNA approaches have more sources of underlying error that could give rise to false positives. This has resulted in some managers to question whether eDNA can be used to make management decisions because there is no fish in hand. As a relatively new approach, the methods and techniques have quickly evolved to improve confidence in eDNA. By evaluating an eDNA based research programmes through the pattern of the eDNA signal, assay design, experimental design, quality assurance and quality control checks, data analyses and concurrent search for fish using traditional gears, the evidence for fish presence can be evaluated to build confidence in the eDNA approach. The benefits for fisheries management from adopting an eDNA approach are numerous but include cost effectiveness, broader geographic coverage of habitat occupancy, early detection of invasive species, non-lethal stock assessments, exploration of previously inaccessible aquatic environments and discovery of new species hidden beneath the water's surface. At a time when global freshwater and marine fisheries are facing growing threats from over-harvest, pollution and climate change, we anticipate that growing confidence in eDNA will overcome the inherent uncertainty of not having a fish in hand and will empower the informed management actions necessary to protect and restore our fisheries.
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Affiliation(s)
- Christopher L Jerde
- Marine Science Institute, University of California, Santa Barbara, California, USA
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Dufresnes C, Déjean T, Zumbach S, Schmidt BR, Fumagalli L, Ramseier P, Dubey S. Early detection and spatial monitoring of an emerging biological invasion by population genetics and environmental DNA metabarcoding. CONSERVATION SCIENCE AND PRACTICE 2019. [DOI: 10.1111/csp2.86] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Christophe Dufresnes
- Hintermann & Weber SA Montreux Switzerland
- Laboratory for Conservation Biology, Department of Ecology and EvolutionUniversity of Lausanne Lausanne Switzerland
| | | | | | - Benedikt R. Schmidt
- Info fauna—karch, UNiMail Neuchâtel Switzerland
- Institut für Evolutionsbiologie und UmweltwissenschaftenUniversität Zürich Zürich Switzerland
| | - Luca Fumagalli
- Laboratory for Conservation Biology, Department of Ecology and EvolutionUniversity of Lausanne Lausanne Switzerland
| | | | - Sylvain Dubey
- Hintermann & Weber SA Montreux Switzerland
- Laboratory for Conservation Biology, Department of Ecology and EvolutionUniversity of Lausanne Lausanne Switzerland
- Agrosustain SA Nyon Switzerland
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Martyniuk CJ. Are we closer to the vision? A proposed framework for incorporating omics into environmental assessments. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 59:87-93. [PMID: 29549817 DOI: 10.1016/j.etap.2018.03.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 03/04/2018] [Indexed: 06/08/2023]
Abstract
Environmental science has benefited a great deal from omics-based technologies. High-throughput toxicology has defined adverse outcome pathways (AOPs), prioritized chemicals of concern, and identified novel actions of environmental chemicals. While many of these approaches are conducted under rigorous laboratory conditions, a significant challenge has been the interpretation of omics data in "real-world" exposure scenarios. Clarity in the interpretation of these data limits their use in environmental monitoring programs. In recent years, one overarching objective of many has been to address fundamental questions concerning experimental design and the robustness of data collected under the broad umbrella of environmental genomics. These questions include: (1) the likelihood that molecular profiles return to a predefined baseline level following remediation efforts, (2) how reference site selection in an urban environment influences interpretation of omics data and (3) what is the most appropriate species to monitor in the environment from an omics point of view. In addition, inter-genomics studies have been conducted to assess transcriptome reproducibility in toxicology studies. One lesson learned from inter-genomics studies is that there are core molecular networks that can be identified by multiple laboratories using the same platform. This supports the idea that "omics-networks" defined a priori may be a viable approach moving forward for evaluating environmental impacts over time. Both spatial and temporal variability in ecosystem structure is expected to influence molecular responses to environmental stressors, and it is important to recognize how these variables, as well as individual factor (i.e. sex, age, maturation), may confound interpretation of network responses to chemicals. This mini-review synthesizes the progress made towards adopting these tools into environmental monitoring and identifies future challenges to be addressed, as we move into the next era of high throughput sequencing. A conceptual framework for validating and incorporating molecular networks into environmental monitoring programs is proposed. As AOPs become more defined and their potential in environmental monitoring assessments becomes more recognized, the AOP framework may prove to be the conduit between omics and penultimate ecological responses for environmental risk assessments.
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Affiliation(s)
- Christopher J Martyniuk
- Canadian Rivers Institute and the Center for Environmental and Human Toxicology, Department of Physiological Sciences, UF Genetics Institute, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611 USA.
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Brozio S, Manson C, Gourevitch E, Burns TJ, Greener MS, Downie JR, Hoskisson PA. Development and Application of an eDNA Method to Detect the Critically Endangered Trinidad Golden Tree Frog (Phytotriades auratus) in Bromeliad Phytotelmata. PLoS One 2017; 12:e0170619. [PMID: 28199338 PMCID: PMC5310848 DOI: 10.1371/journal.pone.0170619] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 01/07/2017] [Indexed: 12/04/2022] Open
Abstract
The use of environmental DNA (eDNA) to monitor rare and elusive species has great potential for conservation biology. Traditional surveying methods can be time-consuming, labour-intensive, subject to error or can be invasive and potentially damaging to habitat. The Trinidad golden treefrog (Phytotriades auratus) is one such species that would benefit from such an approach. This species inhabits the giant bromeliad (Glomeropitcairnia erectiflora) on two peaks on the Caribbean island of Trinidad. Traditional survey methods for this species have required the destruction of the giant bromeliad, which is the only known habitat of this frog. Here we described the development of an eDNA PCR-based assay that uses water drawn from the water-filled phytotelmata of the giant bromeliad along with the use of a synthetic DNA positive control that can be easily amplified in the bacterium Escherichia coli. The assay can detect to a DNA concentration of 1.4ng. Sampling of 142 bromeliads using this method revealed 9% were positive for P. auratus DNA. These data suggest that eDNA methods also have great potential for revealing the presence of elusive species in arboreal habitats.
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Affiliation(s)
- Sarah Brozio
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Chloe Manson
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Eleanor Gourevitch
- School of Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow, United Kingdom
| | - Thomas J. Burns
- School of Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow, United Kingdom
| | - Mark S. Greener
- School of Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow, United Kingdom
| | - J. Roger Downie
- School of Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow, United Kingdom
| | - Paul A. Hoskisson
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
- * E-mail:
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