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Stewart ECD, Bribiesca‐Contreras G, Taboada S, Wiklund H, Ravara A, Pape E, De Smet B, Neal L, Cunha MR, Jones DOB, Smith CR, Glover AG, Dahlgren TG. Biodiversity, biogeography, and connectivity of polychaetes in the world's largest marine minerals exploration frontier. DIVERS DISTRIB 2023. [DOI: 10.1111/ddi.13690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
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Teixeira MAL, Langeneck J, Vieira PE, Hernández JC, Sampieri BR, Kasapidis P, Mucciolo S, Bakken T, Ravara A, Nygren A, Costa FO. Reappraisal of the hyperdiverse. INVERTEBR SYST 2022. [DOI: 10.1071/is21084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Morphologically similar species are often overlooked but molecular techniques have been effective in signalling potential hidden diversity, boosting the documentation of unique evolutionary lineages and ecological diversity. Platynereis dumerilii and Platynereis massiliensis are part of a recognised species complex, where differences in the reproductive biology have mainly been highlighted to date. Analyses of DNA sequence data (COI, 16S rDNA and D2 region of the 28S rDNA) of populations of the apparent morphotype of P. dumerilii obtained from a broader sampling area along European marine waters, including the Azores and Webbnesia islands (Madeira and Canaries), provided compelling evidence for the existence of at least 10 divergent evolutionary lineages. Complementing the genetic data, morphological observations of the better represented lineages revealed two major groups with distinctive paragnath patterns. Two new Platynereis species were erected: P. nunezi sp. nov., widespread in the Azores and Webbnesia islands, and P. jourdei sp. nov., restricted to the western Mediterranean. The new combination P. agilis is also proposed for Nereis agilis, previously unaccepted for one of the lineages present both in the Northeast Atlantic and western Mediterranean. Platynereis dumerilii is redescribed based on topotypic material. However, uncertainty in the identity of P. massiliensis due to the original brief description and the absence of type and topotypic material prevents the unequivocal assignment to the lineage assumed in this and previous studies. The remaining five lineages are represented by only a few small specimens with morphological features poorly preserved and were therefore not described in this study. ZooBank: urn:lsid:zoobank.org:pub:50079615-85E5-447E-BDD7-21E81C2A6F4D
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Cejp B, Ravara A, Aguado MT. First mitochondrial genomes of Chrysopetalidae (Annelida) from shallow-water and deep-sea chemosynthetic environments. Gene 2022; 815:146159. [PMID: 34995739 DOI: 10.1016/j.gene.2021.146159] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 11/30/2021] [Accepted: 12/10/2021] [Indexed: 02/07/2023]
Abstract
Among Annelida, Chrysopetalidae is an ecologically and morphologically diverse group, which includes shallow-water, deep-sea, free-living, and symbiotic species. Here, the four first mitochondrial genomes of this group are presented and described. One of the free-living shallow-water species Chrysopetalum debile (Chrysopetalinae), one of the yet undescribed free-living deep-sea species Boudemos sp., and those of the two deep-sea bivalve endosymbionts Craseoschema thyasiricola and Iheyomytilidicola lauensis (Calamyzinae). An updated phylogeny of Chrysopetalidae is performed, which supports previous phylogenetic hypotheses within Chrysopetalinae and indicates a complex ecological evolution within Calamyzinae. Additionally, analyses of natural selection pressure in the four mitochondrial genomes and additional genes from the two shallow-water species Bhawania goodei and Arichlidon gathofi were performed. Relaxed selection pressure in the mitochondrion of deep-sea and symbiotic species was found, with many sites under selection identified in the COX3 gene of deep-sea species.
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Affiliation(s)
- Benjamin Cejp
- Animal Evolution and Biodiversity, Johann-Friedrich-Blumenbach Institute for Zoology & Anthropology, Georg-August-University Göttingen, 37073, Germany.
| | - Ascensão Ravara
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - M Teresa Aguado
- Animal Evolution and Biodiversity, Johann-Friedrich-Blumenbach Institute for Zoology & Anthropology, Georg-August-University Göttingen, 37073, Germany.
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Teixeira MAL, Vieira PE, Ravara A, Costa FO, Nygren A. From 13 to 22 in a second stroke: revisiting the European Eumida sanguinea (Phyllodocidae: Annelida) species complex. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlab100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Eumida sanguinea is a recognized polychaete species complex which, in previous studies, has been reported to have additional undescribed diversity. We detected nine additional lineages by analysing DNA sequence data (mitochondrial: COI, 16S rRNA and nuclear loci: ITS region and 28S rRNA) of E. sanguinea morphotype populations from a broader sampling effort in European marine waters. Traditional morphological features failed to provide consistent differences or unique characters that could be used to distinguish these Eumida species. However, by complementing DNA data with morphometrics, geographic range, colour and pigmentation patterns, we revealed five new species. Two of these undescribed species derived from the previously signalled Eumida lineages S21 and GB22, which are here named as E. schanderi sp. nov. and E. fenwicki sp. nov., respectively. Three other species are based on newly discovered lineages, namely E. fauchaldi sp. nov., E. langenecki sp. nov. and E. pleijeli sp. nov. From the six new lineages remaining, three are represented by fewer than two well-preserved specimens, which prevented further comprehensive analysis. The last three lineages were only distinct when using mitochondrial markers. Integrative taxonomy is essential to elucidate evolutionary phenomena and eventually allow informed use of species complexes exhibiting stasis in biomonitoring or other ecological studies.
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Affiliation(s)
- Marcos A L Teixeira
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, Braga, Portugal
| | - Pedro E Vieira
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, Braga, Portugal
| | - Ascensão Ravara
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus de Santiago, Aveiro, Portugal
| | - Filipe O Costa
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Campus de Gualtar, Braga, Portugal
- Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, Braga, Portugal
| | - Arne Nygren
- Institutionen for marina vetenskaper, Göteborgs Universitet, Tjärnö, Strömstad, Sweden
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Sikorski AV, Pavlova LV, Sardá R, Langeneck J, Gil J, Ravara A. Two new deep-sea species of Laonice (Annelida: Spionidae) from the Mediterranean Sea. Zootaxa 2021; 4908:zootaxa.4908.4.5. [PMID: 33756602 DOI: 10.11646/zootaxa.4908.4.5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Indexed: 11/04/2022]
Abstract
Two new deep-sea species of the genus Laonice belonging to the subgenera Sarsiana and Appelloefia respectively, are described from the Mediterranean Sea. Complete specimens of the subgenus Appelloefia were studied for the first time, and the new information collected raised questions on the boundaries between the subgenera Appelloefia and Norgensia. The presence of characters in L. barcinensis sp. nov. previously considered to be exclusive to each these two subgenera suggests that they should be regarded as synonymous. The name Appelloefia being given precedence here, according to the Principle of the First Reviser. A correction is made regarding the depth range of Laonice rasmusseni Sikorski Pavlova, 2018.
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Teixeira MAL, Vieira PE, Pleijel F, Sampieri BR, Ravara A, Costa FO, Nygren A. Molecular and morphometric analyses identify new lineages within a large
Eumida
(Annelida) species complex. ZOOL SCR 2019. [DOI: 10.1111/zsc.12397] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Marcos A. L. Teixeira
- Departamento de Biologia CBMA Centre of Molecular and Environmental Biology Universidade do Minho Braga Portugal
- Institute of Science and Innovation for Bio‐Sustainability (IB‐S) Universidade do Minho Braga Portugal
| | - Pedro E. Vieira
- Departamento de Biologia CBMA Centre of Molecular and Environmental Biology Universidade do Minho Braga Portugal
- Institute of Science and Innovation for Bio‐Sustainability (IB‐S) Universidade do Minho Braga Portugal
| | - Fredrik Pleijel
- Institutionen for marina vetenskaper Göteborgs Universitet Tjärnö Strömstad Sweden
| | - Bruno R. Sampieri
- Departamento de Biologia CBMA Centre of Molecular and Environmental Biology Universidade do Minho Braga Portugal
- Institute of Science and Innovation for Bio‐Sustainability (IB‐S) Universidade do Minho Braga Portugal
- Museu de Zoologia Instituto de Biologia Universidade Estadual de Campinas – IB/UNICAMP Campinas Brazil
| | - Ascensão Ravara
- Departamento de Biologia CESAM – Centro de Estudos do Ambiente e do Mar Universidade de Aveiro Aveiro Portugal
| | - Filipe O. Costa
- Departamento de Biologia CBMA Centre of Molecular and Environmental Biology Universidade do Minho Braga Portugal
- Institute of Science and Innovation for Bio‐Sustainability (IB‐S) Universidade do Minho Braga Portugal
| | - Arne Nygren
- Institutionen for marina vetenskaper Göteborgs Universitet Tjärnö Strömstad Sweden
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Lobo J, Teixeira MAL, Borges LMS, Ferreira MSG, Hollatz C, Gomes PT, Sousa R, Ravara A, Costa MH, Costa FO. Starting a DNA barcode reference library for shallow water polychaetes from the southern European Atlantic coast. Mol Ecol Resour 2015; 16:298-313. [DOI: 10.1111/1755-0998.12441] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 06/23/2015] [Accepted: 06/25/2015] [Indexed: 12/15/2022]
Affiliation(s)
- Jorge Lobo
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
- MARE - Marine and Environmental Sciences Centre; Departamento de Ciências e Engenharia do Ambiente; Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa; 2829-516 Monte de Caparica Portugal
| | - Marcos A. L. Teixeira
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
| | - Luisa M. S. Borges
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
- Helmholtz-Zentrum Geesthacht; Centre for Material and Coastal Research; Max-Planck-Straße 1 21502 Geesthacht Germany
| | - Maria S. G. Ferreira
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
| | - Claudia Hollatz
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
| | - Pedro T. Gomes
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
| | - Ronaldo Sousa
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
- CIIMAR/CIMAR - Interdisciplinary Centre of Marine and Environmental Research; Universidade do Porto; Rua dos Bragas, 123 4050-123 Porto Portugal
| | - Ascensão Ravara
- CESAM - Centre for Environmental and Marine Studies; Departamento de Biologia; Universidade de Aveiro; Campus de Santiago 3810-193 Aveiro Portugal
| | - Maria H. Costa
- MARE - Marine and Environmental Sciences Centre; Departamento de Ciências e Engenharia do Ambiente; Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa; 2829-516 Monte de Caparica Portugal
| | - Filipe O. Costa
- CBMA - Centre of Molecular and Environmental Biology; Departamento de Biologia; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
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Ravara A, Marçal AR, Wiklund H, Hilário A. First account on the diversity ofOphryotrocha(Annelida, Dorvilleidae) from a mammal-fall in the deep-Atlantic Ocean with the description of three new species. SYST BIODIVERS 2015. [DOI: 10.1080/14772000.2015.1047428] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ravara A, Moreira MH. Polychaeta (Annelida) from the continental shelf off Aveiro (NW Portugal): Species composition and community structure. cl 2013. [DOI: 10.15560/9.3.533] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The present study provides a checklist of the polychaete fauna collected on the continental shelf off Aveiro (NW Portugal), within an area located between latitudes 40°30’N and 40°50’N and longitudes 8°40’W and 9°20’W, and a depth range of 8 to 185 m. The list includes 136 species, belonging to 37 families, from which 19 are new records for the Portuguese coast (Isolda pulchella, Mesochaetopterus sagittarius, Aphelochaeta multibranchis, Chaetozone cf. vivipara, Diplocirrus hirsutus, Goniadella gracilis, Gyptis mediterranea, Lumbrinerides crassicephala, Eumida bahusiensis, Eumida ockelmanni, Nereiphylla paretti, Phyllodoce rosea, Glyphohesione klatti, Malmgreniella arenicolae, Prionospio aluta, Pseudopolydora paucibranchisata, Pseudopolydora pulchra, Scolelepis mesnili, Polycirrus cf. medusa). The shelf off Aveiro presents a well- defined pattern of sediment distribution, with finer sand on the inner (8–22 m depth) and the outer (94–184 m depth) parts of the shelf and coarser sediments on the mid-shelf. The distribution of polychaete assemblages follows closely the aforementioned sedimentary pattern, showing different specific composition and structure in each of the three areas. Depth was also found to play an important role in the distribution of some polychaete species.
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Ravara A, Lupi M, Camerieri C, Caponnetto S. [Chrono-morphological changes of the electrocardiogram in humans during immersion in apnea]. Boll Soc Ital Biol Sper 1975; 51:214-9. [PMID: 1203120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Fabris U, Ravara A, Sannazzari P, Scaglione G. [Clinical evaluation of rheography performed in immersion on subjects engaged in underwater activities]. Boll Soc Ital Biol Sper 1969; 45:394-6. [PMID: 5355871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Cecchi A, Giuliano A, Grillo A, Manca G, Pinacci U, Ravara A. [First electrocardiographic studies under water]. Boll Soc Ital Biol Sper 1964; 40:1070-1072. [PMID: 5876943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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