1
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Abalde S, Crocetta F, Tenorio MJ, D'Aniello S, Fassio G, Rodríguez-Flores PC, Uribe JE, M L Afonso C, Oliverio M, Zardoya R. Hidden species diversity and mito-nuclear discordance within the Mediterranean cone snail, Lautoconus ventricosus. Mol Phylogenet Evol 2023:107838. [PMID: 37286063 DOI: 10.1016/j.ympev.2023.107838] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 05/15/2023] [Accepted: 05/31/2023] [Indexed: 06/09/2023]
Abstract
The Mediterranean cone snail, Lautoconus ventricosus, is currently considered a single species inhabiting the whole Mediterranean basin and the adjacent Atlantic coasts. Yet, no population genetic study has assessed its taxonomic status. Here, we collected 245 individuals from 75 localities throughout the Mediterranean Sea and used cox1 barcodes, complete mitochondrial genomes, and genome skims to test whether L. ventricosus represents a complex of cryptic species. The maximum likelihood phylogeny based on complete mitochondrial genomes recovered six main clades (hereby named blue, brown, green, orange, red, and violet) with sufficient sequence divergence to be considered putative species. On the other hand, phylogenomic analyses based on 437 nuclear genes only recovered four out of the six clades: blue and orange clades were thoroughly mixed and the brown one was not recovered. This mito-nuclear discordance revealed instances of incomplete lineage sorting and introgression, and may have caused important differences in the dating of main cladogenetic events. Species delimitation tests proposed the existence of at least three species: green, violet, and red+blue+orange (i.e., cyan). Green plus cyan (with sympatric distributions) and violet, had West and East Mediterranean distributions, respectively, mostly separated by the Siculo-Tunisian biogeographical barrier. Morphometric analyses of the shell using species hypotheses as factor and shell length as covariate showed that the discrimination power of the studied parameters was only 70.2%, reinforcing the cryptic nature of the uncovered species, and the importance of integrative taxonomic approaches considering morphology, ecology, biogeography, and mitochondrial and nuclear population genetic variation.
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Affiliation(s)
- Samuel Abalde
- Department of Zoology, Swedish Museum of Natural History, Box 50007, 10405 Stockholm, Sweden; Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006 Madrid, Spain.
| | - Fabio Crocetta
- Department of Integrative Marine Ecology (EMI), Stazione Zoologica Anton Dohrn, Villa Comunale, I-80121 Napoli, Italy
| | - Manuel J Tenorio
- Departamento CMIM y Q. Inorgánica-INBIO, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Cádiz, Spain
| | - Salvatore D'Aniello
- Department of Biology and Evolution of Marine Organisms (BEOM), Stazione Zoologica Anton Dohrn, Villa Comunale, I-80121 Napoli, Italy
| | - Giulia Fassio
- Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Zoology-Viale dell'Università 32, 00185 Rome, Italy
| | - Paula C Rodríguez-Flores
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006 Madrid, Spain; Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge MA 02138, USA
| | - Juan E Uribe
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Carlos M L Afonso
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005 - 139 Faro, Portugal
| | - Marco Oliverio
- Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Zoology-Viale dell'Università 32, 00185 Rome, Italy
| | - Rafael Zardoya
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006 Madrid, Spain
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2
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Fassio G, Stefani M, Russini V, Buge B, Bouchet P, Treneman N, Malaquias MAE, Schiaparelli S, Modica MV, Oliverio M. Neither slugs nor snails: a molecular reappraisal of the gastropod family Velutinidae. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Abstract
The systematics of the marine mollusc family Velutinidae has long been neglected by taxonomists, mainly because their often internal and fragile shells offer no morphological characters. Velutinids are usually undersampled owing to their cryptic mantle coloration on the solitary, social or colonial ascidians on which they feed and lay eggs. In this study, we address the worldwide diversity and phylogeny of Velutinidae based on the largest molecular dataset (313 specimens) to date, accounting for > 50% of the currently accepted genera, coupled with morphological and ecological data. Velutinids emerge as a diverse group, encompassing four independent subfamily-level lineages, two of which are newly described herein: Marseniopsinae subfam. nov. and Hainotinae subfam. nov. High diversity was found at genus and species levels, with two newly described genera (Variolipallium gen. nov. and Pacifica gen. nov.) and ≥ 86 species in the assayed dataset, 58 of which are new to science (67%). Velutinidae show a remarkable morphological plasticity in shell morphology, mantle extension and chromatic patterns. This variability is likely to be the result of different selective forces, including habitat, depth and trophic interactions.
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Affiliation(s)
- Giulia Fassio
- Department of Biology and Biotechnologies ‘Charles Darwin’, Sapienza University of Rome , Viale dell’Universitá 32, 00185 Rome , Italy
| | - Matteo Stefani
- Department of Biology and Biotechnologies ‘Charles Darwin’, Sapienza University of Rome , Viale dell’Universitá 32, 00185 Rome , Italy
| | - Valeria Russini
- Department of Biology and Biotechnologies ‘Charles Darwin’, Sapienza University of Rome , Viale dell’Universitá 32, 00185 Rome , Italy
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana ‘M. Aleandri’ , Via Appia Nuova 1411, 00178 Rome , Italy
| | - Barbara Buge
- Muséum national d’Histoire naturelle, Direction des Collections , 55, Rue de Buffon, 75005 Paris , France
| | - Philippe Bouchet
- Institut de Systématique, Évolution, Biodiversité (ISYEB), UMR 7205 (CNRS, EPHE, MNHN, UPMC), Muséum national d’Histoire naturelle, Sorbonne Universités , 43 Rue Cuvier, 75231 Paris Cedex 05 , France
| | - Nancy Treneman
- Oregon Institute of Marine Biology , POB 5389, 63466 Boat Basin Road, Charleston, OR 97420 , USA
| | | | - Stefano Schiaparelli
- DiSTAV, University of Genoa , Corso Europa 26, 16132 Genoa , Italy
- Italian National Antarctic Museum (MNA, Section of Genoa) , Viale Benedetto XV n. 5, 16132 Genoa , Italy
| | - Maria Vittoria Modica
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn , Villa Comunale, 80121 Naples , Italy
| | - Marco Oliverio
- Department of Biology and Biotechnologies ‘Charles Darwin’, Sapienza University of Rome , Viale dell’Universitá 32, 00185 Rome , Italy
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3
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Abstract
Previous studies have indicated that each conotoxin precursor has a hyperconserved signal region, a rather conserved pro region and a hypervariable mature region, and nucleotide mutations are the main driven factor. However, in this study, we made an in-depth analysis on the M-superfamily conotoxin precursors and found that the diversity of the signal, pro and mature regions are more complicated than previous findings. Different conotoxin precursors can have same signal, pro and/or mature regions, especially different conotoxin precursors with same mature region but different signal and pro regions. In addition, insertions and deletions (indels) were detected in conotoxin precursors. Indels are infrequent in the signal region but frequent in the pro and mature regions. In contrast to deletions that dominate in the pro region, insertions dominate in the mature region. The number of amino acids is crucial for the physiological functions of mature conotoxins, therefore indels, especially insertions in the mature region, play an important role in the sequence and function diversity of conotoxins.
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Affiliation(s)
- Manyi Yang
- Department of Hepatobiliary and Pancreatic Surgery, NHC Key Laboratory of Nanobiological Technology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan, People's Republic of China
| | - Maojun Zhou
- Department of Oncology, Laboratory of Structural Biology, NHC Key Laboratory of Cancer Proteomics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.
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4
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Klein AH, Ballard KR, Storey KB, Motti CA, Zhao M, Cummins SF. Multi-omics investigations within the Phylum Mollusca, Class Gastropoda: from ecological application to breakthrough phylogenomic studies. Brief Funct Genomics 2020; 18:377-394. [PMID: 31609407 DOI: 10.1093/bfgp/elz017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 07/06/2019] [Accepted: 07/15/2019] [Indexed: 12/22/2022] Open
Abstract
Gastropods are the largest and most diverse class of mollusc and include species that are well studied within the areas of taxonomy, aquaculture, biomineralization, ecology, microbiome and health. Gastropod research has been expanding since the mid-2000s, largely due to large-scale data integration from next-generation sequencing and mass spectrometry in which transcripts, proteins and metabolites can be readily explored systematically. Correspondingly, the huge data added a great deal of complexity for data organization, visualization and interpretation. Here, we reviewed the recent advances involving gastropod omics ('gastropodomics') research from hundreds of publications and online genomics databases. By summarizing the current publicly available data, we present an insight for the design of useful data integrating tools and strategies for comparative omics studies in the future. Additionally, we discuss the future of omics applications in aquaculture, natural pharmaceutical biodiscovery and pest management, as well as to monitor the impact of environmental stressors.
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Affiliation(s)
- Anne H Klein
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia
| | - Kaylene R Ballard
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia
| | - Kenneth B Storey
- Institute of Biochemistry & Department of Biology, Carleton University, Ottawa, ON, Canada K1S 5B6
| | - Cherie A Motti
- Australian Institute of Marine Science (AIMS), Cape Ferguson, Townsville Queensland 4810, Australia
| | - Min Zhao
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia
| | - Scott F Cummins
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland 4558, Australia
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5
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Russini V, Giannuzzi-Savelli R, Pusateri F, Prkic J, Fassio G, Modica MV, Oliverio M. Candidate cases of poecilogony in Neogastropoda: implications for the systematics of the genus Raphitoma Bellardi, 1847. INVERTEBR SYST 2020. [DOI: 10.1071/is19039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Poecilogony is the intraspecific variation in developmental mode, with larvae of different types produced by the same individual, population or species. It is very rare among marine invertebrates, and in gastropods has long been described only in a few opisthobranchs. The physiological and regulatory mechanisms underlying larval evolutionary transitions, such as loss of planktotrophy that occurred repeatedly in many caenogastropod lineages, are still largely unknown. We have studied the inter- v. intraspecific variation in larval development in the north-east Atlantic neogastropod genus Raphitoma Bellardi, 1847, starting with an iterative taxonomy approach: 17 morphology-based Preliminary Species Hypotheses were tested against a COI molecular-distance-based method (ABGD), and the retained species hypotheses were eventually inspected for reciprocal monophyly on a multilocus dataset. We subsequently performed an ancestral state reconstruction on an ultrametric tree of the 10 Final Species Hypotheses, time-calibrated by fossils, revealing that the interspecific changes were planktotrophy > lecithotrophy, and all have occurred in the Pleistocene, after 2.5 million years ago. This is suggestive of a major role played by Pleistocene Mediterranean oceanographic conditions – enhanced oligotrophy, unpredictable availability of water column resources – likely to favour loss of planktotrophy. Within this group of species, which has diversified after the Miocene, we identified one pair of sibling species differing in their larval development, Raphitoma cordieri (Payraudeau, 1826) and R. horrida (Monterosato, 1884). However, we also identified two Final Species Hypotheses, each comprising individuals with both larval developmental types. Our working hypothesis is that they correspond to one or two poecilogonous species. If confirmed by other nuclear markers, this would be the first documentation of poecilogony in the Neogastropoda, and the second in the whole Caenogastropoda. Although sibling species with different developmental strategies may offer good models to study some evolutionary aspects, poecilogonous taxa are optimally suited for identifying regulatory and developmental mechanisms underlying evolutionary transitions.
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6
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An Antarctic flock under the Thorson's rule: Diversity and larval development of Antarctic Velutinidae (Mollusca: Gastropoda). Mol Phylogenet Evol 2018; 132:1-13. [PMID: 30502396 DOI: 10.1016/j.ympev.2018.11.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/22/2018] [Accepted: 11/22/2018] [Indexed: 11/22/2022]
Abstract
In most marine gastropods, the duration of the larval phase is a key feature, strongly influencing species distribution and persistence. Antarctic lineages, in agreement with Thorson's rule, generally show a short pelagic developmental phase (or lack it completely), with very few exceptions. Among them is the ascidian-feeding gastropod family Velutinidae, a quite understudied group. Based on a multilocus (COI, 16S, 28S and ITS2) dataset for 182 specimens collected in Antarctica and other regions worldwide, we investigated the actual Antarctic velutinid diversity, inferred their larval development, tested species genetic connectivity and produced a first phylogenetic framework of the family. We identified 15 Antarctic Molecular Operational Taxonomic Units (MOTUs), some of which represented undescribed species, which show two different types of larval shell, indicating different duration of the Pelagic Larval Phase (PLD). Antarctic velutinids stand as an independent lineage, sister to the rest of the family, with extensive hidden diversity likely produced by rapid radiation. Our phylogenetic framework indicates that this Antarctic flock underwent repeated events of pelagic phase shortening, in agreement with Thorson's rule, yielding species with restricted geographic ranges.
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7
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Abdelkrim J, Aznar-Cormano L, Buge B, Fedosov A, Kantor Y, Zaharias P, Puillandre N. Delimiting species of marine gastropods (Turridae, Conoidea) using RAD sequencing in an integrative taxonomy framework. Mol Ecol 2018; 27:4591-4611. [DOI: 10.1111/mec.14882] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 08/27/2018] [Accepted: 09/04/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Jawad Abdelkrim
- Institut de Systématique Evolution Biodiversité (ISYEB); Muséum National d'Histoire Naturelle; CNRS; Sorbonne Université; EPHE; Paris France
- Service de Systématique Moléculaire SSM- UMS2700 - Muséum National d'Histoire Naturelle; Paris France
| | - Laetitia Aznar-Cormano
- Institut de Systématique Evolution Biodiversité (ISYEB); Muséum National d'Histoire Naturelle; CNRS; Sorbonne Université; EPHE; Paris France
| | - Barbara Buge
- Muséum National d'Histoire Naturelle; Paris France
| | - Alexander Fedosov
- A.N. Severtsov Institute of Ecology and Evolution; Russian Academy of Sciences; Moscow Russia
| | - Yuri Kantor
- A.N. Severtsov Institute of Ecology and Evolution; Russian Academy of Sciences; Moscow Russia
| | - Paul Zaharias
- Institut de Systématique Evolution Biodiversité (ISYEB); Muséum National d'Histoire Naturelle; CNRS; Sorbonne Université; EPHE; Paris France
| | - Nicolas Puillandre
- Institut de Systématique Evolution Biodiversité (ISYEB); Muséum National d'Histoire Naturelle; CNRS; Sorbonne Université; EPHE; Paris France
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8
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Phylogeography of the Red Algal Laurencia Complex in the Macaronesia Region and Nearby Coastal Areas: Recent Advances and Future Perspectives. DIVERSITY 2018. [DOI: 10.3390/d10010010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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Sheth BP, Thaker VS. DNA barcoding and traditional taxonomy: an integrated approach for biodiversity conservation. Genome 2017; 60:618-628. [DOI: 10.1139/gen-2015-0167] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Biological diversity is depleting at an alarming rate. Additionally, a vast amount of biodiversity still remains undiscovered. Taxonomy has been serving the purpose of describing, naming, and classifying species for more than 250 years. DNA taxonomy and barcoding have accelerated the rate of this process, thereby providing a tool for conservation practice. DNA barcoding and traditional taxonomy have their own inherent merits and demerits. The synergistic use of both methods, in the form of integrative taxonomy, has the potential to contribute to biodiversity conservation in a pragmatic timeframe and overcome their individual drawbacks. In this review, we discuss the basics of both these methods of biological identification (traditional taxonomy and DNA barcoding), the technical advances in integrative taxonomy, and future trends. We also present a comprehensive compilation of published examples of integrative taxonomy that refer to nine topics within biodiversity conservation. Morphological and molecular species limits were observed to be congruent in ∼41% of the 58 source studies. The majority of the studies highlighted the description of cryptic diversity through the use of molecular data, whereas research areas like endemism, biological invasion, and threatened species were less discussed in the literature.
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Affiliation(s)
- Bhavisha P. Sheth
- Centre for Advanced Studies in Plant Biotechnology and Genetic Engineering, Department of Biosciences, Saurashtra University, Rajkot 360005, Gujarat, India
- Centre for Advanced Studies in Plant Biotechnology and Genetic Engineering, Department of Biosciences, Saurashtra University, Rajkot 360005, Gujarat, India
| | - Vrinda S. Thaker
- Centre for Advanced Studies in Plant Biotechnology and Genetic Engineering, Department of Biosciences, Saurashtra University, Rajkot 360005, Gujarat, India
- Centre for Advanced Studies in Plant Biotechnology and Genetic Engineering, Department of Biosciences, Saurashtra University, Rajkot 360005, Gujarat, India
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10
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Zeylanicobdella arugamensis , the marine leech from cultured crimson snapper ( Lutjanus erythropterus ), Jerejak Island, Penang, Malaysia. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.01.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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11
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Molecular and morphometric data suggest the presence of a neglected species in the marine gastropod family Conidae. Mol Phylogenet Evol 2017; 109:421-429. [DOI: 10.1016/j.ympev.2017.02.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 02/12/2017] [Accepted: 02/15/2017] [Indexed: 11/15/2022]
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12
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Machín-Sánchez M, Rousseau F, Le Gall L, Cassano V, Neto AI, Sentíes A, T Fujii M, Gil-Rodríguez MC. Species diversity of the genus Osmundea (Ceramiales, Rhodophyta) in the Macaronesian region. JOURNAL OF PHYCOLOGY 2016; 52:664-681. [PMID: 27221970 DOI: 10.1111/jpy.12431] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 03/21/2016] [Indexed: 06/05/2023]
Abstract
Species diversity within the genus Osmundea in the Macaronesian region was explored by conducting a comprehensive sampling in the Azores, the Canary, and the Madeira archipelagos. Toward identification, all specimens were first observed alive to verify the absence of corps en cerise, a diagnostic character for the genus and morphometric data were measured (thallus length and width, first-order branches length and width, branchlets length and width, cortical cell length and width in surface view, cortical cell length and width in transverse section). Specimens were sequenced for COI-5P (39 specimens) and three species delimitation methods (Generalized Mixed Yule Coalescent, Automatic Barcode Gap Discovery method, and Poisson Tree Processes) were used to assess the threshold between infra- and interspecific relationships. Subsequently, one or several sequences of plastid-encoded large subunit of RuBisCO (21 specimens) per delimited species were generated to assess the phylogenetic relationships among Macaronesian Osmundea. Moreover, for each delineated species, vegetative and reproductive anatomy was thoroughly documented and, when possible, specimens were either assigned to existing taxa or described as novel species. This integrative approach has provided data for (i) the presence of O. oederi, O. pinnatifida, and O. truncata in Macaronesia; (ii) the proposal of two novel species, O. prudhommevanreinei sp. nov. and O. silvae sp. nov.; and (iii) evidence of an additional species referred as "Osmundea sp.1," which is a sister taxon of O. hybrida.
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Affiliation(s)
- María Machín-Sánchez
- Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, 38071 La Laguna, Santa Cruz de Tenerife, Spain
| | - Florence Rousseau
- Institut de Systématique, Évolution, Biodiversité, ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, 57 rue Cuvier, CP 39 75005, Paris, France
| | - Line Le Gall
- Institut de Systématique, Évolution, Biodiversité, ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, 57 rue Cuvier, CP 39 75005, Paris, France
| | - Valéria Cassano
- Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277, 05508-090, São Paulo, Brazil
| | - Ana I Neto
- CE3C - Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group and Universidade dos Açores - Departamento de Biologia, 9501-801, Ponta Delgada, Açores, Portugal
| | - Abel Sentíes
- Hidrobiología, Universidad Autónoma Metropolitana-Iztapalapa, A.P. 55-535, México, D.F. 09340, México
| | - Mutue T Fujii
- Núcleo de Pesquisa em Ficologia, Instituto de Botânica, Av. Miguel Estéfano, 3687, 04301-902, São Paulo, Brazil
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13
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Hiebert TC, Maslakova S. Integrative Taxonomy of the Micrura alaskensis Coe, 1901 Species Complex (Nemertea: Heteronemertea), with Descriptions of a New Genus Maculaura gen. nov. and Four New Species from the NE Pacific. Zoolog Sci 2016; 32:615-37. [PMID: 26654045 DOI: 10.2108/zs150011] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Micrura alaskensis Coe, 1901 is a common intertidal heteronemertean known from eastern and northwest Pacific (Alaska to Ensenada, Mexico and Akkeshi, Japan, respectively). It is an emerging model system in developmental biology research. We present evidence from morphology of the adults, gametes, and sequences of cytochrome c oxidase subunit I and 16S rRNA genes that it is not one, but a complex of five, cryptic species. All five of these species co-occur at least in part of their geographic range (e.g. southern Oregon). Preliminary cross-hybridization experiments suggest that at least some of these species are reproductively isolated. The five species share characteristics of adult morphology (e.g. accessory buccal glands) and at least four are known to possess a unique larval morphotype--pilidium maculosum. We propose that these characters define a new genus, Maculaura gen. nov., which contains the following five species: Maculaura alaskensis comb. nov., Maculaura aquilonia sp. nov., Maculaura cerebrosa sp. nov., Maculaura oregonensis sp. nov., and Maculaura magna sp. nov. It is unclear which of the five species Coe originally encountered and described. We chose to retain the name "alaskensis" for the species that current researchers know as "Micrura alaskensis", although, presently, it is only known from Washington and Oregon, and has not been collected from Alaska. Maculaura aquilonia sp. nov. is the only member of the genus we have encountered in Alaska, and we show that it also occurs in the Sea of Okhotsk, Russia.
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Affiliation(s)
| | - Svetlana Maslakova
- Oregon Institute of Marine Biology, University of Oregon, Charleston, OR 97420, USA
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14
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Oldrati V, Arrell M, Violette A, Perret F, Sprüngli X, Wolfender JL, Stöcklin R. Advances in venomics. MOLECULAR BIOSYSTEMS 2016; 12:3530-3543. [DOI: 10.1039/c6mb00516k] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The term “venomics” was coined to describe the global study of venom and venom glands, targeting comprehensive characterization of the whole toxin profile of a venomous animal by means of proteomics, transcriptomics, genomics and bioinformatics studies.
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Affiliation(s)
- Vera Oldrati
- Atheris SA
- Geneva
- Switzerland
- School of Pharmaceutical Sciences
- EPGL
| | | | - Aude Violette
- Alphabiotoxine Laboratory Sprl
- Montroeul-au-Bois B-7911
- Belgium
| | | | | | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences
- EPGL
- University of Geneva
- University of Lausanne
- CMU
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15
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The application of “-omics” technologies for the classification and identification of animals. ORG DIVERS EVOL 2015. [DOI: 10.1007/s13127-015-0234-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Puillandre N, Stöcklin R, Favreau P, Bianchi E, Perret F, Rivasseau A, Limpalaër L, Monnier E, Bouchet P. Corrigendum to “When everything converges: Integrative taxonomy with shell, DNA and venomic data reveals Conus conco, a new species of cone snails (Gastropoda: Conoidea)” [Mol. Phylogenet. Evol. 80 (2014) 186–192]. Mol Phylogenet Evol 2015. [DOI: 10.1016/j.ympev.2014.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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