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Villastrigo A, Orenes-Salazar V, García-Meseguer AJ, Mirón-Gatón JM, Mourre B, Millán A, Velasco J. Oceanic currents maintain the genetic structure of non-marine coastal taxa in the western Mediterranean Sea. NPJ BIODIVERSITY 2023; 2:25. [PMID: 39242708 PMCID: PMC11332052 DOI: 10.1038/s44185-023-00028-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 10/16/2023] [Indexed: 09/09/2024]
Abstract
Coastal habitats are amongst the most dynamic on Earth, due to their simultaneous exposure to terrestrial, oceanic and atmospheric processes. Coastal taxa are therefore often ecologically specialised and adapted to withstand frequent shifts in sea level, wave exposure, temperature or salinity. This specialisation often resulting in significant cryptic diversity. Previous molecular studies have suggested that genetic differentiation in non-marine coastal organisms may be influenced by oceanic currents and fronts, but the extent to which such processes affect dispersal and evolution of such taxa remains unclear. Here we explore whether population genetic structure in two supralittoral rockpool beetle species (genus Ochthebius) can be predicted from the general circulation pattern of the marine currents and associated oceanic fronts. We simulated dispersal using a Lagrangian particle tracking model and compared this with population genetic structure inferred from COI (mitochondrial) and wingless (nuclear) genes applying linear models and Mantel tests. We show that a biophysical model based on oceanic currents and fronts in the western Mediterranean Sea is a much better predictor of observed population genetic structure than isolation by distance in both species. Our results show that oceanic processes, besides shaping contemporary population connectivity in fully marine organisms, also exert a meaningful influence on terrestrially-derived coastal taxa such as supralittoral rockpool beetles - the first time this mode of dispersal has been demonstrated in an insect.
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Affiliation(s)
- Adrián Villastrigo
- Division of Entomology, SNSB-Zoologische Staatssammlung München, Münchhausenstraße 21, 81247, München, Germany.
| | | | | | | | - Baptiste Mourre
- Balearic Islands Coastal Observing and Forecasting System, 07121, Palma, Spain
| | - Andrés Millán
- Departamento de Ecología e Hidrología, Universidad de Murcia, 30100, Murcia, Spain
| | - Josefa Velasco
- Departamento de Ecología e Hidrología, Universidad de Murcia, 30100, Murcia, Spain
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García-Meseguer AJ, Villastrigo A, Mirón-Gatón JM, Millán A, Velasco J, Muñoz I. Novel Microsatellite Loci, Cross-Species Validation of Multiplex Assays, and By-Catch Mitochondrial Genomes on Ochthebius Beetles from Supratidal Rockpools. INSECTS 2023; 14:881. [PMID: 37999080 PMCID: PMC10672297 DOI: 10.3390/insects14110881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/25/2023]
Abstract
Here we focus on designing, for the first time, microsatellite markers for evolutionary and ecological research on aquatic beetles from the genus Ochthebius (Coleoptera, Hydraenidae). Some of these non-model species, with high cryptic diversity, exclusively inhabit supratidal rockpools, extreme and highly dynamic habitats with important anthropogenic threats. We analysed 15 individuals of four species (O. lejolisii, O. subinteger, O. celatus, and O. quadricollis) across 10 localities from the Mediterranean coasts of Spain and Malta. Using next-generation sequencing technology, two libraries were constructed to interpret the species of the two subgenera present consistently (Ochthebius s. str., O. quadricollis; and Cobalius, the rest of the species). Finally, 20 markers (10 for each subgenus) were obtained and successfully tested by cross-validation in the four species under study. As a by-catch, we could retrieve the complete mitochondrial genomes of O. lejolisii, O. quadricollis, and O. subinteger. Interestingly, the mitochondrial genome of O. quadricollis exhibited high genetic variability compared to already published data. The novel SSR panels and mitochondrial genomes for Ochthebius will be valuable in future research on species identification, diversity, genetic structure, and population connectivity in highly dynamic and threatened habitats such as supratidal coastal rockpools.
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Affiliation(s)
| | - Adrián Villastrigo
- Division of Entomology, SNSB-Zoologische Staatssammlung München, 81247 Munich, Germany;
| | - Juana María Mirón-Gatón
- Ecology and Hydrology Department, University of Murcia, 30100 Murcia, Spain; (A.J.G.-M.); (J.M.M.-G.); (A.M.)
| | - Andrés Millán
- Ecology and Hydrology Department, University of Murcia, 30100 Murcia, Spain; (A.J.G.-M.); (J.M.M.-G.); (A.M.)
| | - Josefa Velasco
- Ecology and Hydrology Department, University of Murcia, 30100 Murcia, Spain; (A.J.G.-M.); (J.M.M.-G.); (A.M.)
| | - Irene Muñoz
- Department of Biodiversity, Ecology and Evolution, Complutense University of Madrid, 28040 Madrid, Spain;
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OUP accepted manuscript. Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Sabatelli S, Ruspantini P, Cardoli P, Audisio P. Underestimated diversity: Cryptic species and phylogenetic relationships in the subgenus Cobalius (Coleoptera: Hydraenidae) from marine rockpools. Mol Phylogenet Evol 2021; 163:107243. [PMID: 34224850 DOI: 10.1016/j.ympev.2021.107243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 05/30/2021] [Accepted: 06/29/2021] [Indexed: 11/19/2022]
Abstract
Marine rockpools are isolated patches of habitat in the supratidal environment (the so-called splash zone), at the transition between sea and land, found along the rocky shores worldwide and characterized by harsh conditions for life. Nonetheless, few specialized invertebrates successfully colonized this peculiar environment. Among them several members of the water beetles Ochthebius Leach, 1815, subgenus Cobalius Rey (1886), which are found almost exclusively in supratidal and upper-most intertidal marine rockpools from the eastern Atlantic Ocean (Cape Verde, Canary Islands and Morocco, Madeira, Azores) throughout the whole Mediterranean basin. The subgenus Cobalius before 2020 was considered to include ten valid species, based on morphological differences. In late 2020, four additional new species were described. However, recent molecular phylogenetic studies have uncovered further cryptic diversity suggesting the presence of multiple undetected species within this group, highlighting that the species boundaries remain unclear and systematics and taxonomy are in need of revision. In this study we provide a molecular phylogeny based on DNA sequence data from mitochondrial and nuclear genes obtained from ten described species belonging to the subgenus Cobalius, and extensive taxon sampling, in order to better understand the phylogenetic relationships within this genus and to infer the biogeographic processes behind its diversification. We also used a molecular clock to define a time window for diversification of distinct clades within the subgenus, and explore aspects of its evolutionary history. Finally, we used three species delimitation methods (PTP, GMYC and ABGD) to clarify taxonomy and validate species boundaries. Our phylogenetic and biogeographic results identified sixteen independent lineages grouped in four main clades and the possible origin of Cobalius was estimated to be in the Early Miocene (~22 Mya) in W Mediterranean area. Moreover, species delimitation methods suggest there are between 16 and 24 putative species, most of them diverged during the Late Miocene, Pliocene and Pleistocene (6.0-0.11 Mya).
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Affiliation(s)
- Simone Sabatelli
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Viale dell'Università 32, 00186 Roma, Italy.
| | - Paola Ruspantini
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Viale dell'Università 32, 00186 Roma, Italy
| | - Paolo Cardoli
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Viale dell'Università 32, 00186 Roma, Italy
| | - Paolo Audisio
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Viale dell'Università 32, 00186 Roma, Italy
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Sabatelli S, Audisio P, Di Giulio A. Larval morphology of the water beetle Ochthebius balfourbrownei (Coleoptera: Hydraenidae) from marine rockpools of Cape Verde Islands. EUROPEAN ZOOLOGICAL JOURNAL 2021. [DOI: 10.1080/24750263.2021.1913248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- S. Sabatelli
- Department of Biology and Biotechnology “Charles Darwin”, Sapienza University, Italy
| | - P. Audisio
- Department of Biology and Biotechnology “Charles Darwin”, Sapienza University, Italy
| | - A. Di Giulio
- Department of Science, University of Roma Tre, Italy
- Laboratorio Interdipartimentale di Microscopia Elettronica (LIME), University of Roma Tre, Italy
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Liu M, Huang M, Cline AR, Mancini E, Scaramuzzi A, Paradisi S, Audisio P, Badano D, Sabatelli S. Rosaceae, Brassicaceae and pollen beetles: exploring relationships and evolution in an anthophilous beetle lineage (Nitidulidae, Meligethes-complex of genera) using an integrative approach. Front Zool 2021; 18:9. [PMID: 33676546 PMCID: PMC7936458 DOI: 10.1186/s12983-021-00390-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 02/12/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Meligethes are pollen-beetles associated with flowers of Rosaceae as larvae. This genus currently consists of 63 known species in two subgenera, Meligethes and Odonthogethes, predominantly occurring in the eastern Palaearctic. We analyzed 74 morphological and ecological characters (169 states) of all species, as well as of 11 outgroup species from 7 Meligethinae genera (including Brassicogethes), to investigate their phylogeny. We also conducted a parallel molecular analysis on 9 Meligethes, 9 Odonthogethes, 3 Brassicogethes and 2 Meligethinus species based on DNA sequence data from mitochondrial (COI, 16S) and nuclear (CAD) genes. RESULTS Morphological phylogenetic reconstructions supported the monophyly of the whole genus and clades corresponding to purported subgenera Meligethes s.str. and Odonthogethes. Main species-groups were mostly confirmed, however some unresolved polytomies remained. Molecular data placed members of Brassicogethes (including 42 mostly W Palearctic species associated with Brassicaceae) as sister to Odonthogethes, with this clade being sister to Meligethes s.str. This phylogenetic scenario suggests that monophyletic Meligethes s.str., Odonthogethes and Brassicogethes should be regarded alternatively as three subgenera of a monophyletic Meligethes, or three genera in a monophyletic genus-complex, with mutually monophyletic Brassicogethes and Odonthogethes. Molecular analyses estimated the origin of this lineage at ca. 14-15 Mya from a common stem including Meligethinus. CONCLUSIONS We hypothesize that the ancestor of Meligethes specialized on Rosaceae in the Middle Miocene (likely in Langhian Age) and subsequently radiated during Late Miocene and Plio-Pleistocene maintaining a trophic niche on this plant family. This radiation was primarily due to geographic isolation in E Asiatic mountain systems. Combined evidence from morphology, ancestral state parsimony reconstruction of host-plant associations and molecular evidence suggested that Rosoideae (Rosa spp.) represented the ancestral hosts of Meligethes s.str., followed by an independent shift of ancestral Odonthogethes (ca. 9-15 Mya) on Rubus (Rosoideae) and members of Rosaceae Spiraeoideae. Other ancestral Odonthogethes probably shifted again on the unrelated plant family Brassicaceae (maybe 8-14 Mya in S China), allowing a rapid westward radiation of the Brassicogethes clade.
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Affiliation(s)
- Meike Liu
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Entomological Museum, Northwest A&F University, Yangling, Xianyang, Shaanxi, China
- College of Agriculture, Yangtze University, Jingzhou, 434025, Hubei, China
| | - Min Huang
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Entomological Museum, Northwest A&F University, Yangling, Xianyang, Shaanxi, China.
| | - Andrew Richard Cline
- California Department of Food & Agriculture, Plant Pest Diagnostics Center, Sacramento, CA, USA
| | - Emiliano Mancini
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Andrea Scaramuzzi
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Simone Paradisi
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Paolo Audisio
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Davide Badano
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy
| | - Simone Sabatelli
- Dipartimento di Biologia e Biotecnologie "Charles Darwin", Sapienza Università di Roma, Rome, Italy.
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The neglected diversity of the Ochthebius fauna from Eastern Atlantic and Central and Western Mediterranean coastal rockpools (Coleoptera, Hydraenidae). ORG DIVERS EVOL 2020. [DOI: 10.1007/s13127-020-00463-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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8
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Ancient hybridization and mtDNA introgression behind current paternal leakage and heteroplasmy in hybrid zones. Sci Rep 2019; 9:19177. [PMID: 31844110 PMCID: PMC6914795 DOI: 10.1038/s41598-019-55764-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 11/29/2019] [Indexed: 01/18/2023] Open
Abstract
Hybridization between heterospecific individuals has been documented as playing a direct role in promoting paternal leakage and mitochondrial heteroplasmy in both natural populations and laboratory conditions, by relaxing the egg-sperm recognition mechanisms. Here, we tested the hypothesis that hybridization can lead to mtDNA heteroplasmy also indirectly via mtDNA introgression. By using a phylogenetic approach, we showed in two reproductively isolated beetle species, Ochthebius quadricollis and O. urbanelliae, that past mtDNA introgression occurred between them in sympatric populations. Then, by developing a multiplex allele-specific PCR assay, we showed the presence of heteroplasmic individuals and argue that their origin was through paternal leakage following mating between mtDNA-introgressed and pure conspecific individuals. Our results highlight that mtDNA introgression can contribute to promote paternal leakage, generating genetic novelty in a way that has been overlooked to date. Furthermore, they highlight that the frequency and distribution of mtDNA heteroplasmy can be deeply underestimated in natural populations, as i) the commonly used PCR-Sanger sequencing approach can fail to detect mitochondrial heteroplasmy, and ii) specific studies aimed at searching for it in populations where mtDNA-introgressed and pure individuals co-occur remain scarce, despite the fact that mtDNA introgression has been widely documented in several taxa and populations.
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Bilton DT, Ribera I, Short AEZ. Water Beetles as Models in Ecology and Evolution. ANNUAL REVIEW OF ENTOMOLOGY 2019; 64:359-377. [PMID: 30629892 DOI: 10.1146/annurev-ento-011118-111829] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Beetles have colonized water many times during their history, with some of these events involving extensive evolutionary radiations and multiple transitions between land and water. With over 13,000 described species, they are one of the most diverse macroinvertebrate groups in most nonmarine aquatic habitats and occur on all continents except Antarctica. A combination of wide geographical and ecological range and relatively accessible taxonomy makes these insects an excellent model system for addressing a variety of questions in ecology and evolution. Work on water beetles has recently made important contributions to fields as diverse as DNA taxonomy, macroecology, historical biogeography, sexual selection, and conservation biology, as well as predicting organismal responses to global change. Aquatic beetles have some of the best resolved phylogenies of any comparably diverse insect group, and this, coupled with recent advances in taxonomic and ecological knowledge, is likely to drive an expansion of studies in the future.
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Affiliation(s)
- David T Bilton
- Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, United Kingdom;
| | - Ignacio Ribera
- Institute of Evolutionary Biology (CSIC-Pompeu Fabra University), 08003 Barcelona, Spain;
| | - Andrew Edward Z Short
- Department of Ecology and Evolutionary Biology; and Division of Entomology, Biodiversity Institute, University of Kansas, Lawrence, Kansas 66045, USA;
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Villastrigo A, Fery H, Manuel M, Millán A, Ribera I. Evolution of salinity tolerance in the diving beetle tribe Hygrotini (Coleoptera, Dytiscidae). ZOOL SCR 2017. [DOI: 10.1111/zsc.12255] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Adrián Villastrigo
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra); Barcelona Spain
| | | | - Michaël Manuel
- UPMC Univ Paris 06; CNRS; Evolution Paris-Seine UMR7138; Institut de Biologie Paris-Seine; Sorbonne Universités; Paris France
| | - Andrés Millán
- Department of Ecology and Hydrology; University of Murcia; Murcia Spain
| | - Ignacio Ribera
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra); Barcelona Spain
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