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Wolfe JM, Ballou L, Luque J, Watson-Zink VM, Ahyong ST, Barido-Sottani J, Chan TY, Chu KH, Crandall KA, Daniels SR, Felder DL, Mancke H, Martin JW, Ng PKL, Ortega-Hernández J, Palacios Theil E, Pentcheff ND, Robles R, Thoma BP, Tsang LM, Wetzer R, Windsor AM, Bracken-Grissom HD. Convergent Adaptation of True Crabs (Decapoda: Brachyura) to a Gradient of Terrestrial Environments. Syst Biol 2024; 73:247-262. [PMID: 37941464 PMCID: PMC11282366 DOI: 10.1093/sysbio/syad066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/15/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023] Open
Abstract
For much of terrestrial biodiversity, the evolutionary pathways of adaptation from marine ancestors are poorly understood and have usually been viewed as a binary trait. True crabs, the decapod crustacean infraorder Brachyura, comprise over 7600 species representing a striking diversity of morphology and ecology, including repeated adaptation to non-marine habitats. Here, we reconstruct the evolutionary history of Brachyura using new and published sequences of 10 genes for 344 tips spanning 88 of 109 brachyuran families. Using 36 newly vetted fossil calibrations, we infer that brachyurans most likely diverged in the Triassic, with family-level splits in the late Cretaceous and early Paleogene. By contrast, the root age is underestimated with automated sampling of 328 fossil occurrences explicitly incorporated into the tree prior, suggesting such models are a poor fit under heterogeneous fossil preservation. We apply recently defined trait-by-environment associations to classify a gradient of transitions from marine to terrestrial lifestyles. We estimate that crabs left the marine environment at least 7 and up to 17 times convergently, and returned to the sea from non-marine environments at least twice. Although the most highly terrestrial- and many freshwater-adapted crabs are concentrated in Thoracotremata, Bayesian threshold models of ancestral state reconstruction fail to identify shifts to higher terrestrial grades due to the degree of underlying change required. Lineages throughout our tree inhabit intertidal and marginal marine environments, corroborating the inference that the early stages of terrestrial adaptation have a lower threshold to evolve. Our framework and extensive new fossil and natural history datasets will enable future comparisons of non-marine adaptation at the morphological and molecular level. Crabs provide an important window into the early processes of adaptation to novel environments, and different degrees of evolutionary constraint that might help predict these pathways. [Brachyura; convergent evolution; crustaceans; divergence times; fossil calibration; molecular phylogeny; terrestrialization; threshold model.].
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Affiliation(s)
- Joanna M Wolfe
- Museum of Comparative Zoology and Department of Organismic & Evolutionary Biology, Harvard University, 26 Oxford St, Cambridge, MA 02138, USA
| | - Lauren Ballou
- Institute of Environment and Department of Biological Sciences, Florida International University, Biscayne Bay Campus, North Miami, FL 33181, USA
| | - Javier Luque
- Museum of Comparative Zoology and Department of Organismic & Evolutionary Biology, Harvard University, 26 Oxford St, Cambridge, MA 02138, USA
- Institute of Environment and Department of Biological Sciences, Florida International University, Biscayne Bay Campus, North Miami, FL 33181, USA
| | | | - Shane T Ahyong
- Australian Museum, 1 William St, Sydney, NSW 2010, Australia
- School of Biological, Earth & Environmental Sciences, University of New South Wales, Kensington, NSW 2052, Australia
| | - Joëlle Barido-Sottani
- Institut de Biologie de l’École Normale Supérieure (IBENS), ENS, CNRS, INSERM, Université PSL (Paris Sciences & Lettres), Paris, France
| | - Tin-Yam Chan
- Institute of Marine Biology and Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan, ROC
| | - Ka Hou Chu
- Simon F. S. Li Marine Science Laboratory, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Keith A Crandall
- Computational Biology Institute, Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, George Washington University, Washington, DC 20052, USA
- Department of Invertebrate Zoology, US National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA
| | - Savel R Daniels
- Department of Botany and Zoology, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
| | - Darryl L Felder
- Department of Invertebrate Zoology, US National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA
- Department of Biology and Laboratory for Crustacean Research, University of Louisiana at Lafayette, Lafayette, LA 70504, USA
| | - Harrison Mancke
- Institute of Environment and Department of Biological Sciences, Florida International University, Biscayne Bay Campus, North Miami, FL 33181, USA
| | - Joel W Martin
- Research and Collections, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA
| | - Peter K L Ng
- Lee Kong Chian Natural History Museum, Faculty of Science, National University of Singapore, 2 Conservatory Drive, 117377 Singapore, Singapore
| | - Javier Ortega-Hernández
- Museum of Comparative Zoology and Department of Organismic & Evolutionary Biology, Harvard University, 26 Oxford St, Cambridge, MA 02138, USA
| | - Emma Palacios Theil
- Department of Invertebrate Zoology and Hydrobiology, University of Łódź, ul. Banacha 12/16, 90-237 Łódź, Poland
| | - N Dean Pentcheff
- Research and Collections, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA
| | - Rafael Robles
- Department of Biology and Laboratory for Crustacean Research, University of Louisiana at Lafayette, Lafayette, LA 70504, USA
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Campeche, San Francisco de Campeche, Campeche, México
| | - Brent P Thoma
- Department of Biology, Jackson State University, P.O. Box 18540, Jackson, MS 39217, USA
| | - Ling Ming Tsang
- Simon F. S. Li Marine Science Laboratory, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Regina Wetzer
- Research and Collections, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA
| | - Amanda M Windsor
- Department of Invertebrate Zoology, US National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA
- United States Food and Drug Administration, Office of Regulatory Science, 5001 Campus Dr. College Park, MD 20740, USA
| | - Heather D Bracken-Grissom
- Institute of Environment and Department of Biological Sciences, Florida International University, Biscayne Bay Campus, North Miami, FL 33181, USA
- Department of Invertebrate Zoology, US National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA
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2
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Marin IN, Golubinskaya DD, Sharina SN. Ecology determines appearance: a new taxonomic solution for the soft bottom dwelling spider crab Pisoides bidentatus (A. Milne-Edwards, 1873) from the Sea of Japan, with remarks on Pisoides ortmanni (Balss, 1924) and the northwestern Pacific Pugettia Dana, 1851 (Majoidea: Epialtidae). Zootaxa 2023; 5264:221-234. [PMID: 37518054 DOI: 10.11646/zootaxa.5264.2.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Indexed: 08/01/2023]
Abstract
The northwestern Pacific soft bottom dwelling spider crab, Pisoides bidentatus (A. Milne-Edwards, 1873) (Brachyura: Majoidea: Epialtidae), is re-described using an integrative approach. As a result, it is transferred to the genus Scyra Dana, 1851 (Epialtidae) based on morphological and molecular data, as well as already described larval morphology, which certainly better reflects the phylogenetic relationships of the species. Japanese Pisoides ortmanni (Balss, 1924), for which morphology and ecology are very similar to P. bidentatus as well as Pugettia quadridens (De Haan, 1839) and the closely related Pugettia ferox Ohtsuchi & Kawamura, 2019, are also transferred to Scyra. The "reduced" morphology of both species is very different from the related northwestern Pacific Scyra spp. and Pugettia spp., which are mostly decorating algae-dwellers. We associate the relatively long ambulatory legs, a smooth tear-drop shaped carapace with a reduced dorsal armature and slightly pronounced pseudorostral spines, characteristic of P. bidentatus and P. ortmanni with their open soft (mainly sand) bottom habitats, where it is difficult to find a foothold or shelter, but it is necessary to resist constant currents. Such morphology is also characteristic of spider crabs of the genera Libinia Leach, 1815 and Doclea Leach, 1815 (Epialtidae: Pisinae), which are also living in similar habitats/conditions and represent a convergent morphological appearance.
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Affiliation(s)
- Ivan N Marin
- A.N. Severtsov Institute of Ecology and Evolution of RAS; Moscow; Russia.
| | - Darya D Golubinskaya
- A.V. Zhirmunsky National Scientific Center of Marine Biology; Far Eastern Branch; Russian Academy of Sciences; Vladivostok 690041; Russia.
| | - Svetlana N Sharina
- A.V. Zhirmunsky National Scientific Center of Marine Biology; Far Eastern Branch; Russian Academy of Sciences; Vladivostok 690041; Russia.
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An HE, Choi TJ, Kim CB. The complete mitochondrial genome of Scyra compressipes Stimpson, 1857 (Decapoda: Epialtidae). Mitochondrial DNA B Resour 2021; 6:1087-1088. [PMID: 33796749 PMCID: PMC7995911 DOI: 10.1080/23802359.2021.1899873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The family Epialtidae is the most diversified family within superfamily Majoidea but there is no report for complete mitogenome of any species in this family. This study was performed to sequence a complete mitogenome of Scyra compressipes Stimpson, 1857, as the first mitochondrial genome report from the Epialtidae. The complete mitogenome sequence of S. compressipes was 16,415 bp and it consisted of 36 genes, including 13 protein-coding genes (PCGs), two rRNA genes, and 21 tRNA genes excluding tRNA-Leu (UAG). tRNA genes ranged from 63 bp to 72 bp in length. The base composition of a complete mitogenome of S. compressipes is 34.7% A, 15.3% C, 10.2% G, and 39.8% T. The phylogenetic position of S. compressipes in the superfamily Majoidea was examined based on 13 PCGs. The phylogenetic analysis showed that S. compressipes was most closely related to Maguimithrax spinosissimus, a representative of the family Mithracidae.
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Affiliation(s)
- Hyung-Eun An
- Department of Biotechnology, Sangmyung University, Seoul, Republic of Korea
| | - Tae-June Choi
- Department of Biotechnology, Sangmyung University, Seoul, Republic of Korea
| | - Chang-Bae Kim
- Department of Biotechnology, Sangmyung University, Seoul, Republic of Korea
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Insights into the evolution of Brachyura (Crustacea: Decapoda) from mitochondrial sequences and gene order rearrangements. Int J Biol Macromol 2021; 170:717-727. [PMID: 33412200 DOI: 10.1016/j.ijbiomac.2020.12.210] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/29/2020] [Accepted: 12/29/2020] [Indexed: 11/23/2022]
Abstract
Brachyura is one of the most species rich and highly derived groups among extant crustaceans, with over 7250 known species. However, brachyuran phylogeny remains controversial and requires further study. Here, we combined 103 brachyuran mitogenomes from GenBank with 10 new mitogenomes to describe gene rearrangement patterns and explore the internal phylogenetic relationships of Brachyura. Most of the 10 novel mitogenomes had the typical 37 genes, except that of Longpotamon depressum, which lacked trnQ. We discovered 15 gene rearrangement patterns among Brachyura and preliminarily determined their rearrangement mechanisms with the help of CREx. We identified seven putative ancestral family gene orders among the 15 rearrangement patterns and expounded systematically upon the mechanisms of their rearrangement. In our phylogenetic analysis, Raninoida shared a sister relationship with an eubrachyuran clade ((Heterotremata [Potamoidea] + Thoracotremata) + Heterotremata) at maximum nodal support rather than Dromiacea, which did not support monophyly of Podotremata. In addition, Potamoidea (Parathelphusidae + Potamidae) retained a close relationship with Thoracotremata rather than their marine relatives in Heterotremata. Our study provides important information for the evolution of Brachyura by using the large taxon sampling currently available for systematic rearrangement and phylogenetic analyses.
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Tamburus AF, Mantelatto FL. A molecular perspective on the systematics of the spider crab genus Libinia Leach, 1815 (Majoidea:Epialtidae). INVERTEBR SYST 2021. [DOI: 10.1071/is20085] [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
Libinia, a genus of spider crabs, encompasses 10 valid species, three from the eastern Pacific and seven from the western Atlantic. Previous phylogenetic hypotheses based on molecular and larval morphological data suggested an uncertain position of the genus Libinia within the family Epialtidae. Therefore, we investigated the evolutionary relationships among the species of Libinia, and also suggested a position for this genus within the family. Phylogenetic trees were obtained from concatenated mtDNA sequences of 16S and COI fragments. Molecular dating methods were used to estimate the relative timing of origin and diversification within Libinia. Eighteen new primers were designed, and PCR conditions were standardised to amplify the COI fragments of older or poorly preserved pinned specimens, generating ~550 base pair sequences. Phylogenetic hypotheses supported the monophyly of the genus. Species that occur in the eastern Pacific and the ones found in the western Atlantic do not form monophyletic clades related to this geographical separation. In the eastern Pacific, there is low phylogenetic proximity between Libinia mexicana and L. setosa; and since we did not sample L. peruana, we inferred that it should cluster with L. setosa or L. mexicana due to morphological similarity. Libinia spinosa is separate from the other species, L. mexicana was a sister group of L. cavirostris, and L. ferreirae was closely related to L. dubia and L. rhomboidea, which occur in the Gulf of Mexico and in the Caribbean, respectively. In the Gulf of Mexico, L. dubia and L. emarginata are closely related. Although L. erinacea was not sampled, we suggest, from previous studies, that it should group with L. dubia due to morphological similarities. The phylogenetic hypothesis suggests the monophyly of Libinia, with its origins at the late Eocene. Finally, the recovered clades based on two molecular markers agreed with a parallel, linked morphological study that is still in progress.
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Chávez-Rodríguez L, Rodríguez-Viera L, Montero-Alejo V, Perdomo-Morales R, Mancera JM, Perera E. A Very Active α-Amylase and an Inhibitor-Based
Control of Proteinases Are Key Features of Digestive Biochemistry
of the Omnivorous Caribbean King Crab Maguimithrax
spinosissimus. J EVOL BIOCHEM PHYS+ 2020. [DOI: 10.1134/s0022093020060083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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7
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Colavite J, Windsor AM, Santana W. A new genus for Pericera septemspinosa Stimpson, 1871 and Pericera heptacantha Bell, 1836 (Crustacea, Brachyura, Majoidea), based on morphology and molecular data. ZOOSYST EVOL 2020. [DOI: 10.3897/zse.96.50360] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
A new genus of majoid spider crab, Pohleusgen. nov. is established for Pericera septemspinosa Stimpson, 1871 and Pericera heptacantha Bell, 1836, based on morphology and molecular data from the partial sequences of the 12S and 16S mitochondrial genes and the 18S small subunit rRNA nuclear locus. The species are re-described and illustrated, based on material from several localities of the western Atlantic and eastern Pacific oceans. The carapace, antennal and pterygostomial spines, male thoracic sternum and first gonopods are distinctive characters, distinguishing Pohleusgen. nov. from species assigned to Macrocoeloma Miers, 1879, where P. septemspinosus and P. heptacanthus are currently included.
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8
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Prakash S, Kumar A. Varying colour pattern, yet genetically similar: Pebble Crab Seulocia vittata (Stimpson, 1858) (Brachyura: Leucosiidae) from the southeastern coast of India. JOURNAL OF THREATENED TAXA 2020. [DOI: 10.11609/jott.5801.12.5.15612-15618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Five adult specimens of leucosiid crab Seulocia vittata (Stimpson, 1858) were recently collected off the coast of Palk Bay, southern India. Typical morphological examination revealed the presence of two colour patterns: grey and red. Interestingly, molecular analysis based on the barcoding gene cytochrome oxidase sub unit I (COI) revealed that both grey and red colour patterns in S. vittata showed 0% sequence divergence between the specimens. This indicates a situation of reverse cryptic behavior in this crab. Surprisingly, the evolutionary and ecological processes leading to the absence of genetic divergence and variation in morphology (colour pattern) in S. vittata complex remain to be addressed.
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9
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Wolfe JM, Breinholt JW, Crandall KA, Lemmon AR, Lemmon EM, Timm LE, Siddall ME, Bracken-Grissom HD. A phylogenomic framework, evolutionary timeline and genomic resources for comparative studies of decapod crustaceans. Proc Biol Sci 2020; 286:20190079. [PMID: 31014217 DOI: 10.1098/rspb.2019.0079] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Comprising over 15 000 living species, decapods (crabs, shrimp and lobsters) are the most instantly recognizable crustaceans, representing a considerable global food source. Although decapod systematics have received much study, limitations of morphological and Sanger sequence data have yet to produce a consensus for higher-level relationships. Here, we introduce a new anchored hybrid enrichment kit for decapod phylogenetics designed from genomic and transcriptomic sequences that we used to capture new high-throughput sequence data from 94 species, including 58 of 179 extant decapod families, and 11 of 12 major lineages. The enrichment kit yields 410 loci (greater than 86 000 bp) conserved across all lineages of Decapoda, more clade-specific molecular data than any prior study. Phylogenomic analyses recover a robust decapod tree of life strongly supporting the monophyly of all infraorders, and monophyly of each of the reptant, 'lobster' and 'crab' groups, with some results supporting pleocyemate monophyly. We show that crown decapods diverged in the Late Ordovician and most crown lineages diverged in the Triassic-Jurassic, highlighting a cryptic Palaeozoic history, and post-extinction diversification. New insights into decapod relationships provide a phylogenomic window into morphology and behaviour, and a basis to rapidly and cheaply expand sampling in this economically and ecologically significant invertebrate clade.
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Affiliation(s)
- Joanna M Wolfe
- 1 Division of Invertebrate Zoology and Sackler Institute of Comparative Genomics, American Museum of Natural History , New York, NY 10024 , USA.,2 Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology , Cambridge, MA 02139 , USA.,3 Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University , Cambridge, MA 02138 , USA
| | - Jesse W Breinholt
- 4 Florida Museum of Natural History, University of Florida , Gainesville, FL 32611 , USA.,5 RAPiD Genomics , Gainesville, FL 32601 , USA
| | - Keith A Crandall
- 6 Computational Biology Institute, The George Washington University , Ashburn, VA 20147 , USA.,7 Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution , Washington, DC 20012 , USA
| | - Alan R Lemmon
- 8 Department of Scientific Computing, Florida State University , Dirac Science Library, Tallahassee, FL 32306 , USA
| | - Emily Moriarty Lemmon
- 9 Department of Biological Science, Florida State University , Tallahassee, FL 32306 , USA
| | - Laura E Timm
- 10 Department of Biological Sciences, Florida International University , North Miami, FL 33181 , USA
| | - Mark E Siddall
- 1 Division of Invertebrate Zoology and Sackler Institute of Comparative Genomics, American Museum of Natural History , New York, NY 10024 , USA
| | - Heather D Bracken-Grissom
- 10 Department of Biological Sciences, Florida International University , North Miami, FL 33181 , USA
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10
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Colavite J, Windsor A, Santana W. Three new species and a new genus of majoid crabs from the eastern Pacific (Decapoda, Brachyura). Zookeys 2019; 825:1-24. [PMID: 30814903 PMCID: PMC6389645 DOI: 10.3897/zookeys.825.32271] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 01/18/2019] [Indexed: 11/12/2022] Open
Abstract
Three new species and a new genus of majoid crabs from deep waters in the eastern Pacific are described and illustrated using morphological and molecular data. A new species of inachoidid, Collodesanartius sp. n. is described from Peru, which resembles C.tenuirostris Rathbun, 1893, in the general appearance of the carapace, but is distinguished by the details of tubercles on the carapace and thoracic sternum, proportions of the pereopod articles, and bathymetric distribution. A new epialtid, Nibiliamachala sp. n., is described from Ecuador; Nibilia A Milne-Edwards, 1878 has, until now, been considered to be monotypic, occurring only in the western Atlantic. This new species, from the eastern Pacific, closely resembles N.antilocapra (Stimpson, 1871) in the general morphology, but can be distinguished by the number of spines on the carapace and pereopods. Another epialtid, Solincaaulix gen. n. et sp. n, is establish for material collected from Ecuador and Peru, and can be easily identified from other taxa by the presence of a deep furrow between the very inflated branchial regions.
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Affiliation(s)
- Jessica Colavite
- Universidade do Sagrado Coração, Pró-Reitoria de Pesquisa e Pós-Graduação, Laboratório de Sistemática Zoológica, 10-50, Irmã Arminda st., Jd. Brasil, Bauru, SP 17011-160, BrazilUniversidade do Sagrado CoraçãoBauruBrazil
- Departamento de Zoologia, Instituto de Biociências, Universidade do Estado de São Paulo (UNESP), Botucatu, SP 18618-970, BrazilUniversidade do Estado de São PauloBotucatuBrazil
| | - Amanda Windsor
- Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Museum Support Center, 4210 Silver Hill Road, Suitland, MD 20746-2863, USANational Museum of Natural History, Smithsonian InstitutionSuitlandUnited States of America
| | - William Santana
- Universidade do Sagrado Coração, Pró-Reitoria de Pesquisa e Pós-Graduação, Laboratório de Sistemática Zoológica, 10-50, Irmã Arminda st., Jd. Brasil, Bauru, SP 17011-160, BrazilUniversidade do Sagrado CoraçãoBauruBrazil
- Departamento de Zoologia, Instituto de Biociências, Universidade do Estado de São Paulo (UNESP), Botucatu, SP 18618-970, BrazilUniversidade do Estado de São PauloBotucatuBrazil
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11
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Alam P, Sanka I, Alam LP, Wijaya S, Sintya E, Handayani NSN, Rivero-Müller A. The snapping shrimp dactyl plunger: a thermomechanical damage-tolerant sandwich composite. ZOOLOGY 2017; 126:1-10. [PMID: 29157879 DOI: 10.1016/j.zool.2017.11.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 11/01/2017] [Accepted: 11/01/2017] [Indexed: 10/18/2022]
Abstract
The dactyl plunger of Alpheus sp. was found to be a layered composite, with mineral-rich outer and inner layers and a chitin-rich middle layer of high porosity. The chitin-rich middle layer is itself composed of several porous chitin laminae. Modelling heat conduction through the plunger cross-section revealed that the chitin-rich layer is able to insulate heat and retard its progress through the material. Heat accumulates in the plunger after a series of successive snaps and as such, its thermally resistant design can be considered most useful under the conditions of successive snapping. The plunger has a concurrent mechanical damage-tolerant design with biogenic mineral layers, viscous (chitin-mineral) interfaces, energy-dissipating porous chitin, and sidewalls composed of ordered, layered aragonite. The snapping shrimp plunger has a design that may protect it and internal soft tissues from thermomechanical damage during plunger-socket compression prior to cavitation bubble release.
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Affiliation(s)
- Parvez Alam
- School of Engineering, Institute for Materials and Processes, University of Edinburgh, Edinburgh, UK.
| | - Immanuel Sanka
- Biology Education Centre, Uppsala University, Uppsala, Sweden; KSK-Biogama (Marine Biology Study Group), Faculty of Biology, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | | | - Saka Wijaya
- Department of Tropical Biology, Faculty of Biology, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Erly Sintya
- School of Engineering, Institute for Materials and Processes, University of Edinburgh, Edinburgh, UK; KSK-Biogama (Marine Biology Study Group), Faculty of Biology, Universitas Gadjah Mada, Yogyakarta, Indonesia; Department of Imaging Sciences & Biomedical Engineering Research Division, Kings College, London, UK
| | | | - Adolfo Rivero-Müller
- Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland; Department of Biochemistry and Molecular Biology, Medical University of Lublin, Lublin, Poland
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12
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Assugeni CDO, Magalhães T, Bolaños JA, Tudge CC, Mantelatto FL, Zara FJ. Ultrastructure of spermatozoa of spider crabs, family Mithracidae (Crustacea, Decapoda, Brachyura): Integrative analyses based on morphological and molecular data. J Morphol 2017; 278:1628-1646. [PMID: 28921597 DOI: 10.1002/jmor.20737] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 06/13/2017] [Accepted: 07/20/2017] [Indexed: 01/06/2023]
Abstract
Recent studies based on morphological and molecular data provide a new perspective concerning taxonomic aspects of the brachyuran family Mithracidae. These studies proposed a series of nominal changes and indicated that the family is actually represented by a different number and representatives of genera than previously thought. Here, we provide a comparative description of the ultrastructure of spermatozoa and spermatophores of some species of Mithracidae in a phylogenetic context. The ultrastructure of the spermatozoa and spermatophore was observed by scanning and transmission electron microscopy. The most informative morphological characters analysed were thickness of the operculum, shape of the perforatorial chamber and shape and thickness of the inner acrosomal zone. As a framework, we used a topology based on a phylogenetic analysis using mitochondrial data obtained here and from previous studies. Our results indicate that closely related species share a series of morphological characteristics of the spermatozoa. A thick operculum, for example, is a feature observed in species of the genera Amphithrax, Teleophrys, and Omalacantha in contrast to the slender operculum observed in Mithraculus and Mithrax. Amphithrax and Teleophrys have a rhomboid perforatorial chamber, while Mithraculus, Mithrax, and Omalacantha show a wider, deltoid morphology. Furthermore, our results are in agreement with recently proposed taxonomic changes including the separation of the genera Mithrax (previously Damithrax), Amphithrax (previously Mithrax) and Mithraculus, and the synonymy of Mithrax caribbaeus with Mithrax hispidus. Overall, the spermiotaxonomy of these species of Mithracidae represent a novel set of data that corroborates the most recent taxonomic revision of the family and can be used in future taxonomic and phylogenetic studies within this family.
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Affiliation(s)
- Camila de O Assugeni
- Departamento de Biologia Aplicada, Laboratório de Morfologia do Invertebrados (IML), Unesp Aquaculture Center (Caunesp) e IEAMar, Universidade Estadual Paulista (UNESP), Prof. Donato Castellane, S/N, Jaboticabal, SP, 14884-900, Brazil
| | - Tatiana Magalhães
- Laboratório de Bioecologia e Sistemática de Crustáceos (LBSC), Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), Av. Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil
| | - Juan A Bolaños
- (In Memorian) Grupo de Investigación en Carcinología (GICUDONE), Escuela de Ciencias Aplicadas del Mar, Departamento de Acuacultura y Biología Marina, Nueva Esparta, Isla de Margarita
| | - Christopher C Tudge
- Biology Department, American University, 4400 Massachusetts Ave, NW, Washington, DC, 20016-8007
| | - Fernando L Mantelatto
- Laboratório de Bioecologia e Sistemática de Crustáceos (LBSC), Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), Av. Bandeirantes, 3900, Ribeirão Preto, SP, 14040-901, Brazil
| | - Fernando J Zara
- Departamento de Biologia Aplicada, Laboratório de Morfologia do Invertebrados (IML), Unesp Aquaculture Center (Caunesp) e IEAMar, Universidade Estadual Paulista (UNESP), Prof. Donato Castellane, S/N, Jaboticabal, SP, 14884-900, Brazil
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Mantelatto FL, Terossi M, Negri M, Buranelli RC, Robles R, Magalhães T, Tamburus AF, Rossi N, Miyazaki MJ. DNA sequence database as a tool to identify decapod crustaceans on the São Paulo coastline. Mitochondrial DNA A DNA Mapp Seq Anal 2017; 29:805-815. [PMID: 28872375 DOI: 10.1080/24701394.2017.1365848] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
DNA barcoding has emerged as an efficient tool for taxonomy and other biodiversity fields. The vast and speciose group of decapod crustaceans is not an exception in the current scenario and comparing short DNA fragments has enabled researchers to overcome some taxonomic impediments to help broadening knowledge on the diversity of this group of crustaceans. Brazil is considered as an important area in terms of global marine biodiversity and some regions stand out in terms of decapod fauna, such as the São Paulo coastline. Thus, the aim of this study is to obtain sequences of the mitochondrial markers (COI and 16S) for decapod crustaceans distributed at the São Paulo coastline and to test the accuracy of these markers for species identification from this region by comparing our sequences to those already present in the GenBank database. We sampled along almost the 300 km of the São Paulo coastline from estuaries to offshore islands during the development of a multidisciplinary research project that took place for 5 years. All the species were processed to obtain the DNA sequences. The diversity of the decapod fauna on the São Paulo coastline comprises at least 404 species. We were able to collect 256 of those species and sequence of at least one of the target genes from 221. By testing the accuracy of these two DNA markers as a tool for identification, we were able to check our own identifications, including new records in GenBank, spot potential mistakes in GenBank, and detect potential new species.
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Affiliation(s)
- Fernando L Mantelatto
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Mariana Terossi
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Mariana Negri
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Raquel C Buranelli
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Rafael Robles
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Tatiana Magalhães
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Ana Francisca Tamburus
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Natália Rossi
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Mayara J Miyazaki
- a Laboratory of Bioecology and Crustacean Systematics, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
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Tavares AI, Cabezas MP, Xavier R, Branco M, Lima FP, Seabra R, Ribeiro PA, Lopes EP, Santos AM. Phylogeography and phylogeny of the genusAcanthonyx(Decapoda, Epialtidae) in the north-east Atlantic and Mediterranean. ZOOL SCR 2017. [DOI: 10.1111/zsc.12232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ana I. Tavares
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- Faculdade de Ciências; Universidade do Porto; Rua do Campo Alegre s/n 4169-007 Porto Portugal
| | - M. Pilar Cabezas
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
| | - Raquel Xavier
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
- School of Biological Sciences; Cardiff University; Cardiff CF10 3AX UK
| | - Madalena Branco
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
| | - Fernando P. Lima
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
| | - Rui Seabra
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
| | - Pedro A. Ribeiro
- MARE - Marine and Environmental Sciences Centre & IMAR - Institute of Marine and Okeanos- R&D Center; University of the Azores; 9901-862 Horta Portugal
- Okeanos - R&D Center; University of the Azores; 9901-862 Horta Portugal
| | - Evandro P. Lopes
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- Faculty of Engineering and Marine Sciences; Cabo Verde University; Mindelo São Vicente Cabo Verde
| | - António M. Santos
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos; Campus Agrário de Vairão 4485-661 Vairão Portugal
- Faculdade de Ciências; Universidade do Porto; Rua do Campo Alegre s/n 4169-007 Porto Portugal
- UniCV; Universidade de Cabo Verde; Cabo Verde
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15
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Tamburus AF, Mantelatto FL. A multifaceted comparison between the spider crabs Epialtus bituberculatus and Epialtus brasiliensis (Brachyura: Majoidea: Epialtidae) in the neotropical areas of the western Atlantic: morphology, morphometry and DNA markers. NEOTROPICAL BIODIVERSITY 2016. [DOI: 10.1080/23766808.2016.1236234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Ana Francisca Tamburus
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo (USP), Av. Bandeirantes 3900, 14040-901, Ribeirão Preto (SP), Brazil
| | - Fernando L. Mantelatto
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo (USP), Av. Bandeirantes 3900, 14040-901, Ribeirão Preto (SP), Brazil
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Carapace surface architecture facilitates camouflage of the decorator crab Tiarinia cornigera. Acta Biomater 2016; 41:52-9. [PMID: 27184402 DOI: 10.1016/j.actbio.2016.05.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 05/11/2016] [Accepted: 05/11/2016] [Indexed: 11/24/2022]
Abstract
UNLABELLED This paper elucidates the unique setal morphology of the decorator crab Tiarinia cornigera, and further presents evidence to that setal morphology promotes micro-organism nucleation and adhesion. The carapace of this crab is covered by clusters of setae, each comprising a hollow acicular stem that is enveloped by a haystack-like structure. Using computational fluid dynamics, we find that these setae are responsible for manipulating water flow over the carapace surface. Micro-organisms in the sea water, nest in areas of flow stagnation and as a result, nucleate to and biofoul the setae by means of chemical adhesion. Attached micro-organisms secrete extracellular polymeric substances, which we deduce must also provide an additional element of chemical adhesion to mechanically interlocked mesoscopic and macroscopic biomatter. By coupling physical and chemical methods for adhesion, T. cornigera is able to hierarchically decorate its carapace. STATEMENT OF SIGNIFICANCE Our paper brings to light the unique decorator crab carapace morphology of T. cornigera; and furthermore evidences its function in micro-organism nucleation and adhesion. We show how this special carapace morphology directs and guides water flow to form nesting regions of water stagnation where micro-organisms can nucleate and adhere. In the literature, decorator crab carapaces are presumed to be able to mechanically interlock biomatter as camouflage using hook-like setal outgrowths. T. cornigera contrarily exhibits clusters of hay-stack like structures. By encouraging micro-organism adhesion to the carapace setae, T. cornigera is able to effectively attach biomatter using both chemical and physical principles of adhesion. T. cornigera essentially has a super-biofouling carapace surface, for at least micro-organisms. Our work will have an impact on researchers interested in biofouling, adhesion, biomedical and purification filter systems, and in the development of novel biomimetic surfaces with tailored properties.
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Luppi TA, Spivak ED. The larval development of the spider crab Rochinia gracilipes(Crustacea: Majoidea: Epialtidae: Pisinae) reared in the laboratory. J NAT HIST 2016. [DOI: 10.1080/00222933.2016.1190415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Tomás A. Luppi
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)-Universidad Nacional de Mar del Plata, Mar del Plata, Argentina
| | - Eduardo D. Spivak
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET)-Universidad Nacional de Mar del Plata, Mar del Plata, Argentina
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Tamburus AF, Mantelatto FL. Taxonomic and Biogeographical Status of Three Species of the Spider Crabs of the Genus Acanthonyx Latreille, 1828 (Majoidea: Epialtidae) as Determined by DNA Barcoding and Morphological Analyses Along the Western Atlantic. Zool Stud 2016; 55:e23. [PMID: 31966168 PMCID: PMC6409790 DOI: 10.6620/zs.2016.55-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Accepted: 03/04/2016] [Indexed: 11/18/2022]
Abstract
Ana Francisca Tamburus and Fernando Luis Mantelatto (2016) The genus Acanthonyx Latreille, 1828 contains 17 valid species, including A. dissimulatus Coelho, 1993, A. petiverii H. Milne Edwards, 1834 and A. scutiformis (Dana, 1851), which occur along the Brazilian coast. The high degree of intraspecific variation in the angle of hepatic region, size of the tubercles of the carapace and length of setae on the carapace and pereopods has resulted in difficulties with the taxonomy of this genus. Analysis of more consistent morphological and molecular characters are required to clarify the status of the three species that occurs in Brazil. For the molecular data, we used the barcode region of the mitochondrial gene COI as a marker, and we correlated this with morphological characters of adults and juveniles. The three species of Acanthonyx were morphologically similar and the matrix of genetic distances and maximum likelihood trees showed that A. dissimulatus and A. scutiformis belonged to the same group with A. petiverii. They could not be separated using the diagnosing characters proposed in the original description or genetically (present study), thus indicating that the taxonomic status of the first two species is questionable. The division into two distinct groups corresponding to A (Caribbean, Brazil, Venezuela) and B (USA, Mexico) was well supported and indicated that there are genetic differences between these populations. Present study suggests the existence of a single species in Brazil and Caribbean, assigned to A. petiverii (type locality in Antilles). The existence of a new species restricted to North America confirms the cryptic diversity within Acanthonyx.
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Affiliation(s)
- Ana Francisca Tamburus
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Postgraduate Program in Comparative Biology, Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo (USP), Av. Bandeirantes 3900, CEP 14040-901, Ribeirão Preto (SP), Brazil. E-mail:
| | - Fernando Luis Mantelatto
- Laboratory of Bioecology and Crustacean Systematics (LBSC), Postgraduate Program in Comparative Biology, Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo (USP), Av. Bandeirantes 3900, CEP 14040-901, Ribeirão Preto (SP), Brazil. E-mail:
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Brandão MC, Freire AS, Burton RS. Estimating diversity of crabs (Decapoda: Brachyura) in a no-take marine protected area of the SW Atlantic coast through DNA barcoding of larvae. SYST BIODIVERS 2016. [DOI: 10.1080/14772000.2016.1140245] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Miranda I, Mantelatto FL. Porcelain crabs of the genera Pachycheles Stimpson and Neopisosoma Haig (Decapoda : Anomura : Porcellanidae): new premises based on molecular data and comments on phylogenetic relationships in the family. INVERTEBR SYST 2016. [DOI: 10.1071/is16025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Porcellanidae Haworth, 1825 is a family of marine anomuran crabs distributed throughout tropical and temperate regions of all the oceans, typically littoral and sublittoral waters, with a considerable diversity of lifestyles, habitats and colouration. Pachycheles Stimpson, 1858 and Neopisosoma Haig, 1960 share, among other morphological characteristics, the fragmentation of the lateral carapace walls. The morphology of this body region was key to supporting the establishment of Neopisosoma, which increased uncertainty about the taxonomic status of these genera due to the high intraspecific variation of this character. Our study reconstructs the phylogenetic relationship between Pachycheles and Neopisosoma based on mitochondrial and nuclear DNA sequences to evaluate whether these are valid taxa. While Pachycheles seems to be monophyletic, the position of Neopisosoma mexicanum (Streets, 1871) indicates that the group is polyphyletic, and deserves further investigation. Pachycheles is revealed to be older than Neopisosoma, and likely originated in the Indo-Pacific, later spreading to the American continent during the early Tertiary. Neopisosoma may have arisen much later in the Caribbean Province before the closure of the Isthmus of Panama, explaining its distribution, which is restricted mainly to Central America. The inclusion of a considerable number of species from both genera represents a significant advance in the study of this controversial group. The phylogenetic reconstruction of Pachycheles unveiled clades corroborated by morphology, but also revealed unclear relationships, which may indicate the potential existence of cryptic species.
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21
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Castejón D, Rotllant G, Ribes E, Durfort M, Guerao G. Foregut morphology and ontogeny of the spider crabMaja brachydactyla(Brachyura, Majoidea, Majidae). J Morphol 2015; 276:1109-22. [DOI: 10.1002/jmor.20404] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 03/04/2015] [Accepted: 04/27/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Diego Castejón
- Subprograma Cultius Aquàtics; IRTA, Ctra. de Poble Nou, Km 5.5; Sant Carles de la Rápita 43540 Tarragona Spain
| | - Guiomar Rotllant
- Departament de Recursos Marins Renovables; Institut De Ciències Del Mar; CSIC, Passeig Marítim de la Barceloneta 37-49; Barcelona 08003 Spain
| | - Enric Ribes
- Departament de Biologia Cel·lular; Facultat de Biologia; Universitat de Barcelona, Av Diagonal 643; Barcelona 08028 Spain
| | - Mercè Durfort
- Departament de Biologia Cel·lular; Facultat de Biologia; Universitat de Barcelona, Av Diagonal 643; Barcelona 08028 Spain
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Tsang LM, Schubart CD, Ahyong ST, Lai JC, Au EY, Chan TY, Ng PK, Chu KH. Evolutionary History of True Crabs (Crustacea: Decapoda: Brachyura) and the Origin of Freshwater Crabs. Mol Biol Evol 2014; 31:1173-87. [DOI: 10.1093/molbev/msu068] [Citation(s) in RCA: 166] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Windsor AM, Felder DL. Molecular phylogenetics and taxonomic reanalysis of the family Mithracidae MacLeay (Decapoda : Brachyura : Majoidea). INVERTEBR SYST 2014. [DOI: 10.1071/is13011] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Mithracid crabs comprise a primarily subtidal reef- and rubble-dwelling group inhabiting both tropical and subtropical seas. Despite their relative ubiquity in many hard-substrate environments, there has been little consensus about their phylogenetic relationships or whether their group rank should be that of subfamily or family. We have used a combined molecular dataset of two nuclear (18S, H3) and three mitochondrial (12S, 16S, COI) genes to build a preliminary molecular phylogeny of Majoidea in order to examine the membership of Mithracidae. We then built a second molecular phylogeny based on three mitochondrial genes to assess the internal composition of the family, and conducted comparative morphological examinations of genera and species that resolved in unexpected positions on the phylogram. Four genera are designated under new or resurrected names on the basis of molecular and morphological characters, while memberships of several other existing genera are modified. Following review of molecular and morphological characters, the genera Coelocerus, Cyclocoeloma, Cyphocarcinus, Leptopisa, Micippa, Picrocerodes, Stenocionops and Tiarinia are provisionally excluded from Mithracidae s.s., while Hemus and Pitho are included in it. A key to genera of Mithracidae is provided.
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Meyer R, Weis A, Melzer RR. Decapoda of southern Chile: DNA barcoding and integrative taxonomy with focus on the generaAcanthocyclusandEurypodius. SYST BIODIVERS 2013. [DOI: 10.1080/14772000.2013.833143] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Radulovici AE, Sainte-Marie B, Dufresne F. DNA barcoding of marine crustaceans from the Estuary and Gulf of St Lawrence: a regional-scale approach. Mol Ecol Resour 2013; 9 Suppl s1:181-7. [PMID: 21564977 DOI: 10.1111/j.1755-0998.2009.02643.x] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Marine crustaceans are known as a group with a high level of morphological and ecological diversity but are difficult to identify by traditional approaches and usually require the help of highly trained taxonomists. A faster identification method, DNA barcoding, was found to be an effective tool for species identification in many metazoan groups including some crustaceans. Here we expand the DNA barcode database with a case study involving 80 malacostracan species from the Estuary and Gulf of St Lawrence. DNA sequences for 460 specimens grouped into clusters corresponding to known morphological species in 95% of cases. Genetic distances between species were on average 25 times higher than within species. Intraspecific divergence was high (3.78-13.6%) in specimens belonging to four morphological species, suggesting the occurrence of cryptic species. Moreover, we detected the presence of an invasive amphipod species in the St Lawrence Estuary. This study reconfirms the usefulness of DNA barcoding for the identification of marine crustaceans.
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Affiliation(s)
- Adriana E Radulovici
- Département de biologie, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, Québec, Canada G5 L 3A1, Direction des sciences halieutiques et de l'aquaculture, Institut Maurice-Lamontagne, Pêches et Océans Canada, 850 route de la Mer, CP 1000, Mont-Joli, Québec, Canada G5H 3Z4
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26
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Tudge CC, Scheltinga DM, Jamieson BGM, Guinot D, Richer de Forges B. Comparative ultrastructure of the spermatozoa of the Majoidea (Crustacea, Decapoda, Brachyura) with new data on six species in five genera. ACTA ZOOL-STOCKHOLM 2012. [DOI: 10.1111/azo.12005] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Christopher C. Tudge
- Department of Biology American University Washington District of Columbia 20016‐8007 USA
- Department of Invertebrate Zoology National Museum of Natural History Smithsonian Institution Washington District of Columbia USA
| | - David M. Scheltinga
- Department of Zoology and Entomology University of Queensland Brisbane Qld 4072 Australia
| | - Barrie G. M. Jamieson
- Department of Zoology and Entomology University of Queensland Brisbane Qld 4072 Australia
| | - Danièle Guinot
- Département Milieux et peuplements aquatiques Muséum National d'Histoire Naturelle CP 53 61 rue Buffon F‐75231 Paris Cedex 05 France
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Matzen da Silva J, Creer S, dos Santos A, Costa AC, Cunha MR, Costa FO, Carvalho GR. Systematic and evolutionary insights derived from mtDNA COI barcode diversity in the Decapoda (Crustacea: Malacostraca). PLoS One 2011; 6:e19449. [PMID: 21589909 PMCID: PMC3093375 DOI: 10.1371/journal.pone.0019449] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 04/06/2011] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Decapods are the most recognizable of all crustaceans and comprise a dominant group of benthic invertebrates of the continental shelf and slope, including many species of economic importance. Of the 17635 morphologically described Decapoda species, only 5.4% are represented by COI barcode region sequences. It therefore remains a challenge to compile regional databases that identify and analyse the extent and patterns of decapod diversity throughout the world. METHODOLOGY/PRINCIPAL FINDINGS We contributed 101 decapod species from the North East Atlantic, the Gulf of Cadiz and the Mediterranean Sea, of which 81 species represent novel COI records. Within the newly-generated dataset, 3.6% of the species barcodes conflicted with the assigned morphological taxonomic identification, highlighting both the apparent taxonomic ambiguity among certain groups, and the need for an accelerated and independent taxonomic approach. Using the combined COI barcode projects from the Barcode of Life Database, we provide the most comprehensive COI data set so far examined for the Order (1572 sequences of 528 species, 213 genera, and 67 families). Patterns within families show a general predicted molecular hierarchy, but the scale of divergence at each taxonomic level appears to vary extensively between families. The range values of mean K2P distance observed were: within species 0.285% to 1.375%, within genus 6.376% to 20.924% and within family 11.392% to 25.617%. Nucleotide composition varied greatly across decapods, ranging from 30.8 % to 49.4 % GC content. CONCLUSIONS/SIGNIFICANCE Decapod biological diversity was quantified by identifying putative cryptic species allowing a rapid assessment of taxon diversity in groups that have until now received limited morphological and systematic examination. We highlight taxonomic groups or species with unusual nucleotide composition or evolutionary rates. Such data are relevant to strategies for conservation of existing decapod biodiversity, as well as elucidating the mechanisms and constraints shaping the patterns observed.
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Affiliation(s)
- Joana Matzen da Silva
- Molecular Ecology and Fisheries Genetics Laboratory, School of Biological Sciences, Environment Centre for Wales, Bangor University, Bangor, Wales, United Kingdom.
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Yu L, Luan PT, Jin W, Ryder OA, Chemnick LG, Davis HA, Zhang YP. Phylogenetic Utility of Nuclear Introns in Interfamilial Relationships of Caniformia (Order Carnivora). Syst Biol 2011; 60:175-87. [DOI: 10.1093/sysbio/syq090] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Li Yu
- Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China
| | - Peng-Tao Luan
- Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China
| | - Wei Jin
- Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming 650091, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China
| | - Oliver A. Ryder
- San Diego Zoo Conservation Research, PO Box 120551, San Diego, CA 92112, USA
| | - Leona G. Chemnick
- San Diego Zoo Conservation Research, PO Box 120551, San Diego, CA 92112, USA
| | - Heidi A. Davis
- San Diego Zoo Conservation Research, PO Box 120551, San Diego, CA 92112, USA
| | - Ya-ping Zhang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China
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Hultgren K, Stachowicz J. Evolution of Decoration in Majoid Crabs: A Comparative Phylogenetic Analysis of the Role of Body Size and Alternative Defensive Strategies. Am Nat 2009; 173:566-78. [DOI: 10.1086/597797] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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30
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Utility of arginine kinase for resolution of phylogenetic relationships among brachyuran genera and families. Mol Phylogenet Evol 2008; 48:718-27. [DOI: 10.1016/j.ympev.2008.05.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2007] [Revised: 05/02/2008] [Accepted: 05/03/2008] [Indexed: 11/21/2022]
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