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Fonseca-González I, Velasquez-Agudelo E, Londoño-Mesa MH, Álvarez JC. De novo transcriptome sequencing and annotation of the Antarctic polychaete Microspio moorei (Spionidae) with its characterization of the heat stress-related proteins (HSP, SOD & CAT). Mar Genomics 2024; 73:101085. [PMID: 38301367 DOI: 10.1016/j.margen.2024.101085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/07/2023] [Accepted: 01/22/2024] [Indexed: 02/03/2024]
Abstract
We present a de novo transcriptome assembly for the non-model Antarctic polychaete worm Microspio moorei (Spionidae) collected during Antarctic field expedition in Fildes Bay, King George Island, Antarctic Peninsula, in 2017. Here, we report the first transcriptome reference array for Microspio spp. The gene sequences of the spionid worm were annotated from a wide range of functions (i.e., biological, and metabolic processes, catalytic processes, and catalytic activity). HSP70, HSP90 SOD and CAT families were compared to reported annelid transcriptomes and proteomes. The phylogenetic analysis using COI, 16S, and 18S markers effectively clusters the species within the family. However, it also casts uncertainty on the monophyletic nature of the Microspio genera, indicating the necessity for additional data and potentially requiring a reevaluation of its grouping. Within these protein families, 3D model software was used to create one representative of their protein structures. Structural predictions were compared with related reported annelids living at different temperatures and a human X-ray reference. We found structural differences (RMSE >1.8) between the human HSP proteins but no significant differences between the polychaete-predicted proteins (RMSE <1.2). These results encourage further research of heat stress-related proteins, the development of genetic markers for climate change-induced temperature stress, and the study of the underlying mechanisms of the heat response. Moreover, these results motivate the extension of these findings to congeneric species.
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Affiliation(s)
- Idalyd Fonseca-González
- LimnoBasE & Biotamar Research Group, Institute of Biology, University of Antioquia, Medellín 050010, Colombia
| | - Esteban Velasquez-Agudelo
- Research Group in Biodiversity, Evolution and Conservation (BEC), EAFIT University, Medellín 050022, Colombia
| | - Mario H Londoño-Mesa
- LimnoBasE & Biotamar Research Group, Institute of Biology, University of Antioquia, Medellín 050010, Colombia
| | - Javier C Álvarez
- Research Group in Biodiversity, Evolution and Conservation (BEC), EAFIT University, Medellín 050022, Colombia.
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Radashevsky VI, Malyar VV, Pankova VV, Choi JW, Yum S, Carlton JT. Searching for a Home Port in a Polyvectic World: Molecular Analysis and Global Biogeography of the Marine Worm Polydora hoplura (Annelida: Spionidae). BIOLOGY 2023; 12:780. [PMID: 37372065 DOI: 10.3390/biology12060780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023]
Abstract
The spionid polychaete Polydora hoplura Claparède, 1868 is a shell borer widely occurring across the world and considered introduced in many areas. It was originally described in the Gulf of Naples, Italy. Adult diagnostic features are the palps with black bands, prostomium weakly incised anteriorly, caruncle extending to the end of chaetiger 3, short occipital antenna, and heavy sickle-shaped spines in the posterior notopodia. The Bayesian inference analysis of sequence data of four gene fragments (2369 bp in total) of the mitochondrial 16S rDNA, nuclear 18S, 28S rDNA and Histone 3 has shown that worms with these morphological features from the Mediterranean, northern Europe, Brazil, South Africa, Australia, Republic of Korea, Japan and California are genetically identical, form a well-supported clade, and can be considered conspecific. The genetic analysis of a 16S dataset detected 15 haplotypes of this species, 10 of which occur only in South Africa. Despite the high genetic diversity of P. hoplura in South Africa, we tentatively propose the Northwest Pacific, or at the most the Indo-West Pacific, as its home region, not the Atlantic Ocean or the Eastern Pacific Ocean. The history of the discovery of P. hoplura around the world appears to be intimately linked to global shipping commencing in the mid-19th century, followed by the advent of the global movement of commercial shellfish (especially the Pacific oyster Magallana gigas) in the 20th century, interlaced with continued, complex dispersal by vessels and aquaculture. Given that P. hoplura has been detected in only a few of the 17 countries where Pacific oysters have been established, we predict that it may already be present in many more regions. As global connectivity through world trade continues to increase, it is likely that novel populations of P. hoplura will continue to emerge.
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Affiliation(s)
- Vasily I Radashevsky
- National Scientific Center of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevsky Street, Vladivostok 690041, Russia
| | - Vasily V Malyar
- National Scientific Center of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevsky Street, Vladivostok 690041, Russia
| | - Victoria V Pankova
- National Scientific Center of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, 17 Palchevsky Street, Vladivostok 690041, Russia
| | - Jin-Woo Choi
- Blue Carbon Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Seungshic Yum
- Ecological Risk Research Division, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
| | - James T Carlton
- Coastal and Ocean Studies Program, Williams College-Mystic Seaport, Mystic, CT 06355, USA
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Boring can get you far: shell-boring Dipolydora from Temperate Northern Pacific, with emphasis on the global history of Dipolydora giardi (Mesnil, 1893) (Annelida: Spionidae). Biol Invasions 2022. [DOI: 10.1007/s10530-022-02941-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Abe H, Kan K. Phylogenetic position of the enigmatic genus Atherospio and description of Atherospio aestuarii sp. nov. (Annelida: Spionidae) from Japan. PeerJ 2022; 10:e13909. [PMID: 36042856 PMCID: PMC9420407 DOI: 10.7717/peerj.13909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/27/2022] [Indexed: 01/19/2023] Open
Abstract
Background There are currently two species within the small enigmatic genus Atherospio Mackie & Duff, 1986, which belongs to the Pygospiopsis-Atherospio group in the family Spionidae Grube, 1850. The taxonomic relationship of the genus Atherospio with other spionid or spioniform genera is currently not well understood due to its unusual morphological characteristics. Methods Here, we describe a new Atherospio species, Atherospio aestuarii sp. nov., based on materials collected from three localities in Japan: Hirota Bay (Iwate Prefecture), Ago Bay (Mie Prefecture), and Yakushima Island (Kagoshima Prefecture). We have also evaluated the possible systematic position of this new species by conducting molecular phylogenetic analyses using the nuclear 18S, 28S, and mitochondrial 16S rRNA gene sequences. Results The morphology of A. aestuarii sp. nov. resembles that of A. disticha Mackie & Duff, 1986 and A. guillei (Laubier & Ramos, 1974) in having branchiae fused to the notopodial lamellae on a restricted number of segments from chaetiger 7, modified neurochaetae on chaetiger 5, and at least some bidentate neuropodial hooks with the secondary tooth below the main fang. The form and arrangement of the modified aristate neurochaetae in double vertical rows closely resemble those found on chaetigers 4 and 5 of A. disticha. The new species lacks the occipital antenna present in A. disticha. In this respect it resembles A. guillei, however, that species differs in having robust neuropodial spines on chaetiger 5 and peristomial papillae, and a preponderance of unidentate neurochaetae. Both A. guillei and the new species have slender needle-like notochaetae in their posteriormost chaetigers. Atherospio aestuarii sp. nov. is distinguished from both congeneric species by its branchial and neuropodial hook distributions. The new species is also unique in that it was recorded at relatively shallow depths, which included intertidal zones. The results of our molecular phylogenetic analysis indicate that the new species was included in a clade that included the genera of the Polydora complex, Pygospio Claparède, 1863, Glandulospio Meißner, Bick, Guggolz, Götting, 2014, Spio Fabricius, 1785, Microspio Mesnil, 1896, Marenzelleria Mesnil, 1896, Rhynchospio Hartman, 1936, Scolelepis Blainville, 1828, Dispio Hartman, 1951, and Malacoceros Quatrefages, 1843 with robust statistical support. The new species formed a clade with Dispio and Scolelepis, however, statistical support for the node was not significant.
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Affiliation(s)
- Hirokazu Abe
- Department of Biology, Center for Liberal Arts & Sciences, Iwate Medical University, Yahaba‐cho, Shiwa‐gun, Iwate, Japan,Faculty of Science and Engineering, Ishinomaki Senshu University, Ishinomaki, Miyagi, Japan
| | - Kotaro Kan
- Department of Biology, Center for Liberal Arts & Sciences, Iwate Medical University, Yahaba‐cho, Shiwa‐gun, Iwate, Japan
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Lee GH, Min GS. A New Polychaete, Scolelepis (Parascolelepis) Brunnea sp. nov. (Annelida: Spionidae), from Korea. Zoolog Sci 2022; 39:500-506. [DOI: 10.2108/zs220031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/23/2022] [Indexed: 11/17/2022]
Affiliation(s)
- Geon Hyeok Lee
- Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea
| | - Gi-Sik Min
- Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea
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Lee GH, Min GS. Rhynchospioaciliata sp. nov., a new spionid species (Annelida, Spionidae) from the Korea Strait. Zookeys 2022; 1100:191-205. [PMID: 36760395 PMCID: PMC9848812 DOI: 10.3897/zookeys.1100.80077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/21/2022] [Indexed: 11/12/2022] Open
Abstract
A new spionid polychaete, Rhynchospioaciliata sp. nov., was discovered in the fine sandy sediments of an intertidal habitat from Korean waters. The new species is considered a simultaneous hermaphrodite, but no brooding embryos were found in any of the specimens collected in this study. This species is unique in the absence of ciliation in the anteriormost chaetigers. Rhynchospioaciliata sp. nov. is morphologically most similar to Rhynchospiofoliosa Imajima, 1991 from Japan in having an elevation on the prostomium, conspicuously large and foliaceous branchiae, and intersegmental lateral pouches. However, the new species differs from the latter by the following characteristics: (1) large and lanceolate notopodial postchaetal lamellae of chaetiger 1, (2) transverse ciliated bands and ciliation on the inner branchiae absent in anteriormost chaetigers, and (3) pygidium with one pair of ventral cirri and numerous elongated dorsolateral cirri. Detailed description and illustrations of the new species are provided with molecular information on mitochondrial cytochrome c oxidase subunit I (COI), 16S ribosomal DNA (rDNA), nuclear 18S rDNA, and 28S rDNA.
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Affiliation(s)
- Geon Hyeok Lee
- Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of KoreaInha UniversityIncheonRepublic of Korea
| | - Gi-Sik Min
- Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of KoreaInha UniversityIncheonRepublic of Korea
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Almón B, Pérez-Dieste J, de Carlos A, Bañón R. Identification of the shell-boring parasite Polydora hoplura (Annelida: Spionidae) on wild stocks of Pecten maximus in Galician waters, NW Spain. J Invertebr Pathol 2022; 190:107750. [DOI: 10.1016/j.jip.2022.107750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 10/18/2022]
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Wang Z, Xu T, Qiu JW, Ji Y, Yu Z, Ke C. Morphological analysis of Rhynchospio aff. asiatica (Annelida: Spionidae) and comments on the phylogeny and reproduction of the family Spionidae. JOURNAL OF OCEANOLOGY AND LIMNOLOGY 2022; 40:1257-1276. [PMID: 35194518 PMCID: PMC8854475 DOI: 10.1007/s00343-021-1068-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/21/2021] [Indexed: 06/14/2023]
Abstract
The genus Rhynchospio has fronto-lateral horns on prostomium, paired branchiae from chaetiger 2 to near the posterior end, capillary notochaetae only, and more than two pairs of pygidial cirri. Rhynchospio species are common in coastal soft bottom communities; nevertheless, many recorded Rhynchospio specimens around the world are currently undescribed. Here we described a Rhynchospio species based on specimens collected from Qingdao, China. Comparison with the reported DNA sequences of four gene markers (16S rRNA, 18S rRNA, 28S rRNA, and Histone H3) and brief morphological description of specimens collected from Jinhae Bay, South Korea, previously reported as Rhynchospio aff asiatica, indicated that they are conspecific. Morphologically, specimens of R. aff. asiatica from Qingdao are characterized by having neuropodial hooded hooks from chaetigers 14-17 (vs. 10-23 in R. asiatica) to near pygidial chaetigers, sperm from chaetiger 11 to 14 (vs. from chaetiger 11 to 21-22 in R. asiatica), oocytes from chaetigers 16-17 to 26-39 (vs. from 22-24 in R. asiatica), and 4-6 (vs. up to 6 in R. asiatica) pygidial cirri. Genetically, Rhynchospio aff. asiatica is most closely related to R. arenincola Hartman, 1936 from California, USA with the interspecific distances of 20.02% (16S rRNA), 4.50% (18S rRNA), 8.44% (28S rRNA), 2.74% (Histone H3), and 6.10% (concatenated sequences). Water flow across the dorsum created by ciliary beating of the branchiae and nototrochs, observed on live specimens, may help transport gametes from reproductive segments in anterior and middle parts to the posterior brooding segments. Phylogenetic trees based on concatenated sequences of four gene markers of 54 spioniform species in 25 genera revealed two clades, covering the two subfamilies Spioninae and Nerininae respectively. Two families (i.e., Poecilochaetidae and Trochochaetidae) in the order Spionida were clustered within Spionidae, supporting a morphology-based proposal that these families bearing a pair of prehensile, grooved palps should be grouped within a more broadly defined family Spionidae. Mapping morphological and reproductive characteristics to the phylogenetic trees indicated that the ancestor of spionids might lack branchiae, broadcast spawn thick-envelop oocytes and ect-aquasperm, and produce planktotrophic larvae.
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Affiliation(s)
- Zhi Wang
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102 China
| | - Ting Xu
- Department of Ocean Science and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, 999077 China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
- Department of Biology and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Hong Kong, 999077 China
| | - Jian-Wen Qiu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
- Department of Biology and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Hong Kong, 999077 China
| | - Yinglu Ji
- North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao, 266061 China
| | - Zishan Yu
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003 China
| | - Caihuan Ke
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102 China
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Lee GH, Meißner K, Yoon SM, Min GS. New species of the genus Spio (Annelida, Spionidae) from the southern and western coasts of Korea. Zookeys 2021; 1070:151-164. [PMID: 34819776 PMCID: PMC8608779 DOI: 10.3897/zookeys.1070.73847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 10/12/2021] [Indexed: 12/05/2022] Open
Abstract
A new spionid polychaete, Spiopigmentatasp. nov., is described from the southern and western coasts of Korea. This new species differs from its congeners by the combination of the following morphological characteristics: the presence of orange-brown pigmentation on the anterior part of the prostomium, black pigmentation on the peristomium and along the body, U-shaped nuchal organs, a comparatively long extension of metameric dorsal ciliated organs, three pairs of white dots per chaetiger, two to three posterior abranchiate chaetigers, and the presence of tridentate neuropodial hooded hooks. The partial 16S ribosomal DNA (rDNA) and nuclear 18S rDNA sequences of the new species and Spio sp. 2 reported by Abe and Sato-Okoshi (2021) from Japan showed high similarity, indicating that these two specimens belong to the same species. A detailed description and illustrations of the new species, together with molecular information, are provided.
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Affiliation(s)
- Geon Hyeok Lee
- Department of Biological Sciences, Inha University, Incheon 22212, Republic of Korea Inha University Incheon Republic of Korea
| | - Karin Meißner
- German Centre for Marine Biodiversity Research, Senckenberg am Meer, c/o Universität Hamburg, Martin-Luther-King-Platz 3, D-20146, Hamburg, Germany c/o Universität Hamburg Hamburg Germany
| | - Seong Myeong Yoon
- Department of Biology, College of Natural Sciences, Chosun University, Gwangju 61452, Republic of Korea Chosun University Gwangju Republic of Korea
| | - Gi-Sik Min
- Department of Biological Sciences, Inha University, Incheon 22212, Republic of Korea Inha University Incheon Republic of Korea
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