The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae)
The tubes of polychaetes of the genus <i>Chaetopterus</i> (Annelida: Chaetopteridae) provide habitat for cryptic, symbiotic organisms that are often overlooked when examining diversity. Our study employed molecular phylogenetics to examine the diversity of symbiont species associated wit...
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| author | Shannon D. Brown Tullia I. Terraneo Jenna M. Moore Gustav Paulay Kristine N. White Michael L. Berumen Francesca Benzoni |
| author_facet | Shannon D. Brown Tullia I. Terraneo Jenna M. Moore Gustav Paulay Kristine N. White Michael L. Berumen Francesca Benzoni |
| author_sort | Shannon D. Brown |
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| description | The tubes of polychaetes of the genus <i>Chaetopterus</i> (Annelida: Chaetopteridae) provide habitat for cryptic, symbiotic organisms that are often overlooked when examining diversity. Our study employed molecular phylogenetics to examine the diversity of symbiont species associated with <i>Chaetopterus djiboutiensis</i> stat. nov., collected from the Gulf of Tadjoura, Djibouti. A total of 15 <i>Chaetopterus</i> hosts and their associated symbionts were collected from nine coastal sites. Four genetic regions were targeted for PCR amplification: the mitochondrial cytochrome oxidase subunit I and 16S rDNA and the nuclear 18S rDNA and Histone H3. <i>Chaetopterus djiboutiensis</i> was redescribed from topotypic material and elevated to species rank, and a neotype specimen was designated. Phylogenetic and morphological analysis confirmed five species associated with <i>C. djiboutiensis</i> in Djibouti: two porcelain crabs, <i>Polyonyx pedalis</i> and <i>Polyonyx socialis</i>; one nudibranch, <i>Tenellia chaetopterana</i>; one fish, <i>Onuxodon</i> sp.; and one amphipod, <i>Leucothoe</i> sp. A. As only the fourth comprehensive study on <i>Chaetopterus</i> symbionts, our study highlights the diversity and community patterns of symbionts associated with these unique tubicolous marine polychaetes. |
| format | Article |
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| spelling | doaj-art-dfa330271aec41a782d88f7d181fec3f2025-08-20T01:56:23ZengMDPI AGDiversity1424-28182025-05-0117536610.3390/d17050366The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae)Shannon D. Brown0Tullia I. Terraneo1Jenna M. Moore2Gustav Paulay3Kristine N. White4Michael L. Berumen5Francesca Benzoni6Red Sea Research Center, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi ArabiaRed Sea Research Center, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi ArabiaFlorida Museum of Natural History, University of Florida, Gainesville, FL 32611, USAFlorida Museum of Natural History, University of Florida, Gainesville, FL 32611, USADepartment of Biological and Environmental Sciences, Georgia College & State University, Milledgeville, GA 31061, USARed Sea Research Center, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi ArabiaRed Sea Research Center, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi ArabiaThe tubes of polychaetes of the genus <i>Chaetopterus</i> (Annelida: Chaetopteridae) provide habitat for cryptic, symbiotic organisms that are often overlooked when examining diversity. Our study employed molecular phylogenetics to examine the diversity of symbiont species associated with <i>Chaetopterus djiboutiensis</i> stat. nov., collected from the Gulf of Tadjoura, Djibouti. A total of 15 <i>Chaetopterus</i> hosts and their associated symbionts were collected from nine coastal sites. Four genetic regions were targeted for PCR amplification: the mitochondrial cytochrome oxidase subunit I and 16S rDNA and the nuclear 18S rDNA and Histone H3. <i>Chaetopterus djiboutiensis</i> was redescribed from topotypic material and elevated to species rank, and a neotype specimen was designated. Phylogenetic and morphological analysis confirmed five species associated with <i>C. djiboutiensis</i> in Djibouti: two porcelain crabs, <i>Polyonyx pedalis</i> and <i>Polyonyx socialis</i>; one nudibranch, <i>Tenellia chaetopterana</i>; one fish, <i>Onuxodon</i> sp.; and one amphipod, <i>Leucothoe</i> sp. A. As only the fourth comprehensive study on <i>Chaetopterus</i> symbionts, our study highlights the diversity and community patterns of symbionts associated with these unique tubicolous marine polychaetes.https://www.mdpi.com/1424-2818/17/5/366Polychaetasymbiotic communitiesIndo-Pacificbenthic diversity |
| spellingShingle | Shannon D. Brown Tullia I. Terraneo Jenna M. Moore Gustav Paulay Kristine N. White Michael L. Berumen Francesca Benzoni The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) Diversity Polychaeta symbiotic communities Indo-Pacific benthic diversity |
| title | The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) |
| title_full | The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) |
| title_fullStr | The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) |
| title_full_unstemmed | The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) |
| title_short | The Diversity and Phylogenetic Relationships of a <i>Chaetopterus</i> Symbiont Community in Djibouti, with Redescription of <i>Chaetopterus djiboutiensis</i> Gravier, 1906 Stat. Nov. (Annelida: Chaetopteridae) |
| title_sort | diversity and phylogenetic relationships of a i chaetopterus i symbiont community in djibouti with redescription of i chaetopterus djiboutiensis i gravier 1906 stat nov annelida chaetopteridae |
| topic | Polychaeta symbiotic communities Indo-Pacific benthic diversity |
| url | https://www.mdpi.com/1424-2818/17/5/366 |
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