Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences

This study aimed to determine phylogenetic relationship between and among selected species of sea cucumbers (Echinodermata: Holothuroidea) using 16S mitochondrial ribosomal RNA (rRNA) gene. Phylogenetic analyses of 37 partial sequences of 16S mitochondrial rRNA gene using three main methods namely n...

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Những tác giả chính: Kamarudin, Kamarul Rahim, Hashim, Ridzwan, Usup, Gires
Định dạng: Bài viết
Ngôn ngữ:English
Được phát hành: Penerbit UKM 2010
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Truy cập trực tuyến:http://irep.iium.edu.my/10708/1/08_Kamarul_Rahim.pdf
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author Kamarudin, Kamarul Rahim
Hashim, Ridzwan
Usup, Gires
author_facet Kamarudin, Kamarul Rahim
Hashim, Ridzwan
Usup, Gires
author_sort Kamarudin, Kamarul Rahim
collection IIUM
description This study aimed to determine phylogenetic relationship between and among selected species of sea cucumbers (Echinodermata: Holothuroidea) using 16S mitochondrial ribosomal RNA (rRNA) gene. Phylogenetic analyses of 37 partial sequences of 16S mitochondrial rRNA gene using three main methods namely neighbour joining (NJ), maximum parsimony (MP) and maximum likelihood (ML) showed the presence of five main genera of sea cucumbers: Molpadia from order Molpadiida and four genera of order Aspidochirotida namely Holothuria, Stichopus, Bohadschia and Actinopyga. All of the 17 species obtained from Malaysia distributed among the main genera except within Interestingly, Holothuria excellens was out of Holothuria group causing Holothuria to be paraphyletic. High bootstrap value and consistent clustering made Molpadia, Stichopus, Bohadschia and Actinopyga monophyletic. The relationship of with the other genera was unclarified and Stichopus was sister to Molpadia. The latter finding caused the resolution at order level unclear. The pairwise genetic distance calculated using Kimura 2-parameter model further supported and verified findings from the phylogenetic trees. Further studies with more samples and different mitochondrial DNA genes need to be done to get a better view and verification on the molecular phylogeny of sea cucumbers.
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spelling oai:generic.eprints.org:107082011-12-20T00:25:10Z http://irep.iium.edu.my/10708/ Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences Kamarudin, Kamarul Rahim Hashim, Ridzwan Usup, Gires RS Pharmacy and materia medica SH Aquaculture. Fisheries. Angling This study aimed to determine phylogenetic relationship between and among selected species of sea cucumbers (Echinodermata: Holothuroidea) using 16S mitochondrial ribosomal RNA (rRNA) gene. Phylogenetic analyses of 37 partial sequences of 16S mitochondrial rRNA gene using three main methods namely neighbour joining (NJ), maximum parsimony (MP) and maximum likelihood (ML) showed the presence of five main genera of sea cucumbers: Molpadia from order Molpadiida and four genera of order Aspidochirotida namely Holothuria, Stichopus, Bohadschia and Actinopyga. All of the 17 species obtained from Malaysia distributed among the main genera except within Interestingly, Holothuria excellens was out of Holothuria group causing Holothuria to be paraphyletic. High bootstrap value and consistent clustering made Molpadia, Stichopus, Bohadschia and Actinopyga monophyletic. The relationship of with the other genera was unclarified and Stichopus was sister to Molpadia. The latter finding caused the resolution at order level unclear. The pairwise genetic distance calculated using Kimura 2-parameter model further supported and verified findings from the phylogenetic trees. Further studies with more samples and different mitochondrial DNA genes need to be done to get a better view and verification on the molecular phylogeny of sea cucumbers. Penerbit UKM 2010 Article PeerReviewed application/pdf en http://irep.iium.edu.my/10708/1/08_Kamarul_Rahim.pdf Kamarudin, Kamarul Rahim and Hashim, Ridzwan and Usup, Gires (2010) Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences. Sains Malaysiana, 39 (2). pp. 209-218. ISSN 0126-6039 http://pkukmweb.ukm.my/~jsm/pdf_files/SM-PDF-39-2-2010/08%20Kamarul%20Rahim.pdf
spellingShingle RS Pharmacy and materia medica
SH Aquaculture. Fisheries. Angling
Kamarudin, Kamarul Rahim
Hashim, Ridzwan
Usup, Gires
Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title_full Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title_fullStr Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title_full_unstemmed Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title_short Phylogeny of sea cucumber (Echinodermata: Holothuroidea) as inferred from 16S mitochondrial rRNA gene sequences
title_sort phylogeny of sea cucumber echinodermata holothuroidea as inferred from 16s mitochondrial rrna gene sequences
topic RS Pharmacy and materia medica
SH Aquaculture. Fisheries. Angling
url http://irep.iium.edu.my/10708/1/08_Kamarul_Rahim.pdf
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AT hashimridzwan phylogenyofseacucumberechinodermataholothuroideaasinferredfrom16smitochondrialrrnagenesequences
AT usupgires phylogenyofseacucumberechinodermataholothuroideaasinferredfrom16smitochondrialrrnagenesequences