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Sariyati NH, Abdul-Latiff MAB, Aifat NR, Mohd-Ridwan AR, Osman NA, Karuppannan KV, Chan E, Md-Zain BM. Molecular phylogeny confirms the subspecies delineation of the Malayan Siamang ( Symphalangussyndactyluscontinentis) and the Sumatran Siamang ( Symphalangussyndactylussyndactylus) based on the hypervariable region of mitochondrial DNA. Biodivers Data J 2024; 12:e120314. [PMID: 38707255 PMCID: PMC11069032 DOI: 10.3897/bdj.12.e120314] [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: 02/05/2024] [Accepted: 04/19/2024] [Indexed: 05/07/2024] Open
Abstract
Siamangs (Symphalangussyndactylus) are native to Peninsular Malaysia, Sumatra and southern Thailand and their taxonomical classification at subspecies level remains unclear. Morphologically, two subspecies were proposed as early as 1908 by Thomas namely Symphalangus s.syndactylus and Symphalanguss.continentis. Thus, this study aims to clarify the Siamang subspecies status, based on mtDNA D-loop sequences. Faecal samples were collected from wild Siamang populations at different localities in Peninsular Malaysia. A 600-bp sequence of the mitochondrial D-loop region was amplified from faecal DNA extracts and analysed along with GenBank sequences representing Symphalangus sp., Nomascus sp., Hylobates sp., Hoolock sp. and outgroups (Pongopygmaeus, Macacafascicularis and Papiopapio). The molecular phylogenetic analysis in this study revealed two distinct clades formed by S.s.syndactylus and S.s.continentis which supports the previous morphological delineation of the existence of two subspecies. Biogeographical analysis indicated that the Sumatran population lineage was split from the Peninsular Malaysian population lineage and a diversification occurrred in the Pliocene era (~ 3.12 MYA) through southward expansion. This postulation was supported by the molecular clock, which illustrated that the Peninsular Malaysian population (~ 1.92 MYA) diverged earlier than the Sumatran population (~ 1.85 MYA). This is the first study to use a molecular approach to validate the subspecies statuses of S.s.syndactylus and S.s.continentis. This finding will be useful for conservation management, for example, during Siamang translocation and investigations into illegal pet trade and forensics involving Malayan and Sumatran Siamangs.
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Affiliation(s)
- Nur Hartini Sariyati
- Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (Pagoh Campus), 84600, Muar, Johor, MalaysiaFaculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (Pagoh Campus)84600, Muar, JohorMalaysia
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, MalaysiaDepartment of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600Bangi, SelangorMalaysia
| | - Muhammad Abu Bakar Abdul-Latiff
- Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (Pagoh Campus), 84600, Muar, Johor, MalaysiaFaculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia (Pagoh Campus)84600, Muar, JohorMalaysia
| | - Nor Rahman Aifat
- Faculty of Tropical Forestry, Universiti Malaysia Sabah, 88400, Kota Kinabalu, Sabah, MalaysiaFaculty of Tropical Forestry, Universiti Malaysia Sabah, 88400Kota Kinabalu, SabahMalaysia
| | - Abd Rahman Mohd-Ridwan
- Centre for Pre-University Studies, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, MalaysiaCentre for Pre-University Studies, Universiti Malaysia Sarawak, 94300Kota Samarahan, SarawakMalaysia
| | - Nur Azimah Osman
- Faculty of Applied Sciences, Universiti Teknologi Mara Negeri Sembilan, 72000, Kuala Pilah, Negeri Sembilan, MalaysiaFaculty of Applied Sciences, Universiti Teknologi Mara Negeri Sembilan, 72000Kuala Pilah, Negeri SembilanMalaysia
| | - Kayal Vizi Karuppannan
- National Wildlife Forensic Laboratory (NWFL), Department of Wildlife and National Parks (PERHILITAN), 56100, Kuala Lumpur, MalaysiaNational Wildlife Forensic Laboratory (NWFL), Department of Wildlife and National Parks (PERHILITAN), 56100Kuala LumpurMalaysia
| | - Eddie Chan
- Genting Nature Adventure, Resorts World Awana Hotel, 69000, Genting Highlands, Pahang, MalaysiaGenting Nature Adventure, Resorts World Awana Hotel69000, Genting Highlands, PahangMalaysia
| | - Badrul Munir Md-Zain
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, MalaysiaDepartment of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600Bangi, SelangorMalaysia
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Abdul-Patah P, Sasaki H, Sekiguchi T, Shukor MN, Mohd-Yusof NS, Abdul-Latiff MAB, Md-Zain BM. Molecular DNA-based spatial mapping technique predicting diversity and distribution of otters (Lutrinae) in Peninsular Malaysia using non-invasive fecal samples. MAMMAL RES 2020. [DOI: 10.1007/s13364-020-00532-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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