A genetic diversity assessment of Halymenia malaysiana (Halymeniaceae, Rhodophyta) from Malaysia and the Philippines based on COI-5P and rbcL sequences

Tan, Pui Ling and Lim, Phaik Eem and Lin, Showe Mei and Phang, Siew Moi and Draisma, Stefano G.A. and Liao, Lawrence Manzano (2018) A genetic diversity assessment of Halymenia malaysiana (Halymeniaceae, Rhodophyta) from Malaysia and the Philippines based on COI-5P and rbcL sequences. Journal of Applied Phycology, 30 (6). pp. 3445-3454. ISSN 0921-8971

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Official URL: https://doi.org/10.1007/s10811-018-1484-4

Abstract

Little is known about the genetic diversity and phylogeographic structure of seaweeds in Southeast Asia particularly for Halymenia species. Herein, molecular analyses based on DNA sequences of the COI-5P and rbcL were performed to assess the genetic structure within the foliose Halymenia species H. malaysiana in Malaysia and the Philippines. A total of ten COI-5P haplotypes and eight rbcL haplotypes were recognized from 42 specimens of H. malaysiana examined in this study. The genetic diversities of H. malaysiana were relatively higher based on the COI-5P sequences compared with the rbcL sequences. The results showed that populations from Peninsular Malaysia (East, South, and West coast) were genetically homogenous and exhibited low level of genetic divergence from populations from East Malaysia. In contrast, populations from the Philippines were distinct from Malaysian populations. Site-specific distribution was also evident in the Philippine populations of H. malaysiana.

Item Type: Article
Uncontrolled Keywords: COI-5P; Genetic variation; Halymenia malaysiana; Phylogeography; rbcL; Red algae; Rhodophyta
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Feb 2019 02:54
Last Modified: 27 Feb 2019 02:54
URI: http://eprints.um.edu.my/id/eprint/20525

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