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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology
Wan Omar, Wan Bayani
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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LIMITED SEED DISPERSAL MAY SHAPE GENETIC STRUCTURE OF Hydnophytum formicarum Jack. POPULATIONS IN MANGROVE ECOSYSTEM Yusoff, Abdul Shukor; Wan Omar, Wan Bayani; Rohani, Shahrudin
BIOTROPIA Vol. 27 No. 2 (2020): BIOTROPIA Vol. 27 No. 2 August 2020
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.531 KB) | DOI: 10.11598/btb.2020.27.2.1198

Abstract

Hydnophytum formicarum is an epiphytic plant commonly distributed throughout Southeast Asia. However, its distribution is currently declining due to forest fragmentation and the subsequent habitat changes, which may have also affected the genetic structure of H. formicarum populations. Hence, this study aimed to understand the genetic variation and differentiation within and among populations of this species. Using Random Amplified Polymorphic DNA (RAPD) markers, the genetic variation and genetic differentiation among three populations were assessed to identify potential conservation management strategies for this species in the mangrove ecosystem in Malaysia. Ten highly reproducible primers were used in the population analysis, resulting in a total of 221 discernible fragments. Genetic variation among populations was high at 98% polymorphic fragments. AMOVA showed significant genetic differentiation among the populations (PT = 0.554, p ≤ 0.001), with pairwise genetic distances between the populations ranging from 0.495 to 0.589. PCoA clustering analysis separated the populations according to their geographical locations. The high genetic variation within populations, high genetic differentiation between populations, and clear separation in the cluster analysis indicate restricted seed dispersal of the species.
Co-Authors Rohani, Shahrudin Yusoff, Abdul Shukor