Please use this identifier to cite or link to this item: https://doi.org/10.3390/f8120483
Title: Vicariance and oceanic barriers drive contemporary genetic structure of widespread mangrove species Sonneratia alba J. Sm in the Indo-West Pacific
Authors: Wee, A.K.S 
Teo, J.X.H
Chua, J.L 
Takayama, K
Asakawa, T
Meenakshisundaram, S.H
Onrizal, Faculty of Forestry, Universitas Sumatera Utara, Medan, 20155, Indonesia
Adjie, B
Ardli, E.R
Sungkaew, S
Suleiman, M
Tung, N.X
Salmo, S.G
Yllano, O.B
Nazre Saleh, M
Soe, K.K
Tateishi, Y
Watano, Y
Tsuda, Y
Kajita, T
Webb, E.L 
Keywords: Biodiversity
Ecology
Geographical distribution
Biogeography
Gene flows
Genetic divergence
Genetic diversity
Phylogeography
Sea dispersal
Plants (botany)
barrier island
biogeography
divergence
gene flow
genetic structure
geographical distribution
mangrove
phylogeography
vicariance
Biological Populations
Genetic Engineering
Mangrove
Indian Ocean
Pacific Ocean
Pacific Ocean (West)
Rhizophoraceae
Sonneratia alba
Issue Date: 2017
Publisher: MDPI AG
Citation: Wee, A.K.S, Teo, J.X.H, Chua, J.L, Takayama, K, Asakawa, T, Meenakshisundaram, S.H, Onrizal, Faculty of Forestry, Universitas Sumatera Utara, Medan, 20155, Indonesia, Adjie, B, Ardli, E.R, Sungkaew, S, Suleiman, M, Tung, N.X, Salmo, S.G, Yllano, O.B, Nazre Saleh, M, Soe, K.K, Tateishi, Y, Watano, Y, Tsuda, Y, Kajita, T, Webb, E.L (2017). Vicariance and oceanic barriers drive contemporary genetic structure of widespread mangrove species Sonneratia alba J. Sm in the Indo-West Pacific. Forests 8 (12) : 483. ScholarBank@NUS Repository. https://doi.org/10.3390/f8120483
Abstract: Patterns of genetic structure are essential for a comprehensive understanding of the evolution and biogeography of a species. Here, we investigated the genetic patterns of one of the most widespread and abundant mangrove species in the Indo-West Pacific, Sonneratia alba J. Sm., in order to gain insights into the ecological and evolutionary drivers of genetic structure in mangroves. We employed 11 nuclear microsatellite loci and two chloroplast regions to genotyped 25 S. alba populations. Our objectives were to (1) assess the level of genetic diversity and its geographic distribution; and (2) determine the genetic structure of the populations. Our results revealed significant genetic differentiation among populations. We detected a major genetic break between Indo-Malesia and Australasia, and further population subdivision within each oceanic region in these two major clusters. The phylogeographic patterns indicated a strong influence of vicariance, oceanic barriers and geographic distance on genetic structure. In addition, we found low genetic diversity and high genetic drift at range edge. This study advances the scope of mangrove biogeography by demonstrating a unique scenario whereby a widespread species has limited dispersal and high genetic divergence among populations. © 2017 by the authors.
Source Title: Forests
URI: https://scholarbank.nus.edu.sg/handle/10635/174367
ISSN: 1999-4907
DOI: 10.3390/f8120483
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