Re-evaluation of phylogenetic relationships among species of the mangrove genus Avicennia from Indo-West Pacific based on multilocus analyses
Li, Xinnian, Duke, Norman C., Yang, Yuchen, Huang, Lishi, Zhu, Yuxiang, Zhang, Zhang, Zhou, Renchao, Zhong, Cairong, Huang, Yelin, and Sia, Suhua (2016) Re-evaluation of phylogenetic relationships among species of the mangrove genus Avicennia from Indo-West Pacific based on multilocus analyses. PLoS ONE, 11 (10). e0164453. pp. 1-14.
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Abstract
Avicennia L. (Avicenniaceae), one of the most diverse mangrove genera, is distributed widely in tropical and subtropical intertidal zones worldwide. Five species of Avicennia in the Indo-West Pacific region have been previously described. However, their phylogenetic relationships were determined based on morphological and allozyme data. To enhance our understanding of evolutionary patterns in the clade, we carried out a molecular phylogenetic study using wide sampling and multiple loci. Our results support two monophyletic clades across all species worldwide in Avicennia: an Atlantic-East Pacific (AEP) lineage and an Indo-West Pacific (IWP) lineage. This split is in line with biogeographic distribution of the clade. Focusing on the IWP branch, we reconstructed a detailed phylogenetic tree based on sequences from 25 nuclear genes. The results identified three distinct subclades, (1) A. rumphiana and A. alba, (2) A. officinalis and A. integra, and (3) the A. marina complex, with high bootstrap support. The results strongly corresponded to two morphological traits in floral structure: stigma position in relation to the anthers and style length. Using Bayesian dating methods we estimated diversification of the IWP lineage was dated to late Miocene (c. 6.0 million years ago) and may have been driven largely by the fluctuating sea levels since that time.
| Item ID: | 46149 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1932-6203 |
| Additional Information: | © 2016 Li et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. https://creativecommons.org/licenses/by/4.0/ |
| Funders: | National Natural Science Foundation of China (NNSFC), Science Foundation of State Key Laboratory of Biocontrol (SFSKLB), Chang Hungta Science Foundation (CHSF), Sun Yat-sen University (SYSU) |
| Projects and Grants: | NNSFC 41130208, NNSFC 91331202, NNSFC 41276107, SFSKLB SKLBC 16A35 |
| Date Deposited: | 21 Oct 2016 04:29 |
| FoR Codes: | 31 BIOLOGICAL SCIENCES > 3104 Evolutionary biology > 310406 Evolutionary impacts of climate change @ 40% 31 BIOLOGICAL SCIENCES > 3105 Genetics > 310599 Genetics not elsewhere classified @ 30% 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410401 Conservation and biodiversity @ 30% |
| SEO Codes: | 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments @ 40% 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960802 Coastal and Estuarine Flora, Fauna and Biodiversity @ 30% 96 ENVIRONMENT > 9613 Remnant Vegetation and Protected Conservation Areas > 961304 Remnant Vegetation and Protected Conservation Areas in Coastal and Estuarine Environments @ 30% |
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