Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region
Xylocarpus granatum J. Koenig is one of the most widespread core component species of mangrove forests in the Indo-West Pacific (IWP) region, and as such is suitable for examining how genetic structure is generated across spatiotemporal scales. We evaluated the genetic structure of this species usin...
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my.upm.eprints.619552019-03-08T00:52:11Z http://psasir.upm.edu.my/id/eprint/61955/ Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region Tomizawa, Yuki Tsuda, Yoshiaki Saleh @ Japri, Mohd Nazre Wee, Alison K. S. Takayama, Koji Yamamoto, Takashi Yllano, Orlex Baylen Salmo III, Severino G. Sungkaew, Sarawood Adjie, Bayu Ardli, Erwin Suleiman, Monica Nguyen, Xuan Tung Soe, Khin Khin Kandasamy, Kathiresan Asakawa, Takeshi Watano, Yasuyuki Baba, Shigeyuki Kajita, Tadashi Xylocarpus granatum J. Koenig is one of the most widespread core component species of mangrove forests in the Indo-West Pacific (IWP) region, and as such is suitable for examining how genetic structure is generated across spatiotemporal scales. We evaluated the genetic structure of this species using maternally inherited chloroplast (cp) and bi-parentally inherited nuclear DNA markers, with samples collected across the species range. Both cp and nuclear DNA showed generally similar patterns, revealing three genetic groups in the Indian Ocean, South China Sea (with Palau), and Oceania, respectively. The genetic diversity of the Oceania group was significantly lower, and the level of population differentiation within the Oceania group was significantly higher, than in the South China Sea group. These results revealed that in addition to the Malay Peninsula—a common land barrier for mangroves—there is a genetic barrier in an oceanic region of the West Pacific that prevents gene flow among populations. Moreover, demographic inference suggested that these patterns were generated in relation to sea level changes during the last glacial period and the emergence of Sahul Shelf which lied northwest of Australia. We propose that the three genetic groups should be considered independent conservation units, and that the Oceania group has a higher conservation priority. MDPI 2017 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/61955/1/Genetic%20structure%20and%20population%20demographic.pdf Tomizawa, Yuki and Tsuda, Yoshiaki and Saleh @ Japri, Mohd Nazre and Wee, Alison K. S. and Takayama, Koji and Yamamoto, Takashi and Yllano, Orlex Baylen and Salmo III, Severino G. and Sungkaew, Sarawood and Adjie, Bayu and Ardli, Erwin and Suleiman, Monica and Nguyen, Xuan Tung and Soe, Khin Khin and Kandasamy, Kathiresan and Asakawa, Takeshi and Watano, Yasuyuki and Baba, Shigeyuki and Kajita, Tadashi (2017) Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region. Forests, 8 (12). pp. 1-18. ISSN 1999-4907 https://www.mdpi.com/1999-4907/8/12 10.3390/f8120480 |
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Xylocarpus granatum J. Koenig is one of the most widespread core component species of mangrove forests in the Indo-West Pacific (IWP) region, and as such is suitable for examining how genetic structure is generated across spatiotemporal scales. We evaluated the genetic structure of this species using maternally inherited chloroplast (cp) and bi-parentally inherited nuclear DNA markers, with samples collected across the species range. Both cp and nuclear DNA showed generally similar patterns, revealing three genetic groups in the Indian Ocean, South China Sea (with Palau), and Oceania, respectively. The genetic diversity of the Oceania group was significantly lower, and the level of population differentiation within the Oceania group was significantly higher, than in the South China Sea group. These results revealed that in addition to the Malay Peninsula—a common land barrier for mangroves—there is a genetic barrier in an oceanic region of the West Pacific that prevents gene flow among populations. Moreover, demographic inference suggested that these patterns were generated in relation to sea level changes during the last glacial period and the emergence of Sahul Shelf which lied northwest of Australia. We propose that the three genetic groups should be considered independent conservation units, and that the Oceania group has a higher conservation priority. |
| format |
Article |
| author |
Tomizawa, Yuki Tsuda, Yoshiaki Saleh @ Japri, Mohd Nazre Wee, Alison K. S. Takayama, Koji Yamamoto, Takashi Yllano, Orlex Baylen Salmo III, Severino G. Sungkaew, Sarawood Adjie, Bayu Ardli, Erwin Suleiman, Monica Nguyen, Xuan Tung Soe, Khin Khin Kandasamy, Kathiresan Asakawa, Takeshi Watano, Yasuyuki Baba, Shigeyuki Kajita, Tadashi |
| spellingShingle |
Tomizawa, Yuki Tsuda, Yoshiaki Saleh @ Japri, Mohd Nazre Wee, Alison K. S. Takayama, Koji Yamamoto, Takashi Yllano, Orlex Baylen Salmo III, Severino G. Sungkaew, Sarawood Adjie, Bayu Ardli, Erwin Suleiman, Monica Nguyen, Xuan Tung Soe, Khin Khin Kandasamy, Kathiresan Asakawa, Takeshi Watano, Yasuyuki Baba, Shigeyuki Kajita, Tadashi Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| author_facet |
Tomizawa, Yuki Tsuda, Yoshiaki Saleh @ Japri, Mohd Nazre Wee, Alison K. S. Takayama, Koji Yamamoto, Takashi Yllano, Orlex Baylen Salmo III, Severino G. Sungkaew, Sarawood Adjie, Bayu Ardli, Erwin Suleiman, Monica Nguyen, Xuan Tung Soe, Khin Khin Kandasamy, Kathiresan Asakawa, Takeshi Watano, Yasuyuki Baba, Shigeyuki Kajita, Tadashi |
| author_sort |
Tomizawa, Yuki |
| title |
Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| title_short |
Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| title_full |
Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| title_fullStr |
Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| title_full_unstemmed |
Genetic structure and population demographic history of a widespread mangrove plant Xylocarpus granatum J. Koenig across the Indo-West Pacific region |
| title_sort |
genetic structure and population demographic history of a widespread mangrove plant xylocarpus granatum j. koenig across the indo-west pacific region |
| publisher |
MDPI |
| publishDate |
2017 |
| url |
http://psasir.upm.edu.my/id/eprint/61955/1/Genetic%20structure%20and%20population%20demographic.pdf http://psasir.upm.edu.my/id/eprint/61955/ https://www.mdpi.com/1999-4907/8/12 |
| _version_ |
1643837633686667264 |
| score |
13.211869 |