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An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species
The Indo-Pacific humpback dolphin (Sousa chinensis) is a small inshore species of odontocete cetacean listed as Vulnerable on the IUCN Red List. Here, we report on the evolution of S. chinensis chromosomes from its cetruminant ancestor and elucidate the evolutionary history and population genetics o...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Elsevier
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7569330/ https://www.ncbi.nlm.nih.gov/pubmed/33103078 http://dx.doi.org/10.1016/j.isci.2020.101640 |
| _version_ | 1783596708330995712 |
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| author | Zhang, Peijun Zhao, Yong Li, Chang Lin, Mingli Dong, Lijun Zhang, Rui Liu, Mingzhong Li, Kuan Zhang, He Liu, Xiaochuan Zhang, Yaolei Yuan, Yuan Liu, Huan Seim, Inge Sun, Shuai Du, Xiao Chang, Yue Li, Feida Liu, Shanshan Lee, Simon Ming-Yuen Wang, Kun Wang, Ding Wang, Xianyan McGowen, Michael R. Jefferson, Thomas A. Olsen, Morten Tange Stiller, Josefin Zhang, Guojie Xu, Xun Yang, Huanming Fan, Guangyi Liu, Xin Li, Songhai |
| author_facet | Zhang, Peijun Zhao, Yong Li, Chang Lin, Mingli Dong, Lijun Zhang, Rui Liu, Mingzhong Li, Kuan Zhang, He Liu, Xiaochuan Zhang, Yaolei Yuan, Yuan Liu, Huan Seim, Inge Sun, Shuai Du, Xiao Chang, Yue Li, Feida Liu, Shanshan Lee, Simon Ming-Yuen Wang, Kun Wang, Ding Wang, Xianyan McGowen, Michael R. Jefferson, Thomas A. Olsen, Morten Tange Stiller, Josefin Zhang, Guojie Xu, Xun Yang, Huanming Fan, Guangyi Liu, Xin Li, Songhai |
| author_sort | Zhang, Peijun |
| collection | PubMed |
| description | The Indo-Pacific humpback dolphin (Sousa chinensis) is a small inshore species of odontocete cetacean listed as Vulnerable on the IUCN Red List. Here, we report on the evolution of S. chinensis chromosomes from its cetruminant ancestor and elucidate the evolutionary history and population genetics of two neighboring S. chinensis populations. We found that breakpoints in ancestral chromosomes leading to S. chinensis could have affected the function of genes related to kidney filtration, body development, and immunity. Resequencing of individuals from two neighboring populations in the northwestern South China Sea, Leizhou Bay and Sanniang Bay, revealed genetic differentiation, low diversity, and small contemporary effective population sizes. Demographic analyses showed a marked decrease in the population size of the two investigated populations over the last ~4,000 years, possibly related to climatic oscillations. This study implies a high risk of extinction and strong conservation requirement for the Indo-Pacific humpback dolphin. |
| format | Online Article Text |
| id | pubmed-7569330 |
| institution | National Center for Biotechnology Information |
| language | English |
| publishDate | 2020 |
| publisher | Elsevier |
| record_format | MEDLINE/PubMed |
| spelling | pubmed-75693302020-10-22 An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species Zhang, Peijun Zhao, Yong Li, Chang Lin, Mingli Dong, Lijun Zhang, Rui Liu, Mingzhong Li, Kuan Zhang, He Liu, Xiaochuan Zhang, Yaolei Yuan, Yuan Liu, Huan Seim, Inge Sun, Shuai Du, Xiao Chang, Yue Li, Feida Liu, Shanshan Lee, Simon Ming-Yuen Wang, Kun Wang, Ding Wang, Xianyan McGowen, Michael R. Jefferson, Thomas A. Olsen, Morten Tange Stiller, Josefin Zhang, Guojie Xu, Xun Yang, Huanming Fan, Guangyi Liu, Xin Li, Songhai iScience Article The Indo-Pacific humpback dolphin (Sousa chinensis) is a small inshore species of odontocete cetacean listed as Vulnerable on the IUCN Red List. Here, we report on the evolution of S. chinensis chromosomes from its cetruminant ancestor and elucidate the evolutionary history and population genetics of two neighboring S. chinensis populations. We found that breakpoints in ancestral chromosomes leading to S. chinensis could have affected the function of genes related to kidney filtration, body development, and immunity. Resequencing of individuals from two neighboring populations in the northwestern South China Sea, Leizhou Bay and Sanniang Bay, revealed genetic differentiation, low diversity, and small contemporary effective population sizes. Demographic analyses showed a marked decrease in the population size of the two investigated populations over the last ~4,000 years, possibly related to climatic oscillations. This study implies a high risk of extinction and strong conservation requirement for the Indo-Pacific humpback dolphin. Elsevier 2020-10-03 /pmc/articles/PMC7569330/ /pubmed/33103078 http://dx.doi.org/10.1016/j.isci.2020.101640 Text en © 2020 The Authors http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
| spellingShingle | Article Zhang, Peijun Zhao, Yong Li, Chang Lin, Mingli Dong, Lijun Zhang, Rui Liu, Mingzhong Li, Kuan Zhang, He Liu, Xiaochuan Zhang, Yaolei Yuan, Yuan Liu, Huan Seim, Inge Sun, Shuai Du, Xiao Chang, Yue Li, Feida Liu, Shanshan Lee, Simon Ming-Yuen Wang, Kun Wang, Ding Wang, Xianyan McGowen, Michael R. Jefferson, Thomas A. Olsen, Morten Tange Stiller, Josefin Zhang, Guojie Xu, Xun Yang, Huanming Fan, Guangyi Liu, Xin Li, Songhai An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title | An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title_full | An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title_fullStr | An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title_full_unstemmed | An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title_short | An Indo-Pacific Humpback Dolphin Genome Reveals Insights into Chromosome Evolution and the Demography of a Vulnerable Species |
| title_sort | indo-pacific humpback dolphin genome reveals insights into chromosome evolution and the demography of a vulnerable species |
| topic | Article |
| url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7569330/ https://www.ncbi.nlm.nih.gov/pubmed/33103078 http://dx.doi.org/10.1016/j.isci.2020.101640 |
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