The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights
: Antarctic krill (Euphausia superba) is Earth's most abundant wild animal, and its enormous biomass is vital to the Southern Ocean ecosystem. Here, we report a 48.01-Gb chromosome-level Antarctic krill genome, whose large genome size appears to have resulted from inter-genic transposable eleme...
Published in: | Cell |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Cell Press
2023
|
Subjects: | |
Online Access: | https://hdl.handle.net/11577/3472081 https://doi.org/10.1016/j.cell.2023.02.005 |
id |
ftunivpadovairis:oai:www.research.unipd.it:11577/3472081 |
---|---|
record_format |
openpolar |
spelling |
ftunivpadovairis:oai:www.research.unipd.it:11577/3472081 2024-04-14T08:02:34+00:00 The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi 2023 STAMPA https://hdl.handle.net/11577/3472081 https://doi.org/10.1016/j.cell.2023.02.005 eng eng Cell Press info:eu-repo/semantics/altIdentifier/pmid/36868220 info:eu-repo/semantics/altIdentifier/wos/WOS:000958684800001 volume:186 issue:6 firstpage:1279 lastpage:1294 numberofpages:16 journal:CELL https://hdl.handle.net/11577/3472081 doi:10.1016/j.cell.2023.02.005 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85149902429 info:eu-repo/semantics/openAccess Antarctic krill (Euphausia superba) chromosome-level genome circadian clock environmental adaptation giant genome size population demography population differentiation repeat expansions info:eu-repo/semantics/article 2023 ftunivpadovairis https://doi.org/10.1016/j.cell.2023.02.005 2024-03-21T18:49:07Z : Antarctic krill (Euphausia superba) is Earth's most abundant wild animal, and its enormous biomass is vital to the Southern Ocean ecosystem. Here, we report a 48.01-Gb chromosome-level Antarctic krill genome, whose large genome size appears to have resulted from inter-genic transposable element expansions. Our assembly reveals the molecular architecture of the Antarctic krill circadian clock and uncovers expanded gene families associated with molting and energy metabolism, providing insights into adaptations to the cold and highly seasonal Antarctic environment. Population-level genome re-sequencing from four geographical sites around the Antarctic continent reveals no clear population structure but highlights natural selection associated with environmental variables. An apparent drastic reduction in krill population size 10 mya and a subsequent rebound 100 thousand years ago coincides with climate change events. Our findings uncover the genomic basis of Antarctic krill adaptations to the Southern Ocean and provide valuable resources for future Antarctic research. Article in Journal/Newspaper Antarc* Antarctic Antarctic Krill Euphausia superba Southern Ocean Padua Research Archive (IRIS - Università degli Studi di Padova) Antarctic Southern Ocean The Antarctic Cell 186 6 1279 1294.e19 |
institution |
Open Polar |
collection |
Padua Research Archive (IRIS - Università degli Studi di Padova) |
op_collection_id |
ftunivpadovairis |
language |
English |
topic |
Antarctic krill (Euphausia superba) chromosome-level genome circadian clock environmental adaptation giant genome size population demography population differentiation repeat expansions |
spellingShingle |
Antarctic krill (Euphausia superba) chromosome-level genome circadian clock environmental adaptation giant genome size population demography population differentiation repeat expansions Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
topic_facet |
Antarctic krill (Euphausia superba) chromosome-level genome circadian clock environmental adaptation giant genome size population demography population differentiation repeat expansions |
description |
: Antarctic krill (Euphausia superba) is Earth's most abundant wild animal, and its enormous biomass is vital to the Southern Ocean ecosystem. Here, we report a 48.01-Gb chromosome-level Antarctic krill genome, whose large genome size appears to have resulted from inter-genic transposable element expansions. Our assembly reveals the molecular architecture of the Antarctic krill circadian clock and uncovers expanded gene families associated with molting and energy metabolism, providing insights into adaptations to the cold and highly seasonal Antarctic environment. Population-level genome re-sequencing from four geographical sites around the Antarctic continent reveals no clear population structure but highlights natural selection associated with environmental variables. An apparent drastic reduction in krill population size 10 mya and a subsequent rebound 100 thousand years ago coincides with climate change events. Our findings uncover the genomic basis of Antarctic krill adaptations to the Southern Ocean and provide valuable resources for future Antarctic research. |
author2 |
Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi |
format |
Article in Journal/Newspaper |
author |
Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi |
author_facet |
Shao, Changwei Sun, Shuai Liu, Kaiqiang Wang, Jiahao Li, Shuo Liu, Qun Deagle, Bruce E Seim, Inge Biscontin, Alberto Wang, Qian Liu, Xin Kawaguchi, So Liu, Yalin Jarman, Simon Wang, Yue Wang, Hong-Yan Huang, Guodong Hu, Jiang Feng, Bo De Pittà, Cristiano Liu, Shanshan Wang, Rui Ma, Kailong Ying, Yiping Sales, Gabriele Sun, Tao Wang, Xinliang Zhang, Yaolei Zhao, Yunxia Pan, Shanshan Hao, Xiancai Wang, Yang Xu, Jiakun Yue, Bowen Sun, Yanxu Zhang, He Xu, Mengyang Liu, Yuyan Jia, Xiaodong Zhu, Jiancheng Liu, Shufang Ruan, Jue Zhang, Guojie Yang, Huanming Xu, Xun Wang, Jun Zhao, Xianyong Meyer, Bettina Fan, Guangyi |
author_sort |
Shao, Changwei |
title |
The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
title_short |
The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
title_full |
The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
title_fullStr |
The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
title_full_unstemmed |
The enormous repetitive Antarctic krill genome reveals environmental adaptations and population insights |
title_sort |
enormous repetitive antarctic krill genome reveals environmental adaptations and population insights |
publisher |
Cell Press |
publishDate |
2023 |
url |
https://hdl.handle.net/11577/3472081 https://doi.org/10.1016/j.cell.2023.02.005 |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Antarctic Krill Euphausia superba Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Krill Euphausia superba Southern Ocean |
op_relation |
info:eu-repo/semantics/altIdentifier/pmid/36868220 info:eu-repo/semantics/altIdentifier/wos/WOS:000958684800001 volume:186 issue:6 firstpage:1279 lastpage:1294 numberofpages:16 journal:CELL https://hdl.handle.net/11577/3472081 doi:10.1016/j.cell.2023.02.005 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85149902429 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1016/j.cell.2023.02.005 |
container_title |
Cell |
container_volume |
186 |
container_issue |
6 |
container_start_page |
1279 |
op_container_end_page |
1294.e19 |
_version_ |
1796315835378171904 |