Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome
The germline genome of the binucleated ciliate Tetrahymena thermophila undergoes programmed chromosome breakage and massive DNA elimination to generate the somatic genome. Here, we present a complete sequence assembly of the germline genome and analyze multiple features of its structure and its rela...
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eLife Sciences Publications, Ltd
2016
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5182062/ |
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pubmed-51820622016-12-27 Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome Hamilton, Eileen P Kapusta, Aurélie Huvos, Piroska E Bidwell, Shelby L Zafar, Nikhat Tang, Haibao Hadjithomas, Michalis Krishnakumar, Vivek Badger, Jonathan H Caler, Elisabet V Russ, Carsten Zeng, Qiandong Fan, Lin Levin, Joshua Z Shea, Terrance Young, Sarah K Hegarty, Ryan Daza, Riza Gujja, Sharvari Wortman, Jennifer R Birren, Bruce W Nusbaum, Chad Thomas, Jainy Carey, Clayton M Pritham, Ellen J Feschotte, Cédric Noto, Tomoko Mochizuki, Kazufumi Papazyan, Romeo Taverna, Sean D Dear, Paul H Cassidy-Hanley, Donna M Xiong, Jie Miao, Wei Orias, Eduardo Coyne, Robert S Genes and Chromosomes The germline genome of the binucleated ciliate Tetrahymena thermophila undergoes programmed chromosome breakage and massive DNA elimination to generate the somatic genome. Here, we present a complete sequence assembly of the germline genome and analyze multiple features of its structure and its relationship to the somatic genome, shedding light on the mechanisms of genome rearrangement as well as the evolutionary history of this remarkable germline/soma differentiation. Our results strengthen the notion that a complex, dynamic, and ongoing interplay between mobile DNA elements and the host genome have shaped Tetrahymena chromosome structure, locally and globally. Non-standard outcomes of rearrangement events, including the generation of short-lived somatic chromosomes and excision of DNA interrupting protein-coding regions, may represent novel forms of developmental gene regulation. We also compare Tetrahymena’s germline/soma differentiation to that of other characterized ciliates, illustrating the wide diversity of adaptations that have occurred within this phylum. eLife Sciences Publications, Ltd 2016-11-28 /pmc/articles/PMC5182062/ /pubmed/27892853 http://dx.doi.org/10.7554/eLife.19090 Text en http://creativecommons.org/publicdomain/zero/1.0/ This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication (http://creativecommons.org/publicdomain/zero/1.0/) . |
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Open Access Journal |
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Foreign Institution |
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US National Center for Biotechnology Information |
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NCBI PubMed |
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Online Access |
language |
English |
format |
Online |
author |
Hamilton, Eileen P Kapusta, Aurélie Huvos, Piroska E Bidwell, Shelby L Zafar, Nikhat Tang, Haibao Hadjithomas, Michalis Krishnakumar, Vivek Badger, Jonathan H Caler, Elisabet V Russ, Carsten Zeng, Qiandong Fan, Lin Levin, Joshua Z Shea, Terrance Young, Sarah K Hegarty, Ryan Daza, Riza Gujja, Sharvari Wortman, Jennifer R Birren, Bruce W Nusbaum, Chad Thomas, Jainy Carey, Clayton M Pritham, Ellen J Feschotte, Cédric Noto, Tomoko Mochizuki, Kazufumi Papazyan, Romeo Taverna, Sean D Dear, Paul H Cassidy-Hanley, Donna M Xiong, Jie Miao, Wei Orias, Eduardo Coyne, Robert S |
spellingShingle |
Hamilton, Eileen P Kapusta, Aurélie Huvos, Piroska E Bidwell, Shelby L Zafar, Nikhat Tang, Haibao Hadjithomas, Michalis Krishnakumar, Vivek Badger, Jonathan H Caler, Elisabet V Russ, Carsten Zeng, Qiandong Fan, Lin Levin, Joshua Z Shea, Terrance Young, Sarah K Hegarty, Ryan Daza, Riza Gujja, Sharvari Wortman, Jennifer R Birren, Bruce W Nusbaum, Chad Thomas, Jainy Carey, Clayton M Pritham, Ellen J Feschotte, Cédric Noto, Tomoko Mochizuki, Kazufumi Papazyan, Romeo Taverna, Sean D Dear, Paul H Cassidy-Hanley, Donna M Xiong, Jie Miao, Wei Orias, Eduardo Coyne, Robert S Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
author_facet |
Hamilton, Eileen P Kapusta, Aurélie Huvos, Piroska E Bidwell, Shelby L Zafar, Nikhat Tang, Haibao Hadjithomas, Michalis Krishnakumar, Vivek Badger, Jonathan H Caler, Elisabet V Russ, Carsten Zeng, Qiandong Fan, Lin Levin, Joshua Z Shea, Terrance Young, Sarah K Hegarty, Ryan Daza, Riza Gujja, Sharvari Wortman, Jennifer R Birren, Bruce W Nusbaum, Chad Thomas, Jainy Carey, Clayton M Pritham, Ellen J Feschotte, Cédric Noto, Tomoko Mochizuki, Kazufumi Papazyan, Romeo Taverna, Sean D Dear, Paul H Cassidy-Hanley, Donna M Xiong, Jie Miao, Wei Orias, Eduardo Coyne, Robert S |
author_sort |
Hamilton, Eileen P |
title |
Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
title_short |
Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
title_full |
Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
title_fullStr |
Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
title_full_unstemmed |
Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome |
title_sort |
structure of the germline genome of tetrahymena thermophila and relationship to the massively rearranged somatic genome |
description |
The germline genome of the binucleated ciliate Tetrahymena thermophila undergoes programmed chromosome breakage and massive DNA elimination to generate the somatic genome. Here, we present a complete sequence assembly of the germline genome and analyze multiple features of its structure and its relationship to the somatic genome, shedding light on the mechanisms of genome rearrangement as well as the evolutionary history of this remarkable germline/soma differentiation. Our results strengthen the notion that a complex, dynamic, and ongoing interplay between mobile DNA elements and the host genome have shaped Tetrahymena chromosome structure, locally and globally. Non-standard outcomes of rearrangement events, including the generation of short-lived somatic chromosomes and excision of DNA interrupting protein-coding regions, may represent novel forms of developmental gene regulation. We also compare Tetrahymena’s germline/soma differentiation to that of other characterized ciliates, illustrating the wide diversity of adaptations that have occurred within this phylum. |
publisher |
eLife Sciences Publications, Ltd |
publishDate |
2016 |
url |
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5182062/ |
_version_ |
1613817220706598912 |