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dc.contributor.author | Hashimoto, Takuma | en |
dc.contributor.author | Horikawa, Daiki D. | en |
dc.contributor.author | Saito, Yuki | en |
dc.contributor.author | Kuwahara, Hirokazu | en |
dc.contributor.author | Kozuka-Hata, Hiroko | en |
dc.contributor.author | Shin-I, Tadasu | en |
dc.contributor.author | Minakuchi, Yohei | en |
dc.contributor.author | Ohishi, Kazuko | en |
dc.contributor.author | Motoyama, Ayuko | en |
dc.contributor.author | Aizu, Tomoyuki | en |
dc.contributor.author | Enomoto, Atsushi | en |
dc.contributor.author | Kondo, Koyuki | en |
dc.contributor.author | Tanaka, Sae | en |
dc.contributor.author | Hara, Yuichiro | en |
dc.contributor.author | Koshikawa, Shigeyuki | en |
dc.contributor.author | Sagara, Hiroshi | en |
dc.contributor.author | Miura, Toru | en |
dc.contributor.author | Yokobori, Shin-ichi | en |
dc.contributor.author | Miyagawa, Kiyoshi | en |
dc.contributor.author | Suzuki, Yutaka | en |
dc.contributor.author | Kubo, Takeo | en |
dc.contributor.author | Oyama, Masaaki | en |
dc.contributor.author | Kohara, Yuji | en |
dc.contributor.author | Fujiyama, Asao | en |
dc.contributor.author | Arakawa, Kazuharu | en |
dc.contributor.author | Katayama, Toshiaki | en |
dc.contributor.author | Toyoda, Atsushi | en |
dc.contributor.author | Kunieda, Takekazu | en |
dc.contributor.alternative | 越川, 滋行 | ja |
dc.date.accessioned | 2017-02-08T05:44:23Z | - |
dc.date.available | 2017-02-08T05:44:23Z | - |
dc.date.issued | 2016-09-20 | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.uri | http://hdl.handle.net/2433/218035 | - |
dc.description.abstract | Tardigrades, also known as water bears, are small aquatic animals. Some tardigrade species tolerate almost complete dehydration and exhibit extraordinary tolerance to various physical extremes in the dehydrated state. Here we determine a high-quality genome sequence of Ramazzottius varieornatus, one of the most stress-tolerant tardigrade species. Precise gene repertoire analyses reveal the presence of a small proportion (1.2% or less) of putative foreign genes, loss of gene pathways that promote stress damage, expansion of gene families related to ameliorating damage, and evolution and high expression of novel tardigrade-unique proteins. Minor changes in the gene expression profiles during dehydration and rehydration suggest constitutive expression of tolerance-related genes. Using human cultured cells, we demonstrate that a tardigrade-unique DNA-associating protein suppresses X-ray-induced DNA damage by -40% and improves radiotolerance. These findings indicate the relevance of tardigrade-unique proteins to tolerability and tardigrades could be a bountiful source of new protection genes and mechanisms. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Springer Nature | en |
dc.rights | © The Author(s) 2016 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/ | en |
dc.title | Extremotolerant tardigrade genome and improved radiotolerance of human cultured cells by tardigrade-unique protein. | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Nature communications | en |
dc.identifier.volume | 7 | - |
dc.relation.doi | 10.1038/ncomms12808 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | 12808 | - |
dc.identifier.pmid | 27649274 | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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