| Shorter telomere length with age in the loggerhead turtle: a new hope for live sea turtle age estimation. | |
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MedLine Citation:
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PMID: 19168993 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We verified whether telomere length shortens with age in the loggerhead sea turtle (Caretta caretta) by measuring telomere lengths (relative telomere to single copy gene [T/S] ratios) in whole blood and epidermis from 20 captive individuals with a real-time PCR method. There was no significant correlation between age and relative T/S ratios in blood. Although the correlation between age and relative T/S ratios in epidermis was not significant, older turtles had smaller relative T/S ratios in epidermis. It was thus demonstrated that telomere length in epidermis could be a useful age estimator for sea turtles. Relative age information obtained with this simple, rapid, non-invasive technique may help to advance our understanding of the ecology of endangered sea turtles. This is the first publication on age-related changes in telomere length among chelonians. |
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Authors:
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Hideo Hatase; Ryusuke Sudo; Kunihiro K Watanabe; Takashi Kasugai; Tomomi Saito; Hitoshi Okamoto; Itaru Uchida; Katsumi Tsukamoto |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Genes & genetic systems Volume: 83 ISSN: 1341-7568 ISO Abbreviation: Genes Genet. Syst. Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2009-01-26 Completed Date: 2009-03-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9607822 Medline TA: Genes Genet Syst Country: Japan |
Other Details:
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Languages: eng Pagination: 423-6 Citation Subset: IM |
Affiliation:
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Ocean Research Institute, University of Tokyo, Tokyo, Japan. hatase@ori.u-tokyo.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Age Factors Animals Polymerase Chain Reaction Telomere / chemistry*, metabolism Turtles / genetics*, physiology |
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