Document Detail

Shorter telomere length with age in the loggerhead turtle: a new hope for live sea turtle age estimation.
MedLine Citation:
PMID:  19168993     Owner:  NLM     Status:  MEDLINE    
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.
Hideo Hatase; Ryusuke Sudo; Kunihiro K Watanabe; Takashi Kasugai; Tomomi Saito; Hitoshi Okamoto; Itaru Uchida; Katsumi Tsukamoto
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Genes & genetic systems     Volume:  83     ISSN:  1341-7568     ISO Abbreviation:  Genes Genet. Syst.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2009-01-26     Completed Date:  2009-03-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9607822     Medline TA:  Genes Genet Syst     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  423-6     Citation Subset:  IM    
Ocean Research Institute, University of Tokyo, Tokyo, Japan.
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MeSH Terms
Age Factors
Polymerase Chain Reaction
Telomere / chemistry*,  metabolism
Turtles / genetics*,  physiology

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