- 著者
- Tomomi Saito Junji Okuno Arthur Anker
- 出版者
- 日本甲殻類学会
- 雑誌
- Crustacean Research (ISSN:02873478)
- 巻号頁・発行日
- vol.46, pp.25-55, 2017 (Released:2017-03-10)
- 参考文献数
- 27
- 被引用文献数
- 1
Two new species of the stenopodid shrimp genus Odontozona Holthuis, 1946 are described and illustrated based on material from several Indo-West Pacific localities, including Japan, Indonesia, Australia and Madagascar. Odontozona arbur sp. nov. is described on the basis of numerous specimens collected in Australia (Queensland, Western Australia), Indonesia, Japan and Madagascar. Odontozona stigmatica sp. nov. is described on the basis of a single specimen from Ishigaki Island, Ryukyu Archipelago, southern Japan. Odontozona arbur sp. nov. and O. stigmatica sp. nov. differ from all other species of the genus by a combination of morphological characters, mainly involving spination on the carapace and third pereopod, as well as sculpture of the pleon. This study increases the total number of species described in the genus Odontozona to 19, eight of them occurring in the Indo-West Pacific. An identification key to all species presently assigned to Odontozona is also presented.
- 著者
- Hideo Hatase Ryusuke Sudo Kunihiro K. Watanabe Takashi Kasugai Tomomi Saito Hitoshi Okamoto Itaru Uchida Katsumi Tsukamoto
- 出版者
- 日本遺伝学会
- 雑誌
- Genes & Genetic Systems (ISSN:13417568)
- 巻号頁・発行日
- vol.83, no.5, pp.423-426, 2008 (Released:2009-01-24)
- 参考文献数
- 19
- 被引用文献数
- 8 19
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.