Axoneme patterns of spermatozoa of Asian horseshoe crabs |
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| Authors: | Y Yamamichi K Sekiguchi |
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| Institution: | (1) Institute of Biological Sciences, University of Tsukuba, Sakura-mura Niihari-gun, 305 Ibaraki, (Japan);(2) Present address: Department of Anatomy, Tokushima University School of Dentistry, Kuramoto-cho, 770 Tokushima, Japan |
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| Abstract: | Summary Ultrastructural studies of flagella of spermatozoa of horseshoe crabs revealed that three Asian species (Tachypleus tridentatus, T. gigas andCarcinoscorpius rotundicauda) had a 9+0 axoneme pattern that was different from the usual 9+2 pattern ofLimulus polyphemus. This difference is consistent with the phylogeny of horseshoe crabs.Contribution No. 40 from the Shimoda Marine Research Center. Supported in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science and Culture of Japan. |
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