Bluefin tuna sperm production is hastened by surrogacy in small Euthynnus

Autor: Wataru Kawamura, Ryosuke Yazawa, Yutaka Takeuchi, Shigeharu Kamio, Kensuke Ichida, Ricardo Shohei Hattori, Tetsuro Morita, Makoto Hayashi, Goro Yoshizaki

Publikováno v: Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)

Abstract Pacific bluefin tuna (Thunnus orientalis) remains heavily depleted due to overexploitation. Aquaculture and stock enhancement based on artificial seedlings could be effective solutions to this problem. However, widespread adoption of seedlin

Externí odkaz: https://doaj.org/article/beffa66ad0004904a1628b3e5ac1b6b2

Effect of degree of substitution on the microphase separation and mechanical properties of cellooligosaccharide acetate-based elastomers

Autor: Satoshi Katsuhara, Naoki Sunagawa, Kiyohiko Igarashi, Yutaka Takeuchi, Kenji Takahashi, Takuya Yamamoto, Feng Li, Kenji Tajima, Takuya Isono, Toshifumi Satoh

Publikováno v: Katsuhara, S, Sunagawa, N, Igarashi, K, Takeuchi, Y, Takahashi, K, Yamamoto, T, Li, F, Tajima, K, Isono, T & Satoh, T 2023, ' Effect of degree of substitution on the microphase separation and mechanical properties of cellooligosaccharide acetate-based elastomers ', Carbohydrate Polymers, vol. 316, 120976 . https://doi.org/10.1016/j.carbpol.2023.120976

Thermoplastic elastomers (TPEs) have long been used in a wide range of industries. However, most existing TPEs are petroleum-derived polymers. To realize environmentally benign alternatives to conventional TPEs, cellulose acetate is a promising TPE h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::576d5adf2e36c04f18d67d4a874702d7
https://doi.org/10.1016/j.carbpol.2023.120976

Production of functional sperm from cryopreserved testicular germ cells following intraperitoneal transplantation into allogeneic surrogate in yellowtail (Seriola quinqueradiata)

Autor: Goro Yoshizaki, Naoki Kumakura, Misako Miwa, Kagayaki Morishima, Takahisa Miki, Yutaka Takeuchi, Tetsuro Morita

Publikováno v: Cryobiology. 100:32-39

The aim of this study was to establish a method for the cryopreservation of spermatogonia of the yellowtail (Seriola quinqueradiata), which is the most commonly farmed fish in Japan. Testicular cells were prepared by enzymatic dissociation of testicu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96476a59cd2e0eb1e905a386c0b139cc
https://doi.org/10.1016/j.cryobiol.2021.04.001

Oral administration of gonadotropin-releasing hormone analogue enhances previtellogenic oocyte growth of blue mackerel Scomber australasicus

Autor: Yuichi Ozaki, Goro Yoshizaki, Yukinori Kazeto, Kotaro Amezawa, Ryosuke Yazawa, Yutaka Takeuchi

Publikováno v: NIPPON SUISAN GAKKAISHI. 86:83-90

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38bda6ebe16eeb5e34f9bfc445ccf0a6
https://doi.org/10.2331/suisan.19-00029

Induction of sex reversal in blue drum ( Nibea mitsukurii ) and gynogenetic yellow drum ( Nibea albiflora ) by oral administration of letrozole

Autor: Yutaka Takeuchi, Fang Yang, Dongdong Xu, Lu Tian, Chen Ruiyi, Qin Zeqian

Publikováno v: Aquaculture Research. 51:882-889

The objective of this study was to test the efficiency of an aromatase inhibitor, letrozole (LZ), to induce masculinization in blue drum (Nibea mitsukurii) and gynogenetic yellow drum (N. albiflora). Two experiments (Exp‐1 and Exp‐2) were perform

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d16479daee81b2fe35589523a7b4196e
https://doi.org/10.1111/are.14434