Search Results - "Okamura, Tetsuro"

Effects of synthetic sex steroid hormone exposures on gonadal sex differentiation and dynamics of a male-related gene, Gonadal soma-derived factor (Gsdf) and an estrogen up-regulated gene, Choriogenine-H (ChgH) gene expression in the euryhaline Javafish medaka, Oryzias javanicus, based on genetic sexes by Myosho, Taijun, Hattori, Minako, Yamamoto, Jun, Toda, Misa, Okamura, Tetsuro, Onishi, Yuta, Takehana, Yusuke, Kobayashi, Tohru

“…To clarify the basal aspects of sexual development in Javafish medaka, Oryzias javanicus (ZZ/ZW), a model marine species for ecotoxicity testing, we examined…”
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Inter- and Intraspecific Variation in Sex Hormone-Induced Sex-Reversal in Medaka, Oryzias latipes and Oryzias sakaizumii by Myosho, Taijun, Sato, Tadashi, Nishiyama, Hiroka, Watanabe, Akiho, Yamamoto, Jun, Okamura, Tetsuro, Onishi, Yuta, Fujimaki, Rei, Hamaguchi, Satoshi, Sakaizumi, Mitsuru, Kobayashi, Tohru

“…We compared sex-reversal ratios induced by 17α-methyltestosterone (MT) and 17β-estradiol (E2) exposure in two inbred medaka strains: Hd-rR derived from and…”
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Comparative Developmental Staging of Female and Male Water Fleas Daphnia pulex and Daphnia magna During Embryogenesis by Toyota, Kenji, Hiruta, Chizue, Ogino, Yukiko, Miyagawa, Shinichi, Okamura, Tetsuro, Onishi, Yuta, Tatarazako, Norihisa, Iguchi, Taisen

“…The freshwater crustacean genus Daphnia has been used extensively in ecological, developmental and ecotoxicological studies. Daphnids produce only female…”
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A Demonstration of Mass-spectrometric Exploration of Organic Ecotoxicants from Simulated Sewage-treatment-plant Effluents by Sawai, Atsushi, Okamura, Tetsuro, Miyamoto, Nobukazu, Kameya, Takashi, Shinfuku, Yuta, Nakajima, Tsunenori, Takanashi, Hirokazu

“…From three different sewage treatment plants, three effluent samples were collected to demonstrate applicability of a non-targeted mass spectrometric analysis…”
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Summary of reference chemicals evaluated by the fish short‐term reproduction assay, OECD TG229, using Japanese Medaka, Oryzias latipes by Onishi, Yuta, Tatarazako, Norihisa, Koshio, Masaaki, Okamura, Tetsuro, Watanabe, Haruna, Sawai, Atsushi, Yamamoto, Jun, Ishikawa, Hidenori, Sato, Tomomi, Kawashima, Yukio, Yamazaki, Kunihiko, Iguchi, Taisen

“…Under the Organisation for Economic Co‐operation and Development (OECD), the Ministry of the Environment of Japan (MOE) added Japanese medaka (Oryzias latipes)…”
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Estrogen alters gonadal soma-derived factor (Gsdf)/Foxl2 expression levels in the testes associated with testis-ova differentiation in adult medaka, Oryzias latipes by Kobayashi, Tohru, Chiba, Ayaka, Sato, Tadashi, Myosho, Taijun, Yamamoto, Jun, Okamura, Tetsuro, Onishi, Yuta, Sakaizumi, Mitsuru, Hamaguchi, Satoshi, Iguchi, Taisen, Horie, Yoshifumi

“…•Foxl2 becomes expressed in Sertoli cells with estrogen-induced testis-ova in medaka.•Feminization of Sertoli cells precedes the induction of testis-ova by…”
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19.2: Invited Paper: Novel Wide-Color-Gamut LED Backlight for 4K LCD Embedded with Mixing Cup Structure for Isotropic Light Source by Ishino, Hirohisa, Miike, Masami, Nakamura, Tomoharu, Okamura, Tetsuro, Iwaki, Ichiro

“…We have developed wide color gamut LED backlight for large size displays embedded with novel mixing cup structure for efficient light coupling from isotropic…”
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Preliminary study of albacore stock differentiation inferred from microsatellite DNA analysis by Takagi, Motohiro, Okamura, Tetsuro, Chow, Seinen, Taniguchi, Nobuhiko

“…Recently, Takagi et al. (1999) isolated four microsatellite loci from Pacific northern bluefin tuna (Thunnus thynnus orientalis) and demonstrated successful…”
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