Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Kohei Ohta Last modified date:2023.11.28

Professor / Department of Bioresource Sciences / Faculty of Agriculture


Presentations
1. Yume Yamamoto, Shoma Hanai, Tapas Chakraborty, Astushi Toyoda, Takehiko Itoh, Michiya Matsuyama, Yoshitaka Nagahama, Kohei Ohta, Involvement of the pituitary gland in socially controlled sex change, International Conference on “Responsible Aquaculture and Sustainable fisHeries Interact (RASHI), 2022.12.
2. Takuma Ogawa, Hirofumi Ohga, Tapas Chakraborty, Kohei Ohta, Naoki Nagano, Atsushi Fujiwara, Tomoya Nagasako, Seiichi Uchida, Testsushi Sakuma, Takashi Yamamoto, Michiya Matsuyama, Genome edited “modest mackerel” for aquaculture, International Conference on “Responsible Aquaculture and Sustainable fisHeries Interact (RASHI), 2022.12.
3. Himadri Saha, Sipra Mohapatra, Kohei Ohta, Tapas Chakraborty, Interferon gamma: a link between immunity and reproduction in medaka, International Conference on “Responsible Aquaculture and Sustainable fisHeries Interact (RASHI), 2022.12.
4. Kodai Mizumura, Tapas Chakraborty, Kazuki Tateyama, Shoma Hanai, Yoshihara Yuya, Yume Yamamoto, Sipra Mohapatra, Yumiko Yamasaki, Atsushi Toyota, Ito Takehiko, Michiya Matsuyama, Yoshitaka Nagahama, Kohei Ohta, Gonadal stem cells in a sex changing fish, Pseudolabrus sieboldi., The International Symposium “Totipotency and Germ cell Development” , 2022.11.
5. Mohapatra S, Chakraborty T, Nagano N, Nagahama Y, Ohta K, Matsuyama M, Autophagy: an important player in germ cell maintenance and gonadal sexuality, Joint Conference of the 30th European Society for Comparative Endocrinology and the 9th International Society for Fish Endocrinology, 2022.09.
6. Chakraborty T, Mohapatra S, Ohta K, Matsuyama M, Nagahama Y, Oct4 and sexual plasticity in fish gonad. Joint Conference of the 30th European Society for Comparative Endocrinology and the 9th International Society for Fish Endocrinology, Joint Conference of the 30th European Society for Comparative Endocrinology and the 9th International Society for Fish Endocrinology, 2022.09.
7. Yahiro I, Chakraborty T, Ohta K, Matsuyama M., Can fish be artificially equipped with a secondary functional gonad?, Joint Conference of the 30th European Society for Comparative Endocrinology and the 9th International Society for Fish Endocrinology, 2022.09.
8. Ohta K, Chakraborty T, Tateyama K, Hanai S, Mizumura K, Kazui Y, Yoshihara Y, Mohapatra S, Matsuyama M, Nagahama Y, Molecular mechanism of sexual plasticity in fish: a viewpoint from a natural sex changing fish, Joint Conference of the 30th European Society for Comparative Endocrinology and the 9th International Society for Fish Endocrinology, 2022.09.
9. Mariel Galotta, Tapas Chakraborty, Naoki Nagano, Takehiko Itoh , Michiya Matsuyama, Kohei Ohta , Epigenetic analysis of gonadotropin genes in cultured chub mackerel, Scomber japonicus, 日本水産学会秋季大会, 2021.09.
10. Sipra Mohapatra, Tapas Chakraborty, Kohei Ohta., Sex and sex steroids are eminent regulators of fish autophagy, 10th International conference on Fisheries & Aquaculture, 2019.09.
11. Tapas Chakraborty, Sipra Mohapatra, Sonoko Shimizu, Takahiro Matsubara, Kiyoshi Naruse, Kohei Ohta., Comparative transcriptomics and Edwardsiellosis detection in fish: a study using medaka and Red Sea bream, 10th International conference on Fisheries & Aquaculture, 2019.09.
12. Satoshi Kai, Keishi Sakaguchi, Kohei Ohta, Michiya Matsuyama, Luteinizing hormone β-subunit gene knockout in Japanese anchovy (Engraulis japonicas ) by TALEN-based genome editing., Marine Biotechnology Conference 2019, 2019.09.
13. Kohei Ohta, Kanoko Mitome, Jun Fujita, Tapas Chakraborty, Sipra Mohapatra, Michiya Matsuyama, Yoshitaka Nagahama, Germline stem cells in the sex changing fish, Pseudolabrus sieboldi, Yanagimachi 90th Birthday Symposium, 2018.08.
14. Tapas Chakraborty, Sipra Mohapatra, T. Matsubara, K. Ohta, Y. Nagahama, Sexual spectrum of germline stem cells in fish, International Symposium on Reproductive Physiology of Fish (ISRPF), 2018.06.
15. Sipra Mohapatra, Tapas Chakraborty, D. Pandey, T. Matsubara, K. Ohta, Exploring the potentiality of autophagy in fish fertility, International Symposium on Reproductive Physiology of Fish (ISRPF), 2018.06.
16. Tapas Chakraborty, Sipra Mohapatra, S. Shimizu, K. Ohta, Y. Nagahama, Hatching enzymes and aberrant gonadal degeneration in fish, International Symposium on Recent Advances in Comparative Endocrinology (ISRACE 2017), 2017.11.
17. Sipra Mohapatra, Tapas Chakraborty, S. Shimizu, T. Matsubara, K. Ohta, Gender biasedness in autophagy: From a fish perspective, International Symposium on Recent Advances in Comparative Endocrinology (ISRACE 2017), 2017.11.
18. Eitaro Sawayama, Shiho Tanizawa, Shin-Ichi Kitamura, Kei Nakayama, Kohei Ohta, Akiyuki Ozaki, Hiroyuki Okamoto and Motohiro Takagi, A robust male broodstock individual of red sea bream (Pagrus major ) resistant to RSIVD: genetic dissection and application for marker-assisted breeding, International Symposium “Fisheries Science for the Future Generations” , 2017.09.
19. Hirofumi Ohga, Fumiko Akase, Akihiko Yamaguchi, Kohei Ohta and Michiya Matsuyama, Molecular characterization and agonistic activities of KISS1 core peptides in scombroidfish family, International Symposium “Fisheries Science for the Future Generations” , 2017.09.
20. Koki Shibata, Hirofumi Ohga, Naoki Nagano, Keishi Sakaguchi, Hajime Kitano, Kohei Ohta, Satoru Kuhara, Kousuke Tashiro, Sangwan Kim, Tetushi Sakuma, Takashi Yamamoto, Koichiro Gen, Atsushi Fujiwara, Yukinori Kazeto, Takanori Kobayashi and Michiya Matsuyama, Development of genome editing technology in chub mackerel, Scomber japonicus and knockout of aVTR-V1a2 by TALEN, International Symposium “Fisheries Science for the Future Generations”, 2017.09.
21. Tapas Chakraborty, Sipra Mohapatra, K. Ohta, Y. Nagahama, Sexual plasticity and germ line stem cells in adult teleosts, 18th International Congress of Comparative Endocrinology (ICCE), 2017.06.
22. Tapas Chakraborty, Sipra Mohapatra, K. Ohta, Y. Nagahama, Germ line stem cells and sexual plasticity in medaka, Oryzias latipes, 8th International Symposium on Fish Endocrinology (ISFE), 2016.07.
23. Mohapatra, S, Chakraborty, T, Shimizu, S, Matsubara, T, Nagahama, Y, Ohta, K, BENEFITS OF STARVATION IN DISEASE MANAGEMENT IN RED SEA BREAM Pagrus major AQUACULTURE, Aquaculture 2016 - World Aquaculture Society Meetings, 2016.02.
24. Mohapatra, S, Chakraborty, T, Shimizu, S, Matsubara, T, Nagahama, Y, Ohta, K, AUTOPHAGY AND STARVATION: A MANAGERIAL MINE FOR SUSTAINABLE AQUACULTURE, Aquaculture 2016 - World Aquaculture Society Meetings, 2016.02.
25. Yamazaki Y, Yamamoto M, Lin Y, Hogg N, Akiyama H, Behringer, R.R, Ohta, K, Male differentiation of primordial germ cells (PGCs) induced by stage-specific pre-Sertoli cells in mice., Society for Developmental Biology 2011 West Coast Regional Meeting, 2011.04.
26. Ohta, K, Yamamoto M, Lin Y, Hogg N, Akiyama H, Behringer, R.R, Yamazaki Y, Masculinization of primordial germ cells (PGCs) induced by stage-specific pre-Sertoli cells in mice., 43th Annual Meeting of the Society for the Study of Reproduction, 2010.08.
27. Ohta, K, Sakai, F., Kitano,T, Yamaguchi, A, Nakamura, M, Matsuyama, M, Nagahama, Y, In vivo and in vitro studies of bidirectional sex change in the gonads of the hermaphrodite wrasse., International Symposium on Sex Determination and gametogenesis in Fish, 2008.06.
28. Ohta, K, Sakai, F, Yamaguchi,A, Matsuyama, M, Nagahama, Y, In vitro gonadal sex change controlled by the sex steroid hormones in the hermaphrodite fish, Psedolabrus sieboldi., 4th International Symposium on the Biology of Vertebrate Sex Determination, 2006.04.
29. Ohta, K, Sundaray, J.K., Kitano, T, Shibata, Y, Matsuda, M, Yamaguchi, A, Matsuyama, M, Nagahama, Y, Involvement of 17β-hydroxysteroid dehydrogenase in the sex change of a protogynous wrasse, Pseudolabrus sieboldi., 15th International Congress of Comparative Endocrinology, 2005.04.
30. Ohta, K, Sakai, M, Sundaray, J.K, Yamaguchi, A, Matsuyama. M, Bi-directional sex change induced by the implantation of steroid hormones in the protogynous wrasse (Pseudolabrus sieboldi)., 5th International Symposium on Fish Endocrinology, 2004.09.
31. Ohta, K, Yoshino, Y, Tanioka, S, Hirai, T, Yamaguchi, A, Matsuyama, M, Sexually dimorphic expression of pituitary glycoprotein hormone subunit genes in the protogynous wrasse (Pseudolabrus sieboldi)., 5th International Symposium on Fish Endocrinology, 2004.09.
32. Ohta, K, Sakai, M, Sundaray, J.K, Yamaguchi, A, Matsuyama., M, Induction of bi-directional sex change by steroid hormones in the protogynous wrasse Pseudolabrus sieboldi., Satellite Meeting of ICRS2004 “Sex allocation and sexual conflict in coral reef organisms”, 2004.07.
33. Ohta, K, Yamaguchi, A, Matsuyama, M, Sexually dimorphic expression of FSH-β and LH-β subunit genes during the daily spawning cycle in the protpgynous wrasse, Pseudolabrus sieboldi., 5th Congress of AOSCE in Conjunction with the Annual meeting of JSCE, 2004.04.
34. Ohta, K, Sundaray, J.K, Okida, T, Sakai, M, Kitano, T, Yamaguchi, A, Matsuyama, M, Bi-directional sex change and its steroidogenesis in the wrasse, Pseudolabrus sieboldi., 7th International Symposium on Reproductive Physiology of Fish, 2003.05.
35. Ohta, K, Rahman, M.A., Chuda, H, Yoshikuni, M, Nagahama, Y, Matsuyama, M, Maturation-inducing hormone and its membrane receptor in gonads of Japanese yellowtail, Seriola quinqueradiata., International Commemorative Symposium, 70th Anniversary of JSFS, 2001.10.