Kohei Ohta

2022

Molecular Characterisation and Reporter Gene Assay of the Three GnRH Isoforms and Two GnRH Receptors of a Clupeiform Fish, Japanese Sardine, Sardinops sagax melanostictus (Temminck & Schlegel, 1846)

Lumayno, S. D. P., Ohta, K., Yamaguchi, A. & Matsuyama, M., 2022, In: Asian Fisheries Science. 35, 1, p. 26-43 18 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2021

Spatio-temporal dynamics of the harmful dinoflagellate Karenia mikimotoi in Uwajima Bay and its adjacent waters: Comparison between a bloom occurrence year and a non-occurrence year

ONITSUKA, GOH., SUZUKAWA, KENJI., YOSHIE, NAOKI., HIRAI, MAKIKO., TAKENAKA, SHOICHI., YOSHIHARA, YUUSAKU., OHNISHI, HIDEJIRO., SHIMIZU, SONOKO., TAKEUCHI, HISATO., OHTA, KOHEI., TOMARU, YUJI., SAKAMOTO, SETSUKO., ABE, KAZUO., YAMAGUCHI, AKIRA., SHIKATA, TOMOYUKI., YAMAGUCHI, HITOMI. & TAKEOKA, HIDETAKA., 3月 2021, In: Nippon Suisan Gakkaishi (Japanese Edition). 87, 2, p. 144-159 16 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

2020

Alanine scanning and characterization of core peptides in Scombridae fish family for construction of Kiss1 super analog

Ohga, H., Akase, F., Sakanoue, R., Matsushima, A., Ohta, K. & Matsuyama, M., 3月 1 2020, In: General and Comparative Endocrinology. 288, 113356.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

3 被引用数 (Scopus)

Estrogen and estrogen receptors chauffeur the sex-biased autophagic action in liver

Mohapatra, S., Chakraborty, T., Shimizu, S., Ohta, K., Nagahama, Y. & Ohta, K., 11月 1 2020, In: Cell Death and Differentiation. 27, 11, p. 3117-3130 14 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

7 被引用数 (Scopus)

Leptin stimulates gonadotropin release and ovarian development in marine teleost chub mackerel

Ohga, H., Ito, K., Matsumori, K., Kimura, R., Ohta, K. & Matsuyama, M., 6月 1 2020, In: General and Comparative Endocrinology. 292, 113442.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

7 被引用数 (Scopus)

Molecular characterization of kisspeptin 2 dodecapeptide in sixteen species of Scombridae

Ohga, H., Sakanoue, R., Ohta, K. & Matsuyama, M., 5月 1 2020, In: Fisheries science. 86, 3, p. 437-444 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

1 被引用数 (Scopus)

2019

Development of a novel RSIVD-resistant strain of red sea bream (Pagrus major) by marker-assisted selection combined with DNA-based family selection

Sawayama, E., Kitamura, S. I., Nakayama, K., Ohta, K., Okamoto, H., Ozaki, A. & Takagi, M., 5月 15 2019, In: Aquaculture. 506, p. 188-192 5 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

5 被引用数 (Scopus)

Estrogen Receptor β2 Oversees Germ Cell Maintenance and Gonadal Sex Differentiation in Medaka, Oryzias latipes

Chakraborty, T., Mohapatra, S., Zhou, L. Y., Ohta, K., Matsubara, T., Iguchi, T. & Nagahama, Y., 8月 13 2019, In: Stem Cell Reports. 13, 2, p. 419-433 15 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

4 被引用数 (Scopus)

Occurrence of sul and tet(M) genes in bacterial community in Japanese marine aquaculture environment throughout the year: Profile comparison with Taiwanese and Finnish aquaculture waters

Suzuki, S., Nakanishi, S., Tamminen, M., Yokokawa, T., Sato-Takabe, Y., Ohta, K., Chou, H. Y., Muziasari, W. I. & Virta, M., 6月 15 2019, In: Science of the Total Environment. 669, p. 649-656 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

32 被引用数 (Scopus)

2018

Molecular cloning, characterization and expression analysis of complement components in red sea bream (Pagrus major) after Edwardsiella tarda and red sea bream Iridovirus (RSIV) challenge

Noman Reza, M. A., Mohapatra, S., Shimizu, S., Kitamura, S. I., Harakawa, S., Kawakami, H., Nakayama, K., Sawayama, E., Matsubara, T., Ohta, K. & Chakraborty, T., 11月 2018, In: Fish and Shellfish Immunology. 82, p. 286-295 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

1 被引用数 (Scopus)

2017

Hatching enzymes disrupt aberrant gonadal degeneration by the autophagy/apoptosis cell fate decision

Chakraborty, T., Mohapatra, S., Tobayama, M., Ohta, K., Ryu, Y. W., Kazeto, Y., Ohta, K., Zhou, L., Nagahama, Y. & Matsubara, T., 12月 1 2017, In: Scientific reports. 7, 1, 3183.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

10 被引用数 (Scopus)

Identification of Quantitative Trait Loci for Resistance to RSIVD in Red Sea Bream (Pagrus major)

Sawayama, E., Tanizawa, S., Kitamura, S. I., Nakayama, K., Ohta, K., Ozaki, A. & Takagi, M., 12月 1 2017, In: Marine Biotechnology. 19, 6, p. 601-613 13 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

21 被引用数 (Scopus)

Short-term starvation and realimentation helps stave off Edwardsiella tarda infection in red sea bream (Pagrus major)

Mohapatra, S., Chakraborty, T., Reza, M. A. N., Shimizu, S., Matsubara, T. & Ohta, K., 4月 1 2017, In: Comparative Biochemistry and Physiology Part - B: Biochemistry and Molecular Biology. 206, p. 42-53 12 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

15 被引用数 (Scopus)

2016

Abundance of common aerobic anoxygenic phototrophic bacteria in a coastal aquaculture area

Sato-Takabe, Y., Nakao, H., Kataoka, T., Yokokawa, T., Hamasaki, K., Ohta, K. & Suzuki, S., 2016, In: Frontiers in Microbiology. 7, DEC, 1996.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

6 被引用数 (Scopus)

Controlled in Vivo Nacre Formation in Flat Pearls with Hydroxyapatite Bioceramic Nuclei

Wada, N., Horiuchi, N., Ohta, K., Urasaki, S., Yamauchi, K. & Yamashita, K., 1月 6 2016, In: Crystal Growth and Design. 16, 1, p. 167-173 7 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

1 被引用数 (Scopus)

Differences in the ability of two marine annelid species, Thalassodrilides sp. and Perinereis nuntia, to detoxify 1-nitronaphthalene

Ito, K., Ito, M., Onduka, T., Ohta, K., Torii, T., Hano, T., Mochida, K., Ohkubo, N., Miura, T. & Fujii, K., 5月 1 2016, In: Chemosphere. 151, p. 339-344 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

8 被引用数 (Scopus)

Evaluation of bioremediation potential of three benthic annelids in organically polluted marine sediment

Ito, M., Ito, K., Ohta, K., Hano, T., Onduka, T., Mochida, K. & Fujii, K., 11月 1 2016, In: Chemosphere. 163, p. 392-399 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

13 被引用数 (Scopus)

Starvation: An Alternate Measure to Improve Immunity and Physiology of Red Sea Bream During Edwardsiella Tarda Infection.

Mohapatra, S., Chakraborty, T., Haj-Kacem, R., Shimizu, S., Matsubara, T. & Ohta, K., 6月 12 2016, In: Journal of Aquaculture Research & Development. p. 007 12 p., S2.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

Open Access

Transcription of a novel P450 gene varies with some factors (pollutant exposure, temperature, time, and body region) in a marine oligochaete (Thalassodrilides sp.)

Ito, M., Ito, K., Ohta, K., Hano, T., Onduka, T. & Mochida, K., 8月 15 2016, In: Marine Pollution Bulletin. 109, 1, p. 344-349 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

8 被引用数 (Scopus)

2015

Starvation beneficially influences the liver physiology and nutrient metabolism in Edwardsiella tarda infected red sea bream (Pagrus major)

Mohapatra, S., Chakraborty, T., Shimizu, S., Urasaki, S., Matsubara, T., Nagahama, Y. & Ohta, K., 11月 1 2015, In: Comparative Biochemistry and Physiology -Part A : Molecular and Integrative Physiology. 189, p. 1-10 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

15 被引用数 (Scopus)

Steroid responsive regulation of IFNγ2 alternative splicing and its possible role in germ cell proliferation in medaka

Mohapatra, S., Chakraborty, T., Miyagawa, S., Zhou, L., Ohta, K., Iguchi, T. & Nagahama, Y., 1月 5 2015, In: Molecular and Cellular Endocrinology. 400, p. 61-70 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

6 被引用数 (Scopus)

2012

Bidirectional Sex Change Induced by Sex Steroid Implantation in the Hermaphrodite Fish, Pseudolabrus sieboldi

Ohta, K., Sakai, M., Sundaray, J. K., Kitano, T., Takeda, T., Yamaguchi, A. & Matsuyama, M., 11月 2012, In: Journal of Experimental Zoology Part A: Ecological Genetics and Physiology. 317, 9, p. 552-560 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

7 被引用数 (Scopus)

Male differentiation of germ cells induced by embryonic age-specific sertoli cells in mice

Ohta, K., Yamamoto, M., Lin, Y., Hogg, N., Akiyama, H., Behringer, R. R. & Yamazaki, Y., 4月 1 2012, In: Biology of reproduction. 86, 4, 112.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

13 被引用数 (Scopus)

2011

Molecular cloning of two gonadotropin receptors and their distinct mRNA expression profiles in daily oogenesis of the wrasse Pseudolabrus sieboldi

Kitano, H., Irie, S., Ohta, K., Hirai, T., Yamaguchi, A. & Matsuyama, M., 6月 1 2011, In: General and Comparative Endocrinology. 172, 2, p. 268-276 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

23 被引用数 (Scopus)

2010

Direct effects of retinoic acid on entry of fetal male germ cells into meiosis in mice

Ohta, K., Lin, Y., Hogg, N., Yamamoto, M. & Yamazaki, Y., 12月 1 2010, In: Biology of reproduction. 83, 6, p. 1056-1063 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

38 被引用数 (Scopus)

2009

Study of the physiological and molecular mechanisms of sex change in fish using a novel model system

Ohta, K., 2009, In: Nippon Suisan Gakkaishi (Japanese Edition). 75, 4, p. 636-639 4 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

2008

Body color change and serum steroid hormone levels throughout the process of sex change in the adult wrasse, Pseudolabrus sieboldi

Ohta, K., Hirano, M., Mine, T., Mizutani, H., Yamaguchi, A. & Matsuyama, M., 2月 2008, In: Marine Biology. 153, 5, p. 843-852 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

25 被引用数 (Scopus)

Sexually dimorphic expression of pituitary glycoprotein hormones in a sex-changing fish (Pseudolabrus sieboldi)

Ohta, K., Mine, T., Yamaguchi, A. & Matsuyama, M., 11月 1 2008, In: Journal of Experimental Zoology Part A: Ecological Genetics and Physiology. 309, 9, p. 534-541 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

31 被引用数 (Scopus)

2007

Germ cells are essential for sexual dimorphism in the medaka gonad

Kurokawa, H., Saito, D., Nakamura, S., Katoh-Fukui, Y., Ohta, K., Baba, T., Morohashi, K. I. & Tanaka, M., 10月 23 2007, In: Proceedings of the National Academy of Sciences of the United States of America. 104, 43, p. 16958-16963 6 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

197 被引用数 (Scopus)

2005

Isolation, cloning, sequencing of brain type aromatase and its expression in male and female Wrasse, Pseudolabrus sieboldi

Sundaray, J. K., Ohta, K., Yamaguchi, A., Kitano, T. & Matsuyama, M., 4月 1 2005, In: Fish Physiology and Biochemistry. 31, 2-3, p. 137-141 5 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

5 被引用数 (Scopus)

Reproductive parameters of the chub mackerel Scomber japonicus estimated from human chorionic gonadotropin-induced final oocyte maturation and ovulation in captivity

Shiraishi, T., Ohta, K., Yamaguchi, A., Yoda, M., Chuda, H. & Matsuyama, M., 6月 2005, In: Fisheries science. 71, 3, p. 531-542 12 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

49 被引用数 (Scopus)

Steroidogenesis in ovarian follicles of chub mackerel, Scomber japonicus

Matsuyama, M., Shiraishi, T., Sundaray, J. K., Rahman, M. A., Ohta, K. & Yamaguchi, A., 1月 1 2005, In: Zoological Science. 22, 1, p. 101-110 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

33 被引用数 (Scopus)

2003

Bi-directional sex change and its steroidogenesis in the wrasse, Pseudolabrus sieboldi

Ohta, K., Sundaray, J. K., Okida, T., Sakai, M., Kitano, T., Yamaguchi, A., Takeda, T. & Matsuyama, M., 12月 1 2003, In: Fish Physiology and Biochemistry. 28, 1-4, p. 173-174 2 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

24 被引用数 (Scopus)

Diurnal rhythm of steroid biosynthesis in the testis of terminal phase male of protogynous wrasse, Pseudolabrus sieboldi, a daily spawner

Sundaray, J. K., Ohta, K., Yamaguchi, A., Suzuki, K. & Matsuyama, M., 12月 1 2003, In: Fish Physiology and Biochemistry. 28, 1-4, p. 193-195 3 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

10 被引用数 (Scopus)

Gonadotropins, gonadotropin receptors and their expressions during sexual maturation in yellowtail, a carangid fish

Rahman, M. A., Ohta, K., Yamaguchi, A., Chuda, H., Hirai, T. & Matsuyama, M., 2003, In: Fish Physiology and Biochemistry. 28, 1-4, p. 81-83 3 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

13 被引用数 (Scopus)

2002

Biosynthesis of estradiol-17β in the ovarian follicles of the red seabream Pagrus major during vitellogenesis

Ohta, K., Yamaguchi, S., Yamaguchi, A., Okuzawa, K., Gen, K., Kagawa, H. & Matsuyama, M., 7月 23 2002, In: Fisheries Science. 68, 3, p. 680-687 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

7 被引用数 (Scopus)

Biosynthesis of steroids in ovarian follicles of red seabream, Pagrus major (Sparidae, Teleostei) during final oocyte maturation and the relative effectiveness of steroid metabolites for germinal vesicle breakdown in vitro

Ohta, K., Yamaguchi, S., Yamaguchi, A., Gen, K., Okuzawa, K., Kagawa, H. & Matsuyama, M., 9月 2002, In: Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology. 133, 1, p. 45-54 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

19 被引用数 (Scopus)

Characterization of ovarian membrane receptor for 17,20β-dihydroxy-4-pregnen-3-one, a maturation-inducing hormone in yellowtail, Seriola quinqueradiata

Rahman, M. A., Ohta, K., Yoshikuni, M., Nagahama, Y., Chuda, H. & Matsuyama, M., 2002, In: General and Comparative Endocrinology. 127, 1, p. 71-79 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

22 被引用数 (Scopus)

Steroid hormones and their synthetic pathways in the vitellogenic ovarian follicles of yellowtail, Seriola quinqueradiata

Rahman, M. A., Ohta, K., Chuda, H., Yamaguchi, A. & Matsuyama, M., 10月 1 2002, In: Journal of the Faculty of Agriculture, Kyushu University. 46, 2, p. 311-319 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

3 被引用数 (Scopus)

Steroidogenic pathways to 17,20β-dihydroxy-4-pregnen-3-one and 17,20β,21-trihydroxy-4-pregnen-3-one in the ovarian follicles of the bambooleaf wrasse Pseudolabrus sieboldi

Ohta, K. & Matsuyama, M., 2002, In: Fisheries science. 68, 1, p. 41-50 10 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

19 被引用数 (Scopus)

2001

Gonadotropin-induced steroidogenic shift towards maturation-inducing hormone in Japanese yellowtail during final oocyte maturation

Rahman, M. A., Ohta, K., Chuda, H., Nakano, S., Maruyama, K. & Matsuyama, M., 6月 27 2001, In: Journal of Fish Biology. 58, 2, p. 462-474 13 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

23 被引用数 (Scopus)

Steroidogenic pathway to estradiol-17β synthesis in the ovarian follicles of the protogynous wrasse, Pseudolabrus sieboldi

Ohta, K., Mine, T., Yamaguchi, A. & Matsuyama, M., 9月 2001, In: Zoological science. 18, 7, p. 937-945 9 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

23 被引用数 (Scopus)

1998

Circulating levels and in vitro production of two maturation-inducing hormones in teleost: 17α,20β-dihydroxy-4-pregnen-3-one and 17α,20β,21-trihydroxy-4-pregnen-3-one, in a daily spawning wrasse, Pseudolabrus japonicus

Matsuyama, M., Ohta, K., Morita, S., Hoque, M. M., Kagawa, H. & Kambegawa, A., 1998, In: Fish Physiology and Biochemistry. 19, 1, p. 1-11 11 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

32 被引用数 (Scopus)

1997

Diurnal spermatogenesis and spawning in the secondary male of a protogynous wrasse, Pseudolabrus japonicus (Teleostei, Labridae)

Matsuyama, M., Morita, S., Hamaji, N., Kashiwagi, M., Ohta, K. & Nagahama, Y., 12月 1997, In: Zoological science. 14, 6, p. 1001-1008 8 p.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

7 被引用数 (Scopus)

太田 耕平

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太田耕平