Taijun Myosho, PhD
Research Assistant Professor, Laboratory of Molecular Reproductive Biology, Graduate
Division of Nutritional and Environmental Sciences, University of Shizuoka, Japan
Tel. +81-54-264-5791
E-mail. taijun@u-shizuoka-ken.ac.jp.

Education

Doctor of Philosophy in Graduate School of Science and Technology, Niigata University,
2012
Master of Science in Graduate School of Science and Technology, Niigata University,

2009
Bachelor of Science in Graduate School of Science, Niigata University, 2007

Employment
University of Shizuoka, School of Food and Nutritional Sciences, Research AssistantProfessor, 2016-present
Niigata University, Institute of Science and Technology, Research AssistantProfessor, 2012-2016

Specialty
Genetics, Evolutionary Biology

Publication
・Watanabe A, Myosho T et al. Levonorgestrel causes feminization 1 and dosedependent masculinization in medaka fish (Oryzias latipes): endocrine-disruption
activity and its correlation with sex reversal. Science of the Total Environment. (inpress)
・Ono Y, Hirasaka K, Myosho T et al. Environmental DNA concentrations ofJapanese eels in 1 relation to habitat characteristics. Aquaculture Science, (inpress)
・Myosho T et. al. Preself-Feeding Medaka Fry Provides a Suitable Screening
System for in Vivo Assessment of Thyroid Hormone-Disrupting Potential

Environmental Science and Technology, 56, 6479−6490. 2022
・Fujimoto S, Yaguchi H, Myosho T et al. Population admixtures in medaka
inferred by multiple arbitrary amplicon sequencing. Scientific Reports, 12:19989.

2022
・Myosho T et. al. Effects of synthetic sex steroid hormone exposures on gonadal
sex differentiation and dynamics of a male-related gene, Gonadal somaderived
factor (Gsdf) and an estrogen up-regulated gene, Choriogenine-H (ChgH) gene
expression in the euryhaline Javafish medaka, Oryzias javanicus, based on genetic
sexes. Chemosphere, 274: 129893. 2021
・Myosho T et. al. Inter- and Intraspecific Variation in Sex Hormone-Induced SexReversal in Medaka, Oryzias latipes and Oryzias sakaizumii. Zoological Science,
36: 425-431. 2019
・Myosho T et al. Hyperosmotic tolerance of adult fish and early embryos are
determined by discrete, single loci in the genus Oryzias.: Scientific Reports, 8:6897. 2018
・Kobayashi T, Chiba A, Sato T, Myosho T et al. Estrogen alters gonadal somaderived factor (Gsdf)/Foxl2 expression levels in the testes associated with testis-ova
differentiation in adult medaka, Oryzias latipes.: Aquatic Toxicology, 191: 209-218.
2017
・Tohyama S, Ogino Y, Lange A, Myosho T et al. Establishment of estrogen
receptor 1 (ESR1)-knockout medaka: ESR1 is dispensable for sexual development
and reproduction in medaka, Oryzias latipes.: Development Growth andDifferentiation, 59: 552–561. 2017
・Horie Y, Myosho T, Sato T et al. Androgen induces gonadal soma-derived fator,Gsdf, in XX gonads correlated to sex-reversal but not Dmrt1 directly, in the teleostfish, northern medaka (Oryzias sakaizumii). Molecular and Cellular Endocrinology,
436: 141-149. 2016
・Myosho T et al. Turnover of sex chromosomes in celebensis group medaka fishes.

Genes Genomes Genetics, pii: g3.115.021543. 2015
・Takehana Y, Matsuda M, Myosho T et al. Co-option of Sox3 as the maledetermining factor on the Y chromosome in the fish Oryzias dancena. NatureCommunications, 20;5:4157. 2014
・Myosho T et al. The origin of the large metacentric chromosome pair in Chinese
medaka (Oryzias sinensis) Ichthyolgical Research, 59(4): 384-388. 2012
・Myosho T et al. Tracing the emergence of a novel sex-determining gene in
medaka, Oryzias luzonensis. Genetics, May; 191(1): 163-70. 2012
・Otake H, Masuyama H, Mashima Y, Shinomiya A, Myosho T et al. Heritableartificial sex chromosomes in the medaka, Oryzias latipes. Heredity, 105(3): 24756. 2010