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Yoshitaka Nagahama

Researcher at National Institute for Basic Biology, Japan

Publications -  273
Citations -  13126

Yoshitaka Nagahama is an academic researcher from National Institute for Basic Biology, Japan. The author has contributed to research in topics: Oocyte & Complementary DNA. The author has an hindex of 63, co-authored 272 publications receiving 12523 citations. Previous affiliations of Yoshitaka Nagahama include Graduate University for Advanced Studies.

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Fish pituitary glycoprotein hormone receptors: cloning and characterization of two different gonadotropin receptors from gonads and two thyrotropin-like receptors from thyroid of amago salmon (Oncorhynchus rhodurus)

Yuichi Oba, +3 more
Journal ArticleDOI

Molecular cloning of cDNA encoding a cyclin-selective ubiquitin carrier protein (E2-C) from Carassius auratus (goldfish) and expression analysis of the cloned gene

Mika Tokumoto, +3 more
- 24 Sep 1999 - 
TL;DR: The cloning, sequencing and expression analysis of goldfish, Carassius auratus, E2‐C which encodes the cyclin‐selective ubiquitin carrier protein from goldfish ovary suggests that E2-C mediates a cyclin-specific ubiquitination.

Teleost Ovarian Carbonyl Reductase-Like 20b-Hydroxysteroid Dehydrogenase: Potential Role in the Production of Maturation-Inducing Hormone During Final

Minoru Tanaka, +7 more
TL;DR: Results dem- onstrate that the carbonyl reductase of ayu ovary is involved in the production of maturation-inducing hormone, and they provide evidence for a novel physiological role of this enzyme in the final maturation of oocytes.
Journal ArticleDOI

Involvement in Meiotic Prophase of H1 Histone Kinase and p34cdc2 Homologues in Lily (Lilium longiflorum) Microsporocytes: (lily microsporocyte/p34cdc2 kinase/meiosis/pachytene)

Akihiko Yamaguchi, +5 more
- 01 Dec 1991 - 
TL;DR: Observations suggest that p34cdc2 or protein(s) highly homologous to p34CDc2 is a component of Lilium H1 histone kinase and plays a role in regulating meiotic prophase I.
Journal ArticleDOI

Isolation and expression of rainbow trout (Oncorhynchus mykiss) ovarian cDNA encoding 3β-hydroxysteroid dehydrogenase/Δ5−4-isomerase

Noriyoshi Sakai, +4 more
- 01 Jul 1993 - 
TL;DR: A distinct shift in steroidogenesis from testosterone to 17α-hydroxyprogesterone occurs in the salmonid ovarian thecal cell layers immediately prior to oocyte maturation, and is a prerequisite for the production of 17α,20β-dihydroxy-4-pregnen-3-one.