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The reproductive cycle and transcription-level changes in the major yolk protein of wild northern sea urchin, Mesocentrotus nudus, in southern Hokkaido

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Title: The reproductive cycle and transcription-level changes in the major yolk protein of wild northern sea urchin, Mesocentrotus nudus, in southern Hokkaido
Other Titles: 北海道南部におけるキタムラサキウニ(Mesocentrotus nudus)の生殖周期と主要卵黄タンパク質 mRNA 量
Authors: Ura, Kazuhiro Browse this author →KAKEN DB
Wang, Heng Browse this author
Hori, Tetsuo Browse this author
Aizawa, Shunsuke Browse this author
Tsue, Shiori Browse this author
Satoh, Mizuha Browse this author
Takei, Narumi Browse this author
Hoshino, Kosuke Browse this author
Higuchi, Ichiro Browse this author
Sanuki, Shun Browse this author
Yuhi, Tomoharu Browse this author
Nishimiya, Osamu Browse this author
Takagi, Yasuaki Browse this author →KAKEN DB
Keywords: Gonads
Mesocentrotus nudus
Reproductive cycle
Sea urchin
Yolk protein
Issue Date: 20-Sep-2017
Publisher: 日本水産増殖学会
Journal Title: 水産増殖
Journal Title(alt): Aquaculture Science
Volume: 65
Issue: 3
Start Page: 231
End Page: 237
Publisher DOI: 10.11233/aquaculturesci.65.231
Abstract: We examined the reproductive cycle and transcription-level changes of the major yolk protein (MYP) in gonads of both sexes during the different reproductive stages of wild northern sea urchin, Mesocentrotus nudus, collected in two areas of southern Hokkaido, Japan. Histological evaluation revealed mature gonads in both April and August, suggesting two annual spawning seasons at Otoshibe, whereas one annual spawning season was observed in autumn (September) at Usujiri. The transcription levels of MYP, which is synthesized and stored in the gonads, increased from stage 1 (recovering) to stage 2 (growth) and thereafter decreased, in both female and male sea urchins. The current results indicate that two annual spawning seasons may occur in wild populations of the northern sea urchin in southern Hokkaido.
Rights: © 2017 日本水産増殖学会
Type: article
URI: http://hdl.handle.net/2115/71499
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 浦 和寛

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