Gametes of semelparous salmon are repeatedly produced by surrogate rainbow trout-Reference-Cited by-同舟云学术

Gametes of semelparous salmon are repeatedly produced by surrogate rainbow trout

Published:2024-05-24 Issue:21 Volume:10 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Yoshizaki Goro¹²^ORCID,Fujihara Ryo¹,Namura Shun¹,Kanzaka Koji¹,Kamiya Kenji¹,Terasawa Madoka¹,Shimamori Shotaro¹,Moriya Natsuko¹^ORCID,Miwa Misako¹,Hayashi Makoto³^ORCID

Affiliation:

1. Department of Marine Biosciences, Tokyo University of Marine Science and Technology, 4-5-7 Konan Minato-ku, Tokyo 108-8477, Japan.

2. Institute for Reproductive Biotechnology for Aquatic Species (IRBAS), Tokyo University of Marine Science and Technology, 4-5-7 Konan Minato-ku, Tokyo 108-8477, Japan.

3. Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan.

Abstract

Most Pacific salmon species grow in the ocean, return to their native rivers to reproduce, and then die (semelparous type). However, rainbow trout survive after spawning and reproduce repeatedly until the end of their lives (iteroparous type). Little is known about how germline stem cells behave during gametogenesis in the two types of Pacific salmon. In this study, we show that all germline stem cells disappear after the first gametogenesis in Chinook and Kokanee salmon, whereas germline stem cells are maintained in rainbow trout. However, the germline stem cells of Chinook and Kokanee salmon transplanted into rainbow trout survive even after their spawning seasons and supply salmon gametes for multiple years. These results indicate that the behavior of the germline stem cells is mainly regulated by the somatic environment.

Publisher

American Association for the Advancement of Science (AAAS)

Link

https://www.science.org/doi/pdf/10.1126/sciadv.adm8713

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