Early development and neurogenesis of Temnopleurus reevesii

Development, Growth & Differentiation
Shunsuke YaguchiJunko Yaguchi

Abstract

Sea urchins are model non-chordate deuterostomes, and studying the nervous system of their embryos can aid in the understanding of the universal mechanisms of neurogenesis. However, despite the long history of sea urchin embryology research, the molecular mechanisms of their neurogenesis have not been well investigated, in part because neurons appear relatively late during embryogenesis. In this study, we used the species Temnopleurus reevesii as a new sea urchin model and investigated the detail of its development and neurogenesis during early embryogenesis. We found that the embryos of T. reevesii were tolerant of high temperatures and could be cultured successfully at 15-30°C during early embryogenesis. At 30°C, the embryos developed rapidly enough that the neurons appeared at just after 24 h. This is faster than the development of other model urchins, such as Hemicentrotus pulcherrimus or Strongylocentrotus purpuratus. In addition, the body of the embryo was highly transparent, allowing the details of the neural network to be easily captured by ordinary epifluorescent and confocal microscopy without any additional treatments. Because of its rapid development and high transparency during embryogenesis, T. reevesii may be a s...Continue Reading

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Jan 16, 2008·Developmental Cell·Shunsuke YaguchiLynne M Angerer
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Oct 17, 2013·Marine Environmental Research·M KiyomotoM Yamaguchi

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Citations

Mar 9, 2017·Scientific Reports·Shunsuke YaguchiHiroyuki Tanaka
Jun 8, 2018·Development, Growth & Differentiation·Haruka Suzuki, Shunsuke Yaguchi
May 20, 2020·Current Biology : CB·Shunsuke YaguchiTakashi Yamamoto
Dec 20, 2021·Development, Growth & Differentiation·Shunsuke Yaguchi, Junko Yaguchi

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