サンゴ礁生物「見える化」プロジェクト (2017–2021)

生物の体に見られる物理的特性解明

琉球大学理学部が実施する高度統合型熱帯海洋科学技術イノベーション創出研究拠点形成事業(ORCHIDS: 2017–2021)の 研究プロジェクトの一つサンゴ礁生物「見える化(可視化・数値化)」プロジェクト 』に参加し、「生物の体に見られる物理的特性解明」を課題に研究を進めています。本研究課題では、海棲無脊椎動物の生息環境の表面や生物体の表面・外被組織(外皮組織)について、温度や濡れ性、微細構造など「目に見えない性質」を計測し、生物の生き方を「見える化」することを目指しています

以下のリンクから研究成果の一部を紹介します。

プロジェクトの助成による論文リスト

Aruga N, Hirose E (in press) How to wear a sandy coat: Secretory cells in the dorsal epidermis in the sea cucumber Holothuria atra (Echinodermata: Holothuroidea). Zool Sci, doi.org/10.2108/zs200171

Hirose E, Sakai D, Iida A, Obayashi Y, Nishikawa J (2021) Exumbrellar surface of jellyfish: a comparative fine structure study with remarks on surface reflectance. Zool Sci 38(2): 170–178, 2021 (April) doi.org/10.2108/zs200111

Hirose E, Nozawa Y (2020) Convergent evolution of the vertical transmission mode of the cyanobacterial obligate symbiont Prochloron distributed in the tunic of colonial ascidians. J Zool Syst Evol Res 1–9. doi: 10.1111/jzs.12370

Chihara S, Nakamura T, Hirose E (2020) Seasonality and longevity of the functional chloroplasts retained by the sacoglossan sea slug Plakobranchus ocellatus van Hasselt, 1824 inhabiting a subtropical back reef off Okinawa-Jima Island, Japan. Zool Stud 59:65. doi: 10.6620/ZS.2020.59-65

Sensui N, Hirose E (2020) Wettability and Substrate Selection in the Larval Settlement of the Solitary Ascidian Phallusia philippinensis (Phlebobranchia: Ascidiidae). Zool Sci 37:1. doi: 10.2108/zs200021

Sakai D, Kakiuchida H, Harada K, et al (2019) Parallel plications may enhance surface function: Physical properties of transparent tunics in colonial ascidians Clavelina cyclus and C. obesa. J Mar Biol Assoc UK 99:1831–1839. doi: 10.1017/S0025315419000833

Hirose E, Sensui N (2019) Does a nano-scale nipple array (moth-eye structure) suppress the settlement of ascidian larvae ? J Mar Biol Assoc UK 99:1393–1397. doi: 10.1017/S0025315419000213

Sensui N, Hirose E (2018) Cytoplasmic UV-R absorption in an integumentary matrix (tunic) of photosymbiotic ascidian colonies. Zool Stud 57:1–11. doi: 10.6620/ZS.2018.57-33

Hirose E, Nishikawa J (2018) Fine structures of the mantle tissue in the pinkish-brown salp Pegea confoederata (Tunicata: Thaliacea). Plankt Benthos Res 13:129–135. doi: 10.3800/pbr.13.

Uozumi R, Yamasaki H, Hirose E (2018) Mangrove forests may serve as stable environments for the meiobenthic Echinoderes komatsui (Kinorhyncha: Cyclorhagida): distribution patterns and population dynamics in a subtropical estuary. Mar Biol Res 14:321–333. doi: 10.1080/17451000.2017.1408916

Sakai D, Kakiuchida H, Nishikawa J, Hirose E (2018) Physical properties of the tunic in the pinkish-brown salp Pegea confoederata (Tunicata: Thaliacea). Zool Lett. doi: 10.1186/s40851-018-0091-1