Hirose Euichi

J-GLOBAL         Last updated: Jan 11, 2018 at 20:47
Hirose Euichi
University of the Ryukyus
Faculty of Science, Department of Chemistry, Biology and Marine Sciences, Faculty of Science Department of Chemistry, Biology, and Marine Science
Job title
Ph. D.(University of Tsukuba)


As a sessile organisms who cannot escape from dangers in habitat, the functions of integumentary tissues should be very important to survive in hazardous environment. Morphological and functional diversity of the tunic (and tunic cells) is one of my main subject to be explored. The major component of tunic is cellulose: tunicates (ascidians and the other urochordates) are the only metazoan group that can synthesize cellulose. Thus, cellulosic integument, such as tunic, is a synapomorph of tunicates (= urochordates).
Algal symbiosis is another research subject in these years, since some colonial ascidians harbor cyanophytes. Tunic and tunic cells are often involved in the process of transmission of the algal symbions from the mother colony to their progeny. I also study some other photosymbiotic metazoans inhabiting coral reefs.

Research Areas


Academic & Professional Experience

Apr 2005
Professor, Dpt. Chemistry, Biology, and Marine Science, Fac. of Science, University of the Ryukyus
Apr 1997
Mar 2005
Associate Professor, Dpt. Chemistry, Biology, and Marine Science, Fac. of Science, University of the Ryukyus
Apr 1995
Mar 1997
Lecturer, College of Agriculture and Veterinary Medicine, Nihon University
Apr 1993
Mar 1995
Assistant, College of Agriculture and Veterinary Medicine, Nihon University
Oct 1992
Mar 1993
Assistant, Institute of Biology, University of Tsukuba


生物学専攻, 生物科学研究科, 筑波大学大学院

Published Papers

Invisible salps: tunic and its unique features
Hirose Euichi
Bulletin of the Plankton Society Japan   64(2) 153-156   Aug 2017   [Invited]
Quick preparation of the resin-embedding of invertebrate wet specimens using UV-curing resin for handcrafts
Euichi Hirose, Yuka Ohshiro
Biological Magazine Okinawa   55 43-46   Mar 2017   [Refereed]
Ishii D, Yamasaki H, Uozumi R, Hirose E
Royal Society Open Science   3(10)    Oct 2016   [Refereed]
Nozawa Y, Huan Y-S, Hirose E
Coral Reefs   35(3) 1071-1081   Sep 2016   [Refereed]
Seasonal fluctuation of opisthobranchs in the shallow reef lagoon at Zanpa (Okinawajima Island, Ryukyu Archipelago, Japan) (in Japanese)
Tanamura D, Hirose E
The Biological Magazine Okinawa   54 17-25   Mar 2016   [Refereed]
Hirose M, Hirose E, Kiyomoto M
Marine Biodiversity   45(4) 769-780   Dec 2015   [Refereed]

Books etc

Handbook on Cyanobacteria
Hirose E, Neilan BA, Schmidt EW, Murakami A (Part:Contributor, Enigmatic life and evolution of Prochloron and related cyanobacteria inhabiting colonial ascidians)
Nova Science Publishers, Inc.   2009   ISBN:978-1-60741-092-8

Research Grants & Projects

: Grant-in-Aid for Scientific Research
Project Year: 1995   
: The Other Research Programs
Project Year: 1992   
: The Other Research Programs
Project Year: 2004