Hirose Euichi

J-GLOBAL         Last updated: Dec 15, 2018 at 12:25
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

Hirose E, Nakayama K, Yanagida T, Nawata A, Kitamura S-I
Zoological Science   35(6) 548-552   Dec 2018   [Refereed]
Kobayashi S, Hirose E, Denda T, Izawa M
Plant Species Biology   33(4) 312-316   Oct 2018   [Refereed]
Euichi Hirose, Jun Nishikawa
Plankton & Benthos Research   13(3) 129-135   Aug 2018   [Refereed]
Sensui N, Hirose E
Zoological Studies   57(33)    Jun 2018   [Refereed]
Sakai D, Kakiuchida H, Nishikawa J, Hirose E:
Zoological Letters   4(7)    Apr 2018   [Refereed]
Motokawa S, Narasaki Y, Song J-Y, Yokoyama Y, Hirose E, Murakami S, Jung S-J, Oh M-J, Nakayama K, Kitamura S-I
Parasitology International   67(2) 196-202   Apr 2018   [Refereed]
Invisible salps: tunic and its unique features
Hirose Euichi
Bulletin of the Plankton Society Japan   64(2) 153-156   Aug 2017   [Invited]

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

Project Year: Apr 2013 - Mar 2016
Project Year: 2011 - 2014
Project Year: 2011 - 2013
Project Year: 2010 - 2011
Project Year: 2010