Thesis
  • Eu. Hirose : Colony specificity and possible allo-recognitionsites in Botrylloides (Ascidiae Compositae). Doctor's Thesis of University of Tsukuba, 1990.
  • Eu. Hirose : A new type of the manifestation of colony specificity in the compound ascidian, Botrylloides violaceus Oka. Master's Thesis of University of Tsukuba, 1987.
Review Articles
  • Hirose, E: Ascidian photosymbiosis: Diversity of cyanobacterial transmission during embryogenesis. genesis,53(1): 121–131, 2015 (January) DOI: 10.1002/dvg.22778
  • Hirose E, Nakashima K, Nishino A: Is there intracellular cellulose in the appendicularian tail epidermis? A tale of the adult tail of an invertebrate chordate. Communicative & Integrative Biology 4(6): 768–771, 2011 (November) http://www.landesbioscience.com/journals/cib/article/17757/
  • Hirose, E.: Ascidian tunic cells: morphology and functional diversity of free cells outside the epidermis. Invertebrate Biology, 128(1): 83–96, 2009
  • Hirose, E. and T. Maruyama:  What are the benefits in the ascidian-Prochloron symbiosis? Sugiura M, Oelmueller R, Obokata J (eds): Endosymbiosis and Eukaryotic Organelles. Proceedings of the 8thInternational Congress on Endocytobiology and Symbiosis (Endocytobiology VIII). Endocytobiosis and Cell Research, 15: 51-62, 2004.
  • Hirose, E.: Colonial allorecognition, hemolytic rejection, and viviparity  in botryllid ascidians. Zoological Science, 20: 387-394, 2003.
  • Matsumoto, J., H. Ono, and E. Hirose: Recent advances in molecular biology on pigmentation of the medaka, Oryzias latipes. The Fish Biology Journal MEDAKA, 8: 29-35, 1996.
  • Saito, Y., E. Hirose & H. Watanabe: Allorecognition in compound ascidians. International Journal of Developmental Biology, 38: 237-247, 1994.
  • Hasegawa, Y., E. Hirose & Y. Katakura : Hormonal control of sexual differentiation and reproduction in crustacea. American Zoologist, 33: 403-411, 1993.

Book Chapter
  • Hirose E: Solar-powered invertebrates on coral reefs. In: Fujita K, Arakaki T, Denda T, Hidaka M, Hirose E, Reimer DJ (eds). Nature in the Ryukyu Archipelago: Coral Reefs, Biodiversity, and the Natural Environment. Faculty of Science, University of the Ryukyus, pp 98-103. 2015 (December). ISBN: 978-4-9908607-0-C0040, 978-4-9908607-1-C0040 http://www.sci.u-ryukyu.ac.jp/assets/files/FacultyandGraduateSchool/Book/NatureRyukyu.pdf
  • Hirose E, Neilan BA, Schmidt EW, Murakami A: Chapter 4 Enigmatic life and evolution of Prochloron and related cyanobacteria inhabiting colonial ascidians. In "Handbook on Cyanobacteria" (eds. PM Gault, HJ Marler), Nova Science Publishers, Inc., pp. 161-189, 2009. ISBN: 978-1-60741-092-8
Journal Articles
  • Hirose M, Hirose E, Kiyomoto M: Identification of five species of Dendrodoris (Mollusca: Nudibrancha) from Japan, using DNA barcode and larval characters. Marine Biodiversity, 45(4): 769-780, 2015 (December). doi: 10.1007/s12526-014-0288-2
  • Hirose E, Hirose M, Shy J-Y: Diplosoma gumavirens (Ascidiacea, Didemnidae): The first record of photosymbiotic ascidians in the Taiwan Strait. Marine Biodiversity Records, 8: e128, 2015 (August). doi:10.1017/S1755267215000330
  • Kimura S, Nakayama K, Wada M, Kim U-J, Azumi K, Ojima T, Nozawa A, Kitamura S-I, Hirose E: Cellulose is not degraded in the tunic of the edible ascidian Halocynthia roretzi contracting soft tunic syndrome. Disease of Aquatic Organisms, 116(2): 143–148, 2015 (October). doi:10.3354/dao02913
  • Nawata A, Hirose E, Kitamura S-I, Kumagai A: Encystment and excystment of kinetoplastid Azumiobodo hoyamushi, causal agent of soft tunic syndrome in ascidian aquaculture. Disease of Aquatic Organisms, 115(3): 253–262, 2015 (August) doi: 10.3354/dao02897
  • Hirose E, Yamasaki H: Fine structure of the integumentary cuticles and alimentary tissues of pycnophyid kinorhynchs Pycnophyes oshoroensis and Kinorhynchus yushini (Kinorhyncha, Homalorhagida). Zoological Science, 32(4): 389–395, 2015 (August). doi: 10.2108/zs150021
  • Yoshida R, Hirose M, Hirose E: Peltogasterella sensuru n. sp. (Crustacea: Cirripedia: Rhizocephala) from off Okinawa Island (Ryukyu Archipelago, Japan) with remarks on its single brood externae. Systematic Parasitology, 92 (1):31–44, 2015 (August) doi: 10.1007/s11230-015-9585-9
  • Hirose E, Sakai D, Shibata T, Nishii J, Mayama H, Miyauchi A, Nishikawa J: Does the tunic nipple array serve to camouflage diurnal salps? Journal of Marine Biological Association UK, 95(5): 1025–1031, 2015 (August) doi:10.1017/S0025315415000119
  • Vandepas LE, Oliveira LM, Lee SCS, Hirose E, Rocha RM, Swalla BJ: The biogeography of Phallusia nigra: Is it really black and white? Biological Bulletin, 228(1): 52–64, 2015 (February)
  • Ballarin L, Franchi N, Gasparini F, Caicci F, Miyauchi A, Hirose E: Suppression of cell-spreading and phagocytic activity on nano-pillared surface: in vitro experiment using hemocytes of the colonial ascidian Botryllus schlosseri. Invertebrate Survival Journal, 12: 82–88, 2015 (February)
  • Koplovitz G, Hirose E, Hirose M, Shenkar N: Being green in the Red Sea - The photosymbiotic ascidian Diplosoma simile (Ascidiacea: Didemnidae) in the Gulf of Aqaba. Systematics and Biodiversity, 13(2), 131–139, 2015 (March). DOI: 10.1080/14772000.2014.978410
  • Yoshda R, Hirose M, Hirose E: New distribution record of a rhizocephalan, Dipterosaccus indicus (Crustacea: Cirripedia), from Minami-Daito Island, an oceanic island of Japan. Marine Biodiversity Records, 7: e105, 2014 (September) doi: 10.1017/S1755267214000955
  • Hirose E, Uyeno D: Histopathology of a mesoparasitic hatschekiid copepod in hospite: Does Mihbaicola sakamakii (Copepoda: Siphonostomatoida: Hatschekiidae) fast within the host fish tissue? Zoological Science, 31(8), 546-552, 2014 (August) doi: 10.2108/zs140064
  • Yoshida R, Hirose M, Hirose E: Hermit crab host prevalence by species of the Peltogastridae (Cirripedia: Rhizocephala): hosts vary with locations of the Pacific coast in mainland Japan. Journal of Crustacean Biology, 34 (4): 467-480, 2014 (July) doi: 10.1163/1937240X-00002246
  • Franchi N, Hirose E, Ballarin L: Cellular aspects of allorecognition in the compound ascidian Botrylloides simodensis. Invertebrate Survival Journal, 11: 219-223, 2014 (July).
  • Hirose E, Kumagai A, Nawata A, Kitamura S-I: Azumiobodo hoyamushi, the kinetoplastid causing soft tunic syndrome in ascidians, may invade through the siphon wall. Disease of Aquatic Organisms, 109: 251-256, 2014 (July). doi: 10.3354/dao02744
  • Hirose E, Iskandar BH, Wardiatno Y: Photosymbiotic ascidians from Pari Island (Thousand Islands, Indonesia). ZooKeys,422: 1-10, 2014 (June)
  • Hirose E, Nozawa Y., Hirose M: First record of a photosymbiotic ascidian Lissoclinum midui (Ascidiacea: Didemnidae) from Lyudao (Green Island), Taiwan. Marine Biodiversity Records, 7: e42. 2014 (May)
  • Hirose E: Photosymbiotic ascidians (Ascidiacea: Didemnidae) from Minami-Daitojima Island. The Biological Magazine Okinawa, 52: 31–38, 2014 (March).
  • Hirose E, Mayama H, Miyauchi A: Does the aquatic invertebrate nipple array prevent bubble adhesion?: an experiment using nanopillar sheets. Biology Letters, 9: 20130552. 2013 (September). http://dx.doi.org/10.1098/rsbl.2013.0552
  • Hirose M, Hirose E: Photosymbiotic ascidians from oceanic islands in the tropical Pacific as candidates of long-dispersal species: morphological and genetic identification of the species. Aquatic Invasions, 8(3): 271–280, 2013 (August)
  • Aoki M, Matsumoto-Ohshima C, Hirose E, Nishikawa J: Mother–young cohabitation in Phronimella elongata and Phronima spp. (Amphipoda, Hyperiidea, Phronimidae). Journal of Marine Biological Association of the United Kingdom, 93(6): 1553–1556, 2013 (August)
  • Su S-W, Hirose E, Chen SLS,. Mok H-K: Photosymbiotic ascidians in Singapore: turbid waters may reduce living space. ZooKeys, 305: 55–65, 2013 (May) doi: 10.3897/zookeys.305.4893
  • Nagaya K, Hirose E: Pattern of stigma numbers as a taxonomic character in some didemnid ascidians (Aplousobranchia: Didemnidae). Zootaxa, 3608(1): 87–93, 2013 (January).
  • Kwan JC, Donia MS, Han AW, Hirose E, Haygood MG, Schmidt EW: Genome streamlining and chemical defense in a coral reef symbiosis. Proceedings of the National Academy of Sciences of the United States of America, Proceedings of the National Academy of Sciences of the United States of America, 109 (50): 20655-20660, 2012 (December)
  • Yoshida R, Hirose M, Hirose E: A new species of peltogastrid rhizocephalan parasitizing a hermit crab from Japan: the second species of Dipterosaccus (Crustacea: Cirripedia). Systematic Parasitology, 84(2): 137–147, 2013 (February)
  • Hirose E: Didemnid ascidians harboring cyanobacteria from Kumejima Island and Tonakijima Island, Ryukyu Archipelago, Japan.The Biological Magazine Okinawa, 51: 41–49, 2013 (May).
  • Yoshida R, Hirose M, Mok H-K, Hirose E: The first records of peltogastrid rhizocephalans (Crustacea, Cirripedia, Rhizocephala) on hermit crabs (Paguroidea) in Taiwan and the difference in prevalence among collection site. Zoological Studies, 51(7): 1027–1039, 2012 (December).
  • Hirose E, Turon X, López-Legentil S, Erwin PM, Hirose M: First records of didemnid ascidians harboring Prochloron from Caribbean Panama: Genetic relationships between Caribbean and Pacific photosymbionts and host ascidians. Systematics and Biodiversity, 10(4): 435–445, 2012 (November)
  • Takaichi S, Mochimaru M, Uchida H, Murakami A, Hirose E, Maoka T, Tsuchiya T, Mimuro M: Opposite chilarity of α-carotene in unusual chlorophyll-containing cyanobacteria, Acaryochloris and Prochlorococcus. Plant and Cell Physiology, 53(11): 1881–1888, 2012 (November)
  • Ota Y, Hoshino O, Hirose M, Tanaka K, Hirose E: Third-stage larva shifts host fish from teleost to elasmobranch in the temporary parasitic isopod, Gnathia trimaculata (Crustacea; Gnathiidae). Marine Biology, 159(10): 2333–2347, 2012 (October)
  • Maeda T, Hirose E, Chikaraishi Y, Kawato M, Takishita K, Yoshida T, Verbruggen H, Tanaka J, Shimamura S, Takaki Y, Tsuchiya M, Iwai K, Maruyama T: Algivore or phototroph? Plakobranchus ocellatus (Gastropoda) continuously acquires kleptoplasts and nutrition from multiple algal species in nature. PLoS One, 7(7): e42024, 2012 (July)
  • Hamada F, Yokono M, Hirose E, Murakami A, Akimoto S: Excitation energy relaxation in a symbiotic cyanobacterium, Prochloron didemni, occurring in coral-reef ascidians, and in a free-living cyanobacterium, Prochlorothrix hollandica. Biochimica et Biophysica Acta - Bioenergetics,1817: 1992-1997, 2012 (August)
  • Reimer JD, Mizuyama M, Nakano M, Fujii T, Hirose E: Current status of the distribution of the coral-encrusting cyanobacteriosponge Terpios hoshinota in southern Japan. Galaxea,13(1): 35–44, 2011. https://www.jstage.jst.go.jp/article/galaxea/13/1/13_1_35/_pdf
  • Wang J-T, Hirose E, Hsu G, Chen Y-Y, Meng P-J, Chen CA: Coral-killing sponge, Terpios hoshinota, releases larvae harboring cyanobacterial symbionts: an implication of dispersal. Zoological Studies, 51(3): 314–320, 2012 (May) http://zoolstud.sinica.edu.tw/Journals/51.3/314.pdf
  • Hirose M, Hirose E: A new species of Zanclea (Cnidaria: Hydrozoa)associated with scleractinian corals from Okinawa, Japan. Journal of Marine Biological Association of the United Kingdom, 92(5), 877-884, 2012 (August)
  • Kojima A, Hirose E: Transmission of cyanobacterial symbionts during embryogenesis in the coral reef ascidians Trididemnum nubilum and T. clinides (Didemnidae, Ascidiacea, Chordata). Biological Bulletin, 222: 63-73, 2012 http://www.biolbull.org/content/222/1/63.full.pdf+html
  • Hirose E, Nozawa A, Kumagai A, Kitamura S-I: Azumiobodo hoyamushi gen. nov. et sp. nov. (Euglenozoa, Kinetoplastea, Neobodonida): the pathogenic kinetoplastid of the soft tunic syndrome in ascidian aquaculture. Diseases of Aquatic Organisms, 97: 227–235, 2012 (January)
  • Hirose E, Su S-W: A new record of a photosymbiotic ascidian from Kenting, Taiwan with key to the photosymbiotic species of the genus Diplosoma recorded in the western Pacific. Collection and Research, 24: 83-86, 2011 (December) http://www.nmns.edu.tw/php/Library/research/201103-83.pdf
  • Nakano R, Uochi J, Fujita T, Hirose E: Kalinga ornata (Nudibranchia: Polyceridae): a unique case of a seaslug feeding on echinoderms. (Research Note) Journal of Molluscan Studies, 77(4): 413–416, 2011 (November)
  • Kumagai A, Suto A, Ito H, Tanabe T, Song Y-Y, Kitamura S, Hirose E, Kamaishi T, Miwa S: Soft tunic syndrome in the edible ascidian Halocynthia roretzi (Drasche) is caused by a kinetoplastid protist. Diseases of Aquatic Organisms, 95: 153–161, 2011 (June)
  • Yoshida R, Osawa M, Hirose M, Hirose E: A new genus and two new species of Peltogastridae (Crustacea: Cirripedia: Rhizocephala) parasitizing hermit crabs from Okinawa Island (Ryukyu Archipelago, Japan) and their DNA-barcodes. Zoological Science, 28(11): 853-862, 2011 (November)
  • Nakashima K, Nishino A, Hirose E: Forming a tough shell via an intracellular matrix and cellular junctions in the tail epidermis of Oikopleura dioica (Chordata: Tunicata: Appendicularia). Naturwissenschaften, 98: 661–669, 2011 (August)
  • Fujii T, Keshavmurthy S, Zhou W, Hirose E, Chen CA, Reimer JD: Coral-killing cyanobacteriosponge (Terpios hoshinota) on the Great Barrier Reef. (Reef SIte). Coral Reefs, 30(2): 483, 2011 (June)
  • Kumagai A, Suto A, Ito H, Tanabe T, Song Y-Y, Kitamura S, Hirose E, Kamaishi T, Miwa S: Soft tunic syndrome in the edible ascidian Halocynthia roretzi (Drasche) is caused by a kinetoplastid protist. Diseases of Aquatic Organisms, 95: 153–161, 2011 (June)
  • Nakano R, Hirose E: Field experiments on the feeding of the nudibranch Gymnodoris spp. (Nudibranchia: Dorinina, Gymnodorididae) in Japan. The Veliger, 51(2): 66–75, 2011 (May)
  • Hirose E, Hirose M: A new didemnid ascidian Lissoclinum midui sp. nov. from Kumejima Island (Okinawa, Japan), with remarks on the absence of a common cloacal system and the presence of an unknown organ. Zoological Science, 28(6): 462–468, 2011 (June)
  • Hirose M, Obutchi M, Hirose E, Reimer JD: Timing of spawning and early development of Palythoa tuberculosa (Anthozoa, Zoantharia, Sphenopidae) in Okinawa, Japan. Biological Bulletin, 220 (1): 23-31, 2011 (February).
  • Nakashima K, Nishino A, Horizawa Y, Hirose E, Sugiyama J, Satoh N: The crystalline phase of cellulose changes under developmental control in a marine chordate. Cellular and Molecular Life Sciences, 68:1623–1631, 2011 (April)
  • Hirose E, Murakami A: Microscopic anatomy and pigment characterization of coral-encrusting black sponge with cyanobacterial symbiont, Terpios hoshinota. Zoological Science, 28 (3): 199-205, 2011 (March)
  • Hirose M, Nozawa Y, Hirose E: Genetic isolation among the morphotypes within the photosymbiotic didemnid Didemnum molle (Ascidiacea, Tunicata) from the Ryukyus and Taiwan. Zoological Science, 27 (12): 959–964, 2010 (December)
  • Reimer JD, Nozawa Y, Hirose E: Domination and disappearance of the black sponge: a quarter century after the initial Terpios outbreak in southern Japan. Zoological Studies, 50(3): 394, 2011 (May)
  • Sugiyama N, Iseto T, Hirose M, Hirose E: Reproduction and population dynamics of the solitary entoproct Loxosomella plakorticola Iseto & Sugiyama, 2008 (Entoprocta: Loxosomatidae) inhabiting a demosponge Plakortis sp. Marine Ecology Progress Series, 415: 73–82, 2010.
        doi: 10.3354/meps08747
  • Reimer JD, Nakachi S, Hirose M,  Hirose E, Hashiguchi S: Using hydrofluoric acid for morphological investigations of zoanthids (Cnidaria: Anthozoa): a critical assessment of methodology and necessity. Marine Biotechnology, 12 (5): 605–617, 2010 (October)
        DOI 10.1007/s10126-009-9249-3
  • Iseto T, Hirose E: Comparative morphology of the foot structure of four genera of Loxosomatidae (Entoprocta), implications for foot functions and taxonomy. Journal of Morphology, 271(10): 1185–1196, 2010 (October)
  • Hirose E, Nozawa Y: Photosymbiotic ascidians from Kenting and Lyudao in Taiwan. Zoological Studies, 49(5): 681-687, 2010 (September)
  • Ota Y, Tanaka K, Hirose M, Hirose E: Description of a new species of Elaphognathia from Japan based on morphological and molecular traits. Journal of Crustacean Biology, 30(4): 710-720, 2010
  • Hirose M, Osawa M, Hirose E: DNA barcoding of hermit crabs of genus Clibanarius Dana, 1852 (Anomura: Diogenidae) in the Ryukyu Islands, southwestern Japan. Zootaxa, 2414: 59–66, 2010 (March)
  • Kojima A, Hirose E: Transfer of prokaryotic algal symbionts from a tropical ascidian (Lissoclinum punctatum) colony to its larvae. Zoological Science, 27(2): 124-127, 2010  (February)
  • Hirose M, Tochikubo T, Hirose E: Taxonomic significance of tunic spicules in photosymbiotic ascidians: A quantitative and molecular evaluation. Journal of the Marine Biological Association of the United Kingdom, 90(5): 1065-1071, 2010 (June)
        doi:10.1017/S0025315409991263
  • Kitamura S-I , Ohtake S-I , Song J-Y, Jung S-J, Oh M-J, Choi B-D, Azumi K, and Hirose E: Tunic morphology and viral surveillance in diseased Korean ascidians: soft tunic syndrome in the edible ascidian Halocynthia roretzi (Drasche) in aquaculture.  Journal of Fish Disease,  33(2): 153–160, 2010 (February)
        doi:10.1111/j.1365-2761.2009.01103.x
  • Kuze K, Hirose E: Unknown gastropod laid eggs in the ascidian tunic from underside of the colony in Trididemnum cyclops. (Short Report) The Biological Magazine Okinawa, 47: 25–28, 2009 (October)
  • Ota Y, Hirose E: Gnathia nubila n. sp. and a new record of Gnathia grandilaris (Crustacea, Isopoda, Gnathiidae) that parasitizes elasmobranchs from Okinawan coastal waters, Japan. Zootaxa, 2238: 43-55, 2009 (September)
  • Hirose M, Hirose E: DNA-barcoding in photosymbiotic species of the genus Diplosoma (Ascidiacea: Didemnidae) and a description of a new species from the southern Ryukyus, Japan. Zoological Science, 26(8): 564-568, 2009 (August)
        doi: 10.2108/zsj.26.564
  • Ota Y, Hirose E: Description of Gnathia maculosa and a new record of Gnathia trimaculata (Crustacea, Isopoda, Gnathiidae), ectoparasites of elasmobranchs from Okinawan coastal waters. Zootaxa, 2114: 50–60, 2009.
  • Hirose E, Oka, AT, Hirose M: Two new species of photosymbiotic ascidians of the genus Diplosoma from the Ryukyu Archipelago with partial sequences of the COI gene. Zoological Science, 26(5): 362–368, 2009 (May)
        doi:10.2108/zsj.26.362
  • Hirose E, Uchida H, Murakami A: Ultrastructural and microspectrophotometric characterisation of multiple species of cyanobacterial photosymbionts coexisting in the colonial ascidian Trididemnum clinides (Tunicata, Ascidiacea, Didemnidae). European Journal of Phycology, 44(3): 365-375, 2009 (Aug)
        DOI: 10.1080/09670260802710269
  • Hirose E, Ohtake S-I, Azumi K: Morphological characterization of the tunic in the edible ascidian Halocynthia roretzi (Drasche), with remarks on "soft tunic syndrome" in aquaculture. Journal of Fish Disease, 32 (5), 433–445, 2009 (May)
        doi:10.1111/j.1365-2761.2009.01034.x
  • Hirose M, Yokobori S, Hirose E: Potential speciation of morphotypes in the photosymbiotic ascidian Didemnum molle in the Ryukyu Archipelago, Japan. Coral Reefs, 28 (1):119–126, 2009. DOI: 10.1007/s00338-008-0425-0
  • Ota Y, Tanaka K, Hirose E: Seasonal fluctuations of the sponge-dwelling gnathiid isopod Elaphognathia aff. cornigera.
        Crustacean Research, 37: 14-25, 2008 (Dec.) 
  • Hirose E, Nakabayashi S: Algal symbionts in the tunic lamellae on the posterior half of thelarval trunk of the colonial ascidian Lissoclinum timorense (Ascidiacea, Didemnidae). Zoological Science, 25 (11)  , 2008 (Dec.)
  • Hirose E, Oka AT: A new species of photosymbiotic ascidian from the Ryukyu Archipelago, Japan, with remarks on the stability of stigma number in photosymbiotic Diplosoma species. Zoological Science, 25 (12)  , 2008 (Dec.)
  • Iseto T, Sugiyama N, Hirose E: A new Loxosomella inhabiting a sponge from a reef slope in Okinawa Island, with special focus on foot structure (Entoprocta: Loxosomatidae). Zoological Science, 25 (11)  , 2008 (Nov.)
  • Ishii T, Hirose E, Taneda Y: Tunic phagocytes areinvolved in allo-rejection reaction in the colonial tunicate Aplidium yamazii (Polyclinidae, Ascidiacea). Biological Bulletin, 214: 145-152, 2008 (Apr.)
  • Yokobori S,  Iseto T, Asakawa S, Sasaki T, Shimizu N, Yamagishi A, Oshima T, Hirose E: Complete nucleotide sequences of mitochondrial genomes of two solitary entoprocts, Loxocorone allax and Loxosomella aloxiata: Implications for lophotrochozoan phylogeny. Molecular Phylogenetics and Evolution, 47: 612–628, 2008 (Apr.)
  • Teruya K, Hirose E: Seasonality of the sexual reproduction in a photosymbiotic ascidian Lissoclinum timorense (Chordata, Ascidiacea) in the reef lagoon at Bise, Okinawajima Island. (Short Report) The Biological Magazine Okinawa, 46: 55-60, 2008 (Apr.)
  • Fukuda T and Hirose E: Differences in associated crustacean fauna and seasonality of sexual reproduction between two color morphs of the photosymbiotic ascidian Didemnum molle. Pacific Science, 62(3): 309-316, 2008 (May)
  • Oka AT, Hirose E: Photosymbiotic ascidians from Nakanoshima Island and Takarajima Island (the Tokara Islands, Ryukyu Archipelago, Japan) with remarks on the status of Diplosoma midori (Tokioka 1954). The Publication of the Seto Marine Biological Laboratory, 40 (5/6): 85-92, 2008 (Jun.).
  • Hirose E, Hirose M: Morphological process of vertical transmission of photosymbionts in the colonial ascidian Trididemnum miniatum Kott, 1977. Marine Biology, 150(3): 359-367, 2007. DOI:10.1007/s00227-006-0378-1
  • Münchhoff J, Hirose E, Maruyama T, Sunairi M, Burns BP, Neilan BA: Host specificity and phylogeography of the prochlorophyte Prochloron sp., an obligate symbiont in didemnid ascidians. Environmental Microbiology, 9(4): 890–899, 2007. doi:10.1111/j.1462-2920.2006.01209.x
  • Hirose E, Kamijoh A, Oka AT: Distribution of the photosymbiotic ascidians in Chichijima Island (Ogasawara Islands, Tokyo). The Biological Magazine Okinawa, 45: 3–9, 2007.
  • Oka AT, Fukuda T, Hirose E: Didemnid ascidians harboring prokaryotic algae from Amamiohshima Island, Ryukyu Archipelago, Japan. (Short Report). The Biological Magazine Okinawa, 45: 27–31, 2007.
  • Iseto T, Yokuta Y, Hirose E: Seasonal change of species composition, abundance, and reproduction of solitary entoprocts in Okinawa Island, the Ryukyu Archipelago, Japan. Marine Biology, 151: 2099-2107, 2007 (July) DOI 10.1007/s00227-007-0643-y
  • Hirose E, Kojima A, Nogami J, Teruya K: Seasonality of sexual reproduction in three photosymbiotic Trididemnum species (Didemnidae, Ascidiacea, Tunicata) in a subtropical seagrass bed. Journal of the Marine Biological Association of the United Kingdom, 87: 979-982, 2007. doi: 10.1017/S0025315407057219
  • Ota Y, Tanaka K, Hirose E: A new species of Gnathia (Isopoda: Cymothoida: Gnathiidae) from Okinawajima Island, Ryukyu Archipelago, southwestern Japan. Zoological Science, 24: 1266-1277, 2007  (Dec.) doi:10.2108/zsj.24.1266
  • Hirose E, Hirose M: Body colors and algal distribution in the acoel flatworm Convolutriloba longifissura: histology and ultrastructure. Zoological Science, 24: 1241-1246, 2007 (Dec.) doi:10.2108/zsj.24.1241
  • Hirose, E., Iwai, K., Maruyama, T.: Establishment of the photosymbiosis in the early ontogeny of three giant clams. Marine Biology, 148 (3): 551-558, 2006.
  • Hirose E, Adachi R, Kuze K: Sexual reproduction of the Prochloron-bearing ascidians, Trididemnum cyclops and Lissoclinum bistratum, in subtropical waters: seasonality and vertical transmission of photosymbionts. Journal of the Marine Biological Association of the United Kingdom, 86: 175-179, 2006.
  • Hirose E, Hirabayashi S, Hori K, Kasai F, Watanabe MM: UV protection in the photosymbiotic ascidian Didemnum molle inhabiting different depths. Zoological Science, 23:57-63, 2006.
  • Yokobori S, Kurabayashi A, Neilan BA, Maruyama T, Hirose E: Multiple origins of the ascidian-Prochloron symbiosis: Molecular phylogeny of photosymbiotic and nonsymbiotic colonial ascidians inferred from 18S rDNA sequences. Molecular Phylogenetics and Evolution, 40: 8-19, 2006.
  • Hirose E, Hirose M, Neilan BA: Localization of symbiotic cyanobacteria in the colonial ascidian Trididemnum miniatum (Didemnidae, Ascidiacea). Zoological Science, 23:435-442, 2006.
  • Hirose E, Fukuda T: Vertical transmission of photosymbionts in the colonial ascidian Didemnum molle: the larval tunic prevents symbionts from attaching to the anterior part of larvae. Zoological Science, 23: 669-674, 2006.
       DOI 10.2108/zsj.23.669
  • Hirabayashi S, Kasai F, Watanabe MM, Hirose E: Contents of ultraviolet-absorbing substances in two color morphs of the photosymbiotic ascidian Didemnum molle. Hydrobiologia, 571 (1): 419-422, 2006.
  • Hirose, E., Aoki, M. N., Nishikawa J.: Still alive? Fine structure of the barrels made by Phronima (Crustacea: Amphipoda).  Journal of the Marine Biological Association of the United Kingdom, 85 (6): 1435-1439, 2005
  • Oka, A. T., E. Hirose: Some didemnid ascidians harboring prokaryotic algae from the reef shores in the Yaeyama Islands, Okinawa, Japan.   The Biological Magazine Okinawa, 43: 45-52, 2005.
  • Hirose, E., A. T. Oka, M. Akahori: Sexual reproduction of the photosymbiotic ascidian Diplosoma virens in the Ryukyu Archipelago, Japan: vertical transmission, seasonal change, and possible impact of parasitic copepods.  Marine Biology, 146: 677-682, 2005.
  • Oka, A. T., M. Suetsugu, E. Hirose: Two new species of Diplosoma (Ascidiacea: Didemnidae) bearing prokaryotic algae Prochloron from Okinawajima (Ryukyu Archipelago, Japan). Zoological Science, 22: 367-374, 2005.
  • Hirose, E. : Digestive system of the sacoglossan Plakobranchus ocellatus (Gastropoda: Opisthobranchia): light- and electron-microscopic observations with remarks on chloroplast retention. Zoological Science, 22: 905-916, 2005.
  • Hirose, E., and M. Akahori: Comparative morphology of the stolonic vessel in a didemnid ascidian and some related tissues in colonial ascidians. Zoological Science, 21: 445-455, 2004.
  • Hirose, E., K. Ohtsuka, M. Ishikura, and T. Maruyama: Ultraviolet absorption in ascidian tunic and ascidian-Prochloron symbiosis. Journal of the Marine Biological Association of the United Kingdom, 84: 789-794, 2004.
  • Hirose, E., M. Akahori, A. T. Oka, and A. Kurabayashi: Some Prochloron-bearing didemnid ascidians collected from the reef shores of Iriomote Island (Okinawa, Japan). The Biological Magazine Okinawa, 42: 7-15, 2004.
  • Maruyama T, Hirose E, Ishikura M: Ultraviolet light absorbing tunic cells in didemnid ascidians hosting a symbiotic photo-oxygenic prokaryote, Prochloron. Biological Bulletin, 204: 109: 113, 2003.
  • Hirose E, Shirae M, Saito Y: Ultrastructures and classification of circulating hemocytes in 9 botryllid ascidians (Chordata: Ascidiacea). Zoological Science, 20: 647-656, 2003.
  • Okuyama M, Y Saito, E Hirose: Fusion between incompatible colonies of a viviparous ascidian, Botrylloides lentus. Invertebrate Biology, 121(2): 163-169, 2002.
  • Shirae M, L Ballarin, A Frizzo, Y Saito, E Hirose: Involvement of quinones and phenoloxidase in the allorejection reaction in a colonial ascidian, Botrylloides simodensis: Histochemical and immunohistochemical study. Marine Biology, 141(4): 659-665, 2002.
  • Hirose E, M Shirae, Y Saito: Colony specificity in the xenogeneic combinations among four Botrylloides species (Urochordata, Ascidiacea). Zoological Science, 19: 747-753, 2002.
  • Okuyama M, Saito Y, Ogawa M, Takeuchi A, Jing Z, Naganuma T, Hirose E: Morphological studies on the bathyal ascidian, Megalodicopia hians Oka 1918 (Octacnemidae, Phlebobranchia), with remarks on feeding and tunic morphology. Zoological Science,19: 1181-1189, 2002.
  • Kimura, S., C. Ohshima, E. Hirose, J. Nishikawa, T. Itoh: Cellulose in the house of the Appendicularian, Oikopleura rufescens. Protoplasma, 216 (1-2): 71-74, 2001.
  • Hirose, E., H. Yamashiro, Y. Mori: Properties of tunic acid in the ascidian Phallusia nigra (Ascidiidae, Phlebobranchia). Zoological Science, 18: 309-314, 2001.
  • Ohshima, C., S. Nakamura, J. Nishikawa, E. Hirose: The occurrence of pyrosomas in the vicinity of Maeda Point (Okinawa Island) and Sesoko Island. The Biological Magazine Okinawa, 39: 1-4, 2001. (in Japanese with English abstract)
  • Hirose, E.: Acid containers and cellular networks in the acidian tunic with special remarks on the ascidian phylogeny. Zoological Science, 18: 723-731, 2001.
  • Hirose E, C Ohshima, Nishikawa J: Tunic cells in pyrosomes (Thaliacea, Urochordata): cell morphology, distribution, and motility. Invertebrate Biology, 120: 386-393, 2001.
  • Hirose, E.: Plant rake and algal pouch of the larvae in the tropical ascidian Diplosoma similis: an adaptation for vertical transmission of photosynthetic symbionts Prochloron. Zoological Science, 17:233-240, 2000
  • Hirose, E.: Diet of a notodelphyid copepod inhabiting in an algal-bearing didemnid ascidian Diplosoma virens. Zoologocal Science, 17: 833-838, 2000.
  • Hirose, E., S. Kimura, T. Itoh, J. Nishikawa: Tunic morphology and cellulosic components of pyrosomas, doliolids and salps (Thaliacea, Urochordata). Biological Bulletin, 196: 113-120, 1999.
  • Hirose, E.: Pigmentation and acid storage in the tunic: protective functions of the tunic cells in the tropical ascidian Phallusia nigra. Invertebrate Biology, 118 (4): 414-422, 1999.
  • Shirae, M., E. Hirose, and Y. Saito: Behavior of hemocytes in the allorejection reaction in two compound ascidians, Botryllus scalaris and Symplegma reptans.Biological Bulletin, 197: 188-197, 1999.
  • Hirose , E., T. Maruyama, L. Cheng and R. A. Lewin: Intra- and extra-cellular distribution of photosynthetic prokaryotes, Prochloron sp., in a colonial ascidian: ultrastractural and quantitative studies. Symbiosis, 25: 301-310, 1998.
  • Hirose , E., T. Yoshida, T. Akiyama, S. Ito, and Y. Iwanami: Pigment Cells Representing Polychromatic Colony Color in Botrylloides simodensis (Ascidiacea, Urochordata): Cell Morphology and Pigment Substances. Zoological Science, 15: 489-497, 1998.
  • Chiba, K. Hoshi, M. Isobe and E. Hirose: Bioluminescence in the tunic of the colonial ascidian, Clavelina miniata :Identification of luminous cells in vitro. Journal of Experimental Zoology, 281: 546-553, 1998.
  • Moritomo, M., T. Shiibashi, K. Hatano, E. Hirose, S. Nogami and H. Kodama: Differentiation and proliferation of B lymphocytes in a culture of carp hematopoietic cells. Fish Pathology, 33: 135-140, 1998.
  • Eu. Hirose, Y. Saito & H. Watanabe: Subcuticular rejection: an advanced mode of the allogeneic rejection reaction in the compound ascidian, Botrylloides simodensis and B. fuscus. Biological Bulletin, 192: 53-61, 1997.
  • Eu. Hirose, Y. Taneda, T. Ishii: Two modes of tunic cuticle formation in a colonial ascidian Aplidium yamazii, responding to wounding. Developmental and Comparative Immunology 21: 25-34, 1997.
  • Eu. Hirose, G. Lambert, T. Kusakabe and T. Nishikawa: Tunic cuticular protrusions in ascidians (Chordata, Tunicata): A perspective of their character-state distribution. Zoological Science, 14: 683-689, 1997.
  • H. Yamagishi & Eu. Hirose: Transfer of heart pacemaker during juvenile development in the isopod crustacean Ligia exptica. Journal of Experimental Zoology, 200: 2393-2404, 1997.
  • Eu. Hirose, M. Aoki and K. Chiba: Fine structures of tunic cells and distribution of bacteria in the tunic of the luminescent ascidian Clavelina miniata (Ascidiacea, Urochordata). Zoological Science 13: 519-523, 1996.
  • M. Nakajima, T. Ogura, Y. Kusama, N. Iwabuchi, T. Imawaka, A. Araki, T. Sasaki, Eu. Hirose and M. Sunairi: Inhibitory effects of odor substances, geosmin and 2-methylisoborneol, on early development of sea urchins - Research Note. Water Research, 30: 2508-2511, 1996
  • Eu. Hirose, T. Maruyama, L. Cheng and R. A. Lewin: Intracellular symbiosis of a photosynthetic prokaryote, Prochloron, in a colonial ascidian. Invertebrate Biology,115: 343-348, 1996.
  • Eu. Hirose, Y. Saito & H. Watanabe: Regeneration of the tunic cuticle in the compound ascidian, Botrylloides simodensis. Developmental and Comparative Immunology 19:143-151, 1995
  • Eu. Hirose and T. Ishii: Microfilament contraction promotes rounding of tunic slices: an integumentary defense system in the colonial ascidian Aplidium yamazii.. Biological Bulletin 189: 29-35, 1995.
  • Eu. Hirose, T. Ishii, Y. Saito & Y. Taneda : Phagocytic activity of tunic cells in the colonial ascidian Aplidium yamazii (Polyclinidae, Aplousobranchia). Zoological Science 11: 203-208, 1994.
  • Eu. Hirose, T. Ishii, Y. Saito & Y. Taneda : Seven types of tunic cells in the colonial ascidian Aplidium yamazii (Polyclinidae, Aplousobranchia): Morphology, classification, and possible functions. Zoological Science 11: 737-743, 1994.
  • Eu. Hirose, Y. Saito & H. Watanabe: A "surgical fusion" between incompatible colonies of the ascidian, Botrylloides fuscus. Developmental and Comparative Immunology 18: 287-294, 1994.
  • Eu. Hirose & J. Matsumoto: Differentiation of pigmented tissues in the eyes of medaka (Oryzias latipes) embryos: An electron microscope study. The Fish Biology Journal MEDAKA 6:25-31, 1994.
  • T. Seikai, Eu. Hirose & J. Matsumoto: Dual appearances of pigment cells from in vitro cultured embryonic cells of Japanese flounder: An implication for a differentiation-associated clock. Pigment Cell Research, 6: 423-431, 1993.
  • Eu. Hirose & J. Matsumoto : Deficiency of the dominant gene B impairs differentiation of melanophores in the medaka fish, Oryzias latipes : Fine structure studies. Pigment Cell Research, 6: 45-51, 1993.
  • Eu. Hirose & H. Mukai : An ultrastructural study on the origin of glomerulocytes, a type of blood cell in a styelid ascidian, Polyandrocarpa misakiensis . Journal of Morphology, 211: 269-273, 1992.
  • Eu. Hirose, T. Nishikawa, Y. Saito & H. Watanabe : Minute protrusions of ascidian tunic cuticle : Some implications for ascidian phylogeny. Zoological Science, 9: 397-404, 1992.
  • Eu. Hirose, H. Toda, Y. Saito & H. Watanabe : Formation of the multiple-layered fertilization envelope in the embryo of Calanus sinicus Brodsky (Copepoda: Calanoida). Journal of Crustacean Biology, 12 :186-192, 1992.
  • T. Kuramoto, Eu. Hirose & M. Tani : Neuromuscular transmission and hormonal modulation in the cardioarteral valve of the lobster, Homarus americanus. Hill R. B., K, Kuwasawa, B. R. McMahon and T. Kuramot (eds): Phylogenetic models in functional coupling of the CNS and the cardiovascular system. Comp. Physiol. Karger, Basel, vol. 11, 62-69, 1992.
  • H. Yamagishi & Eu. Hirose : Nervous regulation of the myogenic heart in early juveniles of the isopod crustacean, Ligia exotica. Hill R. B., K, Kuwasawa, B. R. McMahon and T. Kuramot (eds): Phylogenetic models in functional coupling of the CNS and the cardiovascular system. Comp. Physiol. Karger, Basel, vol. 11, 141-148, 1992.
  • J. Matsumoto, T. Akiyama, Eu. Hirose, M. Nakamura, H. Yamamoto & T. Takeuchi : Expression and transmission of wild-type pigmentation in the skin of transgenic orange-colored variants of medaka (Oryzias latipes ) bearing the gene for mouse tyrosinase. Pigment Cell Research, 5: 322-327, 1992.
  • H. Toda & Eu. Hirose : SEM and TEM observations on egg membranes of the two types of Calanus sinicus eggs. Proceedings Fourth International Conference on Copepoda; Bulletin of Plankton Society of Japan, Special Vollume: 613-617, 1991.
  • Eu. Hirose, Y. Saito & H. Watanabe : Tunic cell morphology and classification in botryllid ascidians. Zoological Science, 8: 951-958, 1991.
  • Eu. Hirose, Y. Saito & H. Watanabe : Allogeneic rejection induced by the cut surface contact in the compound ascidian, Botrylloides simodensis. Invertebrate Development and Reproduction, 17: 159-164, 1990.
  • Eu. Hirose, K. Hashimoto, Y. Saito & H. Watanabe : Minute protrusions of the cuticle: Fine surface structure of the tunic surface in ascidians. Journal of Morphology, 204: 67-73, 1990.
  • Eu. Hirose, Y. Saito & H. Watanabe : A new type of the manifestation of colony specificity in the compound ascidian, Botrylloides violaceus Oka. Biological Bulletin, 175: 240-245, 1988.
University Bulletin Articles
  • Ishii, T., and E. Hirose: Fate of  tunic phagocytes in the colonial ascidian Aplidium yamazii.  Memoirs of the Faculty of Education and Human Studies, Akita University (Natural Science), 58: (in press), 2003.
  • K. Miyazaki and E. Hirose: Application of SEM to the gonad embedded in paraffin in a pycnogonid, Ascorhynchus ramipes (Pycnogonida; Ammotheidae) and an ascidian, Herdomania momus (Ascidiacea; Pyuridae) The Hiyoshi Review of Natural Science, 14:18-21, 1993. 
  • Eu. Hirose : Tunic cells in Leptoclinides echinatus (Didemnidae, Ascidiacea): An application of scanning electronmicroscopy for paraffin embedding specimens. The Hiyoshi Review of Natural Science, 11: 5-8, 1992.
  • Eu. Hirose & Y. Saito: Threadlike bacteria in the tunic of a botryllid ascidian. (Note) The Hiyoshi Review of Natural Science, 12 : 108-110, 1992.