Last Updated :2021/01/05

Affiliations, Positions
Graduate School of Integrated Sciences for Life, Professor
Web Site
Other Contact Details
1-4-4,Kagamiyama,Higashi-Hiroshima, Japan
TEL : (+81)82-424-7996 FAX : (+81)82-424-7916
Recently, substantial changes are occurring in the seas around the world. I visit the sites of changes and study the extensive marin environmental changes taking place from a view point of microarganisms, especially, phytoplankton, hopin to maintain the fertility of the seas for humankind.

Basic Information

Educational Backgrounds

  • Tokyo University of Fisheries, Graduate School, Division of Fisheries, Japan, 1993/04, 1994/03
  • Tokyo University of Fisheries, Faculty of Fisheries, Japan, 1985/04, 1990/03

Academic Degrees

  • Doctor of Philosophy, Tokyo University of Fisheries
  • Master, Tokyo University of Fisheries

Educational Activity

  • 【Bachelor Degree Program】School of Applied Biological Science : Department of Applied Biological Science
  • 【Master's Program】Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Bioresource Science
  • 【Doctoral Program】Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Bioresource Science

In Charge of Primary Major Programs

  • Integrative Hydrospheric Science Program

Research Fields

  • Agricultural sciences;Applied aquatic science;Aquatic bioproduction science

Research Keywords

  • Ballast water
  • zooxanthella
  • Phytoplankton
  • Ocean primary production
  • Coral reefs
  • Harmful algae
  • Symbiosis in marine organisms
  • Restoration of coastal fisheries
  • Microalgae
  • Photosynthesis

Affiliated Academic Societies

  • Japanese Society of Coral reef Sciences, 2006
  • Japanese Planktological Society, 1999
  • Japanese society of fisheries sciences, 1988
  • Japanese Phycological Society, 2005

Educational Activity

Course in Charge

  1. 2020, Liberal Arts Education Program1, 2Term, Life, food, and environmental sciences
  2. 2020, Graduate Education (Master's Program) , 3Term, Academic approach to SDGs - B
  3. 2020, Graduate Education (Master's Program) , 4Term, Academic approach to SDGs - B[On-Demand]
  4. 2020, Graduate Education (Doctoral Program) , Intensive, SDGs Ideas Mining Seminar for Specialists
  5. 2020, Undergraduate Education, 2Term, Introduction to Applied Biological Science I
  6. 2020, Undergraduate Education, Intensive, Laboratory Work in General Biology I
  7. 2020, Undergraduate Education, Intensive, Laboratory Work in General Biology II
  8. 2020, Undergraduate Education, 2Term, Reading of Foreign Literature
  9. 2020, Undergraduate Education, Intensive, Laboratory Work in Hydrospheric BiologyI
  10. 2020, Undergraduate Education, Academic Year, Graduation Thesis
  11. 2020, Undergraduate Education, Intensive, Independent study of International issues and challenge
  12. 2020, Undergraduate Education, Intensive, International Applied Biological Sciences I
  13. 2020, Undergraduate Education, Intensive, Overseas Exercise of Applied Biological Science I
  14. 2020, Undergraduate Education, Intensive, Overseas Exercise of Applied Biological Science II
  15. 2020, Undergraduate Education, Intensive, Overseas Exercise of Applied Biological Science III
  16. 2020, Undergraduate Education, Intensive, (AIMS)Plankton Biology
  17. 2020, Undergraduate Education, 3Term, Plankton Biology
  18. 2020, Graduate Education (Doctoral Program) , First Semester, Exercises in Assessment of Environmental Dynamics (B)
  19. 2020, Graduate Education (Doctoral Program) , Second Semester, Exercises in Assessment of Environmental Dynamics (B)
  20. 2020, Graduate Education (Master's Program) , 3Term, Marine Microbial Dynamics
  21. 2020, Graduate Education (Master's Program) , OutOfTerm(2nd), Marine Microbial Dynamics Practice
  22. 2020, Graduate Education (Master's Program) , 1Term, Exercises in Bioresource Science A
  23. 2020, Graduate Education (Master's Program) , 2Term, Exercises in Bioresource Science A
  24. 2020, Graduate Education (Master's Program) , 3Term, Exercises in Bioresource ScienceB
  25. 2020, Graduate Education (Master's Program) , 4Term, Exercises in Bioresource ScienceB
  26. 2020, Graduate Education (Master's Program) , Academic Year, Research for Academic Degree Dissertation in Bioresource Science
  27. 2020, Graduate Education (Master's Program) , 1Term, Aquatic Ecology I
  28. 2020, Graduate Education (Master's Program) , 3Term, Aquatic Ecology II

Research Activities

Academic Papers

  1. Effects of water temperature, light and nitrate on the growth of sporelings of the non-geniculate coralline alga Lithophyllum okamurae (Corallinales, Rhodophyta), JOURNAL OF APPLIED PHYCOLOGY, 32(3), 1923-1931, 202006
  2. Study on expelled but viable zooxanthellae from giant clams, with an emphasis on their potential as subsequent symbiont sources, PLOS ONE, 14(7), 20190719
  3. Preliminary Physiological Study on the Edible Wild Bivalves in Myeik, Myanmar, Asian Fisheries Science, 32, 81-87, 2019
  4. Metabolomic study of saxitoxin analogues and biosynthetic intermediates in dinoflagellates using N-15-labelled sodium nitrate as a nitrogen source, SCIENTIFIC REPORTS, 9, 20190305
  5. Cryptic occurrence of Chattonella marina var. marina in mangrove sediments in Probolinggo, East Java Province, Indonesia, FISHERIES SCIENCE, 84(5), 877-887, SEP 2018
  6. Evaluation of Chlorophyll-a Estimation Approaches Using Iterative Stepwise Elimination Partial Least Squares (ISE-PLS) Regression and Several Traditional Algorithms from Field Hyperspectral Measurements in the Seto Inland Sea, Japan, SENSORS, 18(8), AUG 2018
  7. ★, Cryptic occurrence of Chattonella marina var. marina in mangrove sediments in Probolinggo, East Java Province, Indonesia, Fisheries Science, 84(5), 877-887, 20180618
  8. Symbiosis process between Acropora larvae and Symbiodinium differs even among closely related Symbiodinium types, MARINE ECOLOGY PROGRESS SERIES, 592, 119-128, 20180329
  9. Species composition of hairtails (Trichiuridae) in Myanmar, REGIONAL STUDIES IN MARINE SCIENCE, 17, 73-77, 201801
  10. Pentaplacodinium saltonense gen. et sp nov (Dinophyceae) and its relationship to the cyst-defined genus Operculodinium and yessotoxin-producing Protoceratium reticulatum, HARMFUL ALGAE, 71, 57-77, 201801
  11. Palynomorph Assemblages Dominated by Heterotrophic Marine Palynomorphs in Tropical Coastal Shallow-water Sediments from the Southern Myanmar Coast, JARQ-JAPAN AGRICULTURAL RESEARCH QUARTERLY, 52(1), 77-89, 2018
  12. Evaluation of Chlorophyll-a Estimation Approaches Using Iterative Stepwise Elimination Partial Least Squares (ISE-PLS) Regression and Several Traditional Algorithms from Field Hyperspectral Measurements in the Seto Inland Sea, Japan., Sensors (Basel), 18(8), doi:10.3390/s18082656
  13. Seasonal dynamics influencing coastal primary production and phytoplankton communities along the southern Myanmar coast, Journal of Oceanography, 73, 345-364, 201706
  14. Bothrosome Formation in Schizochytrium aggregatum (Labyrinthulomycetes, Stramenopiles) during Zoospore Settlement, Protist, 168(2), 206-219, 201704
  15. Zooxanthellal genetic varieties in giant clams are partially determined by species-intrinsic and growth-related characteristics, PLOS ONE, 12(2), 20170217
  16. Mortality factors of cultured bluefin tuna Thunnus orientalis in the coastal area of Tsushima, Nagasaki Prefecture, Japan, NIPPON SUISAN GAKKAISHI, 83(1), 41-51, 201701
  17. Application of a pulse-amplitude-modulation (PAM) fluorometer reveals its usefulness and robustness in the prediction of Karenia mikimotoi blooms: A case study in Sasebo Bay, Nagasaki, Japan, HARMFUL ALGAE, 61, 63-70, 2017
  18. Motility and cell division patterns among several strains of Symbiodinium, Galaxea, 18, 1-7, 2016
  19. A simple and rapid determination method for zooxanthellal genetic diversity in giant clams using multiplex PCR, FISHERIES SCIENCE, 82(5), 747-753, 2016
  20. Possible involvement of Tachylectin-2-like lectin from Acropora tenuis in the process of Symbiodinium acquisition, FISHERIES SCIENCE, 81(3), 473-483, 2015
  21. Application of calcofluor staining to identify motile and coccoid stages of Symbiodinium (Dinophyceae), FISHERIES SCIENCE, 80(2), 363-368, 2014
  22. Establishment of Coral-Algal Symbiosis Requires Attraction and Selection, PLOS ONE, 9(5), 2014
  23. Explusion of zooanthellae (Symbiodinium) from several species of scleractinian corals; comparison under non-stress conditions and thermal stress conditions, Galaxea, 15, 41647, 2014
  24. ★, Moderate Thermal Stress Causes Active and Immediate Expulsion of Photosynthetically Damaged Zooxanthellae (Symbiodinium) from Corals, PLOS ONE, 9(12), 2014
  25. ★, Genetic identity of free-living Symbiodinium obtained over a broad latitudinal range in the Japanese coast, PHYCOLOGICAL RESEARCH, 61, 68-80, 2013
  26. ★, Acropora recruits harbor rare" Symbiodinium in the environmental pool", CORAL REEFS, 32(2), 355-366, 2013
  27. ★, A red tide off the Myanmar coast: Morphological and genetic identification of the dinoflagellate composition, HARMFUL ALGAE, 27, 149-158, 2013
  28. Possible involvement of glycolipids in lectin-mediated cellular transformation of symbiotic microalgae in corals, JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 439, 129-135, 2013
  29. Chlorophyll-a estimation in Tachibana Bay by data fusion of GOCI and MODIS using liner combination index algorithm, Advance in Remote Sensing, 2, 292-296, 2013
  30. Chlorophycean parasite on a marine fish, Sillago japonica (Japanese sillago), PARASITOLOGY INTERNATIONAL, 62(6), 586-589, 2013
  31. Autofluorescent bodies in the toxic dinoflagellate Alexandrium tamarense: A potential indicator of the physiological condition of the species, Coastal Marine Science, 35, 255-261, 2012
  33. Mechanisms of Maternal Inheritance of Dinoflagellate Symbionts in the Acoelomorph Worm Waminoa litus, ZOOLOGICAL SCIENCE, 29(9), 559-567, 2012
  34. ★, Phytoplankton surveys off the southern Myanmar coast of the Andaman Sea: an emphasis on dinoflagellates including potentially harmful species, FISHERIES SCIENCE, 78(5), 1091-1106, 2012
  35. ★, Cyanobacterial Endosymbionts in the Benthic Dinoflagellate Sinophysis canaliculata (Dinophysiales, Dinophyceae), PROTIST, 162(2), 304-314, 2011
  36. ★, Do corals select zooxanthellae by alternative discharge?, MARINE BIOLOGY, 158(1), 87-100, 2011
  37. Effects of lectin in the scleractinian coral Ctenactis echinata on symbiotic zooxanthellae, Fisheries Science, 76, 355-363, 2010
  38. ★, Do Uric Acid Deposits in Zooxanthellae Function as Eye-Spots?, PLOS ONE, 4(7), 20090717
  39. Symbionts of marine medusae and ctenophores, Plankton and Benthos Research, 4(1), 1-13, 2009
  40. Cellular origin of dysiherbaine, an excitatory amino acid derived from a marine sponge, CHEMBIOCHEM, 9(4), 543-551, 20080303
  41. ★, Anucleated cryptophyte vestiges in the gonyaulacalean dinoflagellates Amylax buxus and Amylax triacantha (Dinophyceae), PHYCOLOGICAL RESEARCH, 56(4), 301-311, 2008
  42. Yessotoxin analogues in several strains of Protoceratium reticulatum in Japan determined by liquid chromatography-hybrid triple quadrupole/linear ion trap mass spectrometry., J. Chromatogr. A, 1142(2), 172-177, 2007
  43. A quantitative real-time PCR method for monitoring Symbiodinium in the water column, J Jpn Coral Reef Soc, 9(1), 1-12, 2007
  44. ★, Appearance of Dinophysis fortii following blooms of certain cryptophyte species, MARINE ECOLOGY PROGRESS SERIES, 337, 303-309, 2007
  45. ★, Mechanism of gamete fusion in Dinophysis fortii (Dinophyceae, Dinophyta): light microscopic and ultrastructural observations., J. Phycol., 42, 1247-1256, 2006
  46. ★, Protoceratium reticulatum in northern Japan: environmental factors associated with seasonal occurrence and related contamination of yessotoxin in scallops., J. Planton Res., 28, 103-112, 2006
  47. Screening of diatoms producing domoic acid and its derivatives in the Philippines, Coastal marine science, 30(1), 121-129, 2006
  48. New stage of the study on domoic acid-producing diatoms : A finding of Nitzschia navis-varingica that produces domoic acid derivatives as major toxin components, Coastal marine science, 30(1), 116-120, 2006
  49. ★, A novel type of kleptoplastidy in Dinophysis (Dinophceae): presence of haptophyte-type plastid in Dinophysis mitra, Protist, 156, 225-237, 2005
  50. Cellular and subcellular localization of kainic acid in the marine red alga Digenea simplex., Cell and Tissue Research, 322, 491-502, 2005
  51. Confirmation of yessotoxin production by the dinoflagellate, Protoceratium reticulatum, in Mutsu Bay, Fish. Sci., 71, 633-638, 2005
  52. Development of molecular probes for Dinophysis (Dinophyceae) plastid: a tool to predict their blooming and to explore their plastid origin., Mar. Biotechnol., 7, 95-103, 2005
  53. Cloning and characterization of a lectin from the octocoral Sinularia lochmodes., Biochem. Biophysic. Res. Commun. (BBRC), 330, 157-162, 2005
  54. Differences in expression patterns of photosynthetic genes in the dinoflagellate Alexandrium tamarense, Europ. J. Protistol., 41, 277-286, 2005
  55. ★, Octocoral chemical signalling selects and controls dinoflagellate symbionts., Biological Bulletin, 207, 80-86, 2004
  56. Comparison of phylogenies based on nuclear- encoded SSU rDNA and plastid-encoded psbA in the symbiotic dinoflagellate genus Symbiodinium., Phycologia, 42, 285-291, 2003
  57. ★, Molecular evidence for plastid robbery (kleptoplastidy) in Dinophysis, a dinoflagellate causing diarrhetic shellfish poisoning., Protist, 153, 293-302, 2002
  58. Mixotrophy of DMinophysis fortii: A strategy for growth in various environmental conditions (Proceedings of International Commemorative Symposium--70th Anniversary of The Japanese Society of Fisheries Science), Fisheries Science, 68(0), 529-532, 2002
  59. Mixotrophy of Dinophysis fortii: A strategy for growth in various environmental conditions, Fisheries science, 68(1), 529-532, 2002
  60. Recent occurrences of Dinophysis fortii (Dinophyceae) in the Okkirai Bay, Sanriku, northern Japan, and related environmental factors., Journal of Oceanography, 57, 166-175, 2001
  61. The D-galactose-binding lectin of the octocoral Sinularia lochmodes: characterization and possible relationship to the symbiotic dinoflagellates., Comp. Biochem. Physiol. Part B, 125, 227-236, 2000
  62. Evidence of phagotrophy in Dinophysis fortii (Dinophysiales, Dinophyceae), a dinoflagellate that causes diarrhetic shellfish poisoning (DSP)., Phycological Research, 48, 12-124, 2000
  63. Domoic acid production in Nitzschia sp. (Bacillariophyceae) isolated from a shrimp-culture pond in Do Son, Vietnam, Journal of Phycology, 36, 1057-1060, 2000
  64. Confirmation of domoic acid production of Pseudo-nitzschia multiseries isolated from Ofunato Bay, Japan., Toxicon, 37, 677-682, 1999
  65. Occurrence of okadaic acid-producing Prorocentrum lima on the Sanriku Coast, Northern Japan., Toxicon, 36, 2039-2042, 1998
  66. A simple integrating- sphere- fluorometer for monitoring the growth of benthic microalgae, La mer., 32(1), 45-50, 1994
  67. Distributions of Benthic Dinoflagellates in Akajima Island,Okinawa, Japan., NSUGAF, 57(12), 2261-2264, 1991

Publications such as books

  1. 2016/02/10, Advance in Harmful Algal Bloom Research, Japanese, 2016, 2, Scholarly Book, Joint work, J, 9784769915805, 352, 352
  2. 2015, Marine Protists, Biology of Symbiotic Dinoflagellates ( Symbiodinium ) in Corals., Springer, 2015, Scholarly Book, Joint work, E, Yamashita H, Koike K, 978-4-431-55130-0
  3. 2008/04, Animal Lectins: A Functional View, Roles of coral lectins in the regulation of symbiotic zooxanthella, CRC Press, 2008, 4, Scholarly Book, Joint work, 英語, Kamiya H, Jimbo M, Koike K, Sakai R., 9.78E+12, 596, 231-238


  1. 2004/06, Fritz Schaudinn Award, Protist, Molecular evidence for plastid robbery (kleptoplastidy) in Dinophysis, a dinoflagellate causing diarrhetic shellfish poisoning.
  2. 2018/06/01, 2nd Place in the Poster Competition of the 36th Symposium and Annual Meeting of the Association of Systematic Biologists of the Philippines, Convention Chair・President of ASBP

Social Activities

Organizing Academic Conferences, etc.

  1. 2014/, 2014/