International Conferences (Invited presentations)

• Fujishima M. Paramecium survival strategies against global warming: Molecular mechanisms of endosymbiont infection and modulation of the host phenotype. 6th International Conference on Environment and Forest Conservation, Kastamonu City, Kastamonu University, Turkey, Nov 18, 2025. 30 min including discussion. Plenary lecture.

• Fujishima M,  Abamo F, Kodama Y.  Environmental water quality conservation using Paramecium. 4th International Conference on Environment and Forest Conservation, Davao City, Acacia Hotel, Philippines, Nov 15, 2023. 20 min including discussion. Plenary lecture.

• Fujishima M. Endosymbiosis in Paramecium, Institute of Molecular Biology, Academia Sinica, Taiwan, April 21, 2015. 60 min including discussion. 

• Fujishima M. Induction of secondary endosymbiosis in Paramecium and Chlorella, LOHABE, Department of Oceanography, Chonnam National University, Korea, Dec. 11, 2014. 60 min including discussion. 

• Fujishima M. Endosymbiosis in Paramecium bursaria and Chlorella variabilis. 2nd Asian Congress of Protistology and 9th Asian Conference of Ciliate Biology, Univ. of Kalyani, India, Nov. 29, 2014. 45 min including discussion. Plenary lecture.

• Fujishima M. Infection of endonuclear symbiotic bacteria Holospora. International Symposium on Endosymbiosis, Yamaguchi 2013. Yamaguchi University, Dec. 20, 2013. 40 min including discussion.

• Fujishima M. Endosymbiosis-a primary force in eukaryotic cell evolution. Institute of Evolution and Biodiversity, Münster University, Germany. Aug. 19, 2013. 60 min including discussion. 

• Fujishima M. New insights into the Paramecium-Holospora and Paramecium-Chlorella symbioses. International Wendlandian Symposium. Five decades of basic research on cilia/flagella and ciliates/flagellates., Lüchow, Germany, Sep. 10-14, 2012. 60 min including discussion. I

• Fujishima M., Iwatani K., Kawai M., Nakamura Y., Kodama Y., Tanaka K., Fujise H., Morikawa C., Kaya T., Abamo F. Infection of endonuclear symbiotic bacterium Holospora to the ciliate Paramecium caudatum. 1st Asian Congress of Protistology and 8th Asian Conference of Ciliate Biology, Jeju University, Korea, Oct. 3-6, 2011. 40 min including discussion. 

• Fujishima M. Endosymbiosis in Paramecium. 6th European Congress of Protistology, Free University Berlin, Germany, July 29, 2011. 45 min including discussion. Plenary lecture.

• Fujishima M. Secretion of the 63-kDa periplasmic protein of the infectious Holospora obtusa during infection and a possible function of the protein. GDRE Meeting Paramecium and its symbionts. 5th Holospora conference. Pisa University, Italy, Sept. 5, 2010. 

• Fujishima M. Symposium organizer. Infection of Holospora and acquisition of stress resistance of the host Paramecium. Symposium on “Symbiosis and Evolution”, 13th International Congress of Protistology, Busios, Rio de Janeiro, Brazil, Aug. 27, 2009. 25 min including discussion.

• Fujishima M. Infection and maintenance of Holospora in Paramecium. International Symposium on Protistology. Evolution and Diversity. Tsukuba University, Japan, Nov . 8, 2008. 

• Fujishima M. Interactions between the ciliate Paramecium and its endonuclear symbiotic bacterium Holospora. Symposium on “Interaction in symbiosis”, 9th International Congress of Protozoology, Berlin, Germany, July 31, 1993. 

• Fujishima M. Infection and maintemance mechanisms of endonuclear symbiont Holospora obtusa of ciliate Paramecium caudatum. Symposium on “Endosymbionts of protozoa”, 8th International Congress of Protozoology, Tsukuba, July 16, 1989. 

• Fujishima M. Induction of reinitiation of meiosis in amphibian Bufo oocytes by injection of extracts of the ciliate Paramecium caudatum. Symposium on “Control mechanisms of meiosis, mitosis and cell division”, 6th International Congress of Ptotozoology, Nairobi, Kenya, June 27, 1985. 

Domestic Conferences

•  Sasamoto T et al,  Do corals digest zooxanthellae? Initial response of coral-zooxanthellae symbiosis based on acid phosphatase activity.  The 26th Annual Congress of the Japanese Coral Reef Society,  Sendai, Nov 22, 2023 (in Japanese).

• Fujishima M. Research on the mechanism of establishment of endosymbiosis using Paramecium. Special Lecture. IER,  Fukushima University. Nov. 30, 2023 (in Japanese). 60 min including discussion.

• Fujishima M, Haga N, Akiyama Y, Watabe H, Kodama Y. Practical application of cryopreservation technology for Paramecium. 68th Annual Meeting of Japanese Society for Cryobiology and Cryotechnology, Seminar. Urawa, June 17, 2023 (in Japanese). 30 min including discussion.

• Fujishima M. Endosymbiosis as a driving force of eukaryotic cell evolution and its importance for SDGs. Seminar in Science for a sustainable society and future Earth, S-Spring in Shimane University. Dec 15, 2022 (in English). 60 min including discussion.  

• Fujishima M. Symposium organizer. Paramecium as a model organism for studies on establishment of primary endosymbiosis. Symposium on “Research examples with National Bio-Resource Project Paramecium”, 87th Annual Meeting of Japan Society of Zoology , Okinawa, Ginowan city, Nov 17, 2016.(in Japanese). 25 min including discussion.

• Fujishima M. Endosymbiosis and acquisition of environmental adaptation. Special lecture of Annual Meeting of Microbial Research Core Cluster, Institute of Engineering, Dec. 25, 2015.(in Japanese). 50 min including discussion.

• Fujishima M. Elucidation of establishment mechanism of endosymbiosis and enhancement of environmental adaptability of the host cell. Mini-symposium of 30th Annual Meeting of Japan Society for Microbial Ecology, Tsuchiura Kijo Plaza, Oct. 19, 2015.(in Japanese).

• Fujishima M. Acquisition of stress resistance by endosymbiosis and environmental adaptation. 1st seminar of environmental group of Reserch Center for Thermotolerant Microbial Resources, Yamaguchi University. Aug. 7, 2015 (in Japanese). 30 min including discussion.

• Fujishima M. Elucidation on induction mechanism of endosymbiosis. Toropical Biosphere Research Center, University of the Ryukyus. Aug 30, 2013 (in Japanese). 60 min including discussion.

• Fujishima M. Intensive course. Control mechanism for induction of endosymbiosis. The United Graduate School of Veterinary Science, Yamaguchi University (Doctoral Course). Aug. 24, 2013. Yamaguchi University. 90 min including discussion (in Japanese). 

• Fujsihima M. Role of Paramecium as a bio-resource of NBRP. Challenge in 3rd period. Tokyo Conference Center・Shinagawa. Nov. 21, 2012 (in Japanese). 15 min including discussion.

• Kodama Y. and Fujishima M. Endosymbiosis between the ciliate Paramecium and the green alga Chlorella. Symposium on symbiosis. The 43th Annual Meeting of the Japan Society of Protozoology, Ibaraki University, Nov. 7, 2010 (in Japanese).

• Kodama Y. and Fujishima M. Elucidation of establishment of the secondary endosymbiosis as a driving force for biodiversity. The 14th Infrastructure and Environmental Management Symposium in Yamaguchi 2010, Yamaguchi University, Nov. 12 , 2010 (in Japanese).

• Fujishima M. Control mechanism of establishment of endosymbiosis between the ciliate Paramecium and the green alga Chlorella. Public lectures. The 41th Annual Meeting of the Japan Society of Protozoology, Tsukuba, Nov. 3, 2008 (in Japanese).

• Fujishima M. and Kodama Y. Environmental adaptation of Paramecium by endosymbionts and application to remediation of ecosystem. The 6th Infrastructure and Environmental Management Symposium in Yamaguchi 2008, Yamaguchi University, Sept. 26, 2008 (in Japanese).

• Kodama Y. and Fujishima M. Eestablishment of endosymbiosis between the ciliate Paramecium and the green alga Chlorella. Symposium on plant science based by phycology and protistology. The 71th Annual meeting of the Botanical Society of Japan, Tokyo University of Science, Nov. 7?9, 2007 (in Japanese).

• Fujishima M. Infection and maintenance of endonuclear symbiotic bacterium Holospora. The 38th Annual Meeting of the Japan Society for Clinical Molecular Morphology, Ube City Hall, Nov. 30, 2006 (in Japanese)

• Fujishima M. Establishment of endosymbiosis between protozoa and bacteria or algae. Public lectures on frontier studies of cell evolution. Extension Center of Yamaguchi University, Yamaguchi, Feb. 12, 2006 (in Japanese)

• Fujishima M. and Kodama Y. Interaction between the ciliate Paramecium bursaria and the symbiotic alga Chlorella. Symposium on symbiosis, biodiversity and evolution by endosymbiosis between invertebrates and algae. The 76th Annual Meeting of the Zoological Society of Japan. Tsukuba, Oct. 8, 2005 (in Japanese)

• Fujishima M.    時間旅行展、第1部　レクチャー「山口大学時間学研究所の活動について」／藤島政博 時間学研究所長、主催 山口市文化振興財団、共催 山口大学時間学研究所、後援 山口市、山口市教育委員会、制作協力 YCAM InterLab、協力 熊谷美術館、企画制作 山口情報芸術センター、日本科学未来館、開催日 2005年3月19日〜6月19日、会場 山口情報芸術センター (in Japanese)

Time Travel Exhibition, Part 1 Lecture "On the Activities of the Yamaguchi University Institute of Time Studies" / Masahiro Fujishima, Director of the Institute of Time Studies, Organized by Yamaguchi City Cultural Promotion Foundation, Co-organized by Yamaguchi University Institute of Time Studies, Supported by Yamaguchi City and Yamaguchi City Board of Education, Production cooperation: YCAM InterLab, Cooperation: Kumagaya Art Museum, Planning and production: Yamaguchi Center for Arts and Media, Miraikan, National Museum of Emerging Science and Innovation, Date: Mar 19 - June 19, 2005, Venue: Yamaguchi Center for Arts and Media

• Fujishima M. Interaction between endonuclear symbiotic bacterium Holospora and its host Paramecium. Symposium on various interaction between animal and microorganism. Proceedings of the 73th Annual Meeting of the Zoological Society of Japan. Kanazawa University, Sept. 25, 2002 (in Japanese)

• Fujishima M. Organizer. Interaction between the ciliate Paramecium and endonuclear symbiotic bacterium Holospora. "Endosymbiosis", related meeting with the 71th Annual Meeting of the Zoological Society of Japan. Sept. 21, 2000 (in Japanese)

• Fujishima M. Award lecture. Studies on endonuclear symbiotic bacteria Holospora species. The award of Japan Society of Protozoology. The 29th Annual Meeting of the Japan Society of Protozoology, Hiroshima University, Nov. 23, 1996 (in Japanese)

• Fujishima M. Infection and growth of endonuclear symbiotic bacterium Holospora of the ciliate Paramecium. Related meeting with the 67th Annual Meeting of the Zoological Society of Japan. Sept., 1996 (in Japanese)

• Fujishima M. Control of infection and growth of endonuclear symbiotic bacteria Holospora of the ciliate Paramecium. Symposium 9 "Symbiosis and bioconversion", Annual Meeting of the Japan Society for Bioscience, Biotechnology, and Agrochemistry, Sendai, Mar. 30?Apr. 2, 1993 (in Japanese)

• Fujishima M. Interaction between the ciliate Paramecium and endonuclear symbiotic bacterium Holospora. Symposium on interactions amoung fauna, flora and microorganisms. Joint Meeting of the Chugoku-Shikoku Branches of the Three Biological Societies. May 16, 1992 (in Japanese)

• Fujsihima M. Infection and maintenance of endonuclear symbiotic bacterium Holospora. Seminar on biodiversity, National Institute of Basic Biology, Okazaki, Mar. 2?3, 1992 (in Japanese)

• Fujishima M. Control of infection and maintenance of endonuclear symbiotic bacterium Holospora of the ciliate Paramecium. Symposium on symbiotic biosphere: An Ecological interaction network promoting the coexistence of many species (Kaken No. 04264104), Tokyo University, Oct. 19, 1991 (in Japanese)