Tue. May 27, 2025 9:00 AM - 10:30 AM Exhibition Hall Special Setting (2) (Exhibition Hall 7&8, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-OS Ocean Sciences & Ocean Environment

[A-OS17] Marine microbial ecology

10:00 AM - 10:15 AM

[AOS17-05] Fungi in deep-sea submerged plant substrates: Essential players in marine ecosystems

*Yuriko Nagano¹, Yoshiyuki Ishitani¹, Noriyuki Isobe¹, Ryota Nakajima¹, Shunichi Ishii¹, Hiroyuki Kashima¹, Hidetaka Nomaki¹ (1.Japan Agency for Marine-Earth Science and Technology)

Tue. May 27, 2025 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

[J] Oral
| B (Biogeosciences )
| B-CG Complex & General

[B-CG07] Frontier in Biology and Paleobiology of Fossilized Micro-organisms

10:45 AM - 11:00 AM

[BCG07-07] Composite calcite and opal test in Foraminifera (Rhizaria)

Julien Richirt^1,2, Okada Satoshi¹, Yoshiyuki Ishitani¹, Katsuyuki Uematsu³, Akihiro Tame^3,5, Kaya Oda¹, Noriyuki Isobe¹, Toyoho Ishimura⁴, Masashi Tsuchiya¹, *Hidetaka Nomaki¹ (1.JAMSTEC, 2.University of Lille, 3.Marine Works Japan Ltd, 4.Kyoto University, 5.University of Fukui)

11:45 AM - 12:00 PM

[BCG07-11] Foraminifera-prokaryote biological interaction suggested by single-cell DNA and RNA amplicon sequencing analyses

*Yoshiyuki Ishitani¹, Okada Satoshi¹, Maki Kayamori², Hidetaka Nomaki¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo)

12:00 PM - 12:15 PM

[BCG07-12] The breakdown of foraminiferal detoxification in response to TiO₂ nanoparticles exposure

*Inagaki Yuka¹, Yurika Ujiie², Yoshiyuki Ishitani³, Caterina Ciacci⁴, Fabrizio Frontalini⁵, Federica Rebecchi⁵, Mattia Tiboni⁴ (1.Kochi University, Graduate School of Integrated Arts and Sciences, Science Program, Biological Science Course, 2. Marine Core Research Institute, Kochi University , 3.Japan Agency for Marine-Earth Science and Technology, 4.University of Urbino, Department of Biomolecular Science, 5.University of Urbino, Department of Pure and Applied Sciences)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| B (Biogeosciences )
| B-CG Complex & General

[B-CG07] Frontier in Biology and Paleobiology of Fossilized Micro-organisms

5:15 PM - 7:15 PM

[BCG07-P03] Diverse benthic foraminiferal assemblages, dominant in non-sedimentary bacterial mats

*Maki Kayamori¹, Yoshiyuki Ishitani², Hidetaka Nomaki² (1.The university of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology)

5:15 PM - 7:15 PM

[BCG07-P07] **Genetic diversity of Globigerina bulloides in the Northwest Pacific Ocean**

*Zeynab Zandvakili¹, Takuya Sagawa², Kengo Kukita¹, Issui Ikuma¹, Yoshiyuki Ishitani³, Yurika Ujiie^1,4 (1.Kochi University, 2.Institute of Science and Engineering, Faculty of Geosciences and Civil Engineering, Kanazawa University, 3.Institute for Extra-Cutting-Edge Science and Technology Avant-garde Research (X-star), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan, 4.Marine Core Research Institute, Kochi University, Nankoku, Japan)

5:15 PM - 7:15 PM

[BCG07-P09] The gene expression of plasma membrane Ca²⁺ ATPase represents a “vital effect” on foraminiferal Mg/Ca temperature

*Yurika Ujiie¹, Toshihiro Yoshimura², Yoshiyuki Ishitani³, Dana Ulanova⁴, Hirotoshi Endo⁵, Takayuki Ushikubo⁶ (1.MaCRI, Kochi University, 2.Biogeochemistry Research Center, JAMSTEC, 3.Institute for Extra-cutting-edge Science and Technology Avant-garde Research, JAMSTEC, 4.Faculty of Agriculture and Marine Science, Kochi University, 5.National Institute of Technology, Tsuruoka College, 6.Kochi Core institute, JAMSTEC)

Yoshiyuki Ishitani

Speaker, Author, Co-Author