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Diverse Strategies for Adaptation in Marine Organisms

Update: 05. 30, 2013

(June 21-22, 2013)

Date:   June 21, 2013 (Fri) 9:30~17:30
        June 22, 2013 (Sat) 9:00~16:10
Venue:  Auditorium, Atmosphere and Ocean Research Institute, The University of Tokyo
       5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8564, JAPAN
       TEL: +81-4-7136-6202
Convener: Yoshio Takei (AORI, Univ. Tokyo)
Contact Person at AORI: Susumu Hyodo


June 21 (Fri)

Session 1.  Molecular Physiology of Body Fluid Regulation

Chair: Toyoji Kaneko (Grad. Sch. of Agr. Life Sci., Univ. of Tokyo)

9:30~10:15   Keynote Lecture 1: Shigehisa Hirose (Dept. of Biol. Sci., Tokyo Inst. Tech.)

Molecular Physiology of Chloride Cells

10:15~10:40     Fumiya Furukawa (Fac. of Agr., Miyazaki Univ.)

K+ and Cs+ Excretion by the Gills of Mozambique Tilapia

10:40~11:05     Akira Kato (Dept. of Biol. Sci., Tokyo Inst. Tech.)

Ion Transporters in Euryhaline Pufferfish Takifugu obscures Involved in FW and SW Acclimation

11:05~11:30     Tatsuya Sakamoto (Ushimado Marine Inst., Okayama Univ.)

"Mineralcorticoids" in Fish

11:30~11:45   Coffee Break

11:45~12:10     Yoshiro Suzuki (Div. of Cell Signaling, Okazaki Inst. Integr. Biosci.)

Roles of TRP Channels in Total Body Calcium Homeostasis

12:10~12:35     Hiroshi Miyanishi (Grad. Sch. of Agr. Life Sci., Univ. of Tokyo)

Functional Analysis of Natriuretic Peptides by Gene Knockdown and Search for the Key Genes in SW Adaptation

12:35~13:00     Hideya Takahashi (Ushimado Marine Inst., Okayama Univ.)

Identification of Genes that Determine the Salinity Tolerance in Medaka, Oryzias spp.

13:00~14:00   Lunch

Session 2.  Unity and Diversity of Body Fluid Regulation

Chair: Nobuo Suzuki (Noto Marine Lab., Kanazawa Univ.)

14:00~14:45 Keynote Lecture 2: Minoru Uchiyama (Grad. Sch. of Sci. Eng., Univ. of Toyama)

Wanderings and Pleasures in the Study of Water and Electrolyte Metabolism

14:45~15:10     Masakazu Suzuki (Grad. Sch. of Sci., Shizuoka Univ.)

Diversity of Aquaporins and Their Physiological Roles in Vertebrates

15:10~15:35     Norifumi Konno (Grad. Sch. of Sci. Eng., Univ. of Toyama)

The Roles of Neurohypophysial Hormone Vasotocin in Environmental Adaptations of Lungfish and Medaka

15:35~16:00     Susumu Hyodo (AORI, Univ. of Tokyo)

Euryhalinity of Cartilaginous Fish: Their Unique Mechanisms

16:00~16:15   Coffee Break

16:15~16:40     Soichi Watanabe (Grad. Sch. of Agr. Life Sci., Univ. of Tokyo)

Environmental Osmolality Affects the Function of the Intestinal Amino Acid Absorption Mechanisms in Euryhaline Teleosts

16:40~17:05      Taro Watanabe (AORI, Univ. of Tokyo)

Renal Sulfate Regulation: A Lesson from Eel

17:05~17:30      Koji Inoue (AORI, Univ. of Tokyo)

Adaptation Mechanism of Hydrothermal Vent-specific Animals to Hydrogen Sulfide and its Relationship with Osmoregulation

18:00~20:30 Banquet

June 22 (Sat)

Session 3:  Endocrinology of Ancestral Vertebrates and Cordates

Chair: Hironori Ando (Sado Marine Biol. St., Niigata Univ.)

9:00~9:45   Keynote Lecture 3: Masumi Nozaki (Sado Marine Biol. St., Niigata Univ.)

Hypothalamic-Pituitary-Gonadal Endocrine System in the Hagfish

9:45~10:10     Masatoshi Mita (Dept. of Biol., Fac. of Educ., Tokyo Gakugei Univ.)

Regulatory Mechanism of Relaxin-Like Gonad-Stimulating Substance (GSS) in the Reproduction of Starfish

10:10~10:35     Honoo Satake(Suntory Inst. Bioorganic Res.)

Biological Significances of Neuropeptides and Peptide Hormones in the Ascidian, Ciona intestinalis: Endocrine and Evolutionary Views

10:35~11:00     Kaoru Kubokawa (MMBS, RCME, Fac. of Sci., Univ. of Tokyo)

Comparative Insights of Sex Steroids in the Invertebrate-Vertebrate Transition

11:00~11:15   Coffee Break

11:15~11:40     Shigehiro Kuraku (Genome Resource Analysis Unit, Riken CDB)

Sequence Informatics to Understand Early Vertebrate Evolution

11:40~12:05     Katsuhisa Uchida (Fac. of Agr., Miyazaki Univ.)

Molecular and Functional Evolution of Pituitary Glycoprotein Hormone in Most Primitive Vertebrates, Hagfish

12:05~13:00   Lunch

Session 4:  Recent Progress in Comparative Endocrinology in Japan

Chair: Akihisa Urano (Hokkaido Univ.)

13:00~13:35     Kazuyoshi Tsutsui (Dept. of Biol., Waseda Univ.)

Discovery of Hypothalamic Hormones and Progress in Comparative Endocrinology

13:35~14:00     Akiyoshi Takahashi, Kanta Mizusawa (Sch. of Marine Biosci., Kitasato Univ.)

MSH and MCH: Independent and Interactive Actions

14:00~14:25     Shigenori Nobata (AORI, Univ. of Tokyo)

Central Regulation of Drinking by Hormones

14:25~14:40   Coffee Break

14:40~15:05     Shinji Kanda, Yoshitaka Oka (Grad. Sch. of Sci., Univ. of Tokyo)

Morphological/physiological Analysis of Vertebrate Kisspeptin Neurons Reveals Evolution of Novel Functions of Peptidergic Neuron Systems

15:05~15:30     Hiroyuki Kaiya (Natl. Cerebral Cardiovasc. Cent. Res. Inst.)

What is the Role of Ghrelin in Vertebrates? Insights from Comparative Viewpoints

15:30~15:55     Makoto Kusakabe (AORI, Univ. of Tokyo)

Physiological Roles of Relaxin(s) in Teleosts

15:55~16:10   Closing Remarks: Yoshio Takei (AORI, Univ. of Tokyo)


Research meeting