Transformation phenomenon of unicellular algae: Establishment of a model case of acclimation and distribution expansion strategy by heteromorphic life cycle

• Project/Area Number: 24K01840
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 40030:Aquatic bioproduction science-related
• Research Institution: Fukui Prefectural University
• Principal Investigator: 山田 和正 福井県立大学, 海洋生物資源学部, 助教 (20778401)
• Project Period (FY): 2024-04-01 – 2028-03-31
• Project Status: Granted (Fiscal Year 2024)
• Budget Amount: ¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000); Fiscal Year 2027: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000); Fiscal Year 2026: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000); Fiscal Year 2025: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000); Fiscal Year 2024: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
• Keywords: ディクティオカ藻 / 珪質鞭毛藻 / 生活史

Outline of Research at the Start

単細胞藻の異形世代交代の探究に適した生物として，海洋に広く分布するディクティオカ藻（珪質鞭毛藻）に着目し，本生物の2つの世代それぞれを単独で培養することに成功した．本研究では，増殖や生残に関わる表現形質を定量的に世代間で比較し，単細胞藻の異形世代交代が持つ生理生態学的な意義の解明を目指す．