Study on secondary production mechanism in lake focusing on bacterial growth responses and gene expression signatures

2015 Fiscal Year Final Research Report

• Project/Area Number: 26550003
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Environmental dynamic analysis
• Research Institution: The University of Tokyo
• Principal Investigator: Kasuga Ikuro 東京大学, 工学(系)研究科(研究院), 講師 (20431794)
• Co-Investigator(Kenkyū-buntansha): KURISU Futoshi 東京大学, 大学院工学系研究科, 准教授 (30312979)
• Project Period (FY): 2014-04-01 – 2016-03-31
• Keywords: 微生物ループ / 湖沼 / 細菌生産 / 溶存有機物

Outline of Final Research Achievements

Microbial loop which is driven by bacterial (secondary) production based on dissolved organic matter plays an important role in lake ecosystems. This study evaluated the sources of dissolved organic matter flowing into microbial loop and bacterial community utilizing the dissolved organic matter in Lake Inba, Chiba prefecture. The results suggest that Burkholderiales are likely to contribute to microbial loop in Lake Inba in different seasons. One of the possible sources of dissolved organic matter supporting bacterial production in Inba lake is inflowing river.

Free Research Field

環境微生物