JpGU-AGU Joint Meeting 2017

Presentation information

[JJ] Poster

H (Human Geosciences) » H-CG Complex & General

[H-CG34] [JJ] Systems of life in closed bio-ecosystems and planets

Sat. May 20, 2017 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall HALL7)

convener:Kaori Tomita-Yokotani(Graduate School of Life and Environmental Sciences, University of Tsukuba), Shunta Kimura(Graduate School of Life and Environmental Sciences, University of Tsukuba)

[HCG34-P03] Analysis of amino acid in a terrestrial cyanobacterium, Nostoc sp. HK-01, under the harsh environment

*Midori Ong1, Shunta Kimura1, Yasuko Kimura2, Reiko Ajioka1, Kaori Tomita-Yokotani1 (1.University of Tsukuba, 2.Jumonji University)

Keywords:Amino acid, light environment, Nostoc sp. HK-01, Space Agriculture

Habitation in extraterrestrial environments such as on Mars is one of our challenges. We have been studying future space agriculture to provide food and oxygen for habitated areas in extraterrestrial environments. A cyanobacterrium, Nostoc sp. HK-01, is highly tolerant to extraterrestrial environments. We have already confirmed that Nostoc sp. HK-01 was able to grow for long time on Martian regolith simulant in a laboratory experiment. We have already reported that Nostoc sp. HK-01 produces a high level of amino acids but the amount of each amino acid has not yet been analyzed under harsh environments. Here, we investigated the relationship between the amount of amino acid and the intensity of light in Nostoc sp. HK-01 for future extraterrestrial agricultural purposes.