Japan Geoscience Union Meeting 2016

Presentation information


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

[H-CG28] Circulation of materials in closed bio-ecosystems by the systems of organisms.

Sun. May 22, 2016 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL6)

Convener:*Kaori Tomita-Yokotani(Graduate School of Life and Environmental Sciences, University of Tsukuba)

5:15 PM - 6:30 PM

[HCG28-P03] Searching for water stress proteins in terrestrial cyanobacteria, Nostoc sp. HK-01

*Tomoko Abe1, Rurika Iimuro1, Shunta Kimura2, Hiroshi Katoh3, Yasuko Kimura4, Kaori Tomita-Yokotani2 (1.Tokyo Denki University, 2.University of Tsukuba, 3.Mie University, 4.Jumonji University)

Keywords:cyanobacteria, desiccation tolerance, stress protein

Nostoc sp. HK-01 is one of terrestrial cyanobacterium having a tolerance to desiccation stress and it has several ability, photosynthesis, nitrogen fixation and usefulness as a food, it is thought that it can be used for bio-chemical circulation in a closed ecosystem, including space.
In this study, we searched for the genes that would play an important role in the desiccation stress response. Initially, to investigate expression changes of the proteins in Nostoc sp. HK-01 cells, proteins of the desiccated cells were analyzed by SDS-polyacrylamide gel electrophoresis. The cells were dried in a desiccator. In the course of desiccation of the cells, the expression level of some proteins was increased.