Nitrogen fixation

Nitrogen fixation

Produce crops that are not dependent on fertilizer

A model experiment of transfer of nitrogen fixation ability to photosynthetic organisms

Nitrogen-fixing cyanobacterium
Leptolyngbya boryana

Identification of a core gene set of nitrogenase in oxygenic photosynthesis cell

The core gene set is introduced into non-diazotrophic cyanobacterium
Synechocystis sp. PCC 6803

Non-nitrogen-fixing cyanobacterium
Synechocystis sp. PCC 6803

Creation of nitrogen fixing Synechocystis sp. PCC 6803

Introduction of nif genes into chloroplast genome

Creation of nitrogen fixing plant

Tsujimoto et al. (2014) PNAS 111, 6762-6767

Tsujimoto et al. (2018) Sci. Rep. 8, 7380