Pseudoalteromonas bacteriolytica is a marine bacterium that causes red spot disease of Saccharina japonica (species synonym Laminaria japonica).
Camellia japonica | Lonicera japonica | Cleyera japonica | Fallopia japonica | ''Ulmus davidiana'' var. ''japonica'' | Saccharina latissima | Saccharina japonica | Fatsia japonica | ''Saccharina japonica'' (species synonym ''Laminaria japonica'') | Ranzania japonica | Prunus japonica | Orostachys japonica | Kumba japonica | Kerria japonica | Julia japonica | Inioteuthis japonica | Fauna Japonica | Fagus japonica | ''Ehretia dicksoni'' var. ''japonica'' | Apis cerana japonica |
Kikunae Ikeda from the Tokyo Imperial University isolated glutamic acid as a new taste substance in 1908 from the seaweed Laminaria japonica, kombu, by aqueous extraction and crystallization, and named its taste "umami".