![Occurrence of the polyamines caldopentamine and homocaldopentamine in axenic cultures of the red tide flagellates Chattonella antiqua and Heterosigma akashiwo (Raphidophyceae)]()
Occurrence of the polyamines caldopentamine and homocaldopentamine in axenic cultures of the red tide flagellates Chattonella antiqua and Heterosigma akashiwo (Raphidophyceae)Naoyoshi Nishibori; Masaru Niitsu; Shinsuke Fujihara; Takefumi Sagara; Sachio Nishio; Ichiro Imai · 2009