Regulation Mechanism of Gibberellic Acid-3 for Astaxanthin Biosynthesis in Heterotrophic Growing Chromochloris zofingiensis

has been proven as a potential resource for large-scale astaxanthin production, but little information on phytohormones for its growth and astaxanthin accumulation could be obtained. This study explored the impact of gibberellic acid-3 (GA3) on growth and astaxanthin biosynthesis in heterotrophic