Haematococcus pluvialis has become one of the hotness research area on microalgae studies because it can accumulate astaxanthin as a defense measurement in stress culture situations.

• 雨生红球藻在逆境下能够大量积累虾青素，已成为目前研究的热点。从雨生红球藻生存的角度来看，虾青素的积累是细胞对逆境防御的方法之一。