Changes in the Growth, Physiology and Biochemistry of Alexandrium tamarense under Ulva pertusa Kjellman Stress and UV-B Radiation

Heng Jiang Cai; Chang Fa Liu; Hai Feng Wei

doi:10.4028/www.scientific.net/AMR.610-613.3231

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 610-613Changes in the Growth, Physiology and Biochemistry...

Changes in the Growth, Physiology and Biochemistry of Alexandrium tamarense under Ulva pertusa Kjellman Stress and UV-B Radiation

Abstract:

Effects of Ulva pertusa Kjellman stress and UV-B radiation on the growth, physiology and biochemistry of Alexandrium tamarense were studied under laboratory conditions. The results demonstrated that U. pertusa stress and UV-B radiation could inhibit the growth of A. tamarense. Physiology and biochemistry of A. tamarense could be affected under U. pertusa stress and UV-B radiation treatment. U. pertusa stress caused the increase in SOD activity and decrease in H₂O₂ content. As for UV-B radiation, Chl-a content and soluble content were decreased, while H₂O₂ content, MDA content and SOD activity were increased. With regard to the combined effects of U. pertusa stress and UV-B radiation, Chl-a content and soluble content were decreased, while MDA content and SOD activity were increased. Compared with UV-B radiation, the combined effects of U. pertusa stress and UV-B radiation treatment on the growth, physiological and biochemical were indiscernible.

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Advanced Materials Research (Volumes 610-613)

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3231-3235

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https://doi.org/10.4028/www.scientific.net/AMR.610-613.3231

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December 2012

Authors:

Heng Jiang Cai, Chang Fa Liu, Hai Feng Wei

Keywords:

Alexandrium Tamarense, Stress, Ulva pertusa Kjellman, UV-B Radiation

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