Effect of Alexandrium tamarense on three bloom-forming algae

Juan Yin; Jin Xie; Weidong Yang; Hongye Li; Jiesheng Liu

doi:10.1007/s00343-010-9925-1

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Effect of Alexandrium tamarense on three bloom-forming algae

OriginalPaper | Updated：2023-05-16

- Effect of Alexandrium tamarense on three bloom-forming algae
- Effect of Alexandrium tamarense on three bloom-forming algae
- 海洋湖沼学报（英文） 2010年28卷第4期页码：940-944
- Affiliations：
  
  College of Life Sciences and Technology Jinan University
- Author bio：
- Funds：
  
  Supported by the NSFC-Guangdong Province Association Foundation (No. U0733006), the National Natural Science Foundation of China (No. 30970502, 40976065), and the National Basic Research Program of China (973 Program) (No. 2010CB428702)
- DOI：10.1007/s00343-010-9925-1
  中图分类号：
- 网络首发：2010-06-29，
  
  纸质出版：2010
- Accepted：
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Effect of Alexandrium tamarense on three bloom-forming algae[J]. 海洋湖沼学报（英文）, 2010,28(4):940-944.

Yin, J., Xie, J., Yang, W. et al. Effect of Alexandrium tamarense on three bloom-forming algae., Chin. J. Ocean. Limnol. 28, 940–944 (2010). https://doi.org/10.1007/s00343-010-9925-1
Effect of Alexandrium tamarense on three bloom-forming algae[J]. 海洋湖沼学报（英文）, 2010,28(4):940-944. DOI： 10.1007/s00343-010-9925-1.

Yin, J., Xie, J., Yang, W. et al. Effect of Alexandrium tamarense on three bloom-forming algae., Chin. J. Ocean. Limnol. 28, 940–944 (2010). https://doi.org/10.1007/s00343-010-9925-1 DOI：

摘要

Abstract

We investigated the allelopathic properties of Alexandrium tamarense (Laboar) Balech on the growth of Prorocentrum donghaiense Lu

Chattonella marina (Subrahmanyan) Hara et Chihara and Heterosigma akashiwo (Hada) Hada in a laboratory experiment. We examined the growth of A. tamarense

C. marina

P. donghaiense and H. Akashiwo in co-cultures and the effect of filtrates from A. tamarense cultures in various growth phases

on the three harmful algal bloom (HAB)-forming algae. In co-cultures with A. tamarense

both C. marina and H. akashiwo were dramatically suppressed at high cell densities; in contrast

the growth of P. donghaiense varied in different inoculative ratios of A. tamarense and P. donghaiense. When the ratio was 1:1 (P. donghaiense: A. tamarense)

growth of P. donghaiense was inhibited considerably

while the growth of P. donghaiense was almost the same as that of the control when the ratio was 9:1. The growth difference of P. donghaiense

C. marina and H. akashiwo when co-cultured with A. tamarense indicated that the allelopathic effect may be one of the important factors in algal competition and phytoplankton succession involving A. tamarense. In addition

the filtrate from A. tamarense culture had negative impacts on these three HAB algae

and such inhibition varied with different growth phases of A. tamarense in parallel with reported values of PSP toxin content in Alexandrium cells. This implied that PSP toxin was possibly involved in allelopathy of A. tamarense. However

the rapid decomposition and inactivation of PSP toxin above pH 7 weakened this possibility. Further studies on the allelochemicals responsible for the allelopathy of A. tamarense need to be carried out in future.

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references

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