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Discovery of an algicidal compound from Brevibacterium sp BS01 and its effect on a harmful algal bloom-causing species, Alexandrium tamarense
An, Xinli1,2,3; Zhang, Bangzhou1,2; Zhang, Huajun1,2; Li, Yi1,2; Zheng, Wei1,2; Yu, Zhiming4; Fu, Lijun5; Zheng, Tianling1,2
2015-11-05
Source PublicationFRONTIERS IN MICROBIOLOGY
Volume6Issue:2015Pages:1-11
SubtypeArticle
AbstractBlooms of the dinoflagellate Alexandrium tamarense have become worldwide phenomena and have detrimental impacts on aquatic ecosystems and human health. In this study, a culture supernatant of the marine actinomycete BS01 exerted a strong algicidal effect on A. tamarense (ATGD98-006). The target algicide from BS01 was separated by adsorption chromatography and identified by MALDI-TOF-MS and NMR analysis. The results suggested that the purified algicidal component corresponded to a hydrophobic compound (2-isobutoxyphenyl)amine (C10H15NO) with a molecular weight of 165 Da, which exhibited a significant algicidal effect (64.5%) on A. tamarense. After incubation in 5 mu g/mL of (2-isobutoxyphenyl)amine for 24h, the algae lost mobility and sank to the bottom of the flasks, and 56.5% of the algae cells lost vitality at a concentration of 20 mu g/mL (p < 0.01) despite having intact cell profiles. Morphological analysis revealed that the cell structure of A. tamarense was altered by (2-isobutoxyphenyl)amine resulting in cytoplasm degradation and the loss of organelle integrity. The images following propidium iodide staining suggested that the algal nucleus was also severely damaged and eventually degraded due to exposure to the algicidal compound. All of the results indicate that (2-isobutoxyphenyl)amine from the actinomycete might be a candidate for the control of bloom-forming A. tamarense.
KeywordAlgicidal Compound Brevibacterium Sp Bs01 Alexandrium Tamarense Algicidal Effect Harmful Algal Bloom Control
DOI10.3389/fmicb.2015.01235
Indexed BySCI
Language英语
WOS IDWOS:000364431600001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/82285
Collection海洋生态与环境科学重点实验室
Affiliation1.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen, Peoples R China
2.Xiamen Univ, Sch Life Sci, Key Lab Minist Educ Coast & Wetland Ecosyst, Xiamen, Peoples R China
3.Chinese Acad Sci, Inst Urban Environm, Xiamen, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
5.Putian Univ, Dept Environm & Life Sci, Putian, Peoples R China
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GB/T 7714
An, Xinli,Zhang, Bangzhou,Zhang, Huajun,et al. Discovery of an algicidal compound from Brevibacterium sp BS01 and its effect on a harmful algal bloom-causing species, Alexandrium tamarense[J]. FRONTIERS IN MICROBIOLOGY,2015,6(2015):1-11.
APA An, Xinli.,Zhang, Bangzhou.,Zhang, Huajun.,Li, Yi.,Zheng, Wei.,...&Zheng, Tianling.(2015).Discovery of an algicidal compound from Brevibacterium sp BS01 and its effect on a harmful algal bloom-causing species, Alexandrium tamarense.FRONTIERS IN MICROBIOLOGY,6(2015),1-11.
MLA An, Xinli,et al."Discovery of an algicidal compound from Brevibacterium sp BS01 and its effect on a harmful algal bloom-causing species, Alexandrium tamarense".FRONTIERS IN MICROBIOLOGY 6.2015(2015):1-11.
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