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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
发表期刊FRONTIERS IN MICROBIOLOGY
卷号6期号:2015页码:1-11
文章类型Article
摘要Blooms 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.
关键词Algicidal Compound Brevibacterium Sp Bs01 Alexandrium Tamarense Algicidal Effect Harmful Algal Bloom Control
DOI10.3389/fmicb.2015.01235
收录类别SCI
语种英语
WOS记录号WOS:000364431600001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/82285
专题海洋生态与环境科学重点实验室
作者单位1.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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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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