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Photoinhibition of Phaeocystis globosa resulting from oxidative stress induced by a marine algicidal bacterium Bacillus sp LP-10
Guan, Chengwei1,2,3; Guo, Xiaoyun1,2,4; Li, Yi1,2,5; Zhang, Huajun1,2; Lei, Xueqian1,2; Cai, Guanjing1,2; Guo, Jiajia1,2; Yu, Zhiming6; Zheng, Tianling1,2
2015-11-25
Source PublicationSCIENTIFIC REPORTS
Volume5Issue:17002Pages:1-10
SubtypeArticle
AbstractHarmful algal blooms caused by Phaeocystis globosa have resulted in staggering losses to coastal countries because of their world-wide distribution. Bacteria have been studied for years to control the blooms of harmful alga, however, the action mechanism of them against harmful algal cells is still not well defined. Here, a previously isolated algicidal bacterium Bacillus sp. LP-10 was used to elucidate the potential mechanism involved in the dysfunction of P. globosa algal cells at physiological and molecular levels. Our results showed Bacillus sp. LP-10 induced an obvious rise of reactive oxygen species (ROS), which was supposed to be major reason for algal cell death. Meanwhile, the results revealed a significant decrease of photosynthetic physiological indexes and apparent down-regulated of photosynthesis-related genes (psbA and rbcS) and protein (PSII reaction center protein D1), after treated by Bacillus sp. LP-10 filtrates, suggesting photoinhibition occurred in the algal cells. Furthermore, our results indicated that light played important roles in the algal cell death. Our work demonstrated that the major lethal reason of P. globosa cells treated by the algicidal bacterium was the photoinhibition resulted from oxidative stress induced by Bacillus sp. LP-10.
DOI10.1038/srep17002
Indexed BySCI
Language英语
WOS IDWOS:000365276800001
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/82318
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 361102, Peoples R China
2.Xiamen Univ, Key Lab, Minist Educ Coastal & Wetland Ecosyst, Sch Life Sci, Xiamen 361102, Peoples R China
3.Tobacco Sci Inst Jiangxi Prov, Nanchang 330025, Peoples R China
4.Xiamen Univ, Sch Chem & Chem Engn, Xiamen 361102, Peoples R China
5.Henan Normal Univ, Coll Life Sci, Xinxiang 453007, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Guan, Chengwei,Guo, Xiaoyun,Li, Yi,et al. Photoinhibition of Phaeocystis globosa resulting from oxidative stress induced by a marine algicidal bacterium Bacillus sp LP-10[J]. SCIENTIFIC REPORTS,2015,5(17002):1-10.
APA Guan, Chengwei.,Guo, Xiaoyun.,Li, Yi.,Zhang, Huajun.,Lei, Xueqian.,...&Zheng, Tianling.(2015).Photoinhibition of Phaeocystis globosa resulting from oxidative stress induced by a marine algicidal bacterium Bacillus sp LP-10.SCIENTIFIC REPORTS,5(17002),1-10.
MLA Guan, Chengwei,et al."Photoinhibition of Phaeocystis globosa resulting from oxidative stress induced by a marine algicidal bacterium Bacillus sp LP-10".SCIENTIFIC REPORTS 5.17002(2015):1-10.
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