Effects of intermediate metabolite carboxylic acids of TCA cycle on Microcystis with overproduction of phycocyanin
Bai, Shijie1,2,4,5; Dai, Jingcheng1,2,3; Xia, Ming1,2; Ruan, Jing1,2; Wei, Hehong1,2; Yu, Dianzhen1,2; Li, Ronghui1,2; Jing, Hongmei4,5; Tian, Chunyuan3; Song, Lirong1,2; Qiu, Dongru1,2
2015-04-01
发表期刊ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷号22期号:7页码:5531-5537
摘要Toxic Microcystis species are the main bloom-forming cyanobacteria in freshwaters. It is imperative to develop efficient techniques to control these notorious harmful algal blooms (HABs). Here, we present a simple, efficient, and environmentally safe algicidal way to control Microcystis blooms, by using intermediate carboxylic acids from the tricarboxylic acid (TCA) cycle. The citric acid, alpha-ketoglutaric acid, succinic acid, fumaric acid, and malic acid all exhibited strong algicidal effects, and particularly succinic acid could cause the rapid lysis of Microcystis in a few hours. It is revealed that the Microcystis-lysing activity of succinic acid and other carboxylic acids was due to their strong acidic activity. Interestingly, the acid-lysed Microcystis cells released large amounts of phycocyanin, about 27-fold higher than those of the control. On the other hand, the transcription of mcyA and mcyD of the microcystin biosynthesis operon was not upregulated by addition of alpha-ketoglutaric acid and other carboxylic acids. Consider the environmental safety of intermediate carboxylic acids. We propose that administration of TCA cycle organic acids may not only provide an algicidal method with high efficiency and environmental safety but also serve as an applicable way to produce and extract phycocyanin from cyanobacterial biomass.
文章类型Article
关键词Microcystis Blooms Carboxylic Acids Phycocyanin High Efficiency Environmental Safety
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11356-014-3730-x
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收录类别SCI
语种英语
关键词[WOS]C-PHYCOCYANIN ; SPIRULINA-PLATENSIS ; FRESH-WATER ; PURIFICATION ; MARINE ; BLOOMS ; AERUGINOSA ; BIOMASS ; NTCA ; CYANOBACTERIA
WOS类目Environmental Sciences
WOS记录号WOS:000351586500068
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文献类型期刊论文
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条目标识符http://ir.idsse.ac.cn/handle/183446/466
专题深海科学研究部_深海生物学研究室_海洋病毒与分子生物学研究组
作者单位1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Wuhan 430072, Peoples R China
3.Hubei Univ Engn, Sch Life Sci & Technol, Xiaogan 432000, Peoples R China
4.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
5.Univ Chinese Acad Sci, Sanya 572000, Peoples R China
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Bai, Shijie,Dai, Jingcheng,Xia, Ming,et al. Effects of intermediate metabolite carboxylic acids of TCA cycle on Microcystis with overproduction of phycocyanin[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2015,22(7):5531-5537.
APA Bai, Shijie.,Dai, Jingcheng.,Xia, Ming.,Ruan, Jing.,Wei, Hehong.,...&Qiu, Dongru.(2015).Effects of intermediate metabolite carboxylic acids of TCA cycle on Microcystis with overproduction of phycocyanin.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,22(7),5531-5537.
MLA Bai, Shijie,et al."Effects of intermediate metabolite carboxylic acids of TCA cycle on Microcystis with overproduction of phycocyanin".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 22.7(2015):5531-5537.
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