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The response of phosphorus uptake strategies of Microcystis aeruginosa to hydrodynamics fluctuations
Zheng, Yue1,2; Mi, Wujuan1; Bi, Yonghong1; Hu, Zhengyu1
2017-04-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
Volume24Issue:10Pages:9251-9258
AbstractThe mechanisms of hydrodynamic fluctuation that affect cyanobacterial physiological aspects are still unclear. This study was conducted to screen the effects of hydrodynamic fluctuation on phosphorus (P) uptake by Microcystis aeruginosa. Four levels of circumfluence (0, 100, 200, and 300 rpm) and three concentrations of P (0.5, 2.0, and 5.0 mgL(-1)) were used, and the specific growth rate, cell viability, P uptake kinetic, and alkaline phosphatase activity (APA) were determined. Results showed that M. aeruginosa had a higher specific growth rate, cell viability, and P uptake rate at low and moderate circumfluence, APA increased with a decrease of the cellular P quota (Q(p)). Turbulence at 300 rpm negatively affected the metabolic activity: the P uptake rate and affinity were reduced significantly (p < 0.05), APA decreased due to the high Q(p) (p < 0.05), which led to a decline in the specific growth rate and cell viability. It revealed that hydrodynamics could change P uptake and growth of M. aeruginosa. The P absorption capacity and affinity decreased under high turbulence, which led to the inhibition of cyanobacterial growth. It was deduced that high level of artificial turbulence could be used to decrease the risk of cyanobacterial bloom. On the other hand, increasing additional P loading could enhance the adaptability of M. aeruginosa to turbulence, which weakened the inhibition effect of high turbulence on algal growth, and reduced the effects of artificial turbulence on water bloom.
SubtypeArticle
KeywordMicrocystis Aeruginosa Turbulence Growth Phosphorus Alkaline Phosphatase Activity
DOI10.1007/s11356-017-8502-y
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationScience and Technology Research Project of China Three Gorges Corporation(0711466) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; National Natural Science Foundation of China(31123001) ; National Natural Science Foundation of China(31123001) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; National Natural Science Foundation of China(31123001) ; National Natural Science Foundation of China(31123001)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS KeywordSMALL-SCALE TURBULENCE ; BLOOM-FORMING MICROCYSTIS ; LAKE TAIHU ; PHOSPHATASE-ACTIVITY ; UPTAKE KINETICS ; GROWTH ; CHINA ; WATER ; RIVER ; CYANOBACTERIUM
WOS IDWOS:000399239800035
Funding OrganizationScience and Technology Research Project of China Three Gorges Corporation(0711466) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; National Natural Science Foundation of China(31123001) ; National Natural Science Foundation of China(31123001) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; Science and Technology Research Project of China Three Gorges Corporation(0711466) ; National Natural Science Foundation of China(31123001) ; National Natural Science Foundation of China(31123001)
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/29183
Collection藻类生物学及应用研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Yue,Mi, Wujuan,Bi, Yonghong,et al. The response of phosphorus uptake strategies of Microcystis aeruginosa to hydrodynamics fluctuations[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(10):9251-9258.
APA Zheng, Yue,Mi, Wujuan,Bi, Yonghong,&Hu, Zhengyu.(2017).The response of phosphorus uptake strategies of Microcystis aeruginosa to hydrodynamics fluctuations.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,24(10),9251-9258.
MLA Zheng, Yue,et al."The response of phosphorus uptake strategies of Microcystis aeruginosa to hydrodynamics fluctuations".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 24.10(2017):9251-9258.
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