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Distribution and population dynamics of potential anatoxin-a-producing cyanobacteria in Lake Dianchi, China
Wang, Suqin1,2; Zhu, Lin1,2; Li, Qi3; Li, Genbao1; Li, Lin1; Song, Lirong1; Gan, Nanqin1
2015-09-01
Source PublicationHARMFUL ALGAE
ISSN1568-9883
Volume48Pages:63-68
AbstractThe occurrence of cyanobacterial blooms is often accompanied by a variety of toxic secondary metabolites known as cyanotoxins. Anatoxin-a (ATX-a) is a highly toxic cyanobacterial neurotoxin synthesized by numerous species (e.g., Aphanizomenon, Anabaena and Oscillatoria) that has received much public attention. In this study, we used molecular methods (PCR and qPCR) to track the presence and dynamics of ATX-a-producing cyanobacteria, Aphanizomenon and Anabaena in Lake Dianchi, China based on the anaC and cpcBA-IGS genes over a 23-month period (from June 2010 to April 2012). Results revealed that Aphanizomenon was the major potential ATX-a producer in Lake Dianchi and that they were most abundant in early spring and least abundant in summer, coinciding with observed Aphanizomenon blooms. It was found that the proportion of ATX-a toxigenic cells was lower in the northern part of the lake (2.1%) than the middle (16.7%) and southern parts (19.2%). The information on the spatio-temporal distributions of ATX-a-producing cyanobacteria obtained in this study will help to build management strategies to improve water quality for public health. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordAnatoxin-a Aphanizomenon Anabaena Quantitative Pcr Lake Dianchi
DOI10.1016/j.hal.2015.07.005
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000361251800008
WOS KeywordAPHANIZOMENON-FLOS-AQUAE ; TOXIC CYANOBACTERIA ; HOMOANATOXIN-A ; 1ST REPORT ; ANABAENA ; NEUROTOXIN ; CHROMATOGRAPHY ; BIOSYNTHESIS ; TEMPERATURE ; DIVERSITY
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27208
Collection藻类生物学及应用研究中心_期刊论文
Affiliation1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Wuhan Foreign Language Sch, Wuhan 430022, Peoples R China
Recommended Citation
GB/T 7714
Wang, Suqin,Zhu, Lin,Li, Qi,et al. Distribution and population dynamics of potential anatoxin-a-producing cyanobacteria in Lake Dianchi, China[J]. HARMFUL ALGAE,2015,48:63-68.
APA Wang, Suqin.,Zhu, Lin.,Li, Qi.,Li, Genbao.,Li, Lin.,...&Gan, Nanqin.(2015).Distribution and population dynamics of potential anatoxin-a-producing cyanobacteria in Lake Dianchi, China.HARMFUL ALGAE,48,63-68.
MLA Wang, Suqin,et al."Distribution and population dynamics of potential anatoxin-a-producing cyanobacteria in Lake Dianchi, China".HARMFUL ALGAE 48(2015):63-68.
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