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题名: Biodiversity and distribution of microzooplankton in Spirulina (Arthrospira) platensis mass cultures throughout China
作者: Yuan, Danni1, 2, 3; Zhan, Xueling1, 2; Wang, Mengyun1, 2, 3; Wang, Xianhui1, 2; Feng, Weisong4; Gong, Yingchun1, 2; Hu, Qiang1, 2, 5
关键词: Biodiversity ; Microzooplankton ; Spirulina cultivation ; Harmful species ; Contamination
刊名: ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
发表日期: 2018-03-01
DOI: 10.1016/j.algal.2017.12.009
卷: 30, 页:38-49
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
英文摘要: Spirulina (Arthrospira) platensis is the most commonly produced microalgae for commercial applications, such as nutraceuticals and feed. While crop productivity of commercial Spirulina farms is often compromised by grazers and contaminating microzooplanktons, the biodiversity and identity of the most harmful microzooplanktons in Spirulina farms have not been extensively studied. As China is the number one producer of Spirulina in the world, comprehensive information on the biodiversity and identity of microzooplanktons in Spirulina farms is essential for the long-term commercial viability of these farms. Therefore, we determined the biodiversity and identity of the major microzooplanktons that are present in eight commercial Spirulina cultivation sites throughout China. Furthermore, we identified the major grazers that appear to directly affect the productivity of Spirulina cultures. Among twenty-three species that include 2 flagellates, 2 amoebae, 15 ciliates, and 4 rotifers, Brachionus plicatilis, Frontonia sp. and one unknown Heterolobosean amoeba appeared to be the most harmful to Spirulina due to their high density and ability to graze Spirulina. The similarity of the biodiversity and abundance of the microzooplankton was > 80% among two out of eight mass cultivation sites (C and D), while the remaining cultivation sites exhibited their own unique microzooplankton biodiversity characteristics. Redundancy analysis (RDA) showed that there was a positive relationship between harmful species of Brachionus plicatilis and salinity, while the other two harmful species of Heterolobosean amoeba and Frontonia sp. had a positive relationship with oxidation-reduction potential (ORP). As this is the first report to identify the major harmful microzooplankton species in commercial Spirulina farms, our study not only provides a theoretical basis for the relationship between environmental factors and biodiversity of harmful grazers but also lays a scientific foundation for developing effective monitoring and management strategies for commercial Spirulina farms.
关键词[WOS]: ROTIFER BRACHIONUS-PLICATILIS ; SEQUENCE ALIGNMENT ; VALLEY LAKES ; ZOOPLANKTON ; CULTIVATION ; TEMPERATURE ; INTERFACE ; DIVERSITY ; SALINITY ; TOOLS
语种: 英语
项目资助者: China Electronics Engineering Design Institute ; State Development & Investment Corporation(Y34115-1-Z01-0007) ; Chinese Academy of Sciences(ZDRW-ZS-2017-2-2)
WOS记录号: WOS:000425892200005
ISSN号: 2211-9264
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50662
Appears in Collections:藻类生物技术和生物能源研发中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Ctr Microalgal Biotechnol & Biofuels, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Ctr Freshwater Ecol, Wuhan 430072, Hubei, Peoples R China
5.China Elect Engn Design Inst, SDIC Microalgae Biotechnol Ctr, Beijing 100142, Peoples R China
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