IOCAS-IR  > 海洋生物分类与系统演化实验室
Characterization of protistan plankton diversity in ancient salt evaporation ponds located in a volcanic crater on the island Sal, Cape Verde
Zhao, Feng1,2; Filker, Sabine2
2018-11-01
Source PublicationEXTREMOPHILES
ISSN1431-0651
Volume22Issue:6Pages:943-954
Corresponding AuthorFilker, Sabine(filker@rhrk.uni-kl.de)
AbstractSalinity is an important factor when exploring the limits known for life. Therefore, hypersaline systems have attracted much attention in recent years. In this study, we investigated the protistan diversity and community composition in two natural salt evaporation ponds (27-30% salinity) located in an ancient volcanic crater on the Cape Verde island Sal using high-throughput DNA sequencing. Our study revealed a broad range of protistan taxa and a high taxonomic diversity within the Ciliophora, Dinophyceae, and Chlorophyta. We detected a total of 23 Dinophyceae families, although Dinophyceae were generally considered to be only this diverse in aquatic environments of less than 10% salinity. Moreover, we uncovered a high degree of genetic novelty in this habitat. The mean similarity of all detected OTUs to previously described sequences was only 93.6%. These findings strongly dispute the traditional view that extreme hypersaline environments generally maintain low protistan diversity. A meta-analysis covering our and previously published data from other inland and coastal salt ponds clearly showed that our samples clustered according to salinity and not biogeography. This result further supports the claim that salinity is a major transition boundary for protistan communities, regardless of their biogeographic origin.
KeywordBiogeography Diversity Halophiles High-throughput DNA sequencing Hypersaline environments Protists
DOI10.1007/s00792-018-1050-7
Indexed BySCI
Language英语
Funding ProjectTU Nachwuchsring ; China Scholarship Council (CSC)[201604910395] ; DFG Senatskommission[M118] ; AHRP Grant
WOS Research AreaBiochemistry & Molecular Biology ; Microbiology
WOS SubjectBiochemistry & Molecular Biology ; Microbiology
WOS IDWOS:000446713100011
PublisherSPRINGER JAPAN KK
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/160450
Collection海洋生物分类与系统演化实验室
Corresponding AuthorFilker, Sabine
Affiliation1.Chinese Acad Sci, Inst Oceanol, Lab Marine Organism Taxon & Phylogeny, Qingdao 266071, Peoples R China
2.Univ Technol Kaiserslautern, Dept Mol Ecol, Erwin Schroedinger Str 14, D-67663 Kaiserslautern, Germany
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhao, Feng,Filker, Sabine. Characterization of protistan plankton diversity in ancient salt evaporation ponds located in a volcanic crater on the island Sal, Cape Verde[J]. EXTREMOPHILES,2018,22(6):943-954.
APA Zhao, Feng,&Filker, Sabine.(2018).Characterization of protistan plankton diversity in ancient salt evaporation ponds located in a volcanic crater on the island Sal, Cape Verde.EXTREMOPHILES,22(6),943-954.
MLA Zhao, Feng,et al."Characterization of protistan plankton diversity in ancient salt evaporation ponds located in a volcanic crater on the island Sal, Cape Verde".EXTREMOPHILES 22.6(2018):943-954.
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