| 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 | |
| 发表期刊 | EXTREMOPHILES
 |
| ISSN | 1431-0651 |
| 卷号 | 22期号:6页码:943-954 |
| 通讯作者 | Filker, Sabine(filker@rhrk.uni-kl.de) |
| 摘要 | Salinity 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. |
| 关键词 | Biogeography Diversity Halophiles High-throughput DNA sequencing Hypersaline environments Protists |
| DOI | 10.1007/s00792-018-1050-7 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | TU Nachwuchsring ; China Scholarship Council (CSC)[201604910395] ; DFG Senatskommission[M118] ; AHRP Grant ; TU Nachwuchsring ; China Scholarship Council (CSC)[201604910395] ; DFG Senatskommission[M118] ; AHRP Grant |
| WOS研究方向 | Biochemistry & Molecular Biology ; Microbiology |
| WOS类目 | Biochemistry & Molecular Biology ; Microbiology |
| WOS记录号 | WOS:000446713100011 |
| 出版者 | SPRINGER JAPAN KK |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/160450 |
| 专题 | 海洋生物分类与系统演化实验室 |
| 通讯作者 | Filker, Sabine |
| 作者单位 | 1.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 |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 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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