High diversity and isolated distribution of aquatic heterotrophic protists in salars of the Atacama Desert at different salinities
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Citation
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Identification
| Title: | Main Title: High diversity and isolated distribution of aquatic heterotrophic protists in salars of the Atacama Desert at different salinities |
| Description: | Abstract: The species richness of eukaryotes in the hypersaline environment is generally thought to be low. However, recent studies showed a high degree of phylogenetic novelty at these extreme conditions with variable chemical parameters. These findings call for a more thorough look into the species richness of hypersaline environments. In this study, various hypersaline lakes (salars, 1–348 PSU) as well as further aquatic ecosystems of northern Chile were investigated regarding diversity of hetero- trophic protists by metabarcoding studies of surface water samples. Investigations of genotypes of 18S rRNA genes showed a unique community composition in nearly each salar and even among different microhabitats within one salar. The genotype distribution showed no clear connection to the composition of main ions at the sampling sites, but protist communities from similar salinity ranges (either hypersaline, hyposaline or mesosaline) clustered together regarding their OTU composition. Sal- ars appeared to be fairly isolated systems with only little exchange of protist communities where evolutionary lineages could separately evolve. |
Responsible Party
| Creators: | Alexandra Rybarski (Author), Michael Staubwasser (Author), Claudia Voigt (Author), Frank Nitsche (Author), Hartmut Arndt (Principal Investigator) |
| Publisher: | Elsevier |
| Publication Year: | 2023 |
Topic
| CRC1211 Topic: | Biology |
| Related Subproject: | B2 |
| Subjects: | Keywords: Biodiversity, Molecular Biology |
| Geogr. Information Topic: | Biota |
File Details
| Filename: | Lennartz_et_al_2023.pdf |
| Data Type: | Data Paper - Species description |
| File Size: | 3.5 MB |
| Date: | Accepted: 11.04.2023 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Free |
| General Access and Use Conditions: | According to the CRC1211DB data policy agreement. |
| Access Limitations: | According to the CRC1211DB data policy agreement. |
| Licence: | [CRC1211DB] Data policy agreement |
Geographic
Specific Information - Publication
| Publication Status: | Accepted |
| Review Status: | Peer reviewed |
| Publication Type: | Article |
| Article Type: | Journal |
| Source: | European Journal of Protistology |
| Volume: | 89 |
| Number of Pages: | 17 (1 - 17) |
Metadata Details
| Metadata Creator: | Frank Nitsche |
| Metadata Created: | 08.09.2023 |
| Metadata Last Updated: | 08.09.2023 |
| Subproject: | B2 |
| Funding Phase: | 2 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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| Page Visits: | 29 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 0 |
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Adequate reference when this dataset will be discussed or used in any publication or presentation is mandatory. In this case please contact the dataset creator.
