Anna Gimmler

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We used high-throughput sequencing to unravel the genetic diversity of protistan (including fungal) plankton in hypersaline ponds of the Ria Formosa solar saltern works in Portugal. From three ponds of different salinity (4, 12 and 38 %), we obtained ca. 105,000 amplicons (V4 region of the SSU rDNA). The genetic diversity we found was higher than what has(More)
Environmental high-throughput sequencing (envHTS) is a very powerful tool, which in protistan ecology is predominantly used for the exploration of diversity and its geographic and local patterns. We here used a pyrosequenced V4-SSU rDNA data set from a solar saltern pond as test case to exploit such massive protistan amplicon data sets beyond this(More)
Many large network data sets are noisy and contain links representing low-intensity relationships that are difficult to differentiate from random interactions. This is especially relevant for high-throughput data from systems biology, large-scale ecological data, but also for Web 2.0 data on human interactions. In these networks with missing and spurious(More)
Illumina reads of the SSU-rDNA-V9 region obtained from the circumglobal Tara Oceans expedition allow the investigation of protistan plankton diversity patterns on a global scale. We analyzed 6,137,350 V9-amplicons from ocean surface waters and the deep chlorophyll maximum, which were taxonomically assigned to the phylum Ciliophora. For open ocean samples(More)
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