Project description:Fluoride is the anionic form of fluorine, the 13th most abundant element in Earth's crust, and it is toxic to many organisms above a threshold concentration. Environmental bacteria can withstand relatively high fluoride concentrations, but the only mechanism described so far is the CrcB-dependent efflux. CrcB-mediated export is the primary mechanism of F-tolerance in the model environmental bacterium Pseudomonas putida, yet spontaneous NaF-tolerant mutants arise in the absence of the CrcB transporter, showing that this is not the sole pathway of tolerance. We used whole-genome sequencing, proteomic, and transcriptomic analyses to identify mechanisms that affect fluoride tolerance in Pseudomonas putida.
Project description:description Blastocystis sp. is a highly prevalent anaerobic eukaryotic parasite of humans and animals. The genome of several representatives has been sequenced revealing specific traits such as an intriguing 3’-end processing of primary transcripts. We have acquired a first high-throughput proteomics dataset on the difficult to cultivate ST4 isolate WR1 and detected 2,761 proteins. We evidenced for the first time by proteogenomics a functional termination codon derived from transcript polyadenylation for seven different key cellular components.