Proteus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA895692 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:The study comprises a hybrid transcriptome assembly of the olm (Proteus anguinus) that was created from Illumina short-reads and ONT long-reads. The transcriptome assembly is based on samples from six organs animals: brain, gut, heart, liver, lung and skin. In addition, we used the assembled transcripts and Illumina short-reads from two to three animals per organ to profile the gene expression in the olm.
2025-02-21 | GSE286268 | GEO
Project description:Directed evolution (DE) is a process of mutation and iterative artificial selection to breed biomolecules with new or improved activity. DE platforms are primarily prokaryotic or yeast-based, and stable highly mutagenic mammalian systems have been challenging to establish and apply. To this end, we developed PROTein Evolution Using Selection (PROTEUS), a new platform that uses chimeric virus-like vesicles (VLVs) to enable extended mammalian DE campaigns without loss of system integrity. This platform, consisting of a minimal modified Semliki Forest virus genome controlling expression of the Indiana vesiculovirus G coat protein, is stable and can generate sufficient diversity for DE in mammalian systems. Using PROTEUS, we altered the doxycycline responsiveness of tetracycline-controlled transactivators, generating a more sensitive TetON-4G tool for gene regulation. PROTEUS is also compatible with intracellular nanobody evolution, and we use it to design a novel DNA damage-responsive anti-p53 nanobody. Overall, PROTEUS is a robust, efficient, and stable platform to direct evolution of biomolecules within mammalian cells.
2025-04-03 | GSE250501 | GEO
Project description:Directed evolution (DE) is a process of mutation and iterative artificial selection to breed biomolecules with new or improved activity. DE platforms are primarily prokaryotic or yeast-based, and stable highly mutagenic mammalian systems have been challenging to establish and apply. To this end, we developed PROTein Evolution Using Selection (PROTEUS), a new platform that uses chimeric virus-like vesicles (VLVs) to enable extended mammalian DE campaigns without loss of system integrity. This platform, consisting of a minimal modified Semliki Forest virus genome controlling expression of the Indiana vesiculovirus G coat protein, is stable and can generate sufficient diversity for DE in mammalian systems. Using PROTEUS, we altered the doxycycline responsiveness of tetracycline-controlled transactivators, generating a more sensitive TetON-4G tool for gene regulation. PROTEUS is also compatible with intracellular nanobody evolution, and we use it to design a novel DNA damage-responsive anti-p53 nanobody. Overall, PROTEUS is a robust, efficient, and stable platform to direct evolution of biomolecules within mammalian cells.
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Project description:Proteus mirabilis is a leading cause of catheter-associated urinary tract infections (UTIs) and urolithiasis. The transcriptional regulator MrpJ inversely modulates two critical aspects of P. mirabilis UTI progression: fimbria-mediated attachment to the urinary tract, and flagella-mediated motility. Chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq) was used for the first time in a CAUTI pathogen to probe for in vivo direct targets of MrpJ. ChIP-seq revealed 81 78 direct MrpJ targets, including genes for motility, fimbriae and a type VI secretion system (T6SS), and the putative MrpJ binding sequence ACnCnnnnnnnGnGT.
2018-08-10 | GSE96042 | GEO
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