Leishmania guyanensis with mCherry and luciferase

— Leishmania guyanensis strain M4147 (+/- LRV) engineered to express two markers, mCherry and firefly luciferase. The constructs are stably integrated into the ribosomal RNA SSU locus. Parasites with these markers can be followed by fluorescence or bioluminescence approaches which is faster and requir…

Leishmania major mutant lacking TOR3 gene

— The creators used classical homologous recombination to remove both copies of the Leishmania major target of rapamycin (TOR3). This mutant was used to study TOR3’s suitability as a potential drug candidate.

Da Silva, L. M., & Beverley, S. M. (2010). Expansion of the target of rapamycin (T…

VSV-SARS2-mutants to characterize antibody panels

— This is a large panel of variants in the SARS-CoV-2 spike protein incorporated into a VSV-vector. These were largely selected as escape mutants to neutralizing antibodies or were designed to probe the function of circulating viral variants. These constructs can be used to screen antibodies and solub…

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