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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Identifying Rmda Protein Interactions In Streptomyces Using A Bacterial Two-Hybrid System, Rachel Nguyen
Identifying Rmda Protein Interactions In Streptomyces Using A Bacterial Two-Hybrid System, Rachel Nguyen
Undergraduate Distinction Papers
Streptomyces is a genus of the phylum actinobacteria most commonly found as soil bacteria and used as a major source of antibiotics. RmdA and RmdB are phosphodiesterases that break down the ubiquitous second messenger cyclic-di-GMP which determines colony morphology and development of Streptomyces. The objective of this research is to identify whether RmdA will have interactions with itself using the Bacterial Adenylate Cyclase Two-Hybrid (BACTH) System. Each gene was fused into one of two BACTH vectors that encode a different domain of a single protein (T18 and T25) and then cotransformed into the BACTH indicator strain. The transformants were …
The Identification And Characterization Of A Putative Chromosome Segregation Gene In Streptomyces Coelicolor, Sean Kirk
Undergraduate Distinction Papers
Streptomyces coelicolor is a soil bacterium that is a model for bacterial development. It is a filamentous, sporulating bacterium known to produce many medically utilized antibiotics. The goal of this research was to examine several developmental mutants and characterize novel genes of interest. Previously generated random transposon insertion mutants were analyzed using visual and microscopic phenotyping. Mutants of interest were further pursued and each transposon disruption site was identified by Inverse PCR and DNA sequencing. One of the novel genes is suspected to be involved in DNA segregation and codes for a putative membrane protein. Staining with propidium iodide was …