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Articles by Alexander B. Westbye
The CckA-ChpT-CtrA Phosphorelay Controlling Rhodobacter capsulatus Gene Transfer Agent Production Is Bidirectional and Regulated by Cyclic di-GMP
Research Article Reynold G. Farrera-Calderon, Purvikalyan Pallegar, Alexander B. Westbye, Christina Wiesmann, Andrew S. Lang, J. Thomas Beatty George O’Toole, Editor DOI: 10.1128/JB.00525-20 ABSTRACT Protein phosphorylation is a universal mechanism for transducing cellular signals in prokaryotes and eukaryotes. The histidine kinase CckA, the histidine phosphotransferase ChpT, and the response regulator CtrA are conserved throughout the alphaproteobacteria.
The CckA-ChpT-CtrA phosphorelay controlling Rhodobacter capsulatus gene transfer agent (RcGTA) production is bi-directional and regulated by cyclic-di-GMP
Research Article Reynold G. Farrera-Calderon, Purvikalyan Pallegar, Alexander B. Westbye, Christina Wiesmann, Andrew S. Lang, J. Thomas Beatty DOI: 10.1128/JB.00525-20 ABSTRACT Protein phosphorylation is a universal mechanism for transducing cellular signals in prokaryotes and eukaryotes. The histidine kinase CckA, histidine phosphotransferase ChpT and response regulator CtrA are conserved throughout the alphaproteobacteria.
Bridging the divide: bacteria synthesizing archaeal membrane lipids
Bridging the divide: bacteria synthesizing archaeal membrane lipids Laura Villanueva, F. A. Bastiaan von Meijenfeldt, Alexander B. Westbye, Ellen C. Hopmans, Bas E. Dutilh, Jaap S. Sinninghe Damste bioRxiv 448035; doi: https://doi.org/10.1101/448035
The Protease ClpXP and the PAS Domain Protein DivL Regulate CtrA and Gene Transfer Agent Production in Rhodobacter capsulatus
Several members of the Rhodobacterales (Alphaproteobacteria) produce a conserved horizontal gene transfer vector, called the gene transfer agent (GTA), that appears to have evolved from a bacteriophage. The model system used to study GTA biology is the Rhodobacter capsulatus GTA (RcGTA), a small, tailed bacteriophage-like particle produced by a subset of the cells in a culture.
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