• Media type: E-Article
  • Title: Unique Properties of the Alpha-Helical DNA-Binding Protein KfrA Encoded by the IncU Incompatibility Group Plasmid RA3 and Its Host-Dependent Role in Plasmid Maintenance
  • Contributor: Lewicka, Ewa; Mitura, Monika; Steczkiewicz, Kamil; Kieracinska, Justyna; Skrzynska, Kamila; Adamczyk, Malgorzata; Jagura-Burdzy, Grazyna
  • Published: American Society for Microbiology, 2021
  • Published in: Applied and Environmental Microbiology, 87 (2021) 2
  • Language: English
  • DOI: 10.1128/aem.01771-20
  • ISSN: 0099-2240; 1098-5336
  • Origination:
  • Footnote:
  • Description: Alpha-helical coiled-coil KfrA-type proteins are encoded by various broad-host-range low-copy-number conjugative plasmids. The DNA-binding protein KfrA encoded on the RA3 plasmid, a member of the IncU incompatibility group, oligomerizes, forms a complex with another plasmid-encoded, alpha-helical protein, KfrC, and interacts with the segrosome proteins IncC and KorB. The unique mode of KfrA dimer binding to the repetitive operator is required for a KfrA role in the stable maintenance of RA3 plasmid in distinct hosts.
  • Access State: Open Access