Structural and regulatory determinants of flagellar motility in <i>Rhodobacterales</i>-the archetypal flagellum of <i>Phaeobacter inhibens</i> DSM 17395.

ABSTRACT: Flagellar motility is crucial for the swim-and-stick lifestyle and plays an important role in bacterial-algal interactions of Rhodobacterales. This alphaproteobacterial order contains three distinct types of flagellar gene clusters (FGCs) for the formation of a functional flagellum. Our phylogenetically broad taxon sampling of more than 300 genomes revealed that the most common FGC, the fla1-type, was probably already present in the common ancestor of Rhodobacterales and was strictly vertically inherited, while the other two FGC types, fla2 and fla3, were spread via horizontal operon transfers. Swimming of the marine model organism Phaeobacter inhibens DSM 17395 (Roseobacteraceae) is mediated by the archetypal fla1-type flagellum. Scr

SUBMITTER: Tomasch J 

PROVIDER: S-EPMC12363192 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature