Plant-Associated Rhodococcus Species, for Better and for Worse

Rhodococcus fascians, causative agent of the leafy gall syndrome, produces a mixture of cytokinins to modify the hormone landscape of its broad range of plant hosts leading to tissue deformations and developmental alterations

Isolde M. Francis; Danny Vereecke

2019

Key concepts

Scholarcy highlights

  • Rhodococcus fascians, causative agent of the leafy gall syndrome, produces a mixture of cytokinins to modify the hormone landscape of its broad range of plant hosts leading to tissue deformations and developmental alterations
  • Recent developments indicate that the pathogenic nature of these bacteria is superimposed on its plant growth-promoting effect
  • In the last two decades, its unique position as the only species within the genus able to interact with plants has been overthrown
  • Pistachio Bushy Top Syndrome is an emerging disease linked to the presence of two Rhodococcus species, R. fascians and R. corynebacterioides
  • Genome analyses of a collection of R. fascians isolates imply that the taxonomic position of this group of bacteria within the genus will have to be reevaluated, and likely a new genus consisting of several species will be proposed soon

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