Table 3.

Metabolic interactions between community members

Organism(s) added to P. putida R1 biofilmsGene expression in biofilmGene expression in liquidb
Pu::gfpPm::gfpPu::gfpPm::gfp
None++
Acinetobacter sp. strain C6++++
D8a ++
smo111 + smo113 + smo115 + smo127a ++
Acinetobacter sp. strain C6 + D8 + smo111 + smo113 + smo 115 + smo127a ++++
  • a All organisms except P. putida R1 and Acinetobacter sp. strain C6 became established in biofilms at very low concentrations (less than 1%).

  • b Observed in an outgrown overnight culture.