Table 2

Bacterial taxa with higher abundance in rhizosphere soils than bulk soil in the 2008 and/or 2010 field samples

Taxa with a significantlya higher abundance in rhizosphere soil than bulk soil inb:
20082010
FamilyGenusFamilyGenus
PseudomonadaceaePseudomonas*PseudomonadaceaePseudomonas*
FlavobacteriaceaeFlavobacterium*FlavobacteriaceaeFlavobacterium* (OTU258, OTU367)
ComamonadaceaeVariovorax*ComamonadaceaeVariovorax*
BurkholderiaceaeBurkholderia*BurkholderiaceaeBurkholderia*
SphingobacteriaceaePedobacter*SphingobacteriaceaePedobacter* (OTU26, OTU52, OTU380)
MicrobacteriaceaeMicrobacteriumOxalobacteraceaeDuganella (OTU4)
Duganella (OTU200)
Herminiimonas
Herbaspirillum
PhyllobacteriaceaePhyllobacteriumPhyllobacteriaceaeMesorhizobium
SphingomonadaceaeSphingomonasBurkholderiaceaeRalstonia
ChitinophagaceaeChitinophaga
GemmatimonadaceaeGemmatimonas (OTU13, OTU1597)
  • a Statistical significance was defined as P ≤ 0.05.

  • b An asterisk indicates that the sequences from the 2008 and 2010 samples showed 100% identity. Sequences were clustered into OTUs at a 3% dissimilarity level.