TABLE 2.

Taxonomic and phylogenetic characterization of isolates

IsolateNo. of the highest dilu- tion plate of colony appearanceMinimum cell density (CFU g of VSS−1)Morphol- ogyGram stainaClosest relativeTaxonomic affiliation(s)16S rRNA gene sequence identity (%)No. of bases used to establish identity
PG-01107(5.64 ± 0.87) × 1010CocciPandoraea apista strain LMG 16407β-Proteobacteria98.71,326
PG-02105(1.01 ± 0.92) × 108Cocci+Propioniferax innocua ATCC 49929Actinobacteria, HGCb gram-positive bacteria, Propionibacteriacaea93.51,315
PG-03104(5.49 ± 1.80) × 106Rod+Rhodococcus erythropolis strain HV1 00/50/6670Actinobacteria, HGC gram-positive bacteria, Nocardioidaceae99.81,433
PG-04104(3.05 ± 1.42) × 106Cocci+Propionibacterium cyclohexa- nicum strain IAM 14535Actinobacteria, HGC gram-positive bacteria, Propionibacteriacaea87.71,370
PG-05105(1.53 ± 1.37) × 107CocciXenophilus azovorans KF46FTβ-Proteobacteria98.81,437
PG-06105(2.55 ± 1.32) × 106RodAcidovorax avenae ATCC 29625β-Proteobacteria97.91,437
PG-07104(1.93 ± 0.72) × 105CocciXanthomonas axonopodis strain s53γ-Proteobacteria98.11,409
PG-08105(3.56 ± 1.52) × 106CocciComamonas sp. D22β-Proteobacteria97.01,408
PG-09104(7.62 ± 2.80) × 106CocciPigmentiphagaβ-Proteobacteria99.61,432
PG-10104(4.56 ± 1.72) × 106RodHydrogenophaga palleronii DSM 63β-Proteobacteria98.51,483
  • a Gram negative, −; gram positive, +.

  • b HGC, high G+C content.