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Table 2 Indicator genera significantly associated with pyrene treatment in the soil-compost mixture at day 48 and in fertilized soil at day 46, using group-equalized point-biserial correlation coefficients (Phi coefficient) computed from genera relative abundance data derived from 16S rDNA amplicon libraries from extracted DNA and from RNA (cDNA) for comparison, with indication of the significance p value

From: Microbial communities in pyrene amended soil–compost mixture and fertilized soil

Taxonomy Statistics Biology and PAH degradation potential
Genus Class Phi coeff. p value Gram Indications for PAH degradation References
Soil-compost mixture, 48 days incubation
 Arthrobacter Actinobacteria 0.786 0.035 + Nap, Phe Daane et al. (2001); Kallimanis et al. (2007); Thion et al. (2012)
 Formosa Flavobacteriia 0.744 0.035
 Gp21 Acidobacteriia 0.787 0.035 Acidobacteria positively correlated with PAH removal Xu et al. (2014)
 Lysobacter Gammaproteo-bacteria 0.721 0.035 Nap, Phe Maeda et al. (2009)
 Streptomyces Actinobacteria 0.801 0.035 + Nap, Phe Balachandran et al. (2012)
 Tetrasphaera Actinobacteria 0.690 0.035 +
 un_Propioni-bacteriaceae Actinobacteria 0.751 0.035 +   
Fertilized soil, 46 days incubation
 Agromyces Actinobacteria 0.908 0.008 + (PAH enrichment) HuiJie et al. (2011)
 Arenimonas Gammaproteo-bacteria 0.623 0.030 (Isolated from oil conta-minated site) Young et al. (2007)
 Bacillus Bacilli 0.560 0.037 + Nap, Ace, Ant, Flt, Pyr, B[e]p e.g. Annweiler et al. (2000); Das and Mukherjee (2007); Feitkenhauer et al. (2003); Gauthier et al. (2003)
 Intrasporangium Actinobacteria 0.614 0.048 +
 Luteimonas Gammaproteo-bacteria 0.859 0.008 (Growing on mineral oil) Borzenkov et al. (2014)
 Lysobacter Gammaproteo-bacteria 0.940 0.008 Nap, Phe Maeda et al. (2009)
 Mesorhizobium Alphaproteo-bacteria 0.675 0.035 Flu, Phe Wang et al. (2008)
 Microbacterium Actinobacteria 0.800 0.026 + Phe, Pyr, Chr Gauthier et al. (2003); Sheng et al. (2009)
 Mycobacterium Actinobacteria 0.847 0.008 + Nap, Flu, Phe, Ant, Flt, Pyr, B[a]p e.g. Bogan et al. (2003); Derz (2004); Heitkamp et al. (1988); Hennessee et al. (2009); Kästner et al. (1994); Willumsen et al. (2001)
 Novosphingobium Alphaproteo-bacteria 0.819 0.008 Flu, Phe, Ant, Flt, Pyr, B[a]a, Chr, B[b]f, B[a]p Sohn (2004); Yuan et al. (2009a)
 Phenylobacterium Alphaproteo-bacteria 0.745 0.019 (enriched in crude oil amended soil) Yang et al. (2014)
 Pseudo-xanthomonas Gammaproteo-bacteria 0.891 0.010 Phe Patel et al. (2012)
 Solitalea Sphingo-bacteriia 0.755 0.017
 Sphingomonas Alphaproteo-bacteria 0.802 0.023 Nap, Acy, Ace, Phe, Ant, Flt, Pyr, Chr, B[a]p e.g. Coppotelli et al. (2010); Kästner et al. (1994); Mueller et al. (1990); Navarro et al. (2008); Pinyakong et al. (2004); Willison (2004); Zhou et al. (2006)
 Sporosarcina Bacilli 0.739 0.013 +
 Subtercola Actinobacteria 0.793 0.008 +
 un_Caulo-bacteraceae Alphaproteo-bacteria 0.823 0.012   
 un_Cysto-bacteraceae Deltaproteo-bacteria 0.740 0.032   
 un_Phyllo-bacteriaceae Alphaproteo-bacteria 0.819 0.008   
  1. Indicator genera are compared to literature concerning PAH degradation potential
  2. coeff coefficient, Ref reference, un unclassified; Nap naphthalene, Acy acenaphthylene, Ace acenaphthene, Flu fluorene, Phe phenanthrene, Ant anthracene, Flt fluoranthene, Pyr pyrene, B[a]a benzo[a]anthracene, Chr chrysene, B[b]f benzo[b]fluoranthene, B[a]p benzo[a]pyrene, B[e]p benzo[e]pyrene