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The Emergence of Different Functionally Equivalent PAH Degrading Microbial Communities from a Single Soil in Liquid PAH Enrichment Cultures and Soil Microcosms Receiving PAHs with and without Bioaugmentation

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Fig. 1.

Percent PAH degradation in the PAH amended soil without bioaugmentation.
Percent PAH degradation in the PAH amended soil without bioaugmentation.

Fig. 2.

Percent PAH degradation in the PAH amended and bioaugmented soil.
Percent PAH degradation in the PAH amended and bioaugmented soil.

Fig. 3.

Comparison of the percentage of clones at the phylum level between the unamended control, PAH amended, bioaugmented microcosms and the soil enrichment on day 22.* Indicates those taxonomic groups that are significantly different at p < 0.01 between the control and the PAH amended microcosms and ** indicates those taxonomic groups that are significantly different between the PAH amended and PAH amended and bioaugmented microcosms.
Comparison of the percentage of clones at the phylum level between the unamended control, PAH amended, bioaugmented microcosms and the soil enrichment on day 22.* Indicates those taxonomic groups that are significantly different at p < 0.01 between the control and the PAH amended microcosms and ** indicates those taxonomic groups that are significantly different between the PAH amended and PAH amended and bioaugmented microcosms.

Fig. 4.

Comparison of the percentage of Bacteroidetes clones at the family level (and genus level for Ohtaekwangia) between the unamended control, PAH amended and PAH amended and bioaugmented soils on day 22.
Comparison of the percentage of Bacteroidetes clones at the family level (and genus level for Ohtaekwangia) between the unamended control, PAH amended and PAH amended and bioaugmented soils on day 22.

Putative PAH degrading genera identified in the soil enrichment and soil microcosms.

PhylumSoil Enrichment – Day 22PAH Amended – Day 8Augmented – Day 8PAH Amended – Day 22Bioaugmented – Day 22
BacteriodetesSediminibacteriumFlavobacterium
Arenibacter
AlphaproteobacteriaAzospirillum
BoseaBosea
BrevundimonasBrevundimonas
Devosia
Hyphomicrobium
Phyllobacterium
SphingomonasSphingomonasSphingomonas
Sphingopyxis
BetaproteobacteriaAchromobacterAchromobacter
BordetellaBordetella
PusillimonasPusillimonas
GammaproteobacteriaPseudomonasPseudomonas
PseudoxanthomonasPseudoxanthomonasPseudoxanthomonas
SteroidobacterSteroidobacter
FirmicutesBacillusBacillusBacillusBacillus
Paenibacillus
Candidatus SaccharibacteriaSaccharibacteria genera incertae sedisSaccharibacteria genera incertae sedisSaccharibacteria genera incertae sedisSaccharibacteria genera incertae sedis
eISSN:
2544-4646
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Life Sciences, Microbiology and Virology