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Table 4 Microbial groups evaluated by 16S-rDNA amplification at the optimum organic loading rate in the modified UASB reactor

From: Methane production by treating vinasses from hydrous ethanol using a modified UASB reactor

Domain

Group

Amplicon*

 

Archaea

+

Archaea

Methanogens

+

 

Methanobacteriales

+

 

Methanosarcinales

+

 

α-Proteobacteria

+

 

β-Proteobacteria

+

Bacteria

γ-Proteobacteria

+

 

δ-Proteobacteria

+

 

High GC Gram-positive Bacteria

-

 

Low GC Gram-positive Bacteria

+

 

Bacillus

+

 

Sulfate Reducing Bacteria (SRB)

+

 

Clostridium

+

  1. *Presence (+) or absence (−) of the specific amplification product.