Metabarcoding Analysis of Bacterial Communities Associated with Media Grow Bed Zones in an Aquaponic System
Table 3
Comparison of microbial genera among media bed zones and effluent water.
Genus
Function
Dry zone
Root zone
Mineralized zone
Effluent water
Acidibacter
Iron cycling
−
+
+
−
Actinomycetospora
Associative nitrogen fixation
+
+
+
−
Aeromicrobium
Nitrogen fixation
+
+
+
−
Blastococcus
Decomposition of organic matter
+
+
+
−
Dokdonella
Denitrification
−
+
+
+
Flexivirga
Degradation of organic matter
+
+
+
−
Friedmanniella
Production of antimicrobial substances
+
+
+
−
Heliimonas
Breakdown of complex organic compounds
−
+
+
+
Jatrophihabitans
Production of secondary metabolites
+
+
+
−
Marmoricola
Denitrification
+
+
+
−
Modestobacter
Phosphate solubilization
+
+
+
−
Nocardioides
Production of antibiotics, lignocellulose decomposition
+
+
+
−
Opitutus
Denitrification, polysaccharide degradation
−
+
+
+
Pseudonocardia
Nitrogen fixation
+
+
+
−
Rhodoluna
Ability to produce secondary metabolites that have antibiotic properties
−
+
+
+
Rudaea
Decomposition of plant residues
−
+
+
+
Hymenobacter
Decomposition of plant residues
+
+
+
−
Pontibacter
Nitrogen fixation
+
+
+
−
+: presence of the genus in the environment; −: absence of the genus in the environment. The function description of each genus is based on Taxonomic Outline of the Prokaryotes, Bergey’s Manual of Systematic Bacteriology by Holt et al. [22], and the Prokaryotes by Dworkin et al. [23].
