Table 1.

Bacterial species known not to contain secondary metabolite gene clusters

Bacterial species and description	Tax-ID
Dehalococcoides sp. VS Chloroflexi (ph), Dehalococcoidia (cl), Dehalococcoidales (or), Dehalococcoidaceae (fa), Dehalococcoides (gn) Anaerobic, obligately organohalide-respiring	311424
Dehalogenimonas lykanthroporepellens BL-DC-9 Chloroflexi (ph), Dehalococcoidia (cl), Dehalogenimonas (gn) Strictly anaerobic, mesophilic, non spore-forming, Gram-negative	552811
Chloroflexus aurantiacus J-10-fl Chloroflexi (ph), Chloroflexia (cl), Chloroflexales (or), Chloroflexaceae (fa), Chloroflexus (gn) Filamentous anoxygenic phototroph, thermophilic green bacterium	324602
Deferribacter desulfuricans SSM1 Deferribacteres (ph), Deferribacterales (or), Deferribacteraceae (fa), Deferribacter (gn) Strictly anaerobic, thermophilic, sulphur-reducing, heterotroph	639282
Calditerrivibrio nitroreducens Yu37-1 Deferribacteres (ph), Deferribacterales (or), Deferribacteraceae (fa) Strictly anaerobic, moderately thermophilic, nitrate-reducing, Gram-negative, non-sporulating	768670
Denitrovibrio acetiphilus N2460 Deferribacteres (ph), Deferribacterales (or), Deferribacteraceae (fa), Denitrovibrio (gn) Obligately anaerobic, mesophilic, nitrate reducing	522772
Flexistipes sinusarabici MAS10 Deferribacteres (ph), Deferribacterales (or), Deferribacteraceae (fa), Flexistipes (gn) Strictly anaerobic, moderately thermophilic, Gram-negative, non-motile, heterotrophic, marine habitat	717231
Desulfurispirillum indicum S5 Chrysiogenetes (ph), Chrysiogenales (or), Chrysiogenaceae (fa), Desulfurispirillum (gn) Strictly anaerobic, uses selenate, selenite, arsenate, nitrate or nitrite as terminal electron acceptors	653733
Thermodesulfatator indicus CIR 29812 Thermodesulfobacteria (ph), Thermodesulfobacteriales (or), Thermodesulfobacteriaceae (fa), Thermodesulfatator (gn) Anaerobic, thermophilic, chemolithoautotrophic sulfate reducer isolated from a deep-sea hydrothermal vent	667014
Thermanaerovibrio acidaminovorans Su883 Synergistetes (ph), Synergistia (cl), Synergistales (or), Synergistaceae (fa), Thermanaerovibrio (gn) Anaerobic, isolated from an reactor of a sugar refinery, Gram-negative, motile, non-spore-forming	525903
Aminobacterium colombiense ALA-1 Synergistetes (ph), Synergistia (cl), Synergistales (or), Synergistaceae (fa), Aminobacterium (gn) Isolated from an anaerobic lagoon, mesophilic, amino acid fermenting, Gram-negative, non-sporulating	572547
Thermovirga lienii Cas60314 Synergistetes (ph), Synergistia (cl), Synergistales (or), Synergistaceae (fa), Thermovirga (gn) Anaerobic, thermophilic, chemoorganotrophic, Gram-negative, motile, from a marine oil well	580340
Akkermansia muciniphila ATCC BAA-835 Verrucomicrobia (ph), Verrucomicrobiae (cl), Verrucomicrobiales (or), Akkermansiaceae (fa), Akkermansia (gn) Anaerobic, isolated from the human intestinal tract	349741
Thermus scotoductus SA-01 Deinococcus-Thermus (ph), Deinococci (cl), Thermales (or), Thermaceae (fa), Thermus (gn) Growth with oxygen and nitrate as terminal electron acceptors, reduces a variety of metal ions	743525
Candidatus Cloacamonas acidaminovorans Candidatus Cloacimonetes (ph), Candidatus Cloacimonas (gn) Anaerobic digester of a municipal wastewater treatment plant	459349

The respective genomes are part of KEGG databases. The name, the NCBI Tax-ID and the phylogenetic lineage are listed; abbreviations are: phylum (ph), class (cl), order (or), family (fa), genus (gn). Additionally, a short description of the habitat and of the species are given, which were taken from [19]