Table 1 Bacterial species known not to contain secondary metabolite gene clusters

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