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Table 4 Species identified during a fragment recruitment analysis using metagenome sequence data of wet and dry fermentation biogas plants

From: Comparative metagenomics of biogas-producing microbial communities from production-scale biogas plants operating under wet or dry fermentation conditions

(x) a Species (y) b

Functional role

Taxonomy c (phylum, class, order)

Origin; attributes; metabolic features

Reference

(1) Methanoculleus bourgensis (1)

Methanogenic

Euryarchaeota, Methanomicrobia, Methanomicrobiales

Isolated from activated sludge; methanogen; hydrogenotroph

[43]

(2) Clostridium clariflavum (3)

Cellulolytic

Firmicutes, Clostridia, Clostridiales

Isolated from thermophilic anaerobic sludge; Cluster III Clostridium; cellulolytic; cellulosome

[52]

(3) Clostridium thermocellum (4)

Cellulolytic

Firmicutes, Clostridia, Clostridiales

Isolated from hot spring (Yellowstone), cotton bales, farm soil and other habitats; thermophilic; cellulolytic; cellulosome

[26,53]

(4) Clostridium kluyveri (7)

Secondary fermenters

Firmicutes, Clostridia, Clostridiales

Isolated from canal mud; fermentation of ethanol and acetate to butyrate, caproate and H2

[54]

(5) Streptococcus infantarius (13)

Secondary fermenters

Firmicutes, Bacilli, Lactobacillales

Isolated from fermented dairy and plant products; associated with different human and animal infections; fermentative metabolism

[27]

(6) Thermoanaerobacterium thermosaccharolyticum (5)

Syntrophic

Firmicutes, Clostridia, Thermoanaerobacterales

Isolated from geothermal sites (Yellowstone); class V Clostridia; saccharolytic; fermentation of a wide range of carbohydrates to ethanol, acetic acid, lactic acid, H2 and CO2

[55,56]

(7) Mahella australiensis (6)

Secondary fermenters

Firmicutes, Clostridia, Thermoanaerobacterales

Isolated from oil field (Queensland, Australia); predicted to utilize pentoses; xylose metabolism

[57]

(8) Methanoculleus marisnigri (2)

Methanogenic

Euryarchaeota, Methanomicrobia, Methanomicrobiales

Isolated from marine sediment; methanogen; hydrogenotroph

[58,59]

(9) Desulfotomaculum carboxydivorans (8)

Secondary fermenters

Firmicutes, Clostridia, Clostridiales

Isolated from anaerobic bioreactor sludge; moderately thermophilic; fermentation of pyruvate, lactate, glucose and fructose; chemolithoheterotrophic; sulfate reduction

[60]

(10) Costridium difficile (12)

Secondary fermenters

Firmicutes, Clostridia, Clostridiales

Human isolate; pathogenic for humans and animals; causes diarrhea and colitis; mesophilic; chemoorganotroph

[61]

(11) Thermoanaerovibrio acidaminovorans (11)

Syntrophic

Synergistetes, Synergistia, Synergistales

Isolated from anaerobic reactor of a sugar refinery; fermentation of amino acids to acetate and propionate; metabolism enhanced by hydrogen scavenger

[62]

(12) Syntrophomonas wolfei subsp. wolfei (15)

Syntrophic

Firmicutes, Clostridia, Clostridiales

Isolated from anaerobic digester sludge; syntrophic fatty acid metabolism, syntrophic association with methanogenic archaeon

[63]

(13) Streptococcus gallolyticus (-)

Secondary fermenters

Firmicutes, Bacilli, Lactobacillales

Isolated from endocarditis patient; part of the rumen flora; pathogenic for ruminants, birds and humans; fermentation of carbohydrates of plant origin

[18,64-67]

(14) Streptococcus suis (10)

Secondary fermenters

Firmicutes, Bacilli, Lactobacillales

Clinical origin; zoonotic pathogen for pigs and humans; fermentation of carbohydrates

[2,32,67]

(15) Streptococcus pasteurianus (-)

Secondary fermenters

Firmicutes, Bacilli, Lactobacillales

Isolated from human blood; pathogenic; fermentation of carbohydrates

[52,67]

(16) Streptococcus macedonicus (-)

Secondary fermenters

Firmicutes, Bacilli, Lactobacillales

Isolated from fermented (dairy) foods; pathogenic; fermentation of carbohydrates

[67,68]

(17) Thermoanaerobacter sp. (18)

Secondary fermenters

Firmicutes, Clostridia, Thermoanaerobacterales

Isolated from deep sub-surface sample; thermophilic; fermentation of monomeric and polymeric carbohydrates to ethanol

[69,70]

(18) Pelotomaculum thermopropionicum (9)

Syntrophic

Firmicutes, Clostridia, Clostridiales

Isolated from granular sludge of an upflow blanket reactor; thermophilic; fermentation of volatile fatty acids (propionate) in syntrophic association with methanogen

[71,72]

(19) Clostridium cellulolyticum (16)

Cellulolytic

Firmicutes, Clostridia, Clostridiales

Isolated from decayed grass compost; cellulolytic; cellulosome

[55]

(20) Clostridium cellulovorans

Cellulolytic

Firmicutes, Clostridia, Clostridiales

Isolated from methanogenic fermentation of hybrid poplar wood; mesophilic; cellulolytic; cellulosome

[73]

(-) Petrotoga mobilis (14)

Secondary fermenters

Thermotogae, Thermotogae, Thermotogales

Isolated from hot oil-field water from oil reservoir; heterotrophic; fermentation of different carbohydrates including xylan

[74]

(-) Bacillus coagulans (17)

Secondary fermenters

Firmicutes, Bacilli, Bacillales

Isolated from spoiled canned milk; thermotolerant; slightly acidophilic; carbohydrate utilization; production of lactic acid

[75]

(-) Geobacillus sp. (19)

Secondary fermenters

Firmicutes, Bacilli, Bacillales

thermophilic; chemoorganotrophic

CP001638 (GenBank Accession No., unpublished)

(-) Syntrophothermus lipocaldicus (20)

Syntrophic

Firmicutes, Clostridia, Clostridiales

Isolated from thermophilic upflow anaerobic sludge blanket; utilization of fatty acids (butyrate); syntrophic association with hydrogenotrophic organisms

[76]

  1. aRanking of fragment recruitments within the BGP_WF dataset.
  2. bRanking of fragment recruitments within the BGP_DF dataset.
  3. cTaxonomic classification of the reference microorganism identified by fragment recruitment. Identified microorganisms were classified according to their functional role.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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