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Class | Active | Resistant |
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This is a common inhabitant of the human gut and is one of the first species to colonise the gut in infants.
Fuel sources used:
It can use fibre, simple sugars (including lactose), protein and mucus as energy sources.
Metabolites produced:
Our genomic analysis indicates that most members of this species can produce the following metabolites: acetate, lactate, cobalamin, folate.
Metabolites consumed:
In addition, our genomic analysis indicates that most members of this species do not consume any reported metabolites.
Emerging research:
Small-scale studies have observed reduced levels of this species in patients with irritable bowel syndrome and Crohn's disease. However, high levels of this species have been associated with increased total cholesterol levels.
The bacterium Collinsella aerofaciens is well known for its ability to ferment a range of plant and animal origin carbohydrates and for producing H2, ethanol, short-chain fatty acids, and lactate in the human colon. C. aerofaciens is the major utilizer of lactose in the human colon. Several studies demonstrated that Collinsella and Bifidobacterium can modify the host bile acids to modulate the virulence and pathogenicity of enteric pathogens. Recently, it was reported that an altered abundance of Collinsella may also influence host plasma cholesterol levels. [PMID: 29167267]
Collinsella aerofaciens, a rod-shaped nonmotile obligate anaerobe, is the most abundant actinobacterium in the gastrointestinal tract of healthy humans. An altered abundance of C. aerofaciens may be linked with several health disorders, including irritable bowel syndrome. [PMID: 29167267]
Moore, WEC & LV Holdeman (1974). Human fecal flora: the normal flora of 20 Japanese-Hawaiians. Appl. Microbiol. 27: 961-979.
Lineage | Physiology | General | Growth Tolerances | Hydrol./digest./degr. |
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Health:
Positive
Source: human faeces
DNA G+C(%): 60-61
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Monosaccharide O/F | Oligosaccharide O/F | Polysaccharide O/F | Polyol O/F | Other O/F |
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Monosaccharide util/assim | Oligosaccharide util/assim | Other carboh. util/assim | Amino acid util/assim | Organic acid util/assim |
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Enzymes: General | Enzymes: Carbohydrate | Enzymes: Protein | Enzymes: Arylamidases | Enzymes: Esters/fats |
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Fuel | Usable Metabolites | Metabolites Released | Special Products | Compounds Produced |
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Penicillins & Penems (μg/mL) | Cephalosporins (μg/mL) | Aminoglycosides (μg/mL) | Macrolides (μg/mL) | Quinolones (μg/mL) |
amoxicillin: Sens
Augmentin: S(MIC50): 0.03, MIC90: 0.25, RNG: (≤0.015-0.25)
ampicillin: S(MIC50): 0.125, MIC90: 0.25, RNG: (0.03-1)
amp-sulb: S(MIC50): 0.25, MIC90: 0.5, RNG: (0.06–0.5)
azlocillin: Sens
aztreonam: Res
bacampicillin: Sens
benzyl-pen: Sens
cloxacillin: Sens
dicloxacillin: Sens
oxacillin: Sens
penicillin: S(MIC50): 0.5, MIC90: 2, RNG: (0.06–2)
penicillin_G: S(MIC50): ≤0.03, MIC90: 0.125, RNG: (≤0.03-0.5)
piperacillin: Sens
piper-taz: S(MIC50): 0.06, MIC90: 0.5, RNG: (0.03-16)
ticarcillin: Sens
tica-clav: Var(MIC50): 1, MIC90: 32, RNG: (0.06–32)
imipenem: S(MIC50): 0.03, MIC90: 0.06, RNG: (0.03-0.25)
meropenem: S(MIC50): 0.06, MIC90: 0.25, RNG: (0.03–0.25)
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cefaclor: Sens
cefadroxil: Res
cefalexin: Var(MIC50): 2, MIC90: 8, RNG: (0.25-8)
cefazolin: Sens
cefdinir: Sens
cefepime: Sens
cefixime: Sens
cefmetazole: Sens
cefoperazone: Sens
cefotaxime: Sens
cefotetan: Sens
cefotiam: Sens
cefoxitin: S(MIC50): 4, MIC90: 16, RNG: (0.06–16)
ceftazidime: R(MIC50): 8, MIC90: 32, RNG: (0.25–32)
cefuroxime: Sens
cephalothin: Sens
moxalactam: Sens
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amikacin: Sens
dihydrostrept: Res
gentamicin: Res
kanamycin: Res
neomycin: Res
sisomicin: Res
spectinomycin: Res
streptomycin: Res
tobramycin: Sens
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azithromycin: S(MIC50): 0.06, MIC90: 0.125, RNG: (≤0.03-0.25)
erythromycin: S(MIC50): 0.06, MIC90: 0.125, RNG: (≤0.03-0.25)
fidaxomicin: Var(MIC50): 2, MIC90: >32, RNG: (0.125–>32)
clarithromycin: Var(MIC50): 0.5, MIC90: >32, RNG: (0.06–>32)
quin-dalf: Var(MIC50): 1, MIC90: 8, RNG: (0.06-8)
roxithromycin: Var(MIC50): 8, MIC90: >32, RNG: (0.06–>32)
spiramycin: Sens
telithromycin: Var(MIC50): 0.06, MIC90: >32, RNG: (0.06–>32)
josamycin: Sens
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linezolid: S(MIC50): 1, MIC90: 8, RNG: (0.06–8)
ciprofloxacin: S(MIC50): ≤0.5, MIC90: 2, RNG: (≤0.5-2)
clavulanate: Res
clinafloxacin: Sens
enoxacin: Sens
gatifloxacin: Sens
levofloxacin: S(MIC50): 0.5, MIC90: 2, RNG: (≤0.06-2)
moxifloxacin: S(MIC50): 0.5, MIC90: 1, RNG: (0.06–8)
nalidixic-acid: Res
norfloxacin: Sens
ofloxacin: Sens
pefloxacin: Sens
pipemidic_acid: Res
sarafloxacin: Sens
sparfloxacin: Sens
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Tetracyclines (μg/mL) | Vancomycin Class (μg/mL) | Polypep/ketides (μg/mL) | Heterocycles (μg/mL) | Other (μg/mL) |
doxycycline: Sens
chlortetracycline: Sens
meclocycline: Sens
methacycline: Sens
minocycline: Sens
oxytetracycline: Sens
tetracycline: S(MIC50): 0.25, MIC90: 2, RNG: (0.06-8)
tigecycline: S(MIC50): 0.125, MIC90: 0.5, RNG: (0.125–0.5)
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teicoplanin: S(MIC50): 0.125, MIC90: 0.125, RNG: (0.06–0.25)
vancomycin: S(MIC50): 0.5, MIC90: 2, RNG: (0.25-2)
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bacitracin: Var(MIC50): 4, MIC90: >128, RNG: (0.25–>128)
rifabutin: Sens
rifampicin: Sens
rifapentine: Sens
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chloramphenicol: S(MIC50): 2, MIC90: 8, RNG: (0.25–8)
isoniazid: Res
metronidazole: S(MIC50): 0.125, MIC90: 1, RNG: (≤0.03-2)
nitrofurantoin: Sens
sulfadiazine: Res
sulfadimethoxine: Res
sulfamethoxazole: Res
sulfanilamide: Res
trimethoprim: Res
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clindamycin: S(MIC50): 0.25, MIC90: 0.25, RNG: (≤0.03-0.25)
lincomycin: Sens
daptomycin: Var(MIC50): 0.25, MIC90: 4, RNG: (0.03-16)
colistin: Res
fusidic-acid: Sens
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