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Class | Active | Resistant |
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Formerly known as Bacteroides distasonis. This is a common inhabitant of the human gut.
Fuel sources used:
It can use fibre, resistant starch, simple sugars (including lactose), protein and mucus for energy.
Metabolites produced:
Our genomic analysis indicates that most members of this species can produce the following metabolites: acetate, BCAAs, GABA, lactate, LPS, propionate, succinate, cobalamin, folate, biotin, riboflavin.
Metabolites consumed:
In addition, our genomic analysis indicates that most members of this species do not consume any reported metabolites.
Disease associations:
High levels of this species have been observed in individuals with colon cancer and in pregnant women with gestational diabetes. Low levels of this species have been observed in individuals with chronic fatigue syndrome.
Major end-products of Parabacteriodes are acetic and succinic acids. Aesculin is hydrolysed. Indole is not produced. Glucose-6-phosphate dehydrogenase (G6PDH), 6-phosphogluconate dehydrogenase (6PGDH), malate dehydrogenase and glutamate dehydrogenase are present. [PMID: 16825636]
Parabacteroides distasonis (also known as Bacteroides distasonis) is a member of the normal distal human gut microbiota. The distal gut microbiota contain more bacterial cells than all of our body's other microbial communities combined. More than 90% of phylogenetic types belong to two divisions, the Bacteroidetes and the Firmicutes, with the remaining types distributed among eight other divisions. P. distasonis has the smallest genome among the sequenced human gut-associated Bacteroidetes, the smallest repertoire of genes involved in environmental sensing and gene regulation and the smallest number of genes associated with carbon source degradation. It lacks many accessory hemicellulases, pectinases and polysaccharidases that target non-plant carbohydrates. [UP000000566]
Eggerth, A. H., & Gagnon, B. H. (1933). The Bacteroides of human feces. Journal of Bacteriology, 25(4), 389–413.
Lineage | Physiology | General | Growth Tolerances | Hydrol./digest./degr. |
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Health: Unknown
Source: human faeces and clinical sources (blood - CCUG)
DNA G+C(%): 44
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Bile reaction(%): 20(+)
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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: Var(MIC50): 2, MIC90: >128, RNG: (2->128)
Augmentin: Var(MIC50): 2, MIC90: 16, RNG: (0.125-32)
ampicillin: R(MIC50): 4, MIC90: >64, RNG: (2–>64)
amp-sulb: S(MIC50): 8, MIC90: 16, RNG: (0.5–32)
azlocillin: Sens
aztreonam: Res
bacampicillin: Res
benzyl-pen: Sens
cloxacillin: Res
dicloxacillin: Res
oxacillin: Res
penicillin: R(MIC50): >8, MIC90: >128, RNG: (2->128)
penicillin_G: R(MIC50): 16, MIC90: >64, RNG: (8–>64)
piperacillin: R(MIC50): 256, MIC90: >256, RNG: (4->256)
piper-taz: S(MIC50): 4, MIC90: 32, RNG: (2–32)
ticarcillin: Sens
tica-clav: Var(MIC50): 4, MIC90: 32, RNG: (0.125–>128)
doripenem: S(MIC50): 0.5, MIC90: 1, RNG: (0.25-1)
ertapenem: S(MIC50): 0.5, MIC90: 1, RNG: (0.5-2)
imipenem: S(MIC50): 0.5, MIC90: 0.5, RNG: (0.06-8)
meropenem: S(MIC50): 0.25, MIC90: 0.5, RNG: (0.06-4)
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cefaclor: Var(MIC50): 8, MIC90: 8
cefadroxil: Res
cefamandole: R(64/>64)
cefazolin: Sens
cefdinir: Sens
cefepime: R(MIC50): >128, MIC90: >128, RNG: (16–>128)
cefixime: Var(MIC50): 1, MIC90: 16, RNG: (1-16)
cefmetazole: R(MIC50): 64, MIC90: 128, RNG: (16->128)
cefoperazone: R(MIC50): 32, MIC90: 256, RNG: (16-256)
cefotaxime: Var(MIC50): 2, MIC90: 32, RNG: (2-32)
cefotetan: R(MIC50): 128, MIC90: 256, RNG: (≤0.06-256)
cefotiam: R(MIC50): >128, MIC90: >128, RNG: (32->128)
cefoxitin: S(MIC50): 16, MIC90: 32, RNG: (8–64)
cefpodoxime: Var(MIC50): 0.5, MIC90: >64, RNG: (0.25->64)
cefprozil: Var(MIC50): 8, MIC90: 16, RNG: (8-16)
ceftazidime: R(MIC50): 64, MIC90: >256, RNG: (32->256)
ceftizoxime: R(MIC50): 32, MIC90: 128, RNG: (4-128)
cefuroxime: R(MIC50): 16, MIC90: 64, RNG: (0.5->64)
cephalothin: Sens
moxalactam: R(MIC50): 64, MIC90: >128, RNG: (16->128)
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amikacin: Res
dihydrostrept: Res
gentamicin: Res
kanamycin: Res
neomycin: Res
sisomicin: Res
spectinomycin: Res
streptomycin: Res
tobramycin: Res
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azithromycin: R(MIC50): >32, MIC90: >32, RNG: (32–>32)
erythromycin: R(MIC50): 32, MIC90: >32, RNG: (4–>32)
fidaxomicin: R(MIC50): >512, MIC90: >512, RNG: (>512)
clarithromycin: R(MIC50): 4, MIC90: >32, RNG: (0.5–>32)
quin-dalf: R(MIC50): >8, MIC90: >8, RNG: (8->8)
roxithromycin: R(MIC50): 32, MIC90: >32, RNG: (0.5–>32)
spiramycin: Sens
telithromycin: R(MIC50): 8, MIC90: >32, RNG: (1–>32)
josamycin: Sens
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linezolid: Var(MIC50): 4, MIC90: 4, RNG: (4-)
ciprofloxacin: Var(MIC50): 4, MIC90: 8, RNG: (2->32)
clavulanate: Res
clinafloxacin: S(MIC50): 0.06, MIC90: 0.25, RNG: (0.03-0.25)
enoxacin: Sens
garenoxacin: S(MIC50): 0.25, MIC90: 0.5, RNG: (0.125-8)
gatifloxacin: S(MIC50): 1, MIC90: 1, RNG: (0.25-2)
gemifloxacin: Var(MIC50): 1, MIC90: 16, RNG: (0.5–>16)
levofloxacin: S(MIC50): 2, MIC90: 2, RNG: (1-32)
moxifloxacin: R(MIC50): 8, MIC90: 16, RNG: (0.5–16)
nalidixic-acid: Res
norfloxacin: Res
ofloxacin: S(MIC50): 2, MIC90: 8, RNG: (2-64)
pefloxacin: Res
pipemidic_acid: Res
sarafloxacin: Sens
sparfloxacin: Var(MIC50): 2, MIC90: >16, RNG: (2–>16)
trovafloxacin: S(MIC50): 0.5, MIC90: 1, RNG: (≤0.06-4)
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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: Sens
tigecycline: Var(MIC50): 2, MIC90: 8, RNG: (0.5-16)
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teicoplanin: R(MIC50): 64, MIC90: 128, RNG: (16–128)
vancomycin: R(MIC50): 64, MIC90: 128, RNG: (32–256)
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bacitracin: R(MIC50): >256, MIC90: >256, RNG: (16–>256)
rifabutin: Sens
rifampicin: Sens
rifapentine: Sens
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chloramphenicol: S(MIC50): 4, MIC90: 8, RNG: (1-8)
isoniazid: Res
metronidazole: S(MIC50): 1, MIC90: 2, RNG: (0.5-4)
nitrofurantoin: Sens
ranbezolid: S(MIC50): 0.016, MIC90: 0.016, RNG: (≤0.008-0.06)
sulfadiazine: Res
sulfadimethoxine: Res
sulfamethoxazole: Res
sulfanilamide: Res
trimethoprim: Res
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clindamycin: Var(MIC50): 2, MIC90: 4, RNG: (0.5-16)
lincomycin: Sens
daptomycin: R(MIC50): >32, MIC90: >32, RNG: (>32)
colistin: Res
fusidic-acid: Sens
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