facultative anaerobe


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facultative anaerobe

[′fak·əl‚tād·iv ′an·ə‚rōb]
(microbiology)
A microorganism that grows equally well under aerobic and anaerobic conditions.
References in periodicals archive ?
While many bacterial pathogens commonly associated with PTTO are facultative anaerobes, including Pseudomonas aeruginosa, Staphylococcus aureus, and Haemophilus influenzae [4], recent studies suggest the presence of anaerobic pathogens such as Fusobacterium, Porphyromonas, and Peptostreptococcus as well [5-7].
The average counts of mesophilic aerobes and facultative anaerobes reported during the filling of the beverages was 1.1 and 1.8 x [10.sup.2]CFU x [cm.sup.2] [week.sup.-1], respectively.
An in vitro study reported 10 % metronidazole gel was found to be effective against all obligate anaerobes tested and not at all effective against all facultative anaerobes including E.
They are facultative anaerobes, organism multiples in bovine urine, it becomes strongly alkaline.
She added that strict aerobic organisms like Filamentous fungi and acetic acid bacteria cannot compete in low-oxygen conditions, but anaerobic and facultative anaerobes like Saccharomyces and ML bacteria do grow.
For abdominal incisions, e.g., following cesarean delivery or hysterectomy, gram-positive organisms such as staph aureus and strep pyogenes as well as streptococcus agalactiae are important to consider, along with gram-negative facultative anaerobes. We have seen in our institution an increase in the number of post-operative wounds infected with methicillin-resistant staphylococcus aureus (MRSA), and it is important to include coverage against this organism.
Changing the structure of the digestive tract, especially shorten the small intestine is speculated more conducive to facultative anaerobes than to strictly anaerobic bacteria such as Firmicutes.
They are facultative anaerobes and favor moist environments.1 Carbapenems are first line drugs for the treatment of severe infections caused by Enterobacteriaceae expressing extended spectrum beta-lactamases (ESBLs).2 The emergence of strains of Enterobacteriaceae that are resistant to carbapenems in the past years is of great concern.

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