Susceptibility plate testing: A tetracycline disc may be used to determine microbial susceptibility to drugs in the tetracycline class
Tetracyclines are a class of antibiotics that may be used to treat infections caused by susceptible microorganisms such as gram positive and gram negative
Common tetracycline side effects may include: nausea, vomiting, diarrhea, upset stomach, loss of appetite; white patches or sores inside your mouth or on your lips; Zones that indicate susceptibility to tetracycline are greater than 19 mm, whereas resistance is indicated with a zone less than 14 mm
A degradation rate of 90
fermentum showed high MICs of 16–64 μg/ml for tetracycline and thus were assigned as resistant to tetracycline according to
First, a pure culture of bacteria is isolated from the patient
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Suggested tetracycline disk diffusion zones are identical to those of doxycycline (Fig
If the Kirby-Bauer method of disc susceptibility testing is used, a 30 mcg tetracycline disc should give a zone of at least 19 mm when tested against an oxytetracycline-susceptible bacterial strain
Looking at this image of a Kirby-Bauer test, if the top antibiotic disc represented the zone seen around a tetracycline disc, this organism would be considered _____ to tetracycline
25 μg/ml (susceptible), 0
2020/05
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Hot Since tetracycline disk results may be used to predict the susceptibilities for doxycycline and minocycline, the investigators also evaluated the correlation between tetracycline disk diffusion inhibition zones and those of doxycycline and minocycline (cross-resistance analysis)