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Research in Medical & Engineering Sciences

Determination of The Antimicrobial Sensitivity of Isolated Sea and Mangrove Bacteria in The State of Veracruz, Mexico, Using the Modified E-Test Technique

Submission: February 03, 2020;Published: February 24, 2020

DOI: 10.31031/RMES.2020.08.000694

ISSN: 2576-8816
Volume 8 Issue 4


In that study, a total of 22 sea and mangrove samples from the State of Veracruz were isolated and tested for antimicrobial sensitivity with 9 different antibiotics. The objective was to determine the minimum inhibitory concentration using the modified E-test technique. Phenotypic susceptibility tests revealed that the antibiotics with the highest range of action were Levofloxacin with a total of 77% inhibition of total strains, ciprofloxacin with 81%, sulfametazone with 81% and tetracycline was the most antibiotic antimicrobial activity presented with 90%. This provides information on resistance in non-clinical sample bacteria. 3 bacterial species were identified, being: Staphylococcus aureus, Bacillus thuringiensis, Ochrobactrum anthropi.

Keywords: E-test; Resistance; Sensitivity; Mangrove; Sea; Minimum inhibitory concentration; Phenotypic; Strain; Axenic

Abbreviations: MIC: Minimum Inhibitory Concentration; UFC: Colony Forming Units; mm: Millimeters; %: Percentage; RPM: Revolutions Per Minute

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