Microbes to Molecules: Discovering Antibiotic-Resistant Bacteria in Various Soil Types Around New EnglandPublic
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Due to excessive usage of antibiotics, bacterial species have developed resistant strains, which pose a large threat to several areas of society, such as global health and food security. Our project aimed to examine antibiotic-resistant bacteria in soil samples collected from environmentally diverse locations in New England. To classify a sample’s resistance level, we measured the growth of bacterial isolates using seven different antibiotics. Soil nutrition was examined for correlation to antibiotic resistance. Out of fifteen samples, we defined 6% as resistant, 40% as slightly resistant, and 53% as not resistant, with no apparent relation to soil nutrition. Future work could include identifying specific compounds in resistant samples to measure molecular similarity.
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