Probing Question: Why are some strains of E. coli resistant to antibiotics?

Although they're among the simplest organisms, bacteria are some of the most creative life forms on earth. Just ask molecular biologist Chobi DebRoy, director of Penn State's Gastroenteric Disease Center. "We receive bacterial samples from all over the world -- from veterinary clinics, medical centers, zoos, farms," DebRoy said. Her lab works to identify disease-causing strains of E. coli and to determine whether they are antibiotic-resistant.

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<p><a href="http://www.physorg.com/news82920173.html">Probing Question: Why are some strains of E. coli resistant to antibiotics?</a></p> <p>Although they're among the simplest organisms, bacteria are some of the most creative life forms on earth. Just ask molecular biologist Chobi DebRoy, director of Penn State's Gastroenteric Disease Center. "We receive bacterial samples from all over the world -- from veterinary clinics, medical centers, zoos, farms," DebRoy said. Her lab works to identify disease-causing strains of E. coli and to determine whether they are antibiotic-resistant.</p>