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  • Evolution At Warp Speed

    Evolution At Warp Speed

    Image of the Week

    Understanding the mechanisms of antibiotic resistance by bacteria is essential in the war against scary superbugs.

  • Bacterial ID Virtual Lab App

    Bacterial ID Virtual Lab App

    Apps and eBooks

    Learn about the science and techniques used to identify different types of bacteria based on their DNA sequences

  • The LUX operon controls light production

    The LUX operon controls light production

    Animation

    (2 min 25 sec) A single transcription factor controls this operon, which contains five genes necessary to produce bioluminescence.

  • The molecular cascade in bacterial quorum sensing

    The molecular cascade in bacterial quorum sensing

    Animation

    (3 min 20 sec) Quorum sensing regulates gene expression by a protein phosphorylation cascade that controls transcription.

  • Genetic engineering

    Genetic engineering

    Animation

    (1 min 13 sec) A new gene can be inserted into a loop of bacterial DNA called a plasmid. This is done by cutting the plasmid DNA with a restriction enzyme, which allows a new piece of DNA to be inserted. The ends of the new piece of DNA are stitched together by an enzyme called DNA ligase. The genetically engineered bacteria will now manufacture any protein coded by genes on the newly inserted DNA.

  • Bacterial Identification Virtual Lab

    Bacterial Identification Virtual Lab

    Virtual Lab

    This virtual lab will familiarize you with the science and techniques used to identify different types of bacteria based on their DNA sequences.

  • The Microbes Strike Back

    The Microbes Strike Back

    Lecture

    (58 min 35 sec) Dr. Brett Finlay explains why bacterial diseases continue to be a major health problem worldwide, causing a third of the world's deaths every year.