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Showing 1-14 of 14 Resources
  • Living Together

    Living Together

    Image of the Week

    Flow patterns generated by cilia around the light organ of the Hawaiian bobtail squid (Euprymna scolopes).

  • Animated Life: Seeing the Invisible

    Animated Life: Seeing the Invisible

    Animated Short

    (6 min 31 sec) This animated feature celebrates 17th-century citizen-scientist Antonie van Leeuwenhoek, whose discoveries of microbes changed our view of the biological world. Also available in Spanish.

  • Q&A on Quorum Sensing

    Q&A on Quorum Sensing

    Lecture

    (12 min 59 sec) In this 13-minute Q&A session, Dr. Bonnie Bassler answers questions on quorum sensing and other topics related to bacteria.

  • Eavesdropping on Tiny Conspiracies

    Eavesdropping on Tiny Conspiracies

    Lecture

    (58 min 29 sec) The quorum sensing system is a target for a new class of drugs that interfere with virulence without killing bacteria.

  • Shedding Light on an Invisible World

    Shedding Light on an Invisible World

    Lecture

    (58 min 29 sec) Bacteria are capable of communicating and coordinating their activities with a molecular signaling system called quorum sensing.

  • Exploring Biodiversity: The Search for New Medicines

    Exploring Biodiversity: The Search for New Medicines

    Lecture

    What medical secrets do venomous snails hold? How can listening in on bacterial conversations help develop new antibiotics? In four presentations, Dr. Bonnie L. Bassler and Dr. Baldomero M. Olivera reveal how a deeper understanding of nature and biodiversity informs their research into new medicines.

  • Demonstration: Quorum sensing molecules

    Demonstration: Quorum sensing molecules

    Clip

    (50 sec) Quorum sensing signal molecules have parts that are common between species as well as species-specific parts.

  • Demonstration: Glowing bacteria in a flask

    Demonstration: Glowing bacteria in a flask

    Clip

    (52 sec) Dr. Bassler demonstrates the bioluminescence of a culture of Vibrio harveyi.

  • 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.

  • Outwitting Bacteria's Wily Ways

    Outwitting Bacteria's Wily Ways

    Lecture

    (58 min 54 sec) Dr. Finlay showcases three types of bacteria to illustrate how molecular biology is allowing researchers to probe the molecular workings of bacterial infections.

  • 2000 and Beyond: Confronting the Microbe Menace

    2000 and Beyond: Confronting the Microbe Menace

    Lecture

    (57 min 36 sec) In four presentations, Donald E. Ganem, MD, and B. Brett Finlay, PhD, discuss the latest advances in understanding how pathogens invade the body and how this knowledge is leading to the development of new therapies. They also explain how new infectious diseases are recognized and how epidemics arise.

  • Bacterial Growth

    Bacterial Growth

    Clip

    (54 sec) Dr. Brett Finlay shows how bacteria can grow rapidly to incredible numbers, and also explains what limits this explosive growth.

  • Bacterial Conjugation

    Bacterial Conjugation

    Animation

    (23 sec) Bacteria can transfer genetic material, and thus drug resistance, to other bacteria via conjugation.