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  • Winogradsky Column: Microbial Ecology in a Bottle

    Winogradsky Column: Microbial Ecology in a Bottle

    Click & Learn

    Explore this virtual Winogradsky column to learn about the diversity of microbes, microbial metabolic strategies, and geochemical gradients found in sediments.

  • Film Guide for How Tube Worms Survive at Hydrothermal Vents

    Film Guide for How Tube Worms Survive at Hydrothermal Vents

    Film Guide

    The following classroom-ready resources complement the film How Tube Worms Survive in Hydrothermal Vents. It tells the story of the symbiotic relationship between the giant tube worm, Riftia pachyptila, and chemosynthetic bacteria.

  • Living Together

    Living Together

    Phenomenal Image

    Students explore photos of bobtail squid as an anchoring phenomenon to explore symbiosis and species interactions.

  • Maternal Microbiota Impacts Offspring Immune System

    Maternal Microbiota Impacts Offspring Immune System

    Data Point

    In this study, scientists compared two populations of pregnant mice, one which was kept germ-free throughout pregnancy and the other which was exposed during pregnancy to a strain of E. coli to determine whether the immune systems of offspring begin to develop in utero.

  • How Giant Tube Worms Survive at Hydrothermal Vents

    How Giant Tube Worms Survive at Hydrothermal Vents

    Feature Film

    (10 min 20 sec) Deep at the bottom of the Pacific Ocean, an amazing bacterial discovery reshaped our view of life on earth.

  • Termites Digest Wood Thanks To Microbes

    Termites Digest Wood Thanks To Microbes

    Feature Film

    (7 min 11 sec) The next time you spot a termite chomping down on wood, know that they’re not dining alone.

  • Origins of Antibiotic Resistance

    Origins of Antibiotic Resistance

    Data Point

    Scientists collected bacteria from locations that had never been exposed to humans or modern antibiotics to determine if antibiotic resistance is newly evolved since the introduction of antibiotics or has evolved independently.

  • What van Leeuwenhoek Saw

    What van Leeuwenhoek Saw

    Activity

    This hands-on activity helps students understand concepts related to building scale models by using cards of microorganisms and cells that were first visualized by Antonie van Leeuwenhoek.

  • Microbial Community Response to an Oil Spill

    Microbial Community Response to an Oil Spill

    Data Point

    Researchers monitored the succession of the microbial community in the Gulf of Mexico using data from before, during, and after the Deepwater Horizon oil spill.

  • Using Wolbachia to Suppress Mosquito Fertility

    Using Wolbachia to Suppress Mosquito Fertility

    Data Point

    In this study, researchers tested whether releasing Wolbachia-infected male Aedes albopictus (Asian tiger mosquitoes) would suppress populations of this mosquito species in their study area.

  • 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.

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