Beyond Biology

Mary Ellen Wiltrout
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  • Life Sciences

This MIT Learn podcast connects high-level research and the human heart with Mary Ellen Wiltrout as the host. The show features world-class experts with a unique dual perspective: a deep scientific understanding of a disease and a personal connection to the health topic. Listeners will gain a foundational understanding of the science underlying research of complex health subjects, from cancer to infection to personalized medicine while learning about the people behind scientific research. The Beyond Biology podcast offers inspirational lessons of perseverance, empathy, and the power of a growth mindset. By exploring the individual story and their expertise, the podcast demonstrates how health and individual career journeys transform the way we approach scientific discovery. At MIT, Mary Ellen Wiltrout, PhD is a Senior Lecturer and Director of Online and Blended Learning Initiatives in Biology and Academic Director, DELTA Science in Open Learning.

Episodes

  1. Inside the Cell: Why Pathogens are the World’s Best Cell Biologists with Becky Lamason

    1d ago

    Inside the Cell: Why Pathogens are the World’s Best Cell Biologists with Becky Lamason

    Description:Understanding how bacteria evade our immune systems and cause disease is vital for developing better treatments and diagnostics. In this MIT Learn Beyond Biology episode, MIT professor Becky Lamason shares her insights on bacterial pathogens, their interaction with human cells, and the future of infectious disease research. This discussion reveals not only the complexity of microbes but also how innovative science can uncover new paradigms in host-pathogen interactions. Stay to the end to learn more about Becky’s personal path to the lab. Resources:MIT Learn online cell biology coursesVideo of this episodeMIT Department of Biology Profile of Becky Lamason Key topics:How bacterial pathogens break the rules of survival and adaptationExamples of bacterial infections and the dangers they pose—Listeria, Rickettsia, Salmonella, VibrioThe unique strategies bacteria use to invade and persist inside human cellsThe difference between bacterial, viral, fungal, and parasitic pathogensAntibiotic resistance: development, implications, and the importance of proper useHow bacterial size and shape compare to human cellsMechanisms of bacterial entry into cells via force or protein tricksThe obligate dependence of certain bacteria like Rickettsia on living inside host cellsThe tick transmission cycle and how bacteria jump from vectors into humansCell-to-cell spread of bacteria and the importance of intracellular movementThe role of modern tools—genetics, microscopy, genome editing—in understanding pathogen biologyFuture directions: expanding research to environmental vectors, developing broad-spectrum diagnostics, and leveraging new technologies Timestamps:00:00 - The unpredictability of pathogens and their survival strategies 00:24 - Introduction to Becky Lamason and the importance of bacterial pathogens 01:08 - Common bacterial pathogens and infections in daily life 01:33 - Food recalls and bacterial contamination in the environment 02:13 - Focus on Listeria monocytogenes and clinical implications 02:41 - Other bacteria like Rickettsia and their deadly potential 03:15 - Symptoms of spotted fevers caused by Rickettsia 03:20 - The range of bacterial disease symptoms and severity 04:01 - Categorizing pathogens: bacteria, viruses, fungi, and parasites 04:28 - Bacteria’s size relative to other microbes and complexity 05:04 - The diversity within bacterial pathogens and their unique features 05:20 - Treatment options for bacterial infections and antibiotic sensitivity 05:48 - Antibiotic resistance: evolution, biology, and clinical impact 06:26 - Practical advice: importance of completing antibiotic courses 08:02 - The analogy of pathogens as cell biologists and their survival tactics 08:41 - Bacteria’s ability to break rules of host cell biology 11:25 - Comparing bacterial size to human cells; visualization of scale 12:19 - How bacteria enter human cells through force or mimicry 12:33 - The dependency of certain bacteria on living inside host cells 15:28 - Transmission cycles involving ticks and environmental reservoirs 17:28 - Mechanisms of bacterial cell spreading and invasion strategies 19:00 - The concept of acute infection phases and bacterial proliferation 20:14 - The ultimate goal of bacteria: replication and dissemination 21:28 - Safety measures in the lab working with pathogenic bacteria 23:33 - Connecting basic research to clinical applications and diagnostics 25:09 - The power of microscopy and visual data in understanding infection 27:38 - Memorable discoveries and unexpected breakthroughs in the lab 29:28 - Future tech: genome editing, large-scale genetic analysis, and new directions 31:33 - The significance of bacteria targeting host cell organelles like ER and nuclei 33:01 - Becky’s journey, switching questions and embracing multidisciplinary work 35:41 - Building community and embracing the unknown in scientific research 37:25 - From high school curiosity to MIT professor: Becky’s personal story 39:56 - Balancing real-world jobs and academic pursuits 42:12 - The future of bacterial research: new tools and broader applications 44:02 - Final thoughts and encouragement to explore and collaborate

    45 min
  2. Unlocking Brain Plasticity: Treating Blindness in India with Pawan Sinha

    May 4

    Unlocking Brain Plasticity: Treating Blindness in India with Pawan Sinha

    In this episode, MIT Professor Pawan Sinha delves into the science of vision, brain plasticity, and the transformative power of scientific innovation in addressing global health challenges. Discover how research on early visual deprivation has shaped our understanding of neural development, and explore the inspirational journey of his nonprofit, Project Prakash, transforming lives in India. In this episode: The historical context of the 1981 Nobel Prize on critical periods in vision developmentThe mechanisms of visual processing in the brain, as discovered by Hubel and WieselThe role and surprising findings from the monocular deprivation studies in kittensHow William James' description of a newborn's sensory experience relates to visual developmentThe personal story of Darius, Professor Sinha's son, and its impact on his researchThe global challenge of childhood blindness, especially in India, and the potential for treatmentThe surgical process and scientific opportunities provided by early intervention in cataract casesThe experimental insights into how dynamic perception plays a crucial role in visual developmentThe founding, achievements, and ongoing work of Project Prakash over the past 21 yearsThe educational impact of immersive global experiences for MIT students in IndiaA discussion on autism, sensory sensitivities, and the link with visual processing differencesThe importance of challenging received wisdom and embracing scientific curiosity for advancing knowledge MIT Learn: MIT’s hub for a growing collection of lifelong learning experiences Project Prakash: To learn about Pawan Sinha's ongoing work in India

    46 min
  • 2 Episodes

About

This MIT Learn podcast connects high-level research and the human heart with Mary Ellen Wiltrout as the host. The show features world-class experts with a unique dual perspective: a deep scientific understanding of a disease and a personal connection to the health topic. Listeners will gain a foundational understanding of the science underlying research of complex health subjects, from cancer to infection to personalized medicine while learning about the people behind scientific research. The Beyond Biology podcast offers inspirational lessons of perseverance, empathy, and the power of a growth mindset. By exploring the individual story and their expertise, the podcast demonstrates how health and individual career journeys transform the way we approach scientific discovery. At MIT, Mary Ellen Wiltrout, PhD is a Senior Lecturer and Director of Online and Blended Learning Initiatives in Biology and Academic Director, DELTA Science in Open Learning.

Information

  • Creator
    Mary Ellen Wiltrout
  • Years Active
    2K
  • Episodes
    2
  • Rating
    Clean
  • Copyright
    © Copyright MIT
  • Show Website
    Beyond Biology