SEP 13, 2017 10:30 AM PDT

The Science of Farm to Table: Sourdough Bread as a Microcosm of the Global Food Crisis

Speaker
  • Professor, Applied Ecology, NC State University
    Biography
      Rob Dunn is an ecologist in the Department of Applied Ecology at North Carolina State University. His research focuses on the ecology and evolution of the daily life of societies, be they those of humans or ants. This includes work on face mites, belly button bacteria, beetles that ride on ants as they move from place to place and house cats. He has published more than a hundred scientific articles (www.robdunnlab.com). Among those articles, he is really fond of some that no one ever reads and would like to rewrite others that get read fairly often. His work often engages the public, either directly in participatory science (www.yourwildlife.org), or through telling stories about the process of science. It is in telling those stories that Rob writes for Natural History, National Geographic, Scientific American, New Scientist and BBC Wildlife magazines. He has coordinated a series of books on the most common species of ants in North America, New York City, California, and Chicago. He has written five books for general audiences, Every Living Thing, The Wild Life of Our Bodies and, most recently, The Man Who Touched His Own Heart, which tells the stories of the, often fumbling, human attempts to understand and mend the human heart over the course of the last eight thousand years, Never Out of Season and, to be released in 2018, Never Home Alone.

    Abstract

    Rob Dunn has recently published Never Out of Season, the story of the homogenization of our global food supply and the risks that homogenization poses. He will build on the stories from this book and discuss his current research on one unusual sort of farm, the microbial farm used to produce sourdough bread.

    Again and again, we have replaced diverse agricultural systems with simple ones. Again and again, this has posed predictable challenges for farmers and in many cases whole civilizations. The global agricultural system is as at risk due to threats from climate change and the spread of pests and pathogens as it has ever been. Dunn will tell the story of this homogenization and the risks it poses (along with several recent cases in which we narrowly avoided losing key sustenances crops globally). He will also consider some of the ways in which the homogenization of food threatens not only the crops themselves but also our health. He will then quickly turn to what at first may seem to be an unusual sort of farm, that comprised of sourdough starters, the communities of microorganisms used to produce sourdough bread. Sourdough bread is made by allow yeast and bacteria to colonize a mix of, typically, flour and water. Historically, all leavened bread in the world was sourdough bread.Then, in the 1900s, the industrial production of one kind of yeast led to the spread and global dominance of that yeast and the few kinds of bread it made, industrial, simple, bread, out of which much of the nutrition, all of the variety and most of the flavor had been removed. All is not lost though, around the world sourdoughs are still being made in the traditional way and recently we have embarked upon an effort to understand the diversity of organisms in these sourdoughs, where they come from (be it the grain, the water, or the bakers' hands), and what they offer to the future of bread. The story of sourdoughs is one with many lessons for the story of agriculture more generally. It also bears directly on our understanding of the relationship between the microbes of our bodies and those of our food.


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    SEP 13, 2017 10:30 AM PDT

    The Science of Farm to Table: Sourdough Bread as a Microcosm of the Global Food Crisis


    Specialty

    Microbiology

    Genomics

    Molecular Biology

    Food Microbiology

    Health

    Research And Development

    Molecular Diagnostics

    Biology

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    Microbial Ecology

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    Plant Metabolomics

    Oncology

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