Associate Professor, Occidental College, Biology/Biochemistry
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Extreme Alliances: Relationships between deep-sea animals and bacteria
Tuesday, April 16, 2019
12 PM
AHF 153 (Torrey Webb Room)
Abstract: Forty years ago, scientists discovered invertebrates at the bottom of the ocean that forever changed how we view life on this planet. Abundant, thriving communities were not expected in the deep-sea, due to the very low levels of organic carbon that arrive at these depths from above. Certain worms, bivalves, and others, however, have forged relationships with bacteria, in order to harness inorganic sources of energy, typically foreign to animals. Symbiosis is the best of both worlds -- Morphological diversity of animals, and the Physiological diversity of bacteria. This seminar will highlight examples of deep-sea animal-bacterial symbioses from a variety of animal groups - some recently discovered, revealing surprising new relationships between animals and bacteria, and some among the oldest known.
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