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Photo credit: Russell Virgilio

NASA ASTROBIOLOGY INSTITUTE NASA AMES RESEARCH CENTER. LASSEN VOLCANIC NATIONAL PARK ASTROBIOLOGY STUDENT INTERNS Microbiology Lab 29 October 2012. Photo credit: Russell Virgilio. ASTROBIOLOGY. LIFE IN THE UNIVERSE. Goals for today. Module 1: Microscopy - acid - neutral

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Photo credit: Russell Virgilio

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  1. NASA ASTROBIOLOGY INSTITUTE NASA AMES RESEARCH CENTER LASSEN VOLCANIC NATIONAL PARK ASTROBIOLOGY STUDENT INTERNS Microbiology Lab 29 October 2012 Photo credit: Russell Virgilio

  2. ASTROBIOLOGY LIFE IN THE UNIVERSE Goals for today Module 1: Microscopy - acid - neutral - alkaline Module 2: Cultures - acid - neutral - alkaline

  3. ASTROBIOLOGY LIFE IN THE UNIVERSE 1. Microscopy Classification

  4. ASTROBIOLOGY LIFE IN THE UNIVERSE 1. Microscopy DNA Prokaryotes Eukaryotes 3 Domains of Life

  5. ASTROBIOLOGY LIFE IN THE UNIVERSE 1. Microscopy Genus Cyanidia (acid-tolerant red algae) pH 0.2 – 4.0 40 – 56°C

  6. Some microscopy examples from my research White Creek, Yellowstone National Park July 2012 Cyanobacteria Genus Mastigocladus

  7. Some microscopy examples from my research Cyanobacteria Genus Mastigocladus

  8. Some microscopy examples from my research Chocolate Pots hot springs Yellowstone National Park Cyanobacteria Genus Synechococcus

  9. Some microscopy examples from my research Cyanobacteria Genus Synechococcus

  10. Some microscopy examples from my research Cyanobacteria Genus Oscillatoria

  11. Some microscopy examples from my research Cyanobacteria Genus Spirulina Minerals – halite (salt) gypsum

  12. Some microscopy examples from my research Minerals – gypsum

  13. ASTROBIOLOGY LIFE IN THE UNIVERSE 2. Cultures Module 1: Classification Module 2: Metabolism - photosynthesis - chemosynthesis Module 3: Communities

  14. ASTROBIOLOGY LIFE IN THE UNIVERSE 2. Cultures All organisms Chemical energy Light energy Chemotroph Phototroph Chemoorganotroph Chemolithotroph

  15. ASTROBIOLOGY LIFE IN THE UNIVERSE 2. Cultures All organisms Alkaline Group Chemical energy Light energy Chemotroph Phototroph

  16. All organisms Alkaline Group Phototrophs Chemotrophs Chemical energy Light energy Chemotroph Phototroph

  17. All organisms Acid Group Chemical energy Light energy Chemotroph Phototroph

  18. All organisms Chemotrophs Acid Group - phototrophs Acid-tolerant Eukaryotic algae Chemical energy Light energy Chemotroph Phototroph

  19. All organisms - chemotrophs Neutral Group - phototrophs Chemical energy Light energy Chemotroph Phototroph

  20. ASTROBIOLOGY LIFE IN THE UNIVERSE 2. Cultures If you’re a microbe, what do you need to eat to live? All organisms Source of carbon Source of food (electrons) Source of “air” (oxidants) Trace nutrients Chemical energy Light energy Chemotroph Phototroph Chemoorganotroph Chemolithotroph

  21. ASTROBIOLOGY LIFE IN THE UNIVERSE 2. Cultures Mg Ca Mg Fe Ca Fe Fe Mg Mg Ca Ca Fe Mg Fe

  22. ASTROBIOLOGY LIFE IN THE UNIVERSE Goals for today Module 1: Microscopy - acid - neutral - alkaline Module 2: Cultures - acid - neutral - alkaline

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