Bis2CFall10.Lecture12

Bis2CFall10.Lecture12 - Lecture 12: BIS 002C BIODIVERSITY...

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Unformatted text preview: Lecture 12: BIS 002C BIODIVERSITY AND THE TREE OF LIFE Lecture 12: Extremophiles as an Example of How to Study Microbes 1 Wednesday, October 13, 2010 Where we are going and where we have been Previous lecture : 11. Endosymbioses Current Lecture: 12. Extremophiles and studying microbes Next Lecture: 13. Human associated microbes 2 Wednesday, October 13, 2010 Midterm Review Sessions 3 Wednesday, October 13, 2010 Outline Lecture 13 Methods for studying microbes 1. Observation in the field 2. Culturing 3. Culture independent analysis Extremophiles (mixed in with methods) Optimal growth conditions Halophiles Thermophiles Uses of extremophiles 4 Wednesday, October 13, 2010 A. Studying microbes 5 A. Studying microbes Wednesday, October 13, 2010 How to study microbes Key questions about microbes in environment: Who are they? (i.e., what kinds of microbes are they) What are they doing ? (i.e., what functions and processes do they possess) We will use extremophiles as an example of how this can be done ... The principles here apply to bacteria, archaea and eukaryotic microbes 6 Wednesday, October 13, 2010 7 Wednesday, October 13, 2010 Figure 26.24 Extreme Halophiles 8 Wednesday, October 13, 2010 Deep Sea Ecosystems 9 Wednesday, October 13, 2010 For any particular environment, there are many different ways one could go about characterizing the microbes there We will discuss three such approaches today 1. Observe directly in the field 2. Grow in the laboratory 3. CSI Microbiology (collect & analyze DNA from field) 10 Wednesday, October 13, 2010 B. Method 1: Observe in the field 11 A. Method 1 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 12 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Field Observations an Important Tool 13 Wednesday, October 13, 2010 Method 1: Observe in the Field...
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Bis2CFall10.Lecture12 - Lecture 12: BIS 002C BIODIVERSITY...

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