live interactive learning @ your desktop tuesday, january 8, 2008 nsdl/nsta web seminar: discover...
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LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
Tuesday, January 8, 2008
NSDL/NSTA Web Seminar:
Discover Microbial Worlds
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http://nsdl.org
Today’s NSDL Experts:
http://www.nsta.org
Dr. Seth BordensteinEvolutionary Geneticist, Marine Biological Laboratory
Sarah BordensteinMarine Biological Laboratory Education and Outreach Coordinator
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http://nsdl.org
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http://nsdl.org
• International center for research, education, & training in biology
• Oldest private marine laboratory (1888)
• 51 Nobel Laureates• Microbial diversity,
evolution, ecology, and genomics
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True or False?
Most microbes cause disease.
True False
http://nsdl.org
Stamp your answer
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Search Term “Symbiosis”
http://nsdl.org
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http://nsdl.org
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http://nsdl.org
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How many bacteria are in one gram of soil?
A. 100
B. 100,000
C. 1,000,000
D. 10,000,000
http://nsdl.org
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When did bacteria evolve?
A. 130,000 years ago
B. 610 million years ago
C. 2 billion years ago
D. 3.8 billion years ago
http://nsdl.org
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EOL VIDEOwww.eol.org
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Evolutionary Innovations Through Animal-Bacteria Endosymbioses
• Eukaryotic cell (fusion of single celled organisms)
• Eukaryotic organelles (chloroplasts, mitochondria)
• Use of many nutrient-limited niches by animal lineages
http://nsdl.org
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SYMBIOSIS QUIZSYMBIOSIS QUIZ
What % of the cells in your body are human?
10% 30%
60% 90%
http://nsdl.org
Stamp your answer
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Insects are excellent model systemsInsects are excellent model systems
Present for 350 MY
Comprise 85% of all animal species
20% harbor bacteria called Wolbachia
Up to 6 million species are infected
YOU ARE OUR BIGGEST ASSET!http://nsdl.org
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Discover the Microbes Within: The Wolbachia Project
Discover the Microbes Within: The Wolbachia Project
Wolbachia symbionts
Nuclei of insect egg
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SYMBIOSIS QUIZSYMBIOSIS QUIZ
Which of the following occur as a result of symbiosis?
A. Parasitism
B. Mutualism
C. Commensalism
D. All of the above
http://nsdl.org
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Wolbachia are Infectious Widowmakers!
ParthenogenesisParthenogenesis
FeminizationFeminization
http://nsdl.org
Male-KillingMale-Killing
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Wolbachia cause Infectious (River) Blindness
Horeauf et al, 2003
11 months post-treatment
Untreated
Onchocerca volvulus
http://nsdl.org
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What is the closest relative to Wolbachia?What is the closest relative to Wolbachia?
E. coli
Mitochondria
Preying Mantis
Giardia
http://nsdl.org
Stamp your answer
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How do YOU discover the Wolbachia within?
http://nsdl.org
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jbpc.mbl.edu/~sbordenstein/workshop.htmljbpc.mbl.edu/~sbordenstein/workshop.html
Q u ic k T ime ™ a n d aT IF F (U n c o mp re s s e d ) d e c o mp re s s o ra re n e e d e d to s e e th is p ic tu re .
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MBLMBL April 11-13, 2008April 11-13, 2008
Your School!Your School!
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Fannie Lou Hamer Freedom HS
Bronx, NY
Grade 9 & 10
When it all comes together, it looks like this!
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“Discover Life”
pick4.pick.uga.edu/mp/20q?guide=Insect_orders
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http://nsdl.org
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PCR is a biotechnology PCR is a biotechnology method that:method that: PCR is a biotechnology PCR is a biotechnology method that:method that:
a) Extracts DNA
b) Amplifies DNA
c) Sequences DNA
d) Expresses RNA from DNA
http://nsdl.org
Poll Question!Poll Question!
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Binghamton High School, NY, Dec. 2007
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MBLHigh School
ATGCGC
http://nsdl.org
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Lab 5: DNA Sequence Analysis
Bioinformatics is like using ‘Google’ for DNA sequences
http://nsdl.org
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http://www.ncbi.nlm.nih.gov
http://nsdl.org
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Copyright © Geospiza, Inc. All rights reserved.
Copyright © Geospiza, Inc. All rights reserved.
Lab 5 - BLAST tutorial: www.geospiza.com/outreach/BLAST/index.html
Copyright © Geospiza, Inc. All rights reserved.
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jbpc.mbl.edu/~sbordenstein/workshop.htmljbpc.mbl.edu/~sbordenstein/workshop.htmljbpc.mbl.edu/~sbordenstein/workshop.htmljbpc.mbl.edu/~sbordenstein/workshop.html
Scientist(MBL)
Educator(YOU!)
Partnership
Thanks to:
MBL Workshop, April 11-13
http://nsdl.org
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THANK YOU!
Dr. Seth [email protected]
http://www.mbl.edu/
http://jbpc.mbl.edu/~sbordenstein/workshop.htmlhttp://jbpc.mbl.edu/~sbordenstein/workshop.html
Sarah [email protected]
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• Download our Seminar Resource List
• Utilize our blog featuring our presenters for the Fall Series sharing their insights on careers in science and science education:
http://expertvoices.nsdl.org/2007fall-nsta-sems/
Go to http://nsdl.org and click on the K-12 audience page to:
http://nsdl.org
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http://www.elluminate.com
Elluminate logo
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http://learningcenter.nsta.org
NLC screenshot
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National Science Teachers AssociationGerry Wheeler, Executive Director
Frank Owens, Associate Executive Director Conferences and Programs
Al Byers, Assistant Executive Director e-Learning
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
NSTA Web SeminarsFlavio Mendez, Director
Danielle Troiano, Project CoordinatorJeff Layman, Technical Coordinator