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Illuminating biology: An evolutionary perspective
Date:10/7/2008


Gene Sharing and Evolution: Surprising Lessons from Lens Crystallins

Piatigorsky's lab has developed the concept of "gene sharing" through their studies on lens crystallins, abundant water-soluble proteins of the transparent lens responsible for its optical, refractive properties required for focused vision. Gene sharing refers to the way that a single gene may be involved in multiple functions. Gene sharing allows proteins to serve new functions without relinquishing their original functions. Gene sharing occurs widely and appears to be a fundamental principle of evolution.

1:20-1:50: Dr. Robert Blankenship - Washington University, St. Louis, MO
Evolutionary Relationships Among Phototrophic Bacteria Deduced from Whole Genome Comparisons

The invention and perfection of photosynthesis is without question one of the true milestones in the evolution of life on Earth. The development of the ability of some photosynthetic organisms to oxidize water to form molecular oxygen changed the redox balance of the Earth and provided the energetic basis for more advanced life to develop. This talk will discuss the complex nonlinear evolutionary path that has led to the modern process of photosynthesis.

2:00-2:10: Break

2:10-2:40: Dr. Patricia Wittkopp - University of Michigan
Bringing an Evolutionary Perspective to Developmental Biology

The genetic and molecular mechanisms controlling development are the product of evolution and can influence the way in which traits evolve. This talk will discuss the ways in which an appreciation of natural history and evolutionary processes can enhance our understanding of animal development.

2:50-3:20: Dr. Georg Striedter - University of California, Irvine
Large and Complex Brains Evolved Repeatedly

Large and complex brains evolved not just in primates, but also in other taxonomic groups, including octopuses, manta rays, electric fishes, parrots, crows,
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Contact: Susan Musante
202-628-1500 x249
American Institute of Biological Sciences
Source:Eurekalert

Page: 1 2 3 4

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