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Studying the evolution of life's building blocks

Date:
February 20, 2012
Source:
Michigan State University
Summary:
Studying the origin of life at its building blocks offers a unique perspective on evolution, says a researcher.

Robert Root-Bernstein, physiology professor.
Credit: Photo by G.L. Kohuth

Studying the origin of life at its building blocks offers a unique perspective on evolution, says a researcher at Michigan State University.

Robert Root-Bernstein, MSU physiology professor, will answer the question of why a physiologist studies the origin of life at the annual meeting of the American Association for the Advancement of Science Feb. 16-20 in Vancouver, British Columbia.

Paleontologists study ancient life and reason that each species is a modification of the previous generation. Geneticists embrace this theory and trace the lineage of genes. Root-Bernstein wondered if there could be another level of paleontology embedded in the molecules that reflect evolution from the earliest stages of life and found in prebiotic chemistry, the study of chemical reactions that may have sparked the beginnings of life.

"By studying modules built from very simple chemicals, I'm hoping that it will lead to an understanding of a molecular paleontology in modern systems," he said. "Whether it's a human or a bacterium, we're all made from the same basic modules that have more than likely been around since the beginning of time."

For example, one aspect of Root-Bernstein's research is studying the small glucose binding sequences that occur in all protein and peptides like insulin. Focusing on these basic building blocks could provide new insights into diseases such as diabetes.

Having the characteristic of taking a nontraditional view has helped further Root-Bernstein's research.

"Albert Szent-Gyorgyi, the physiologist who discovered vitamin C, once defined discovery as seeing what everyone else sees and thinking what no one else thinks," he said. "I often find that phenomena that are obvious to other people are not obvious to me."

Root-Bernstein's ability to seek the common chemical building blocks between bacteria and humans formally known as molecular complementarity, is a distinctive view. This shared set of modules could be the basis for the evolution of the chemicals systems on which life is based, he added. It could, in fact, be the essential agent controlling evolution at every level.

"I study molecular complementarity mainly because I'm a pattern seeker, even when I was an undergraduate," Root-Bernstein said. "I hope to help answer how life evolved to take advantage of molecular complementarity so that the two concepts are virtually synonymous."


Story Source:

The above story is based on materials provided by Michigan State University. Note: Materials may be edited for content and length.


Cite This Page:

Michigan State University. "Studying the evolution of life's building blocks." ScienceDaily. ScienceDaily, 20 February 2012. <www.sciencedaily.com/releases/2012/02/120220090844.htm>.
Michigan State University. (2012, February 20). Studying the evolution of life's building blocks. ScienceDaily. Retrieved September 20, 2014 from www.sciencedaily.com/releases/2012/02/120220090844.htm
Michigan State University. "Studying the evolution of life's building blocks." ScienceDaily. www.sciencedaily.com/releases/2012/02/120220090844.htm (accessed September 20, 2014).

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