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'Synthetic biology' could replace oil for chemical industry

Date:
September 14, 2011
Source:
University of California - Davis
Summary:
Vats of blue-green algae could one day replace oil wells in producing raw materials for the chemical industry, a chemist predicts.

Vats of blue-green algae could one day replace oil wells in producing raw materials for the chemical industry, a UC Davis chemist predicts.

Shota Atsumi, an assistant professor of chemistry, is using "synthetic biology" to create cyanobacteria, or blue-green algae, that convert carbon dioxide in the air into complex hydrocarbons, all powered by sunlight.

Cyanobacteria are single-celled organisms that, like green plants, can use sunlight to turn carbon dioxide and water into sugars and other carbohydrates.

The U.S. Department of Energy has set a goal of obtaining a quarter of industrial chemicals from biological processes by 2025. Today, 99 percent of the raw materials used to make paint, plastics, fertilizers, pharmaceuticals and other chemical products come from petroleum or natural gas, according to Atsumi.

While some chemicals, such as biofuels, can be obtained from converted plant material, plants are relatively slow to grow, and using farms to grow fuel takes arable land out of food production.

Instead, Atsumi is engineering cyanobacteria to make chemicals they do not make in nature. By carefully analyzing genes in these and other organisms, his team will assemble artificial synthetic pathways and put them into living cells.

"We can use genes as building blocks to create these new functions," Atsumi said.

The work is supported by a contract from Asahi Kasei, a major Japanese chemical manufacturer.


Story Source:

The above story is based on materials provided by University of California - Davis. Note: Materials may be edited for content and length.


Cite This Page:

University of California - Davis. "'Synthetic biology' could replace oil for chemical industry." ScienceDaily. ScienceDaily, 14 September 2011. <www.sciencedaily.com/releases/2011/09/110914100600.htm>.
University of California - Davis. (2011, September 14). 'Synthetic biology' could replace oil for chemical industry. ScienceDaily. Retrieved July 24, 2014 from www.sciencedaily.com/releases/2011/09/110914100600.htm
University of California - Davis. "'Synthetic biology' could replace oil for chemical industry." ScienceDaily. www.sciencedaily.com/releases/2011/09/110914100600.htm (accessed July 24, 2014).

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