If you read the next paragraph of the article, you'll see that it could have some very practical purposes:
It also could be lucrative. Venter's company, Synthetic Genomics Inc., has already filed controversial patents on synthetic bugs, which could make fuels such as ethanol or hydrogen. And on June 13 it announced a deal with energy giant BPPLC to find and modify naturally occurring microbes that can turn coal or oil below the earth's surface into cleaner fuel. Microorganisms "have the potential to provide all the transportation fuel we need in the U.S.," says Venter. "I joke that I'm going from the gene king to the oil king."