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It pays to channel funds toward basic research
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Government-funded scientific research runs the gamut from studies of basic physical and biological processes to the development of applications to meet immediate needs. Given limited resources, grant-making authorities are tempted to channel a higher proportion of funds toward the latter.
And, faced with today’s tight budget constraints, the inclination to favor projects that have demonstrable short-term returns is arguably stronger now than in the past. But to succumb to it is a mistake.
Some of science’s most useful breakthroughs have come as a result of sustained investment in basic research or as by-products of unrelated efforts.
Indeed, evaluating the impact of any research project is difficult. As Marc Kirschner, a professor at Harvard Medical School, pointed out in a thoughtful editorial in the journal Science: “One may be able to recognize good science as it happens, but significant science can only be viewed in the rear-view mirror.”
Even preeminent researchers may underestimate the significance of their findings at the time they obtain them.
When Salvador Luria, my university microbiology professor, received the 1969 Nobel Prize in Physiology or Medicine, he made the point eloquently, sending a humorous cartoon to all who had congratulated him on the award. It depicted an elderly couple at the breakfast table. The husband, reading the morning newspaper, exclaims, “Great Scott! I’ve been awarded the Nobel Prize for something I seem to have said, or done, or thought, in 1934!”
In a 2011 editorial, the French biologist Francois Jacob described the research that led to his 1965 Nobel Prize in Physiology or Medicine. His lab had been working on the mechanism that under certain circumstances causes the bacterium E. coli suddenly to produce bacterial viruses. At the same time, another research group was analyzing, also in E. coli, how the synthesis of a certain enzyme is induced in the presence of a specific sugar.
As Jacob put it, “The two systems appeared mechanistically miles apart. But their juxtaposition would produce a critical breakthrough for our understanding of life.” Thus was born the concept of an “operon,” a cluster of genes whose expression is regulated by an adjacent regulatory gene.
In his editorial, Kirschner bemoaned the “tendency to equate significance to any form of medical relevance,” noting that it caused research into non-mammalian systems to be treated “as intrinsically less valuable than studies on human cells.” As a result, simple but informative model systems can be overlooked, and an important link between basic science and human medicine can be lost.
The past century of research on various non-mammalian model systems makes this point persuasively. For example, studies of Caenorhabditis elegans, a tiny roundworm, have provided a wealth of information on cellular differentiation, neural networks, meiosis, and programmed cell death. Studies of the fruit fly, Drosophila melanogaster, have significantly advanced our understanding of the mechanisms underlying Mendelian genetics.
The amount of money funneled by governments into research is large. In the United States, the National Institutes of Health spends roughly US$30 billion a year, and the National Science Foundation adds another US$7 billion. As officials decide how that money is to be spent, they would be wise to glance in the rear-view mirror and fund the basic research that keeps science moving forward.
Henry I. Miller is the Robert Wesson Fellow in Scientific Philosophy and Public Policy at Stanford University’s Hoover Institution. A physician and molecular biologist, he was the founding director of the Office of Biotechnology at the US Food and Drug Administration. Copyright: Project Syndicate, 2015.www.project-syndicate.org. Shanghai Daily condensed the article.
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