Phillip Sharp

Phillip Sharp is an American geneticist and molecular biologist renowned for his co-discovery of RNA splicing, a fundamental biological process. His groundbreaking research, conducted independently alongside Richard J. Roberts, revealed that genes in eukaryotes are often split into segments, a finding that revolutionized the understanding of gene expression. For this work, he was awarded the Nobel Prize in Physiology or Medicine in 1993. Sharp has spent the majority of his career at the Massachusetts Institute of Technology (MIT), where he founded the McGovern Institute for Brain Research and co-founded the renowned biotechnology company Biogen.

Early life and education

Phillip Sharp was born in Falmouth, Kentucky, and developed an early interest in science. He completed his undergraduate studies in chemistry and mathematics at Union College in Barbourville, Kentucky. He then pursued graduate work in chemistry at the University of Illinois Urbana-Champaign, earning his Ph.D. in 1969. His doctoral research focused on the physical chemistry of plasmid DNA, laying the groundwork for his future investigations into molecular genetics. Following his Ph.D., Sharp conducted postdoctoral research at the California Institute of Technology under the mentorship of James D. Watson, a co-discoverer of the DNA double helix, at the renowned Cold Spring Harbor Laboratory.

Career and research

Sharp began his independent research career in 1974 at the MIT Center for Cancer Research, now part of the Koch Institute for Integrative Cancer Research. In 1977, his laboratory, along with the team of Richard J. Roberts at the Cold Spring Harbor Laboratory, made the seminal discovery of split genes and RNA splicing in adenovirus. This work demonstrated that messenger RNA is processed by removing non-coding sequences called introns and joining the coding exons, a process critical for generating functional proteins. His subsequent research at MIT has extensively explored the mechanisms of gene expression, transcription, and the biogenesis and function of microRNAs. He served as Director of the McGovern Institute for Brain Research from 2000 to 2004 and as an Institute Professor at MIT.

Awards and honors

Sharp's contributions have been recognized with numerous prestigious awards. He shared the 1993 Nobel Prize in Physiology or Medicine with Richard J. Roberts for their discovery of split genes. Earlier, in 1988, he received the Albert Lasker Award for Basic Medical Research. In 2004, he was awarded the National Medal of Science by President George W. Bush. He is a member of several elite academies, including the National Academy of Sciences, the American Academy of Arts and Sciences, and the American Philosophical Society. He has also received the Gairdner Foundation International Award and the Louisa Gross Horwitz Prize.

Personal life

Phillip Sharp is married to Ann Holcombe, and they have three daughters. He has maintained strong ties to his home state of Kentucky and his undergraduate alma mater, Union College. Beyond his scientific work, Sharp has been an active leader in science policy and the biotechnology industry, serving on various advisory boards for the National Institutes of Health and other organizations. His commitment to translating basic research into medical applications is evident in his co-founding role at Biogen and his involvement with other life sciences ventures.

Legacy and impact

Phillip Sharp's discovery of RNA splicing fundamentally altered the central dogma of molecular biology and has had profound implications for understanding genetic disease, evolution, and cellular differentiation. His work paved the way for diagnosing and treating conditions like beta thalassemia and opened the field for therapeutic approaches like antisense therapy and mRNA vaccines. As a founder of Biogen, he helped launch the modern biotechnology industry in Cambridge, Massachusetts. His leadership at the McGovern Institute for Brain Research and at MIT has shaped generations of scientists, ensuring his legacy extends through both his direct scientific contributions and his enduring influence on biomedical research and innovation.

Category:American geneticists Category:Nobel laureates in Physiology or Medicine Category:Massachusetts Institute of Technology faculty