DNA Papers #11: Hershey, Chase, and DNA as the material of heredity
Update: 2023-11-27
Description
In episode 11 of The DNA Papers we revisit a paper describing a famous experiment performed by Alfred Hershey and Martha Chase which combined the atomic-age tools of radioisotopes with an ordinary kitchen blender to show that DNA alone, and not protein, was the carrier of hereditary information:
Hershey, Alfred D., and Martha Chase. “Independent Functions of Viral Protein and Nucleic Acid in Growth of Bacteriophage.” The Journal of General Physiology 36, no. 1 (1952): 39–56.
By using radioisotopes to separately label the DNA and protein components of a bacterial virus and demonstrating DNA’s central role in the earliest stages of viral replication inside a bacterial cell, Hershey and Chase’s 1952 paper provided powerful evidence about the chemical nature of the gene, and gained a well-deserved place among the classics in the history of DNA science. Here to share their ideas and opinions about the history and significance of this paper are:
Angela Creager, Princeton University
Geoffrey Montgomery, Independent Science Writer
William Summers, Yale University
See also a collection of resources on this topic at https://www.chstm.org/video/144.
Recorded on Oct 24, 2023.
Hershey, Alfred D., and Martha Chase. “Independent Functions of Viral Protein and Nucleic Acid in Growth of Bacteriophage.” The Journal of General Physiology 36, no. 1 (1952): 39–56.
By using radioisotopes to separately label the DNA and protein components of a bacterial virus and demonstrating DNA’s central role in the earliest stages of viral replication inside a bacterial cell, Hershey and Chase’s 1952 paper provided powerful evidence about the chemical nature of the gene, and gained a well-deserved place among the classics in the history of DNA science. Here to share their ideas and opinions about the history and significance of this paper are:
Angela Creager, Princeton University
Geoffrey Montgomery, Independent Science Writer
William Summers, Yale University
See also a collection of resources on this topic at https://www.chstm.org/video/144.
Recorded on Oct 24, 2023.
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