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DNA Papers #11: Hershey, Chase, and DNA as the material of heredity
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Content provided by Perspectives on Sci Tech Med and Consortium for History of Science. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Perspectives on Sci Tech Med and Consortium for History of Science or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
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.
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111 episodes
MP3•Episode home
Manage episode 386143483 series 2770798
Content provided by Perspectives on Sci Tech Med and Consortium for History of Science. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Perspectives on Sci Tech Med and Consortium for History of Science or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
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.
…
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