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Martha Chase

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Martha Cowls Chase
 
Born(1927-11-30)November 30, 1927
Cleveland Heights, Ohio, USA
DiedAugust 8, 2003(2003-08-08) (aged 75)
Lorain, Ohio, USA
NationalityAmerican
CitizenshipUnited States
Alma materCollege of Wooster, University of Southern California
Scientific career
FieldsGenetics

Martha Cowles Chase (November 30, 1927 – August 8, 2003), also known as Martha C. Epstein,Cite error: The opening <ref> tag is malformed or has a bad name (see the help page). was an American geneticist known for having in 1952, with Alfred Hershey, experimentally helped to confirm that DNA rather than protein is the genetic material of life. She was greatly respected as a geneticist.

Early life and college education

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Chase was born in 1927 in Cleveland, Ohio. In 1950 she received her bachelor's degree from the College of Wooster and in 1964 her PhD from the University of Southern California.Cite error: The opening <ref> tag is malformed or has a bad name (see the help page).

Research and later life

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In 1952 Chase was a young laboratory assistant to American bacteriophage expert Alfred Hershey at Cold Spring Harbor Laboratory from the Carnegie Institution of Washington. This was where the well-known Hershey–Chase experiment was performed. The experiment helped to confirm that it was DNA, and not protein, that was the genetic material through which traits were inherited. They proved this by testing that the DNA, not the protein, of the bacteriophage T2 (a virus that infects bacteria) entered E coli upon infection. [1] This result was contrary to prevailing scientific opinion at the time.

In 1953 Chase moved to a post at the Oak Ridge National Laboratory in Tennessee, and she later also worked at the University of Rochester. During the 1950s she returned to Cold Spring Harbor to take part in meetings of the Phage Group of biologists.Cite error: The opening <ref> tag is malformed or has a bad name (see the help page).

She met and married fellow scientist Richard Epstein in California in the late 1950s, and changed her name to Martha C. Epstein. The marriage was brief and they divorced shortly after with no children.Cite error: The opening <ref> tag is malformed or has a bad name (see the help page). A series of personal setbacks through the 1960s ended Chase's career in science.Cite error: The opening <ref> tag is malformed or has a bad name (see the help page). She spent decades suffering from a form of dementia that robbed her of short-term memory. She died of pneumonia on August 8, 2003, at the age of 75.Cite error: The opening <ref> tag is malformed or has a bad name (see the help page).

Key paper

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  • Hershey, A. D. and Martha Chase. "Independent Functions of Viral Protein and Nucleic Acid in Growth of Bacteriophage." J. Gen. Physiol., 36 (1): 39-56. September 20, 1952.

References

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  1. ^ Roth, Brad (2013-08-09). "Intermediate Physics for Medicine and Biology: Martha Chase (1927-2003)". Intermediate Physics for Medicine and Biology. Retrieved 2016-11-29.
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  • Dawson, Milly. Martha Chase Dies. The Scientist Magazine, August 20, 2003
  • Gallery Martha Epstein Chase, Cold Spring Harbor Laboratory
  • "Intermediate Physics for Medicine and Biology: Martha Chase (1927-2003)"
  • "Martha Cowles Chase Biography". 
     This article about an American biochemist is a stub. You can help Wikipedia by expanding it.

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