Mary Lou Pardue
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Mary-Lou Pardue is an American
geneticist A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic processes ...
who is an emeritus professor in the Department of Biology at the
Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the ...
, which she originally joined in 1972. Her research focused on the role of
telomere A telomere (; ) is a region of repetitive nucleotide sequences associated with specialized proteins at the ends of linear chromosomes. Although there are different architectures, telomeres, in a broad sense, are a widespread genetic feature mos ...
s in
chromosome A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins are ...
replication, particularly in ''
Drosophila ''Drosophila'' () is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many speci ...
'' (fruit flies).


Early life and education

Pardue received a
bachelor's degree A bachelor's degree (from Middle Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate academic degree awarded by colleges and universities upon completion of a course of study lasting three to six ...
in biology in 1955 from the
College of William and Mary The College of William & Mary (officially The College of William and Mary in Virginia, abbreviated as William & Mary, W&M) is a public research university in Williamsburg, Virginia. Founded in 1693 by letters patent issued by King William III ...
. She received a
master's degree A master's degree (from Latin ) is an academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional practice.
in radiation biology in 1959 from the
University of Tennessee The University of Tennessee (officially The University of Tennessee, Knoxville; or UT Knoxville; UTK; or UT) is a public land-grant research university in Knoxville, Tennessee. Founded in 1794, two years before Tennessee became the 16th state ...
, where she had been eligible for a Ph.D. but convinced the department to give her the master's degree instead, later explaining in an interview that "in the society I was in it was quite all right for a wife to be going to school, but getting a Ph.D. was a little too serious". She subsequently worked for several years as a research technician before returning to graduate school at
Yale University Yale University is a Private university, private research university in New Haven, Connecticut. Established in 1701 as the Collegiate School, it is the List of Colonial Colleges, third-oldest institution of higher education in the United Sta ...
, from which she received a Ph.D. in biology in 1970. She worked under the supervision of Joseph Gall, whose support of women in his research laboratory was considered highly unusual at the time. Pardue then became a
postdoctoral fellow A postdoctoral fellow, postdoctoral researcher, or simply postdoc, is a person professionally conducting research after the completion of their doctoral studies (typically a PhD). The ultimate goal of a postdoctoral research position is to p ...
with
Max Birnstiel Max Luciano Birnstiel (12 July 1933 – 15 November 2014) was a Swiss molecular biologist who held a number of positions in scientific leadership in Europe, including the chair of the Institute of Molecular Biology at the University of Zurich from ...
at the
University of Edinburgh The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in post-nominals) is a public research university based in Edinburgh, Scotland. Granted a royal charter by King James VI in 15 ...
.


Academic career

As Pardue later described the process, her search for a faculty position in the early 1970s coincided with broad interest in United States academic institutions in hiring women, and she was surprised to be heavily recruited. After initially being rejected by MIT, she was subsequently offered an associate professor position there and accepted it in part because other offers were for more junior
assistant professor Assistant Professor is an academic rank just below the rank of an associate professor used in universities or colleges, mainly in the United States and Canada. Overview This position is generally taken after earning a doctoral degree A docto ...
positions, and in part because the department already had other women faculty. She became a
full professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...
in the department in 1980. In 1995, Pardue became the first
Boris Magasanik Boris Magasanik (December 19, 1919December 25, 2013) was a microbiologist and biochemist who was the Jacques Monod Professor Emeritus of Microbiology in the Department of Biology at the Massachusetts Institute of Technology. After moving from Harv ...
Professor of Biology. Pardue was among the women faculty who organized with fellow MIT biologist Nancy Hopkins in the mid-1990s to bring complaints of institutional discrimination against women to then-
dean Dean may refer to: People * Dean (given name) * Dean (surname), a surname of Anglo-Saxon English origin * Dean (South Korean singer), a stage name for singer Kwon Hyuk * Dean Delannoit, a Belgian singer most known by the mononym Dean Titles * ...
Charles Vest Charles "Chuck" Marstiller Vest (September 9, 1941 – December 12, 2013) was an American educator and engineer. He served as President of the Massachusetts Institute of Technology from October 1990 until December 2004. He succeeded Paul Gray a ...
. Pardue became a
fellow A fellow is a concept whose exact meaning depends on context. In learned or professional societies, it refers to a privileged member who is specially elected in recognition of their work and achievements. Within the context of higher education ...
of the American Association for the Advancement of Science in 1978, a member of the
United States National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...
in 1983 and a fellow of the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (abbreviation: AAA&S) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, a ...
in 1985. She served as the president of the Genetics Society of America in 1982–3 and of the
American Society for Cell Biology The American Society for Cell Biology (ASCB) is a professional society that was founded in 1960.in situ hybridization ''In situ'' hybridization (ISH) is a type of hybridization that uses a labeled complementary DNA, RNA or modified nucleic acids strand (i.e., probe) to localize a specific DNA or RNA sequence in a portion or section of tissue (''in situ'') o ...
has been highly influential. Work in her research group at MIT has focused on
telomere A telomere (; ) is a region of repetitive nucleotide sequences associated with specialized proteins at the ends of linear chromosomes. Although there are different architectures, telomeres, in a broad sense, are a widespread genetic feature mos ...
s in the
chromosome A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins are ...
s of the model organism ''
Drosophila ''Drosophila'' () is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many speci ...
'' (fruit flies), with particular interest in the
retrotransposon Retrotransposons (also called Class I transposable elements or transposons via RNA intermediates) are a type of genetic component that copy and paste themselves into different genomic locations (transposon) by converting RNA back into DNA through ...
elements that maintain ''Drosophila'' telomeres, unlike many other organisms in which the enzyme
telomerase Telomerase, also called terminal transferase, is a ribonucleoprotein that adds a species-dependent telomere repeat sequence to the 3' end of telomeres. A telomere is a region of repetitive sequences at each end of the chromosomes of most euka ...
performs much the same function. Her work is believed to be evolutionarily related to telomerase-generated telomeres, which highlights the theory that parasitic transposable elements could have possibly evolved from mechanisms in the cell that exist to maintain chromosomal health. Pardue's 1969 publication entitled ''Molecular hybridization of radioactive DNA to the DNA of cytological preparations,'' focused on the radioactive DNA localization in the nuclei of ovarian cells in ''Xenopus''. Through her work, she was able to conclude that the localization of binding in the oocytes of ''Xenopus'' is specific. Pardue also found that hybridization reactions with radioactive DNA were able to discriminate between different types of DNA.


References


External links

*
A Conversation with Mary-Lou Pardue
from MIT Video {{DEFAULTSORT:Pardue, Mary-Lou University of Tennessee alumni Yale University alumni Massachusetts Institute of Technology School of Science faculty Members of the United States National Academy of Sciences Fellows of the American Academy of Arts and Sciences Living people College of William & Mary alumni Year of birth missing (living people)