Barbara Hotham Iglewski (March 23, 1938 – December 10, 2023) was an American microbiologist. She was director of international programs at theUniversity of Rochester Medical Center where she was a professor of microbiology and immunology.
Barbara Hotham Iglewski was born on March 23, 1938, inFreeport, Pennsylvania.[1][2] Her father was a country physician and she would accompany him on house calls during her youth. She attendedAllegheny College, earning a B.S. in biology in 1960. She then studied microbiology atPennsylvania State University, earning her M.S. in 1962 and her Ph.D. in 1964.
Iglewski instructed atOregon Health and Science University School of Medicine before she was hired as a professor by theUniversity of Rochester Medical Center. She was the first woman to chair a department at the University of Rochester School of Medicine and Dentistry,[3] heading the department of microbiology and immunology from 1986 to 2009. From 1995 to 1998 she was the vice provost for research and graduate education, and the first female to hold this position.[4]
Iglewski's research centered on the pathogenesis of thePseudomonas aeruginosa bacterium. She discovered that a type Iquorum sensing system globally regulated virulence in a human pathogen. She discovered exoenzymes and toxins including exo S, a type 3 secretedPseudomonas toxin. She was well known for describing the molecular mechanism of action ofPseudomonas toxin A.[5]
Her work with Peter Greenberg demonstrated thatgram-negative bacteria produceAHL signals that control processes such asbiofilm formation in neighbouring cells of the same species.[6]
From 2007, she studied the regulation of proteases inPseudomonas aeruginosa, with a focus on biofilm development and virulence,[5] with the support of aMERIT Award from the NIH.[7]
Iglewski published more than 150 research papers and book chapters. She held seven patents. She was recognized by theInstitute for Scientific Information as a highly cited researcher.
In 1987, Iglewski was made an Honorary Lifetime Member ofGraduate Women in Science, formerly Sigma Delta Epsilon, for research in microbiology and immunology.[8]
Iglewski became a fellow of the American Academy of Microbiology in 1986. She was president of theAmerican Society for Microbiology (ASM) from 1987 to 1988. She chaired ASM's publications board from 1990 to 1999.
Iglewski received the Arthur Kornberg Research Award in 1999 and the Susan B. Anthony Lifetime Achievement Award in 2001.[9] TheUniversity of Rochester's School of Medicine and Dentistry awarded her its Lifetime Mentoring Award in 2009.[10] Her undergraduate alma mater,Alleghany College awarded her an honorary degree in 2017. She received the George Eastman Medal from the University of Rochester in 2019.[11]
Iglewski was inducted into theNational Women's Hall of Fame in 2015.[12]
Iglewski lived inGorham, New York.[2] She had two sons, Eric (Connie) Iglewski and Bill Iglewski.[11]
Barbara Iglewski died on December 10, 2023, at the age of 85.[4]
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