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The Way It Was.

¹Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, Connecticut 06032, USA;

Annual Review of Microbiology

|September 11, 2019

Summary

This summary is machine-generated.

Pioneering microbiologist Mary Osborn elucidated the mechanism of methotrexate action and made seminal contributions to understanding bacterial lipopolysaccharide (LPS) biosynthesis and cell envelope assembly.

Keywords:

O-antigen autobiography endotoxin lipopolysaccharide membrane

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Area of Science:

Microbiology
Molecular Biology
Biochemistry

Background:

Mary Osborn's early work revealed the mechanism of action for methotrexate, a crucial drug in cancer chemotherapy, by studying folic acid coenzymes in one-carbon metabolism.
Her foundational research career was established at New York University (NYU) and Albert Einstein College of Medicine, focusing on microbiology and molecular biology.
She was a founding faculty member at the University of Connecticut School of Medicine, where she continued her research until her retirement.

Discussion:

Dr. Osborn's primary research focused on the biosynthesis of lipopolysaccharide (LPS), a critical component of the outer membrane of gram-negative bacteria.
She also made significant contributions to understanding the complex processes involved in bacterial cell envelope assembly.
Her work provided fundamental insights into the structure and function of bacterial outer membranes.

Key Insights:

Elucidated the mechanism of action of methotrexate through studies on folic acid metabolism.
Made seminal contributions to the field of lipopolysaccharide (LPS) biosynthesis in gram-negative bacteria.
Advanced the understanding of bacterial cell envelope assembly and structure.

Outlook:

Her later career included advising NASA on space biology research, influencing the direction of space exploration science.
Dr. Osborn's legacy includes her impactful research and leadership in scientific organizations and advisory roles.