Northwestern Professor Pioneers New Strategies Against Antimicrobial Resistance

Antimicrobial resistance (AMR) is a growing global health crisis, rendering many existing treatments ineffective. Dr. Heather Pinkett, a professor in the Department of Molecular Biosciences at Northwestern University, is leading research focused on targeting bacterial-specific ATP-binding cassette (ABC) transporters as a promising new approach to combat AMR. Her work aims to develop precise antimicrobial strategies that minimize disruption to the human microbiome.

Dr. Pinkett’s Journey into Molecular Biology

Dr. Pinkett’s path to becoming a molecular biologist began with a foundational love for math and a knack for teaching. Influenced by her mother, a registered nurse, she developed an early interest in science. An undergraduate research experience through the National Science Foundation Research Experiences for Undergraduates program solidified her passion for research. Later, a mentor at the National Institutes of Health steered her focus toward the molecular mechanisms of disease, ultimately leading her to specialize in membrane protein transport and regulation [1].

Unlocking the Secrets of ABC Transporters

Dr. Pinkett’s research centers on ABC transporters in bacterial pathogens. These transporters are essential molecular machines that control the movement of nutrients and other molecules across cell membranes, playing a critical role in bacterial survival and adaptation within the human body [1]. Her current work investigates the mechanisms of nutrient selectivity – how transporters accurately identify and transport specific molecules. Understanding this process could reveal vulnerabilities in pathogens and guide the development of targeted antimicrobial drugs [1]. Her lab also explores how transporters recognize a wide variety of compounds, impacting bacterial viability, host-pathogen interactions, and multidrug resistance [2].

Advancing Research with Cutting-Edge Technology

Dr. Pinkett utilizes advanced techniques like X-ray crystallography and cryo-electron microscopy (cryo-EM) to explore the structure and function of membrane proteins [3]. These technologies allow for detailed examination of even the smallest proteins, providing crucial insights into their mechanisms. She presented her findings at the European Laboratory Research & Innovation Group (ELRIG) 2025 conference, highlighting the importance of these advancements in the fight against AMR [4].

Addressing Barriers for Women in STEMM

Dr. Pinkett acknowledges the systemic barriers faced by women in science, technology, engineering, mathematics, and medicine (STEMM). These include gender stereotypes, bias, pay gaps, and unequal distribution of workload. She emphasizes the importance of institutional policies promoting equity, mentorship, and representation. Seeing successful women in STEMM can inspire and empower the next generation of female scientists [1].

Looking Ahead

Dr. Pinkett finds the freedom to shape her research program and explore new scientific questions most rewarding. She is proud of the contributions her lab has made to the understanding of ABC importers and, most importantly, the growth and success of her trainees. Her ongoing research promises to deliver innovative strategies to combat antimicrobial resistance and protect public health.