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Biography

Every minute, approximately 20 lives are lost globally to antibiotic-resistant pathogens—a staggering figure projected to double within the next 25 years. This underscores an imminent need to unveil innovative bacterial targets and antibiotics. The Heisler laboratory stands committed to tackling myriad foundational inquiries concerning host-pathogen interactions. These include:

  1. Unraveling the functional intricacies of an overlooked protein family from Listeria.
  2. Advancing our comprehension of how pathogens exploit host membrane cholesterol to bolster their pathogenicity.
  3. Delving into the nuances of protein biochemistry and cell biology in the context of host-pathogen dynamics.

To achieve these objectives, the lab harnesses techniques spanning protein biochemistry, microbiology, and molecular cell biology. Their research elucidates how alterations in cell signal transduction pathways can either facilitate or impede bacterial infections, with particular emphasis on membrane constituents. Ultimately, their mission is to identify novel bacterial therapeutic targets for antimicrobial interventions while shedding light on new facets of cellular biology.

Education

  • Ph.D. Biochemistry, Ohio State University
  • Post-doctoral studies, University of Texas Southwestern Medical Center

Expertise

  • Host-pathogen interactions
  • Protein biochemistry
  • Microbiology
  • Lipid biology

 

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  1. Heisler DB*, Johnson KA*, Ma D, Ohlson MB, Zhang L, Mar K, Corley CD, Abrams ME, McDonald JG, Schoggin JW, Alto NM, and Radharkrishnan A. (2023) A Concerted Mechanism Involving ACAT and SREBPs by which Oxysterols Deplete Accessible Cholesterol to Restrict Microbial Infection.eLife. DOI: 10.7554/eLife.83534
  2. Hansen JM*, de Jong MF*, Wu Q, Zhang L, Heisler DB, Alto LT, and Alto NM (2021). Pathogenic Ubiquitination of GSDMB Inhibits NK-cell Bactericidal Functions.Cell. 184 (12) 3178-3191. DOI: 10.1016/j.cell.2021.04.036
  3. Kudryashova E*, Heisler DB*, Williams B, Harker AJ, Shafer K, Quinlan ME, Kovar DR, Vavylonis D, Kudryashov DS. (2018), Actin cross-linking toxin is a universal inhibitor of tandem-organized and oligomeric G-actin binding proteinsCurrent Biology. 28 (10) 1-12. DOI: 10.1016/j.cub.2018.03.065
  4. Heisler DB, Kudryashova E, Grinevich DO, Suarez C, Winkelman JD, Birukov KG, Kotha SR, Parinandi NL, Vavylonis D, Kovar DR, and Kudryashov DS. (2015) ACD toxin-produced actin oligomers poison formin-controlled actin polymerizationScience. 349 (6247):535-539. DOI: 10.1126/science.aab4090
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