Michael W. Pfaffl is an Austrian molecular biologist and professor of molecular and cellular biology, best known for his contributions to quantitative real‑time polymerase chain reaction (qPCR) methodology. He has held a faculty position at the University of Graz, where he has conducted research on gene expression analysis and the development of statistical methods for nucleic acid quantification.
Academic career
- Pfaffl obtained his doctorate in molecular biology and subsequently pursued post‑doctoral research focusing on nucleic acid amplification techniques.
- He has served as a professor at the University of Graz’s Department of Molecular and Cellular Biology, supervising graduate students and leading research projects in gene expression profiling.
Scientific contributions
- Pfaffl method (2001): Introduced a mathematical model for the relative quantification of gene expression in real‑time PCR that accounts for differing amplification efficiencies of target and reference genes. This model, often referred to as the Pfaffl equation, is widely cited and implemented in qPCR analysis software.
- Publications: Authored numerous peer‑reviewed articles on qPCR, gene expression, and molecular diagnostics. He is also the lead author of the textbook Real‑Time PCR: The Essential Guide, which provides practical guidance on experimental design, data analysis, and interpretation of qPCR results.
- Standards and guidelines: Contributed to discussions on the Minimum Information for Publication of Quantitative Real‑Time PCR Experiments (MIQE) guidelines, which aim to improve the reliability and reproducibility of qPCR data.
Professional affiliations
- Member of the Austrian Society for Molecular Biology.
- Reviewer for scientific journals in the fields of molecular genetics and biotechnology.
Recognition
- Pfaffl’s work on quantitative PCR has been recognized by the scientific community and is frequently cited in methodological studies and applied research across biology, medicine, and agricultural sciences.
Selected bibliography
- Pfaffl, M. W. (2001). A new mathematical model for relative quantification in real‑time RT‑PCR. Nucleic Acids Research, 29(9), e45.
- Pfaffl, M. W., et al. (2008). Real‑Time PCR: The Essential Guide. Wiley‑VCH.
