In this episode of Absolute Gene-ius, the hosts dive into the evolving world of precision oncology, where detecting rare molecular signals can make all the difference.

Dr. Kathie Sollweck brings deep expertise from her work in medical affairs and oncology to explain how modern molecular tools are reshaping cancer research. She breaks down liquid biopsy approaches, including cell-free DNA and circulating tumor cells, and explains why sensitivity and pre-analytics are critical when working with low-abundance targets. Kathie also clarifies how sequencing acts as a wide-angle discovery tool, while digital PCR serves as a laser-focused method for ultra-sensitive monitoring of known mutations, therapy resistance, and minimal residual disease (MRD). Together, these technologies enable more personalized, precise, and less invasive cancer monitoring strategies.

The episode wraps with a fun and refreshingly honest Career Corner, where Kathie shares her non-linear journey from an aspiring actress to botanist to oncology expert. Her advice? Don’t fear sales roles, stay open to unexpected opportunities, and let curiosity guide your career because you never know where it might take you.

Visit the Absolute Gene-ius page to learn more about the guests, the hosts, and the science we explore. Discover the Applied Biosystems QuantStudio Digital and Real-Time PCR Systems powering real-world research across neuroscience, oncology, agriculture, and more.

PCR inhibitors are everywhere and they can definitely mess with your data. From muddy lake water to complex viral vector preparations, inhibition is a reality that can’t be ignored.

In this inaugural Absolute Gene-ius: Science Snapshot, hosts Jordan Ruggieri and Lisa Crawford revisit standout moments from past seasons to explore how scientists across disciplines deal with PCR inhibition. Through clips from experts working in wastewater surveillance, environmental microbiology, and gene therapy manufacturing, the episode highlights why inhibitors distort qPCR results and how sample preparation alone doesn’t always solve the problem. Guests including Ray Ketchum, Sarah Philo, Patrick Hanington, Dave Bauer, Kimberly Gomez, and Min Jin Kim explain both the biological sources of inhibition and the technical reasons digital PCR is more resilient. Together, these perspectives paint a clear picture of why dPCR is becoming the method of choice when overcoming inhibitors is required.

Visit the Absolute Gene-ius page to learn more about the guests, the hosts, and the science we explore. Discover the Applied Biosystems QuantStudio Digital and Real-Time PCR Systems powering real-world research across neuroscience, oncology, agriculture, and more.

What do vineyards, airborne spores, and digital PCR have in common? Turns out – quite a lot. This episode kicks off Season 4 by going green with plant pathology and molecular diagnostics.

Lexi Heger, a PhD candidate in plant pathology and molecular plant sciences at Michigan State University, joins the show to discuss her work on grapevine diseases, particularly downy mildew caused by Plasmopara viticola. Lexi explains how she developed qPCR assays to differentiate cryptic pathogen clades, redesigned multiplex assays to track multiple grape pathogens simultaneously, and explored how digital PCR can add value when sensitivity really matters, like when detecting rare alleles linked to fungicide resistance. The conversation dives into real-world challenges like sampling air, plant, and soil environments, managing PCR inhibitors, and translating academic research into actionable tools for growers. Together, Jordan, Lisa, and Lexi highlight why qPCR and dPCR aren’t competing technologies, but complementary tools that support smarter disease management in agriculture.

In Career Corner, Lexi reflects on her lifelong love of plants, the joy of gardening, and the mentors who helped cultivate her scientific curiosity. From killing plants “to save them,” to embracing plant puns and favorite pathogens, this segment is a reminder that great science often grows from genuine passion, and a little dirt under your fingernails.

Visit the Absolute Gene-ius page to learn more about the guests, the hosts, and the science we explore. Discover the Applied Biosystems QuantStudio Digital and Real-Time PCR Systems powering real-world research across neuroscience, oncology, agriculture, and more.