Try to distinguish two identical twins by their fingerprints. Complicated, right? It is the same obstacle that scientists encounter when they try to differentiate the tiny dusty grains produced by firs, larches and pines. Identical in appearance, very different in the allergenic effects they produce. A problem that seemed insurmountable, at least until today.
A team of American researchers has developed a game-changing artificial intelligence system that can finally accurately identify species-specific allergens—a distinction that could bring relief to millions of people who suffer from seasonal allergies.
The Microscopic Challenge of Allergens
Looking at conifer pollen grains under a microscope is like looking at a pile of sand and trying to distinguish individual grains. Even with the most sophisticated optical instruments, the differences are tiny, virtually invisible to the human eye. Yet these tiny particles are responsible for tears, sneezing, and difficulty breathing for millions of people during pollen season.
Behnaz Balmaki, assistant research professor of biology at the University of Texas at Arlington, led a team that approached this challenge with a totally new approach. Together with Masoud Rostami of the Data Science Division, has groundbreaking study published in the journal Frontiers in Big Data. The artificial intelligence system they developed is capable of distinguishing subtle differences between spruce, pine and larch pollen with surprising accuracy.
With more detailed data on which tree species are most allergenic and when they release pollen, urban planners can make smarter decisions about what to plant and where.

Beyond Allergies: A Treasure Trove of Information
Pollen analysis is not just about allergens and human well-being. These tiny grains tell ancient stories, preserved in lake sediments and peat bogs, providing detailed records of past plant communities. Plant distribution is closely linked to environmental factors such as temperature, precipitation, and humidity.
The nine AI models tested by the researchers not only accurately identify allergens in pollen, but also open the door to large-scale environmental monitoring. Farmers could use this information to track long-term environmental trends that affect crop viability, soil conditions, or regional weather patterns.
I'm particularly struck by the implications for wildlife and pollinator conservation. Many animals, including insects like bees and butterflies, depend on specific plants for food and habitat. By identifying which plant species are present or declining in an area, we can better understand how these changes impact the entire food chain. And perhaps avoid Plan B (feeding the bees). with synthetic food).
The Future of Allergen Diagnosis
The researchers examined historical specimens of fir, larch, and pine trees preserved by the University of Nevada Museum of Natural History. The technology demonstrated impressive potential, outperforming traditional methods in speed and accuracy.
Balmaki and his collaborators are already planning to expand their research to include a broader range of plant species. The goal is to develop a comprehensive pollen identification system that can be applied across different regions of the United States to better understand how plant communities might change in response to extreme weather events.
As the researcher herself pointed out, this is not just a matter of machines: it is a collaboration between technology and science, where artificial intelligence enhances human work, but does not replace it. A lesson that applies to many other fields of modern research.