©Eric Januszkiewicz
June 10, 2025
Plants vs. Pests: The Battle Beneath the Surface
- as seen by -
Eric Januszkiewicz
The interplay between plants and pests is fascinating, to say the least.
Previous research has shown that, specifically with pea aphids (Acyrthosiphon pisum), when the insects feed on plants’ sap, several gene expression changes are triggered within the plant. These include genes that enhance their defenses, cause hormonal changes, and alter growth and development; all geared toward resisting the harmful effects of aphids on the plants. All are temporary gene expression changes; however, prolonged exposure can also have long-term adaptations that lead to higher survivorship for these plants.
One lab at my previous university focused on the impact pea aphids have on gene expression in potato plants (above). It was intriguing to explore these interactions and gain a deeper understanding of how environmental factors and experiences can shape genetic responses. The way plants adapt, both temporarily and across generations, to challenges like aphid infestations highlights just how interconnected our natural world is and how resilient life can be in the face of stress.
Panasonic FZ1000 II
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