plant-herbivore-interactions
Plant-herbivore interactions encompass the dynamic relationships between plants and the animals that consume them, including the physical, chemical, and molecular defenses plants deploy in response to herbivory. Understanding these interactions is central to plant science because they drive the evolution of key plant traits such as secondary metabolites, structural barriers, and induced signaling pathways. This field informs crop protection strategies, ecological resilience, and our broader understanding of how plants adapt to biotic stress.
PubMed · 2026-04-10
Tadpoles raised in natural pond water — full of microbes — were larger and healthier, and their gut bacteria responded meaningfully to a tannin-rich diet, reducing potentially harmful bacteria. Tadpoles in sterile lab water showed none of these benefits, suggesting lab-only experiments miss key real-world biology.
Tadpoles raised in natural pond water had greater body mass and length compared to those in sterilized water, though dietary tannins (2% tannic acid) had no effect on body size.
Gut bacterial diversity was significantly higher in tadpoles from natural pond water than in those from autoclaved (microbially depleted) water.
Dietary tannins reduced bacterial diversity and lowered the relative abundance of potentially pathogenic bacterial genera — but only in tadpoles raised in microbially rich natural water, not in sterile lab conditions.