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Bamboo Molecules Found to Shape Pandas' Diet and Behavior

New research reveals that plant-derived microRNAs from bamboo influence gene expression, driving pandas' dietary adaptation and preferences.

A panda named Qing Bao eats bamboo after spending the day playing, at the Smithsonian National Zoo in Washington, DC, on January 28, 2025.
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Giant pandas spend up to 16 hours a day eating predominantly bamboo

Overview

  • Scientists discovered 57 bamboo-derived microRNAs in the blood of giant pandas, influencing their gene expression and dietary habits.
  • These plant molecules affect pandas' sense of smell, taste, and dopamine pathways, making bamboo consumption more rewarding and motivating.
  • MicroRNAs help pandas adapt to a low-nutrient, plant-based diet despite their carnivorous digestive systems, aiding nutrient absorption and immune function.
  • The study highlights the 'cross-kingdom' genetic influence of plant molecules on animals, offering insights into evolutionary dietary shifts.
  • Researchers suggest the findings could inform conservation efforts and open new avenues for disease prevention and treatment in both animals and humans.