fruit-microbiome
The fruit microbiome refers to the diverse community of bacteria, fungi, and other microorganisms that colonize fruit tissue, surfaces, and internal environments throughout development and post-harvest. Understanding these microbial communities is increasingly important in plant science because they influence fruit quality, flavor development, disease resistance, and shelf life. Research into fruit-associated microbiomes also sheds light on how plants recruit and shape beneficial microbial partners through ripening signals and chemical cues.
PubMed · 2026-04-07
Scientists tracked the bacteria and fungi living on and inside apple fruits from bloom to harvest, finding that the microbial community changes in predictable patterns over the growing season — a discovery that could lead to natural, biology-based ways to keep apples fresh longer and reduce food waste.
Microbial richness (number of different species) was highest at two key moments: during bloom (flowering) and when the fruit was fully mature at harvest.
Endophytic microbes (those living inside the fruit tissue) were stable and shared across many stages of fruit development, while surface microbes were transient and changed throughout the season.
Fungal and bacterial species capable of breaking down carbohydrates showed distinct abundance patterns at different apple developmental stages, suggesting the host plant may actively regulate which microbial groups thrive at each stage.
