microbiome-breeding
Microbiome-breeding is an emerging approach that integrates knowledge of plant-associated microbial communities into traditional breeding programs, selecting for plant genotypes that recruit and maintain beneficial microbiomes. The composition of a plant's root, leaf, and soil microbiome profoundly influences nutrient uptake, disease resistance, and stress tolerance, making microbial partnerships a valuable but underutilized trait in crop improvement. By co-optimizing plant genetics and microbiome compatibility, this strategy offers a path toward more resilient and productive cultivars with reduced dependence on chemical inputs.
open_in_new WikipediaPubMed · 2026-04-22
Scientists discovered that apple seeds carry their own communities of bacteria, inherited through two distinct pathways: via flower parts (sexual) and through the tree's vascular system (asexual). Surprisingly, nearly half the seed microbiome came from unknown sources, suggesting there are transmission routes yet to be identified.
Both sexual (30.3%, via pollen and ovary) and asexual (23.8%, via the tree's vascular spurs) pathways contribute to seed microbiome assembly in apple trees.
Branch spurs sampled before bloom had significantly higher bacterial richness and diversity than all other tissue types, including seeds, ovaries, and pollen.
45.9% of the apple seed microbiome could not be attributed to any measured source, indicating major unknown transmission routes remain undiscovered.
