What do we know about the seed microbiome?
Qi X, Jin D, Olimi E, Chen X, Cernava T
Soil Health
PubMedTiny microbial hitchhikers inside every seed you plant — or every vegetable you eat — may hold the key to growing healthier crops with fewer chemicals, even as climate change makes growing conditions more unpredictable.
Every seed contains a hidden community of bacteria and fungi that wake up along with the sprouting plant and help it get a strong start in life. These microbes can be passed down from parent plant to offspring, almost like an inherited immune system. Scientists are now figuring out how to harness these natural helpers to grow more food with less fertilizer and pesticide, which could be a big deal for feeding the world as the climate shifts.
Key Findings
Seeds act as a transgenerational vehicle for transmitting beneficial microbes from parent plants to their offspring, preserving microbial communities across generations.
Seed-associated microbes play active functional roles in germination, seedling establishment, growth promotion, and stress resistance — not merely passive passengers.
Despite a decade of growing research, the seed microbiome remains significantly underexplored, with major open questions around how microbial communities assemble, organize spatially within the seed, and can be practically applied in agriculture.
chevron_right Technical Summary
Seeds carry their own communities of beneficial microbes that help plants germinate, grow, and survive stress. This review synthesizes a decade of research on how these seed-associated microbes work, how they're passed from one plant generation to the next, and why understanding them could make agriculture more sustainable and food supplies more secure.
Abstract Preview
The seed microbiome supports plant health and increases resilience under adverse environmental conditions. Seeds are also an important vector for transgenerational transfer of the plant microbiota....
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