Seed microbes may be reshaped by crop breeding, but the science is still unsettled
Farago GC, Grajales RD, Yost CK
Seed Saving
Every seed you sow carries its own microbial community, and centuries of breeding for yield and taste may have quietly stripped away microbes that once helped those plants resist disease and drought.
Seeds aren't sterile: they carry a living community of bacteria and fungi that can affect how a plant grows and defends itself. When farmers and breeders spend generations selecting crops for bigger yields or better flavor, they may unintentionally change which microbes hitch a ride in those seeds. Scientists looked at the research to date and found too few studies, covering too few crops, to say whether domestication helps or hurts the seed microbiome.
Key Findings
The impact of domestication on seed microbiome diversity is variable and inconclusive across the species studied so far.
The number of independent studies per crop species is too low to draw reliable conclusions.
The authors call for standardized lab and bioinformatics methods to make future studies comparable.
chevron_right Technical Summary
Researchers reviewed how thousands of years of crop domestication and selective breeding have changed the communities of microbes living inside seeds. The evidence so far is mixed and thin, pointing to an urgent need for standardized methods before firm conclusions can be drawn.
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Original paper
Crop domestication, selective breeding, and the seed microbiome: a call for further research.
Plants have been domesticated for thousands of years and subject to human derived selection for desirable traits such as improved yield, disease tolerance, nutrient content, and palatability.Advanc...
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Crop-improvement refers to the systematic enhancement of plant varieties through selective breeding, genetic modification, and biotechnological approaches to develop cultivars with superior agronomic, nutritional, or environmental traits. This field is essential for addressing global food security,
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