Effects of arbuscular mycorrhizal fungi on the bacterial communities of three compartments in strawberry roots.
Xu J, Duan Y, Wu W, Diao F
Mycorrhizal Networks
Sprinkling a specific soil fungus around your strawberry bed could quietly recruit a team of beneficial bacteria that work alongside it to grow bigger, healthier plants — no synthetic fertilizer required.
Researchers inoculated strawberry plants with two types of beneficial soil fungi and found that both made the plants grow larger and heavier. More interestingly, the fungi changed which bacteria lived around the roots — recruiting helpful species and organizing them into more cooperative communities. One particular bacterial group stood out as especially important, and its presence was directly linked to heavier plants overall.
Key Findings
Both fungal inoculations increased strawberry fresh and dry plant weight compared to uninoculated controls while decreasing available soil nutrients.
AM fungi reduced bacterial diversity around new roots but enriched specific beneficial genera: Arthrobacter (with F. mosseae) and Lysobacter (with R. intraradices) in the root zone, and nitrogen-fixing Rhizobium-group bacteria inside new roots.
Network analysis showed AM fungi increased positive bacterial interactions and modularity, with the keystone genus Ellin6067 significantly correlated with total plant dry weight across both fungal treatments.
chevron_right Technical Summary
Adding beneficial soil fungi to strawberry plants not only boosts plant growth but also reshapes the bacterial communities living around and inside the roots in ways that may further support plant health.
Abstract Preview
Arbuscular mycorrhizal (AM) fungi can regulate microbial communities in rhizosphere soil and promote plant growth. However, few studies have examined the regulated differences in microbial communit...
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