A naturally occurring insect-killing fungus called Beauveria bassiana can live inside soybean plants as a beneficial endophyte, boosting photosynthesis, dialing up stress defenses, and shifting the leaf microbiome away from harmful pathogens — all within one week of inoculation.
1
Beauveria bassiana successfully colonized all soybean tissues (leaves, stems, roots) within one week of inoculation without causing visible harm to the host plant.
2
The fungal endophyte up-regulated plant genes for photosynthesis, lipid and carbohydrate biosynthesis, and stress response, while down-regulating abscisic acid and far-red light response pathways.
3
Plants colonized by B. bassiana showed a relative decrease in transcripts from potentially pathogenic bacteria and plant-pathogenic fungi, with a concurrent relative increase in beneficial microbial transcripts.
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