AI Article Synopsis
- Tobacco mosaic virus (TMV) is a harmful virus that affects plants, and we need ways to reduce it and help plants fight back.
- Researchers created a special nano-protectant called SPc that can lower the amount of TMV and help plants build their defenses.
- The SPc works with another ingredient called lentinan (LNT) to form a tiny complex that makes it easier for plants to absorb, leading to better protection against TMV in both lab tests and real farming conditions.
Article Abstract
Tobacco mosaic virus (TMV) is extremely pathogenic and resistant to stress There are great needs to develop methods to reduce the virus in the environment and induce plant immunity simultaneously. Here, we report a multifunctional nano-protectant to reduce the virus in the environment and induce plant immunity simultaneously. The star polycation (SPc) nanocarrier can act as an active ingredient to interact with virus coat protein via electrostatic interaction, which reduces the proportion of TMV particles to 2.9% and leads to a reduction of the amount of virus in the environment by half. SPc can act as an adjuvant to spontaneously assemble with an immune inducer lentinan (LNT) through hydrogen bonding into nanoscale (142 nm diameter) LNT/SPc complex, which improves the physicochemical property of LNT for better wetting performance on leaves and cellular uptake, and further activates plant immune responses. Finally, the LNT/SPc complex displays preventive and curative effects on TMV disease, reducing TMV-GFP relative expression by 26% in the laboratory and achieving 82% control efficacy in the field We hope the strategy reported here would be useful for control of crop virus disease.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11445512 | PMC |
| http://dx.doi.org/10.1038/s41467-024-52851-z | DOI Listing |
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