AI Article Synopsis
- Light perception in fungi activates the HOG pathway, potentially boosting stress response genes, suggesting that controlling light conditions can enhance conidial production and stress resilience in biocontrol agents and biofertilizers.
- The study examined how different light wavelengths and intensities affect conidial yield and resistance to various stresses.
- Blue light at 2 μmol photons/(m × s) significantly increased conidial yield over 1000 times compared to darkness, while also enhancing stress resistance, linked to the activity of stress-related genes regulated by the receptor BLR1 and MAP kinase HOG1.
Article Abstract
Light is perceived by photoreceptors in fungi and further integrated into the stress-activated MAPK HOG pathway, and thereby potentially activates the expression of genes for stress responses. This indicates that the precise control of light conditions can likely improve the conidial yield and stress resistance to guarantee the low cost and long shelf life of -based biocontrol agents and biofertilizers. In this study, effects of wavelengths and intensities of light on conidial yield and stress tolerance to osmotic, oxidative and pH stresses in were investigated. We found that 2 μmol photons/(m × s) of blue light increased the conidial yield more than 1000 folds as compared to dark condition and simultaneously enhanced conidial stress resistance. The enhanced conidial stress resistance is probably due to the upregulated stress-related genes in blue light, which is under the control of the blue light receptor BLR1 and the MAP kinase HOG1.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8779183 | PMC |
| http://dx.doi.org/10.3390/jof8010050 | DOI Listing |
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