Your Weekly Dose of Mycology Research
Your Weekly Dose of Mycology Research
This study examines how large herbivores impact mycorrhizal fungi, crucial for nutrient cycling in Arctic soils. By analyzing fungal communities from exclusion experiments, it was found that arbuscular mycorrhizal (AM) fungi are significantly influenced by herbivore presence, temperature, and pH. However, ectomycorrhizal and ericoid mycorrhizal fungi are more affected by soil nitrogen levels than by herbivory.
This study on liver transplant patients reveals that fungi, alongside gram-positive and gram-negative bacteria, contribute to post-transplant infections, with a surprising prevalence of drug-resistant bacteria. Advanced age, extended ICU stays, and high bilirubin levels heighten infection risks. The findings underscore the need for interventions to reduce infection and sepsis, emphasizing fungal pathogen vigilance.
Global epistasis, where genetic effects are fitness-dependent, is explored in Saccharomyces cerevisiae through DNA barcode sequencing of 169 progeny under CRISPRi perturbations. Findings reveal that fitter segregants are more sensitive to genetic changes, identifying 58 loci whose interactions contribute to global epistasis and largely overlap with those affecting unperturbed fitness.
This study elucidates autophagy regulation in Magnaporthe oryzae, focusing on MoSec13 and MoGcn5b's roles in modulating MoAtg8 acetylation. Researchers demonstrated MoSec13's negative impact on autophagy through its WD40 domain and its dual interactions with MoAtg7 and MoAtg8. The findings highlight MoSec13 as crucial for lipid homeostasis and reveal insights crucial for targeting rice blast fungus.