Research Articles

Metagenomic next-generation sequencing (mNGS) offers a promising diagnostic advantage for detecting invasive pulmonary aspergillosis (IPA) in immunocompromised ICU patients. A study across six Chinese hospitals demonstrated mNGS's superior specificity and sensitivity over conventional tests, significantly reducing 28-day mortality rates through guided antibiotic adjustments, indicating improved patient outcomes.

This study evaluates MALDI-TOF MS, a key technology for identifying clinical pathogens, by comparing the Smart MS 5020 from Zhuhai DL Biotech to the Biotyper Microflex LT. Testing 612 isolates, including fungi, both systems showed high accuracy, with 96.9% and 96.6% correct species identification rates, respectively. Results highlight the Smart MS 5020 as a viable, cost-effective diagnostic tool.

Researchers have utilized a "mutator" strain of Entamoeba histolytica to accelerate the study of drug resistance mechanisms. Introducing an error-prone DNA polymerase δ, the strain's mutation rate increased 60-fold, aiding in the identification of genes involved in resistance to miltefosine, including notable mutations in P4-ATPase linked to resistance in other species.

Arbuscular mycorrhiza (AM) is a symbiotic relationship between land plants and Glomeromycota fungi. New findings demonstrate that the liverwort Marchantia paleacea utilizes Lysin Motif Receptor-Like Kinases (LysM-RLKs), specifically MpaLYKa, to facilitate AM formation, indicating an ancestral role in symbiotic perception. Moreover, MpaLYR triggers responses to chito- and lipochito-oligosaccharides, hinting at undiscovered AM fungal signals.

Carbon dots (CDs) are nanomaterials derived from medicinal and edible resources, such as Ganoderma lucidum, offering significant potential as biosensors and in drug delivery. This review highlights their synthesis and applications, suggesting CDs' pivotal role in bridging traditional medicine with modern technology, promising advancements in interdisciplinary research and practical applications.

A comprehensive study on fungi associated with pteridophytes—vascular plants like ferns—utilizing morphology and multi-gene phylogeny has identified 48 species within the Ascomycota phylum. This research covers three classes, nine orders, 17 families, and 30 genera, based on 81 collections made in Guizhou Province, China, offering valuable insights into fungal biodiversity.

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.

Triterpenoids, complex natural compounds found in plants, fungi, and marine organisms, exhibit notable cytotoxicity against cancer. This review updates their types, structures, and cytotoxicity from 2015 to 2024. With insights into structure-activity relationships, the study proposes strategies for structural modifications, aiming to enhance the development of novel anticancer agents.

This study delves into the Didymellaceae family, notably Phoma-like fungi, associated with Convolvulaceae plants. Using multilocus phylogenetics, 16 species were confirmed, with three newly described: Didymella pseudomacrophylla, Epicoccum convolvulicola, and Epicoccum pseudoplurivorum. Seven species are newly reported in Russia, and one in Kazakhstan, highlighting their ecological breadth and diversity.

Protein kinase A (PKA) signaling is crucial in fungal immune evasion by manipulating β-1,3-glucan masking in Candida albicans. This study utilizes mathematical modeling and experiments to reveal how PKA-regulated pathways and specific glucanases contribute to dynamic glucan exposure, enhancing immune resistance. Insights may apply to various pathogenic fungi.

In an important advance for mycological research, Xenopyricularia zizaniicola strain JB-1, a pathogenic fungus affecting Zizania latifolia, has been found to possess a unique "one-speed genome." This diverges from the typical "two-speed genome" of Pyricularia oryzae, suggesting a distinct evolutionary path for pathogenicity-associated genes in this strain.

This study investigates CotH3 and GRP78 gene expressions, key in fungal invasion, within macrophages and diabetic mice infected with Rhizopus oryzae. Elevated GRP78 and CotH3 expressions were identified as pivotal in mucormycosis, highlighting diabetes as a risk factor. This research is vital for understanding mucormycosis pathogenesis and developing targeted treatments.