Project description:The goals of this study are to compare different gene expressions for Penicillium oxalicum wild type strain (WT), CrzA deletion strain (ΔCrzA) and CrzA recover strain (ReCrzA) in 2% starch as carbon sources. The correlation analysis results between the various samples showed that the gene expression levels of the wild strain and the RecrzA strain were similar, and the gene expression levels between ΔcrzA and the wild strain were significantly different. The deletion of CrzA significantly down-regulates the expression levels of conidia pigment synthesis genes, and spore wall synthesis-related genes of Penicillium oxalicum, and also has a regulatory effect on the expression levels of genes related to the sporulation process. And the absence of CrzA can broadly down-regulate the expression level of cellulase-encoding genes, indicating that CrzA can cause a decrease in cellulase synthesis by affecting the expression of cellulase-encoding genes. The information provided by this study indicates that CrzA function is necessary for the mycelial development and cellulase activity of Penicillium oxalicum.
Project description:In Aspergillus sp., BrlA is a master transcription factor essential for the induction of conidiogenesis. Sometimes it is also involved in the secondary metabolism. The aim of this study was to characterize the role of BrlA in Penicillium expansum. For that a null mutant PeΔBrlA was generated.
Project description:Antagonistic yeasts inhibit the growth of fungal. In our previous research, Meyerozyma guilliermondii one of antagonistic yeasts exhibits antagonistic activity against Penicillium expansum. However, the mechanisms, especially the molecular mechanisms of inhibiting activity of M. guilliermondii are not clear. In this study, the transcriptome characterization of P. expansum induced by M. guilliermondii were investigated.
Project description:Penicillium digitatum is the pathogen of Green mold in Postharvest citrus. After inoculating Penicillium digitatum into the wound of citrus to infect it, transcriptome sequencing was carried out and compared with the results of transcriptome sequencing of Penicillium digitatum before inoculation in order to screen the differentially expressed genes and reveal its infection mechanism.
Project description:As part of our investigations on the chemical diversity of organisms from unexplored marine habitats of Mexico, a series of 29 fungal strains isolated from deep-sea sediments (more than 600 m deep) from the Gulf of Mexico were investigated. The antimicrobial potential of their organic extracts from solid cultures grown under the OSMAC approach was assessed against a panel of ESKAPE bacteria and the yeast C. albicans. Chemical studies on the active scaled-up cultures and some small-scale cultures led to the isolation of benzochromenones from Alternaria sp. CIGOM4, benzodiazepines from P. echinulatum CONTIG4, a cytochalsin from Biatriospora sp. CIGOM2, and an imidazopyridoindole from Penicillium sp. CIGOM10. Molecular network analysis by GNPS combined with manual dereplication showed the enormous potential of these fungi to produce bioactive compounds.
Project description:We compared the gene expression stimulated with fungal extracts from Aspergillus (A.) fumigatus, Alternaria (A.) alternata, or Penicillium (P.) notatum in NCI-H292 (a human bronchial epithelial cell line) to search Allergic bronchopulmonary mycosis (ABPM)-related genes. We identified a mucin-related MUC5AC gene, the expression of which was selectively induced by A. fumigatus.
Project description:Mycotoxins produced by fungal species commonly contaminate livestock feedstuffs. Citrinin (CIT) and ochratoxin A (OTA) are mycotoxins produced by Penicillium spp. and commonly co-occur. Both CIT and OTA can modulate the immune response by inhibiting cell proliferation and differentiation, changing in cell metabolism, or triggering programmed cell death. In this study, we used microarrays to determine the effects of CIT, OTA or both on the bovine macrophage (BoMac) transcriptome.
