نتایج جستجو برای: fungal rna
تعداد نتایج: 302595 فیلتر نتایج به سال:
Nitrogen (N) availability is increasing in many ecosystems due to anthropogenic disturbance. We used a nucleotide analog technique and sequencing of ribosomal RNA genes to test whether N fertilization altered active fungal communities in two boreal ecosystems. In decaying litter from a recently burned spruce forest, Shannon diversity decreased significantly with N fertilization, and taxonomic r...
Molecular diversity surveys have demonstrated that aquatic fungi are highly diverse, and that they play fundamental ecological roles in aquatic systems. Unfortunately, comparative studies of aquatic fungal communities are few and far between, due to the scarcity of adequate datasets. We combined all publicly available fungal 18S ribosomal RNA (rRNA) gene sequences with new sequence data from a ...
In contrast to well-established internal ribosomal entry site (IRES)-mediated translational initiation in animals and plants, no IRESs were established in fungal viral or cellular RNAs. To identify IRES elements in mycoviruses, we developed a luciferase-based dual-reporter detection system in Cryphonectria parasitica, a model filamentous fungus for virus-host interactions. A bicistronic constru...
Laser microdissection (LM) offers a potential means for deep sampling of a fungal plant-pathogen transcriptome during the infection process using whole-genome DNA microarrays. The use of a fluorescent protein-expressing fungus can greatly facilitate the identification of fungal structures for LM sampling. However, fixation methods that preserve both tissue histology and protein fluorescence, an...
RNA editing is a widespread, post-transcriptional molecular phenomenon that diversifies hereditary information across various organisms. However, little is known about genome-scale RNA editing in fungi. In this study, we screened for fungal RNA editing sites at the genomic level in Ganoderma lucidum, a valuable medicinal fungus. On the basis of our pipeline that predicted the editing sites from...
The versatility of RNA-dependent RNA polymerases (RDRPs) in eukaryotic gene silencing is perhaps best illustrated in the kingdom Fungi. Biochemical and genetic studies of Schizosaccharomyces pombe and Neurospora crassa show that these types of enzymes are involved in a number of fundamental gene-silencing processes, including heterochromatin regulation and RNA silencing in S. pombe and meiotic ...
UNLABELLED TRFolder-W is a web server capable of predicting core structures of telomerase RNA (TR) in yeast genomes. TRFolder is a command-line Python toolkit for TR-specific structure prediction. We developed a web-version built on the django web framework, leveraging the work done previously, to include enhancements to increase flexibility of usage. To date, there are five core sub-structures...
Pneumocystis jirovecii is a major cause of life-threatening pneumonia in immunosuppressed patients including transplant recipients and those with HIV/AIDS, yet surprisingly little is known about the biology of this fungal pathogen. Here we report near complete genome assemblies for three Pneumocystis species that infect humans, rats and mice. Pneumocystis genomes are highly compact relative to ...
The biotrophic pathogen Ustilago maydis causes smut disease on maize (Zea mays) and induces the formation of tumours all aerial parts plant. Unlike in other interactions, no gene-for-gene interactions have been identified maize–U. pathosystem. Thus, resistance to U. is considered a polygenic, quantitative trait. Here, we study molecular mechanisms (QDR) maize, how interferes with its components...
Transmissible hypovirulence of the chestnut blight fungus, Cryphonectria parasitica, is associated with cytoplasmic double-stranded-RNA (dsRNA) viruses. The fungal laccase has attracted interest because its activity is reduced in hypovirulent dsRNA-containing strains. A laccase cDNA clone was isolated by screening a cDNA expression library with antibodies against the purified extracellular lacc...
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