Fungi

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    Protocols in Current Issue
    HoSeIn: A Workflow for Integrating Various Homology Search Results from Metagenomic and Metatranscriptomic Sequence Datasets
    Authors:  Gaston Rozadilla, Jorgelina Moreiras Clemente and Christina B. McCarthy, date: 07/20/2020, view: 311, Q&A: 0
    [Abstract] Data generated by metagenomic and metatranscriptomic experiments is both enormous and inherently noisy. When using taxonomy-dependent alignment-based methods to classify and label reads, the first step consists in performing homology searches against sequence databases. To obtain the most information from the samples, nucleotide sequences are ...
    Observing Nutrient Gradients, Gene Expression and Growth Variation Using the "Yeast Machine" Microfluidic Device
    [Abstract] The natural environment of microbial cells like bacteria and yeast is often a complex community in which growth and internal organization reflect morphogenetic processes and interactions that are dependent on spatial position and time. While most of research is performed in simple homogeneous environments (e.g., bulk liquid cultures), ...
    Preparation of Yeast tRNA Sample for NMR Spectroscopy
    Authors:  Marjorie Catala, Alexandre Gato, Carine Tisné and Pierre Barraud, date: 06/20/2020, view: 648, Q&A: 0
    [Abstract] Transfer RNAs (tRNAs) are heavily decorated with post-transcriptional modifications during their biosynthesis. To fulfil their functions within cells, tRNAs undergo a tightly controlled biogenesis process leading to the formation of mature tRNAs. In addition, functions of tRNAs are often modulated by their modifications. Although the biological ...
    Electrophoretic Mobility Shift Assay of in vitro Phosphorylated RNA Polymerase II Carboxyl-terminal Domain Substrates
    Authors:  Joshua E. Mayfield, Seema Irani and Yan Zhang, date: 06/20/2020, view: 898, Q&A: 0
    [Abstract] Eukaryotic RNA polymerase II transcribes all protein-coding mRNAs and is highly regulated. A key mechanism directing RNA polymerase II and facilitating the co-transcriptional processing of mRNAs is the phosphorylation of its highly repetitive carboxyl-terminal domain (CTD) of its largest subunit, RPB1, at specific residues. A variety of techniques ...
    Genomic Edition of Ashbya gossypii Using One-vector CRISPR/Cas9
    Authors:  Gloria Muñoz-Fernández, Alberto Jiménez and José Luis Revuelta, date: 06/20/2020, view: 574, Q&A: 0
    [Abstract] The CRISPR/Cas9 system is a novel genetic tool which allows the precise manipulation of virtually any genomic sequence. In this protocol, we use a specific CRISPR/Cas9 system for the manipulation of Ashbya gossypii. The filamentous fungus A. gossypii is currently used for the industrial production of riboflavin (vitamina B2). In ...
    Live Cell Measurement of the Intracellular pH of Yeast by Flow Cytometry Using a Genetically-Encoded Fluorescent Reporter
    Authors:  Catherine G. Triandafillou and D. Allan Drummond, date: 06/20/2020, view: 730, Q&A: 0
    [Abstract] The intracellular pH of yeast is a tightly regulated physiological cue that changes in response to growth state and environmental conditions. Fluorescent reporters, which have altered fluorescence in response to local pH changes, can be used to measure intracellular pH. While microscopy is often used to make such measurements, it is relatively ...
    Safe DNA-extraction Protocol Suitable for Studying Tree-fungus Interactions
    Authors:  Susanna Keriö, Eeva Terhonen and Jared M. LeBoldus, date: 06/05/2020, view: 1240, Q&A: 0
    [Abstract] We present a safe and low-cost method suitable for DNA extraction from mycelium and tree tissue samples. After sample preparation, the extraction takes about 60 min. Method performance was tested by extracting DNA from various tree tissue samples and from mycelium grown on solid and liquid media. DNA was extracted from juvenile and mature host ...
    In vitro Measurement of CMP-Sialic Acid Transporter Activity in Reconstituted Proteoliposomes
    Authors:  James Cahill, Shivani Ahuja and Matthew R. Whorton, date: 03/20/2020, view: 977, Q&A: 0
    [Abstract] Nucleotide-sugar transporters (NSTs) facilitate eukaryotic cellular glycosylation by transporting nucleotide-sugar conjugates into the Golgi lumen and endoplasmic reticulum for use by glycosyltransferases, while also transferring nucleotide monophosphate byproducts to the cytoplasm. Mutations in this family of proteins can cause a number of ...
    Manganese Superoxide Dismutase Activity Assay in the Yeast Saccharomyces cerevisiae
    Authors:  Louise Thines and Pierre Morsomme, date: 03/05/2020, view: 1043, Q&A: 0
    [Abstract] Superoxide dismutases (SODs) act as a primary defence against reactive oxygen species (ROS) by converting superoxide anion radicals (O2-) into molecular oxygen (O2) and hydrogen peroxide (H2O2). Members of this enzyme family include CuZnSODs, MnSODs, FeSODs, and NiSODs, depending on the nature ...
    Super-resolution Microscopy-based Bimolecular Fluorescence Complementation to Study Protein Complex Assembly and Co-localization
    Authors:  Jingjing Chen, Zulin Yu, Jay R. Unruh, Brian D. Slaughter and Sue L. Jaspersen, date: 02/20/2020, view: 1415, Q&A: 0
    [Abstract] Numerous experimental approaches exist to study interactions between two subunits of a large macromolecular complex. However, most methods do not provide spatial and temporal information about binding, which are critical for dissecting the mechanism of assembly of nanosized complexes in vivo. While recent advances in super-resolution ...



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