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Artykuły w czasopismach na temat „Basidiomycete yeast”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Kulko, A. B. "Groups of pathogens that cause opportunistic pneumomycoses in TB patients: the protocol of laboratory studies, the activity of drugs." Tuberculosis and socially significant diseases 9, no. 2 (2021): 32–37. http://dx.doi.org/10.54921/2413-0346-2021-12-2-32-37.

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The article describes the author’s unifying scheme for identification of micromycetes isolated from culture with rapid differentiation between nine groups of pathogens: ascomycete yeasts; basidiomycete yeasts of the red yeast group; basidiomycete nonpigmented yeasts; ascomycete yeast-like fungi; basidiomycete yeast-like fungi; zygomycosis causative agents; pheogyphomycosis causative agents of the dimorphic black yeast group; pheogyphomycosis causative agents of the mycelial pheoid species; light-coloured mold causative agents of aspergillosis and hyalohyphomycosis. The article also provides th

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Wright, Richard, and Brian Douglas. "The genome sequence of a basidiomycete yeast, Tausonia pullulans (Lindner) X.Z. Liu, F.Y. Bai, M. Groenew. & Boekhout, 2016 (Mrakiaceae)." Wellcome Open Research 9 (November 20, 2024): 685. http://dx.doi.org/10.12688/wellcomeopenres.23350.1.

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We present a genome assembly from an individual Tausonia pullulans (a basidiomycete yeast; Basidiomycota; Tremellomycetes; Cystofilobasidiales; Mrakiaceae). The genome sequence is 23.9 megabases in span. Most of the assembly is scaffolded into 20 chromosomal pseudomolecules. The mitochondrial genome has also been assembled and is 18.82 kilobases in length.

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Frieders, Elizabeth M., and David J. McLaughlln. "Mitosis in the yeast phase of Agaricostilbum pulcherrimum and its evolutionary significance." Canadian Journal of Botany 74, no. 9 (1996): 1392–406. http://dx.doi.org/10.1139/b96-169.

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Agaricostilbum pulcherrimum is an anomaly and is difficult to place systematically. It possesses a yeast phase, and as in most basidiomycetous yeasts, mitosis has not been investigated cytoiogically. Yeast cells of A. pulcherrimum were prepared for immunofluorescence and transmission electron microscopy by a freeze-substitution method. A cladistic analysis of cell cycle characters among A. pulcherrimum and two ascomycetous and two basidiomycetous yeasts, performed with phylogenetic analysis using parsimony, revealed that A. pulcherrimum is basal within these basidiomycetes. Spindle pole bodies

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Tsuji, Masaharu, and Sakae Kudoh. "Soil Yeasts in the Vicinity of Syowa Station, East Antarctica: Their Diversity and Extracellular Enzymes, Cold Adaptation Strategies, and Secondary Metabolites." Sustainability 12, no. 11 (2020): 4518. http://dx.doi.org/10.3390/su12114518.

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Antarctica is known as one of the harshest environments on Earth, with a frigid and dry climate. Soil yeasts living in such extreme environments can grow by decomposing organic compounds at sub-zero temperatures. Thus far, a list of lichen and non-lichen fungi isolated from the area near Syowa Station, the base of the Japanese Antarctic research expedition, has been compiled and a total of 76 species of fungi have been reported. Yeast, especially basidiomycete yeast, is the dominant fungus in Antarctica. This mini-review summarizes a survey of the yeast diversity in the soil of Eastern Ongul I

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ALI, A. H., and C. R. HIPKIN. "Nitrate Assimilation in the Basidiomycete Yeast Sporobolomyces roseus." Microbiology 131, no. 8 (1985): 1867–74. http://dx.doi.org/10.1099/00221287-131-8-1867.

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Prathumpai, Wai, Umpawa Pinruan, Sujinda Sommai, Somjit Komwijit, and Kwanruthai Malairuang. "Exopolysaccharide (EPS) Production by Endophytic and Basidiomycete Fungi." Fermentation 11, no. 4 (2025): 183. https://doi.org/10.3390/fermentation11040183.

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The screening of exopolysaccharides (EPS) produced by 52 isolates of endophytic and basidiomycete fungi was studied on two different media, PDB and PYGM. There were five isolates that could produce dried exopolysaccharide of more than 4 g/L (S. commune LF01962, LF01001, LF01581, Pycnoporus sp. MMCR00271.1, Pestalotiopsis sp. PP0005). The molecular weights of these exopolymers were found to be in the range of 2.5–500 kDa. These five exopolysaccharides, produced by five different fungal isolates, showed non-cytotoxic activity against NCTC clone 929 and HDFn cell lines. The selected fungal isolat

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7

Lysakova, Valeria, Larissa Krasnopolskaya, Maria Yarina, and Mayya Ziangirova. "Antibacterial and Antifungal Activity of Metabolites from Basidiomycetes: A Review." Antibiotics 13, no. 11 (2024): 1026. http://dx.doi.org/10.3390/antibiotics13111026.

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Background/Objectives: The search for new antimicrobial molecules is important to expand the range of available drugs, as well as to overcome the drug resistance of pathogens. One of the promising sources of antibacterial and antifungal metabolites is basidial fungi, which have wide biosynthetic capabilities. Methods: The review summarized the results of studying the antimicrobial activity of extracts and metabolites from basidiomycetes published from 2018–2023. Results: In all studies, testing for antibacterial and antifungal activity was carried out in in vitro experiments. To obtain the ext

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Blakely, Greg, James Hekman, Kalpana Chakraburtty, and Peter R. Williamson. "Evolutionary Divergence of an Elongation Factor 3 from Cryptococcus neoformans." Journal of Bacteriology 183, no. 7 (2001): 2241–48. http://dx.doi.org/10.1128/jb.183.7.2241-2248.2001.

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ABSTRACT Elongation factor 3 (EF3) is considered a promising drug target for the control of fungal diseases because of its requirement for protein synthesis and survival of fungi and a lack of EF3 in the mammalian host. However, EF3 has been characterized only in ascomycete yeast. In order to understand the role of EF3 in a basidiomycete yeast, we cloned the gene encoding EF3 from Cryptococcus neoformans(CnEF3), an important fungal pathogen in immunocompromised patients, including those infected with human immunodeficiency virus.CnEF3 was found to encode a 1,055-amino-acid protein and has 44%

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9

Kobayashi, Yuuki, Naoto Tanaka, Minenosuke Matsutani, et al. "Whole-genome based phylogeny and comparative genomics of Sporidiobolales and related taxa of Basidiomycetes." IMA Fungus 16, no. () (2025): e141626. https://doi.org/10.3897/imafungus.16.141626.

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<i>Sporidiobolales</i> is a fungal order of <i>Basidiomycota</i> within the subphylum Pucciniomycotina. This order encompasses significant yeasts, such as the oleaginous species <i>Rhodotorula toruloides</i> and the opportunistic pathogen <i>R. mucilaginosa</i>. We present the sequencing and comparative analysis of 35 <i>Sporidiobolales</i> strains from 27 species, alongside a <i>Leucosporidium</i> strain (<i>Leucosporidiales</i>), and incorporating publicly available genomic data for related fungi. Based on the phylogenomics data, we found that the topologies obtained were relatively similar

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10

Cobban, Alec, Virginia P. Edgcomb, Gaëtan Burgaud, Daniel Repeta, and Edward R. Leadbetter. "Revisiting the pink‐red pigmented basidiomycete mirror yeast of the phyllosphere." MicrobiologyOpen 5, no. 5 (2016): 846–55. http://dx.doi.org/10.1002/mbo3.374.

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11

Okamoto, Sho, Kanji Furuya, Shingo Nozaki, Keita Aoki, and Hironori Niki. "Synchronous Activation of Cell Division by Light or Temperature Stimuli in the Dimorphic Yeast Schizosaccharomyces japonicus." Eukaryotic Cell 12, no. 9 (2013): 1235–43. http://dx.doi.org/10.1128/ec.00109-13.

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ABSTRACTMany fungi respond to light and regulate fungal development and behavior. A blue light-activated complex has been identified inNeurospora crassaas the product of thewc-1andwc-2genes. Orthologs of WC-1 and WC-2 have hitherto been found only in filamentous fungi and not in yeast, with the exception of the basidiomycete pathogenic yeastCryptococcus. Here, we report that the fission yeastSchizosaccharomyces japonicusresponds to blue light depending on Wcs1 and Wcs2, orthologs of components of the WC complex. Surprisingly, those of ascomyceteS. japonicusare more closely related to those of

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12

Raudaskoski, Marjatta, and Erika Kothe. "Basidiomycete Mating Type Genes and Pheromone Signaling." Eukaryotic Cell 9, no. 6 (2010): 847–59. http://dx.doi.org/10.1128/ec.00319-09.

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ABSTRACT The genome sequences of the basidiomycete Agaricomycetes species Coprinopsis cinerea, Laccaria bicolor, Schizophyllum commune, Phanerochaete chrysosporium, and Postia placenta, as well as of Cryptococcus neoformans and Ustilago maydis, are now publicly available. Out of these fungi, C. cinerea, S. commune, and U. maydis, together with the budding yeast Saccharomyces cerevisiae, have been investigated for years genetically and molecularly for signaling in sexual reproduction. The comparison of the structure and organization of mating type genes in fungal genomes reveals an amazing cons

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13

Mercado-Flores, Yuridia, Adriana Trejo-Aguilar, Bernardo Ramírez-Zavala, Lourdes Villa-Tanaca, and César Hernández-Rodríguez. "Purification and characterization of an intracellular aspartyl acid proteinase (pumAi) from Ustilago maydis." Canadian Journal of Microbiology 51, no. 2 (2005): 171–75. http://dx.doi.org/10.1139/w04-125.

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The intracellular proteinase pumAi in Ustilago maydis has been associated with yeast-mycelium dimorphic transition. The proteinase was purified from a cell-free extract by ammonium sulfate fractionation and chromatographic steps including hydrophobic interactions on a Phenyl Superose column, ion exchange on a Mono Q column, and gel filtration on Superose 12 columns. The enzyme has a mass of 35.3–36.6 kDa, a pH and temperature optimum of 4.0 and 40 °C, respectively, and a pI of 5.5. The enzyme degraded hemoglobin, gelatin, albumin, and casein, but not collagen, and the enzymatic activity was st

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14

Lassen, Søren F., Jens Breinholt, Peter R. Østergaard, et al. "Expression, Gene Cloning, and Characterization of Five Novel Phytases from Four Basidiomycete Fungi: Peniophora lycii, Agrocybe pediades, a Ceriporia sp., and Trametes pubescens." Applied and Environmental Microbiology 67, no. 10 (2001): 4701–7. http://dx.doi.org/10.1128/aem.67.10.4701-4707.2001.

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ABSTRACT Phytases catalyze the hydrolysis of phosphomonoester bonds of phytate (myo-inositol hexakisphosphate), thereby creating lower forms of myo-inositol phosphates and inorganic phosphate. In this study, cDNA expression libraries were constructed from four basidiomycete fungi (Peniophora lycii, Agrocybe pediades, a Ceriporia sp., and Trametes pubescens) and screened for phytase activity in yeast. One full-length phytase-encoding cDNA was isolated from each library, except for the Ceriporia sp. library where two different phytase-encoding cDNAs were found. All five phytases were expressed i

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15

MADZAK, C., L. OTTERBEIN, M. CHAMKHA, et al. "Heterologous production of a laccase from the basidiomycete in the dimorphic yeast." FEMS Yeast Research 5, no. 6-7 (2005): 635–46. http://dx.doi.org/10.1016/j.femsyr.2004.10.009.

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Prokopyev, V. V., N. V. Kuklina, O. N. Mazko, and O. G. Makarova. "Oxidative stress induced by the human microbiota yeast component as a micromycetes pathogenicity factor." Russian Journal of Infection and Immunity 14, no. 1 (2024): 175–80. http://dx.doi.org/10.15789/2220-7619-osi-9636.

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The introduction of MALDI-ToF mass spectrometry into routine microbiological diagnostics has led to a widely extended list of identified microorganisms. This phenomenon also affected mycological studies. Rare basidiomycetes and ascomycetes began to be detected in various types of pathological material. It is often difficult to assess a role of isolated micromycetes in the pathogenesis of a certain disease. In addition to generally admitted pathogenicity factors, such as aggression enzymes, adhesive activity, and toxin formation, induction or inhibition of reactive oxygen species can play a pro

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17

Harreither, Wolfgang, Christoph Sygmund, Evelyn Dünhofen, Rafael Vicuña, Dietmar Haltrich, and Roland Ludwig. "Cellobiose Dehydrogenase from the Ligninolytic Basidiomycete Ceriporiopsis subvermispora." Applied and Environmental Microbiology 75, no. 9 (2009): 2750–57. http://dx.doi.org/10.1128/aem.02320-08.

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ABSTRACT Cellobiose dehydrogenase (CDH), an extracellular flavocytochrome produced by several wood-degrading fungi, was detected in cultures of the selective delignifier Ceriporiopsis subvermispora when grown on a cellulose- and yeast extract-based liquid medium. CDH amounted to up to 2.5% of total extracellular protein during latter phases of the cultivation and thus suggested an important function for the fungus under the given conditions. The enzyme was purified 44-fold to apparent homogeneity. It was found to be present in two glycoforms of 98 kDa and 87 kDa with carbohydrate contents of 1

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18

Buck, James W., and John H. Andrews. "Role of adhesion in the colonization of barley leaves by the yeastRhodosporidium toruloides." Canadian Journal of Microbiology 45, no. 6 (1999): 433–40. http://dx.doi.org/10.1139/w99-022.

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To investigate whether leaf-surface yeasts adhere to the phylloplane in a two-phase manner, with weak, nonspecific attachment followed by stronger, time-dependent adhesion, we observed adhesion kinetics of the basidiomycete yeast Rhodosporidium toruloides to barley. While 50-60% of the cells adhered in short-term assays (up to 3 h), fewer than 10% were adherent after 10 days. Ten attachment-minus (Att-) mutants, deficient in phase I attachment, did not adhere after 5-day incubations, further suggesting a lack of stronger, independent phase II adhesion. Long-term (5 day) adhesion was similar fo

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19

Vogan, Aaron A., and Jianping Xu. "Evidence for genetic incompatibilities associated with post-zygotic reproductive isolation in the human fungal pathogen Cryptococcus neoformans." Genome 57, no. 6 (2014): 335–44. http://dx.doi.org/10.1139/gen-2014-0077.

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Hybridization is a potent mechanism for generating unique strains with broad host ranges and increased virulence in fungal pathogens. In the opportunistic basidiomycete pathogen Cryptococcus neoformans, intervarietal hybrids are commonly found infecting patients. The two parental varieties C. neoformans var. grubii and C. neoformans var. neoformans mate readily under laboratory conditions, but the hybrid basidiospores have germination rates about four times lower than those from intravarietal crosses. Here, we used microdissection to collect basidiospores from a hybrid cross and analysed the g

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Pungartnik, Cristina, Aline Clara da Silva, Sarah Alves de Melo, et al. "High-Affinity Copper Transport and Snq2 Export Permease of Saccharomyces cerevisiae Modulate Cytotoxicity of PR-10 from Theobroma cacao." Molecular Plant-Microbe Interactions® 22, no. 1 (2009): 39–51. http://dx.doi.org/10.1094/mpmi-22-1-0039.

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A pathogenesis-related (PR) protein from Theobroma cacao (TcPR-10) was identified from a cacao–Moniliophthora perniciosa interaction cDNA library. Nucleotide and amino acid sequences showed homology with other PR-10 proteins having P loop motif and Betv1 domain. Recombinant TcPR-10 showed in vitro and in vivo ribonuclease activity, and antifungal activity against the basidiomycete cacao pathogen M. perniciosa and the yeast Saccharomyces cerevisiae. Fluorescein isothiocyanate-labeled TcPR-10 was internalized by M. perniciosa hyphae and S. cerevisiae cells and inhibited growth of both fungi. Ene

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Glushakova, Anna, Aleksey Kachalkin, and Evgenia Rodionova. "Hydrolytic Enzyme Production and Susceptibility to Antifungal Compounds of Opportunistic Candida parapsilosis Strains Isolated from Cucurbitaceae and Rosaceae Fruits." Applied Microbiology 3, no. 1 (2023): 199–211. http://dx.doi.org/10.3390/applmicrobiol3010014.

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Endophytic yeast species were studied in the internal tissues of ripe cultivated vegetables and fruits. A total of 19 yeast species, 11 ascomycete species, and 8 basidiomycete species were observed in the internal tissues of all fruits examined. The opportunistic yeast Candida parapsilosis was present in all plants studied. Several virulence factors (production of hydrolytic enzymes and sensitivity to antifungal agents) were examined in all 107 isolates of C. parapsilosis from the internal tissues of fruits. The most virulent isolates were found in vegetables. C. parapsilosis is widespread in

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Hegner, Jörg, Carola Siebert-Bartholmei, and Erika Kothe. "Ligand Recognition in Multiallelic Pheromone Receptors from the Basidiomycete Schizophyllum commune Studied in Yeast." Fungal Genetics and Biology 26, no. 3 (1999): 190–97. http://dx.doi.org/10.1006/fgbi.1999.1119.

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Klosterman, Steven J., Alfredo D. Martinez-Espinoza, David L. Andrews, Jeffrey R. Seay, and Scott E. Gold. "Ubc2, an Ortholog of the Yeast Ste50p Adaptor, Possesses a Basidiomycete-Specific Carboxy Terminal Extension Essential for Pathogenicity Independent of Pheromone Response." Molecular Plant-Microbe Interactions® 21, no. 1 (2008): 110–21. http://dx.doi.org/10.1094/mpmi-21-1-0110.

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Proteins involved in the mitogen-activated protein (MAP) kinase pathway controlling mating, morphogenesis, and pathogenicity have been identified previously in the fungus Ustilago maydis. One of these, the Ubc2 adaptor protein, possesses a basidiomycete-specific structure. In addition to containing sterile α motif (SAM) and ras association (RA) domains typical of Ste50-like adaptor proteins found in the fungal phylum Ascomycota, Ubc2 also contains two C-terminal SH3 domains. Yeast two-hybrid assays indicated that Ubc2 interacts with the MAP kinase-kinase kinase Ubc4 via the SAM domains at each

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Hackney, Patricia N. "Ultrastructural characteristics of sporidia of Ustilago." Proceedings, annual meeting, Electron Microscopy Society of America 47 (August 6, 1989): 786–87. http://dx.doi.org/10.1017/s0424820100155906.

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Ustilago hordei and Ustilago violacea are yeast-like basidiomycete pathogens ofHordeum vulgare and Silene alba respectively. The mating type system in both species of Ustilago is bipolar, with alleles, A,a, (U.hordei) and a1, a2 (U.violacea) at a single locus. Haploid sporidia maintain the asexual phase by budding, while the sexual phase is initiated by conjugation tube formation between the mating types during budding and conjugation.For observation of budding, sporidia were prepared by culturing the four types on YEG (yeast extract glucose) broth for 24 hours. After centrifugation at 5000g c

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Wipf, Daniel, Mariam Benjdia, Enno Rikirsch, Sabine Zimmermann, Mechthild Tegeder, and Wolf B. Frommer. "An expression cDNA library for suppression cloning in yeast mutants, complementation of a yeast his4 mutant, and EST analysis from the symbiotic basidiomycete Hebeloma cylindrosporum." Genome 46, no. 2 (2003): 177–81. http://dx.doi.org/10.1139/g02-121.

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An oriented expression library was constructed from the mycelia of the symbiotic model fungus Hebeloma cylindrosporum in the high-level yeast expression vector pDR196. DNA sequencing of ~500 expressed sequence tags (ESTs) showed that 15% correspond to known genes, two thirds contain sequences with unknown function, and the remaining 20% showed no significant similarity to any known genes. The ESTs had a GC content between 44 and 56%, with most of them having a GC content of 5254%, which could be correlated with GC contents of fungal genes. The library was successfully used to identify the Heb

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Reich, C., and J. A. Wise. "Evolutionary origin of the U6 small nuclear RNA intron." Molecular and Cellular Biology 10, no. 10 (1990): 5548–52. http://dx.doi.org/10.1128/mcb.10.10.5548-5552.1990.

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U6 is the most conserved of the five small nuclear RNAs known to participate in pre-mRNA splicing. In the fission yeast Schizosaccharomyces pombe, the single-copy gene encoding this RNA is itself interrupted by an intron (T. Tani and Y. Ohshima, Nature (London) 337:87-90, 1989). Here we report analysis of the U6 genes from all four Schizosaccharomyces species, revealing that each is interrupted at an identical position by a homologous intron; in other groups, including ascomycete and basidiomycete fungi, as well as more distantly related organisms, the U6 gene is colinear with the RNA. The mos

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Reich, C., and J. A. Wise. "Evolutionary origin of the U6 small nuclear RNA intron." Molecular and Cellular Biology 10, no. 10 (1990): 5548–52. http://dx.doi.org/10.1128/mcb.10.10.5548.

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U6 is the most conserved of the five small nuclear RNAs known to participate in pre-mRNA splicing. In the fission yeast Schizosaccharomyces pombe, the single-copy gene encoding this RNA is itself interrupted by an intron (T. Tani and Y. Ohshima, Nature (London) 337:87-90, 1989). Here we report analysis of the U6 genes from all four Schizosaccharomyces species, revealing that each is interrupted at an identical position by a homologous intron; in other groups, including ascomycete and basidiomycete fungi, as well as more distantly related organisms, the U6 gene is colinear with the RNA. The mos

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Gómez, Melissa, María Soledad Gutiérrez, Ana María González, et al. "Metallopeptidase Stp1 activates the transcription factor Sre1 in the carotenogenic yeast Xanthophyllomyces dendrorhous." Journal of Lipid Research 61, no. 2 (2019): 229–43. http://dx.doi.org/10.1194/jlr.ra119000431.

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Xanthophyllomyces dendrorhous is a basidiomycete yeast known as a natural producer of astaxanthin, a carotenoid of commercial interest because of its antioxidant properties. Recent studies indicated that X. dendrorhous has a functional SREBP pathway involved in the regulation of isoprenoid compound biosynthesis, which includes ergosterol and carotenoids. SREBP is a major regulator of sterol metabolism and homeostasis in mammals; characterization in fungi also provides information about its role in the hypoxia adaptation response and virulence. SREBP protease processing is required to activate

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Gómez, Melissa, Sebastián Campusano, María Soledad Gutiérrez, et al. "Sterol regulatory element-binding protein Sre1 regulates carotenogenesis in the red yeast Xanthophyllomyces dendrorhous." Journal of Lipid Research 61, no. 12 (2020): 1658–74. http://dx.doi.org/10.1194/jlr.ra120000975.

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Xanthophyllomyces dendrorhous is a basidiomycete yeast that produces carotenoids, mainly astaxanthin. Astaxanthin is an organic pigment of commercial interest due to its antioxidant and coloring properties. X. dendrorhous has a functional SREBP pathway, and the Sre1 protein is the SREBP homolog in this yeast. However, how sterol regulatory element (Sre)1 promotes the biosynthesis of sterols and carotenoids in X. dendrorhous is unknown. In this work, comparative RNA-sequencing analysis between modified X. dendrorhous strains that have an active Sre1 protein and the WT was performed to identify

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Sgarlata, Cecilia, and José Pérez-Martín. "The cdc25 phosphatase is essential for the G2/M phase transition in the basidiomycete yeast Ustilago maydis." Molecular Microbiology 58, no. 5 (2005): 1482–96. http://dx.doi.org/10.1111/j.1365-2958.2005.04925.x.

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Morita, Tomotake, Masaaki Konishi, Tokuma Fukuoka, Tomohiro Imura, and Dai Kitamoto. "Microbial conversion of glycerol into glycolipid biosurfactants, mannosylerythritol lipids, by a basidiomycete yeast, Pseudozyma antarctica JCM 10317T." Journal of Bioscience and Bioengineering 104, no. 1 (2007): 78–81. http://dx.doi.org/10.1263/jbb.104.78.

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Peltenburg, L. T., and C. Murre. "Specific residues in the Pbx homeodomain differentially modulate the DNA-binding activity of Hox and Engrailed proteins." Development 124, no. 5 (1997): 1089–98. http://dx.doi.org/10.1242/dev.124.5.1089.

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Two classes of homeodomain proteins, Hox and Engrailed, have been shown to act in concert with the atypical homeodomain proteins Pbx and extradenticle. We now show that specific residues located within the Pbx homeodomain are essential for cooperative DNA binding with Hox and Engrailed gene products. Within the N-terminal region of the Pbx homeodomain, we have identified a residue that is required for cooperative DNA binding with three Hox gene products but not for cooperativity with Engrailed-2 (En-2). Furthermore, there are similarities between heterodimeric interactions involving the yeast

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Aza, Pablo, Felipe de Salas, Gonzalo Molpeceres, David Rodríguez-Escribano, Iñigo de la Fuente, and Susana Camarero. "Protein Engineering Approaches to Enhance Fungal Laccase Production in S. cerevisiae." International Journal of Molecular Sciences 22, no. 3 (2021): 1157. http://dx.doi.org/10.3390/ijms22031157.

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Laccases secreted by saprotrophic basidiomycete fungi are versatile biocatalysts able to oxidize a wide range of aromatic compounds using oxygen as the sole requirement. Saccharomyces cerevisiae is a preferred host for engineering fungal laccases. To assist the difficult secretion of active enzymes by yeast, the native signal peptide is usually replaced by the preproleader of S. cerevisiae alfa mating factor (MFα1). However, in most cases, only basal enzyme levels are obtained. During directed evolution in S. cerevisiae of laccases fused to the α-factor preproleader, we demonstrated that mutat

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Lee, Soo Chan, Sujal Phadke, Sheng Sun, and Joseph Heitman. "Pseudohyphal Growth of Cryptococcus neoformans Is a Reversible Dimorphic Transition in Response to Ammonium That Requires Amt1 and Amt2 Ammonium Permeases." Eukaryotic Cell 11, no. 11 (2012): 1391–98. http://dx.doi.org/10.1128/ec.00242-12.

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ABSTRACTCryptococcus neoformansis a human-pathogenic basidiomycete that commonly infects HIV/AIDS patients to cause meningoencephalitis (7, 19).C. neoformansgrows as a budding yeast during vegetative growth or as hyphae during sexual reproduction. Pseudohyphal growth ofC. neoformanshas been observed rarely during murine and human infections but frequently during coculture with amoeba; however, the genetics underlying pseudohyphal growth are largely unknown. Our studies found thatC. neoformansdisplays pseudohyphal growth under nitrogen-limiting conditions, especially when a small amount of ammo

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Swann, Eric C., and John W. Taylor. "Phylogenetic perspectives on basidiomycete systematics: evidence from the 18S rRNA gene." Canadian Journal of Botany 73, S1 (1995): 862–68. http://dx.doi.org/10.1139/b95-332.

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Basidiomycete systematics has a history of dramatic change with the introduction of new forms of information. We present a new class level taxonomy for basidiomycetes consisting of the Urediniomycetes emend., Ustilaginomycetes, and Hymenomycetes. The primary source of characters for this analysis is the 18S rRNA gene. Other characters such as cellular carbohydrate composition, major ubiquinone system, 5S rRNA sequence, basidium morphology, and septum and spindle pole body ultrastructure are considered. Comparison of the new class system to other basidiomycete taxonomies is made. Use of 18S seq

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Moyrand, Frédérique, Ingrid Lafontaine, Thierry Fontaine, and Guilhem Janbon. "UGE1 and UGE2 Regulate the UDP-Glucose/UDP-Galactose Equilibrium in Cryptococcus neoformans." Eukaryotic Cell 7, no. 12 (2008): 2069–77. http://dx.doi.org/10.1128/ec.00189-08.

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ABSTRACT The genome of the basidiomycete pathogenic yeast Cryptococcus neoformans carries two UDP-glucose epimerase genes (UGE1 and UGE2). UGE2 maps within a galactose cluster composed of a galactokinase homologue gene and a galactose-1-phosphate uridylyltransferase. This clustered organization of the GAL genes is similar to that in most of the hemiascomycete yeast genomes and in Schizosaccharomyces pombe but is otherwise not generally conserved in the fungal kingdom. UGE1 has been identified as necessary for galactoxylomannan biosynthesis and virulence. Here, we show that UGE2 is necessary fo

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Cronyn, Verschoyle, John Howard, Leslie Chiang, Lisa Le, Zandraetta Tims-Cook, and Alida M. Gertz. "Trichosporon asahii Urinary Tract Infection in a Patient with Severe COVID-19." Case Reports in Infectious Diseases 2021 (December 17, 2021): 1–6. http://dx.doi.org/10.1155/2021/6841393.

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Trichosporon asahii is a yeast-like basidiomycete that is an emerging opportunistic infection in immunocompromised patients. Urinary tract infections due to T. asahii are rarely reported in the literature and typically seen only in immunocompromised patients. In addition to being immunocompromised, critically ill COVID-19 patients often have prolonged exposure to antibiotics, corticosteroids, and Foley catheters, which further increases their susceptibility to infection with T. asahii. There are limited case reports documenting successful treatment of T. asahii among hospitalized patients, par

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Moyrand, Frédérique, Yun C. Chang, Uwe Himmelreich, Kyung J. Kwon-Chung, and Guilhem Janbon. "Cas3p Belongs to a Seven-Member Family of Capsule Structure Designer Proteins." Eukaryotic Cell 3, no. 6 (2004): 1513–24. http://dx.doi.org/10.1128/ec.3.6.1513-1524.2004.

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ABSTRACT The polysaccharide capsule is the main virulence factor of the basidiomycetous yeast Cryptococcus neoformans. Four genes (CAP10, CAP59, CAP60, and CAP64) essential for capsule formation have been previously identified, although their roles in the biosynthetic pathway remain unclear. A genetic and bioinformatics approach allowed the identification of six CAP64-homologous genes, named CAS3, CAS31, CAS32, CAS33, CAS34, and CAS35, in the C. neoformans genome. This gene family is apparently specific in a subclass of the basidiomycete fungi. Single as well as double deletions of these genes

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Snetselaar, K., S. Lee, A. Nguyen, and M. McCann. "Using Microdensitometry and Image Analysis to Study Nuclear Cycle Events in a Plant Pathogenic Fungus." Microscopy and Microanalysis 6, S2 (2000): 686–87. http://dx.doi.org/10.1017/s1431927600035923.

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Determining the length of the various stages of the nuclear cycle and correlating nuclear cycle events with particular aspects of cell morphology generally require the use of autoradiography. The most useful label is tritiated thymidine, because it is incorporated only into DNA. Unfortunately fungi, unlike most other organisms, do not take incorporate thymidine from medium. In the past, microspectrophotometry has been used to study fungal nuclei, but this technique measures nuclei one at a time. Recent advances in image capture and analysis software have made it possible to use the technique o

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Alias, Norsyuhada, Mu’adz Ahmad Mazian, Abu Bakar Salleh, Mahiran Basri, and Raja Noor Zaliha Raja Abd Rahman. "Molecular Cloning and Optimization for High Level Expression of Cold-Adapted Serine Protease from Antarctic Yeast Glaciozyma antarctica PI12." Enzyme Research 2014 (June 30, 2014): 1–20. http://dx.doi.org/10.1155/2014/197938.

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Psychrophilic basidiomycete yeast, Glaciozyma antarctica strain PI12, was shown to be a protease-producer. Isolation of the PI12 protease gene from genomic and mRNA sequences allowed determination of 19 exons and 18 introns. Full-length cDNA of PI12 protease gene was amplified by rapid amplification of cDNA ends (RACE) strategy with an open reading frame (ORF) of 2892 bp, coded for 963 amino acids. PI12 protease showed low homology with the subtilisin-like protease from fungus Rhodosporidium toruloides (42% identity) and no homology to other psychrophilic proteases. The gene encoding mature PI

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Utashima, Yuu, Hirotaka Matsumoto, Kazuo Masaki, and Haruyuki Iefuji. "Heterologous production of horseradish peroxidase C1a by the basidiomycete yeast Cryptococcus sp. S-2 using codon and signal optimizations." Applied Microbiology and Biotechnology 98, no. 18 (2014): 7893–900. http://dx.doi.org/10.1007/s00253-014-5856-7.

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Yan, Zhun, and Jianping Xu. "Mitochondria Are Inherited From the MATa Parent in Crosses of the Basidiomycete Fungus Cryptococcus neoformans." Genetics 163, no. 4 (2003): 1315–25. http://dx.doi.org/10.1093/genetics/163.4.1315.

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Abstract Previous studies demonstrated that mitochondrial DNA (mtDNA) was uniparentally transmitted in laboratory crosses of the pathogenic yeast Cryptococcus neoformans. To begin understanding the mechanisms, this study examined the potential role of the mating-type locus on mtDNA inheritance in C. neoformans. Using existing isogenic strains (JEC20 and JEC21) that differed only at the mating-type locus and a clinical strain (CDC46) that possessed a mitochondrial genotype different from JEC20 and JEC21, we constructed strains that differed only in mating type and mitochondrial genotype. These

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Martínez-López, Cinthya, Melissa Vázquez-Carrada, Oscar Flores-Herrera, Juan Pablo Pardo, Dario Rafael Olicón-Hernández, and Guadalupe Guerra-Sánchez. "Ustilago maydis Yeast Mutant Produces Cytosolic Melanin by Tyrosine-Tyrosinase Activity with Stain Biosorption Capability." Applied Sciences 13, no. 20 (2023): 11288. http://dx.doi.org/10.3390/app132011288.

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Ustilago maydis is a biotrophic basidiomycete fungus that infects corn plants and works as an excellent phytopathogen model, facilitating numerous genetic transformations for studying the mechanisms of plant infection. A random mutation event in the mutant strains designed to investigate the physiological significance of two plasma membrane proton-ATPases in this model resulted in a pigmented phenotype strain. For this study, the FB2 strain and the ΔPMA1 mutant were chosen to assess the pigment, which was confirmed as melanin through thin-layer chromatography, UV, and IR spectrophotometry. The

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Uldschmid, Andreas, Renate Dombi, and Karin Marbach. "Identification and functional expression of ctaA, a P-type ATPase gene involved in copper trafficking in Trametes versicolor." Microbiology 149, no. 8 (2003): 2039–48. http://dx.doi.org/10.1099/mic.0.26177-0.

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Here the identification and characterization of a gene encoding a copper-trafficking enzyme, ctaA (copper-transporting ATPase), from the basidiomycete Trametes versicolor are described. This P-type copper ATPase gene has two alleles, differing primarily in the length of the second, unusually long intron, and encodes a 983 aa protein with 40 % sequence identity to yeast Ccc2p. Overexpression of ctaA in yeast grown in the presence of copper led to a 15-fold increase in laccase yields, while overexpression of ctaA and tahA, a previously identified copper homeostasis gene of T. versicolor, was add

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Hunter, Paul J., Geoff M. Petch, Leo A. Calvo-Bado, et al. "Differences in Microbial Activity and Microbial Populations of Peat Associated with Suppression of Damping-Off Disease Caused by Pythium sylvaticum." Applied and Environmental Microbiology 72, no. 10 (2006): 6452–60. http://dx.doi.org/10.1128/aem.00313-06.

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ABSTRACT The microbiological characteristics associated with disease-suppressive peats are unclear. We used a bioassay for Pythium sylvaticum-induced damping-off of cress seedlings to identify conducive and suppressive peats. Microbial activity in unconditioned peats was negatively correlated with the counts of P. sylvaticum at the end of the bioassay. Denaturing gradient gel electrophoresis (DGGE) profiling and clone library analyses of small-subunit rRNA gene sequences from two suppressive and two conducive peats differed in the bacterial profiles generated and the diversity of sequence popu

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Boro, Marcela Castilho, Ana Lucia de Jesus, José Ivanildo de Souza, Agostina Virginia Marano, and Carmen Lidia Amorim Pires-Zottarelli. "Molecular identification of Pseudozyma aphidis (Henninger & Windisch) Boekhout: first record from a Brazilian mangrove swamp." Hoehnea 44, no. 4 (2017): 599–606. http://dx.doi.org/10.1590/2236-8906-02/2017.

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ABSTRACT (Molecular identification of Pseudozyma aphidis (Henninger & Windisch) Boekhout: first record from a Brazilian mangrove swamp). Pseudozyma aphidis (Henninger & Windisch) Boekhout is an anamorph yeast-like basidiomycete commonly found as saprotroph in vegetable debris, such as leaves and flowers. However, there are also reports that this species is pathogenic in humans, usually occurring in patients with some type of immunosuppression, which predisposes to opportunistic infections. Specimens of P. aphidis were collected from water samples and Rhizophora mangle L. leaves at diff

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Al-Huthaifi, Ammar Mutahar, Bakeel A. Radman, Abdullah Ali Al-Alawi, Fawad Mahmood, and Tong-Bao Liu. "Mechanisms and Virulence Factors of Cryptococcus neoformans Dissemination to the Central Nervous System." Journal of Fungi 10, no. 8 (2024): 586. http://dx.doi.org/10.3390/jof10080586.

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Cryptococcosis is a prevalent fungal infection of the central nervous system (CNS) caused by Cryptococcus neoformans, a yeast with a polysaccharide capsule in the basidiomycete group. Normally, C. neoformans infects the respiratory tract and then breaches the blood–brain barrier (BBB), leading to meningitis or meningoencephalitis, which leads to hundreds of thousands of deaths each year. Although the mechanism by which C. neoformans infiltrates the BBB to invade the brain has yet to be fully understood, research has revealed that C. neoformans can cross the BBB using transcellular penetration,

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Kronstad, Jim, Sanjay Saikia, Erik David Nielson, et al. "Adaptation of Cryptococcus neoformans to Mammalian Hosts: Integrated Regulation of Metabolism and Virulence." Eukaryotic Cell 11, no. 2 (2011): 109–18. http://dx.doi.org/10.1128/ec.05273-11.

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ABSTRACTThe basidiomycete fungusCryptococcus neoformansinfects humans via inhalation of desiccated yeast cells or spores from the environment. In the absence of effective immune containment, the initial pulmonary infection often spreads to the central nervous system to result in meningoencephalitis. The fungus must therefore make the transition from the environment to different mammalian niches that include the intracellular locale of phagocytic cells and extracellular sites in the lung, bloodstream, and central nervous system. Recent studies provide insights into mechanisms of adaptation duri

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Polisetty, Satya Dev, Krishna Bhat, Kuladeep Das, Ivan Clark, Kevin G. Hardwick, and Kaustuv Sanyal. "The dependence of shugoshin on Bub1-kinase activity is dispensable for the maintenance of spindle assembly checkpoint response in Cryptococcus neoformans." PLOS Genetics 21, no. 1 (2025): e1011552. https://doi.org/10.1371/journal.pgen.1011552.

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During chromosome segregation, the spindle assembly checkpoint (SAC) detects errors in kinetochore-microtubule attachments. Timely activation and maintenance of the SAC until defects are corrected is essential for genome stability. Here, we show that shugoshin (Sgo1), a conserved tension-sensing protein, ensures the maintenance of SAC signals in response to unattached kinetochores during mitosis in a basidiomycete budding yeast Cryptococcus neoformans. Sgo1 maintains optimum levels of Aurora B kinase Ipl1 and protein phosphatase 1 (PP1) at kinetochores. The absence of Sgo1 results in the loss

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Timmerman, Michelle M., and Jon P. Woods. "Potential Role for Extracellular Glutathione-Dependent Ferric Reductase in Utilization of Environmental and Host Ferric Compounds by Histoplasma capsulatum." Infection and Immunity 69, no. 12 (2001): 7671–78. http://dx.doi.org/10.1128/iai.69.12.7671-7678.2001.

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ABSTRACT The mammalian host specifically limits iron duringHistoplasma capsulatum infection, and fungal acquisition of iron is essential for productive infection. H. capsulatumexpresses several iron acquisition mechanisms under iron-limited conditions in vitro. These components include hydroxamate siderophores, extracellular glutathione-dependent ferric reductase enzyme, extracellular nonproteinaceous ferric reductant(s), and cell surface ferric reducing agent(s). We examined the relationship between these mechanisms and a potential role for the extracellular ferric reductase in utilization of

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