58 results found
    1. Microbiology and Infectious Disease

    Genetic basis for coordination of meiosis and sexual structure maturation in Cryptococcus neoformans

    Linxia Liu, Guang-Jun He ... Linqi Wang
    Meiosis and differentiation of basidium, a defining sexual structure of the phylum Basidiomycota, are genetically integrated by a shared regulatory program to ensure the formation of infectious meiospores in Cryptococcus neoformans.
    1. Medicine
    2. Microbiology and Infectious Disease

    An open label randomized controlled trial of tamoxifen combined with amphotericin B and fluconazole for cryptococcal meningitis

    Nguyen Thi Thuy Ngan, Nhat Thanh Hoang Le ... Jeremy N Day
    Despite evidence of significant anti-cryptococcal activity in vitro and animal models, including synergy with other antifungal agents, high-dose tamoxifen has no impact on cerebrospinal fluid sterilization in cryptococcal meningitis.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Obligate sexual reproduction of a homothallic fungus closely related to the Cryptococcus pathogenic species complex

    Andrew Ryan Passer, Shelly Applen Clancey ... Marco A Coelho
    A novel form of self-fertility evolved in Cryptococcus depauperatus, a close relative to the human pathogenic Cryptococcus species, in which sexual development is attained by self-signaling of a cognate pheromone and pheromone-receptor pair.
    1. Microbiology and Infectious Disease

    Natural mismatch repair mutations mediate phenotypic diversity and drug resistance in Cryptococcus deuterogattii

    R Blake Billmyre, Shelly Applen Clancey, Joseph Heitman
    Eukaryotic pathogens, like Cryptococcus deuterogattii, can use elevated mutation rates to more rapidly adapt to stresses, such as drug challenges, but at the cost of lower fitness in less stressful environments.
    1. Microbiology and Infectious Disease

    Interplay between acetylation and ubiquitination of imitation switch chromatin remodeler Isw1 confers multidrug resistance in Cryptococcus neoformans

    Yang Meng, Yue Ni ... Chen Ding
    Isw1 acts as a master regulator in modulating the expression of drug-resistance genes, and this regulatory mechanism is dependent on the interaction of Isw1 acetylation and ubiquitination.
    1. Chromosomes and Gene Expression

    Centromere deletion in Cryptococcus deuterogattii leads to neocentromere formation and chromosome fusions

    Klaas Schotanus, Joseph Heitman
    Centromere deletion in Cryptococcus deuterogattii results in neocentromeres, which span actively expressed genes and at elevated temperatures cen10∆ mutants are unstable leading to chromosome fusion and silencing of the neocentromere.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    The RAM signaling pathway links morphology, thermotolerance, and CO2 tolerance in the global fungal pathogen Cryptococcus neoformans

    Benjamin J Chadwick, Tuyetnhu Pham ... Xiaorong Lin
    In the fungal pathogen Cryptococcus neoformans, the RAM pathway, potentially through post-transcriptional regulation, plays an essential role in adaptation to host temperature and CO2.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Uniparental nuclear inheritance following bisexual mating in fungi

    Vikas Yadav, Sheng Sun, Joseph Heitman
    Discovery of a novel mode of sexual reproduction, termed pseudosexual reproduction, in fungi where both parents are required for mating but only one contributes to the meiotic progeny, similar to hybridogenesis in animals.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Synergistic and antagonistic drug interactions in the treatment of systemic fungal infections

    Morgan A Wambaugh, Steven T Denham ... Jessica CS Brown
    Identification and exploitation of interactions between the antifungal drug fluconazole and FDA- approved drugs has the potential to improve treatment for patients with difficult-to-treat systemic fungal infections.

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