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Related Concept Videos

Fungal Group Zygomycota01:29

Fungal Group Zygomycota

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Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
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Fungal Phylum Microsporidia01:28

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Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Fungal Phylum Basidiomycota01:26

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Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Related Experiment Video

Updated: Dec 29, 2025

Toxoplasma gondii Cyst Wall Formation in Activated Bone Marrow-derived Macrophages and Bradyzoite Conditions
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Blastomycosis.

Ilan S Schwartz1, Carol A Kauffman2

  • 1Division of Infectious Diseases, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.

Seminars in Respiratory and Critical Care Medicine
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Summary
This summary is machine-generated.

Blastomycosis is a fungal disease caused by the *Blastomyces* genus. This summary covers its diversity, diagnosis, and treatment options for various forms of the infection.

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Area of Science:

  • Mycology
  • Infectious Diseases
  • Mammalian Pathology

Background:

  • Blastomycosis is a serious mammalian disease caused by *Blastomyces* fungi.
  • Pathogen diversity is greater than previously understood, with *B. dermatitidis*, *B. gilchristii*, *B. helicus*, and *B. percursus* identified.
  • Infection occurs via inhalation of conidia, leading to yeast-phase transformation in the lungs and potential hematogenous dissemination.

Purpose of the Study:

  • To provide a comprehensive overview of Blastomycosis.
  • To highlight the genetic and geographic diversity of *Blastomyces* species.
  • To detail the clinical manifestations, diagnostic approaches, and therapeutic strategies for Blastomycosis.

Main Methods:

  • Literature review of *Blastomyces* epidemiology, pathogenesis, clinical presentation, diagnosis, and treatment.
  • Analysis of diagnostic methods including culture, histopathology, and antigen detection.
  • Review of current treatment guidelines and antifungal agents.

Main Results:

  • Blastomycosis presents diverse clinical forms, from self-limited pulmonary disease to severe, disseminated infections affecting skin and other organs.
  • Diagnosis relies on fungal culture, with rapid presumptive diagnosis possible via histopathology or antigen detection in urine/serum.
  • Treatment varies based on disease severity, CNS involvement, and host immune status, utilizing amphotericin B, itraconazole, voriconazole, and posaconazole.

Conclusions:

  • Blastomycosis is a significant public health concern with diverse clinical and etiological profiles.
  • Accurate diagnosis and appropriate, timely treatment are crucial for managing this potentially fatal fungal infection.
  • Continued research into *Blastomyces* diversity and pathogenesis will inform improved diagnostic and therapeutic strategies.