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Related Concept Videos

Candidiasis01:20

Candidiasis

Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
Fungal Group Zygomycota01:29

Fungal Group Zygomycota

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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Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...
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Fungal Phylum Ascomycota

Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
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Fungal Phylum Basidiomycota

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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Leishmaniasis is a protozoal disease caused by species of the genus Leishmania and transmitted through the bite of infected female sandflies. The parasite exists in two principal morphological forms during its life cycle. A sandfly acquires intracellular amastigotes from an infected reservoir host, such as a dog. Within the sandfly, these forms differentiate into motile, flagellated promastigotes. During a subsequent blood meal, promastigotes are injected into the human host, where they...

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Sexual Crosses with the Mucoromycete Phycomyces blakesleeanus
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[Chromomycosis in Guadeloupe].

J Levang1, P Muller, A Marreel

  • 1Service de dermatologie, CHU St-Jacques, 25030 Besançon cedex, France. julienlevang@yahoo.fr

Annales De Dermatologie Et De Venereologie
|March 18, 2008
PubMed
Summary
This summary is machine-generated.

Chromomycosis, a fungal infection, is present in Guadeloupe, with Fonsecaea pedrosoi being the primary species identified. Treatment challenges in tropical regions were highlighted.

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Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Dermatology

Context:

  • Chromomycosis is a neglected subcutaneous fungal infection prevalent in tropical and subtropical areas.
  • Its incidence in the West Indies, specifically Guadeloupe, remains poorly documented.
  • Transmission occurs through skin inoculation from plant matter or wood.

Purpose:

  • To investigate the epidemiological and clinical characteristics of chromomycosis cases in Guadeloupe.
  • To identify the etiological agent responsible for chromomycosis in the region.
  • To evaluate treatment outcomes and challenges in a tropical setting.

Summary:

  • A retrospective study identified five cases of chromomycosis in Guadeloupe between 1995 and 2005.
  • Fonsecaea pedrosoi was the sole fungal species identified, confirmed by histopathology showing sclerotic cells.
  • Patients presented with nodular or verrucous lesions, primarily on the upper limbs; treatment outcomes were poor, with only two of five patients cured.

Impact:

  • Confirms Guadeloupe as a reservoir for chromomycosis, with Fonsecaea pedrosoi being endemic.
  • Underscores the therapeutic difficulties and limited treatment success for chromomycosis in tropical healthcare settings.
  • Highlights the need for increased awareness and improved management strategies for this neglected fungal infection.