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Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
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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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Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
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Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
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Phenotypic Analysis of Rodent Malaria Parasite Asexual and Sexual Blood Stages and Mosquito Stages
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Unexpected parasitosis.

M Vaccaro1, J Lotti2, M Fioranelli2

  • 1Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.

Journal of Biological Regulators and Homeostatic Agents
|July 14, 2017
PubMed
Summary
This summary is machine-generated.

Human trombiculiasis, caused by the larval stage of Neotrombicula autumnalis mites, is an underestimated parasitic infestation. This case highlights the importance of recognizing its subtle skin signs for proper diagnosis and management.

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Area of Science:

  • Zoology
  • Parasitology
  • Dermatology

Background:

  • Neotrombicula autumnalis are soil-dwelling arthropods parasitizing animals in their larval stage.
  • Multiple annual life cycles are possible, influenced by climate.
  • Human infestation is often overlooked due to non-specific skin symptoms.

Purpose of the Study:

  • To describe a case of human trombiculiasis.
  • To discuss the diagnostic and therapeutic approaches for this condition.

Main Methods:

  • Case report presentation.
  • Literature review on Neotrombicula autumnalis infestations.

Main Results:

  • A case of human trombiculiasis was identified.
  • The discussion covers diagnostic challenges and treatment strategies.

Conclusions:

  • Human trombiculiasis is a potentially underdiagnosed dermatosis.
  • Prompt recognition and management are crucial for affected individuals.