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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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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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Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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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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[Geohelminths].

Laura Prieto-Pérez1, Ramón Pérez-Tanoira2, Alfonso Cabello-Úbeda1

  • 1División de Enfermedades Infecciosas, Fundación Jiménez Díaz, Quirón Salud, Universidad Autónoma de Madrid, Madrid, España.

Enfermedades Infecciosas Y Microbiologia Clinica
|March 17, 2016
PubMed
Summary

Soil-transmitted helminths infect millions globally, causing significant illness and developmental issues in children. Despite treatment campaigns, re-infestations and drug resistance necessitate continued awareness of these neglected tropical diseases.

Keywords:
BowelIntestinoLarvaParasiteParásitoPobrezaProvertySoilSueloTropicsTrópico

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Area of Science:

  • Global Health
  • Infectious Diseases
  • Parasitology

Background:

  • Soil-transmitted helminths (STH) affect millions in tropical and subtropical regions.
  • These neglected parasites cause debilitating morbidity, including physical and intellectual impairment in children.
  • Widespread migration facilitates the global distribution of STH.

Purpose of the Study:

  • To highlight the persistent global burden of soil-transmitted helminths.
  • To underscore the challenges posed by re-infestations and drug resistance.
  • To emphasize the importance of continued awareness and intervention for STH.

Main Methods:

  • Review of existing literature on STH prevalence and impact.
  • Analysis of the role of international treatment campaigns.
  • Assessment of challenges in STH control, including resistance.

Main Results:

  • STH infections remain a major public health issue, particularly in impoverished areas.
  • Benzimidazole treatments have reduced infection rates but face limitations.
  • Re-infestations and emerging resistance to benzimidazoles are significant concerns.

Conclusions:

  • Despite progress, soil-transmitted helminths continue to cause substantial morbidity and mortality.
  • Effective control requires ongoing vigilance against re-infestation and drug resistance.
  • Increased awareness of these neglected parasites and their consequences is crucial for public health efforts.