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Diversity of Protists I

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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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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Helminth Collection and Identification from Wildlife
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Selected Wildlife Trematodes.

Matthew G Bolek1, Jillian T Detwiler2, Heather A Stigge3

  • 1Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA. bolek@okstate.edu.

Advances in Experimental Medicine and Biology
|July 15, 2024
PubMed
Summary

Wildlife trematodes are diverse parasites, but their complex taxonomy challenges biological study. This review offers a toolkit for identifying and understanding trematodes in amphibians, birds, and mammals, aiding wildlife health research.

Keywords:
Amphibian parasitesBird and mammal parasitesCryptic speciesLife cyclesTrematodesWildlife

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Area of Science:

  • Parasitology
  • Wildlife Biology
  • Ecology

Background:

  • Trematodes represent a species-rich parasitic group, with over 24,000 estimated species.
  • Complex taxonomy and nomenclature of trematodes impede research into their biology, host use, and pathology.
  • Understanding wildlife trematodes is crucial for assessing host health and ecological interactions.

Purpose of the Study:

  • To provide a comprehensive toolkit for studying wildlife trematodes.
  • To address challenges in the identification and biological understanding of trematodes in wildlife.
  • To facilitate research on trematode host use, life cycles, and pathology in amphibians, birds, and mammals.

Main Methods:

  • Review of existing literature on wildlife trematodes.
  • Focus on trematodes infecting amphibians, birds, and mammals, and their snail intermediate hosts.
  • Case examples illustrating identification and biological study challenges.

Main Results:

  • Identified key taxonomic and nomenclatural complexities hindering trematode research.
  • Highlighted variations in host use and life cycles across different wildlife trematode groups.
  • Presented examples of pathological effects and host-parasite interactions.

Conclusions:

  • A standardized approach and accessible toolkit are needed for effective wildlife trematode study.
  • Overcoming taxonomic hurdles is essential for advancing our knowledge of trematode biology and impact.
  • This review serves as a foundational resource for researchers in wildlife parasitology.