Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diversity of Protists I01:15

Diversity of Protists I

2.2K
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...
2.2K
Diversity of Protists II01:27

Diversity of Protists II

2.2K
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...
2.2K
Diversity of Protists III01:27

Diversity of Protists III

2.0K
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
2.0K
Diversity of Protists IV01:27

Diversity of Protists IV

2.1K
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...
2.1K
Bacterial Phylum Tenericutes01:24

Bacterial Phylum Tenericutes

584
The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
584
Bacterial Phylum Spirochaetes01:30

Bacterial Phylum Spirochaetes

1.2K
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
1.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Temporal and spatial patterns of <i>Trichuris trichiura</i> eggs: a potential threat to human health in Pakistan.

Helminthologia·2024
Same author

The Alpha-Gal Syndrome is Underdiagnosed.

Actas dermo-sifiliograficas·2023
Same author

The alpha-Gal Syndrome is Underdiagnosed.

Actas dermo-sifiliograficas·2023
Same author

Assessing the risks of SARS-CoV-2 in wildlife.

One health outlook·2021
Same author

Corrigendum to "Peripheral blood monocyte counts are elevated in the pre-diagnostic phase of pancreatic cancer: A population based study" [Pancreatology. 19 (8) 2019 1043-1048].

Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]·2020
Same author

Factors associated with sepsis development in 606 Spanish adult patients with cellulitis.

BMC infectious diseases·2020

Related Experiment Video

Updated: Mar 29, 2026

Author Spotlight: Understanding the Propagation of Closed Circular Extrachromosomal rDNA Containing Element (CERE) in Naegleria gruberi
06:55

Author Spotlight: Understanding the Propagation of Closed Circular Extrachromosomal rDNA Containing Element (CERE) in Naegleria gruberi

Published on: June 21, 2024

1.0K

The genus Anaplasma: new challenges after reclassification.

K M Kocan, J de la Fuente, A Cabezas-Cruz

    Revue Scientifique Et Technique (International Office of Epizootics)
    |November 26, 2015
    PubMed
    Summary

    Anaplasma pathogens, including Anaplasma marginale and Anaplasma phagocytophilum, exhibit significant strain diversity. Understanding this diversity is crucial for developing effective diagnostic and control strategies for anaplasmosis.

    More Related Videos

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
    06:34

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS

    Published on: July 11, 2016

    21.0K
    Discovery of New Intracellular Pathogens by Amoebal Coculture and Amoebal Enrichment Approaches
    09:04

    Discovery of New Intracellular Pathogens by Amoebal Coculture and Amoebal Enrichment Approaches

    Published on: October 27, 2013

    15.1K

    Related Experiment Videos

    Last Updated: Mar 29, 2026

    Author Spotlight: Understanding the Propagation of Closed Circular Extrachromosomal rDNA Containing Element (CERE) in Naegleria gruberi
    06:55

    Author Spotlight: Understanding the Propagation of Closed Circular Extrachromosomal rDNA Containing Element (CERE) in Naegleria gruberi

    Published on: June 21, 2024

    1.0K
    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
    06:34

    Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS

    Published on: July 11, 2016

    21.0K
    Discovery of New Intracellular Pathogens by Amoebal Coculture and Amoebal Enrichment Approaches
    09:04

    Discovery of New Intracellular Pathogens by Amoebal Coculture and Amoebal Enrichment Approaches

    Published on: October 27, 2013

    15.1K

    Area of Science:

    • Veterinary Microbiology
    • Infectious Diseases
    • Rickettsiales

    Background:

    • Anaplasma are obligate intracellular pathogens belonging to the Anaplasmataceae family, transmitted by ticks.
    • A 2001 reclassification expanded the Anaplasma genus, incorporating Ehrlichia species and altering host specificity and pathogen characteristics.
    • The genus now includes diverse organisms like Anaplasma marginale and Anaplasma phagocytophilum, with distinct host preferences and tick vectors.

    Purpose of the Study:

    • To review the two most significant Anaplasma pathogens: Anaplasma marginale (bovine anaplasmosis) and Anaplasma phagocytophilum (tick-borne fever and human granulocytic anaplasmosis).
    • To highlight the challenges and insights gained from reclassification and molecular analysis of Anaplasma species.

    Main Methods:

    • Comparative analysis of Anaplasma marginale and Anaplasma phagocytophilum.
    • Review of phylogenetic studies and molecular analyses focusing on major surface proteins (MSPs).
    • Evaluation of serologic test specificity in relation to conserved MSPs.

    Main Results:

    • Significant strain diversity exists within both Anaplasma marginale and Anaplasma phagocytophilum, exceeding previous recognition.
    • Major surface proteins (MSPs) are valuable for phylogenetic studies and strain identification.
    • Highly conserved MSPs can impact the specificity of diagnostic serologic tests.

    Conclusions:

    • Reclassification and molecular analyses provide critical insights into Anaplasma biology.
    • Understanding pathogen diversity is essential for improving diagnostic accuracy and developing effective control strategies for anaplasmosis in animals and humans.