Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Bacterial Phylum Spirochaetes

Bacterial Phylum Spirochaetes

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 by a...

Streptococcal Pharyngitis

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...

Diphtheria

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...

Bacterial Phylum Tenericutes

Bacterial Phylum Tenericutes

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...

Diversity of Protists II

Diversity of Protists II

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...

Atypical Pneumonia

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...

You might also read

Related Articles

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

Sort by

Same author

Anthropogenic Impacts on Coral-Algal Interactions of the Subtropical Lagoonal Reef, Norfolk Island.

Integrative organismal biology (Oxford, England)·2025

Same author

Prehabilitation of Patients With Oesophageal Malignancy Undergoing Peri-Operative Treatment (Pre-EMPT): Outcomes From a Prospective Controlled Trial.

Journal of surgical oncology·2025

Same author

Modeling Hydrogen Markets: Energy System Model Development Status and Decarbonization Scenario Results.

Energy and climate change·2025

Same author

Association between inflammation and post-intensive care syndrome: a systematic review.

Anaesthesia·2024

Same author

The circumstances in which recurrent laryngeal nerve palsy occurs after surgery for benign thyroid disease: a retrospective study of 1026 patients.

The Journal of laryngology and otology·2021

Same author

The promise of layer-specific neuroimaging for testing predictive coding theories of psychosis.

Schizophrenia research·2020

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

Constructing Mutants in Serotype 1 Streptococcus pneumoniae strain 519/43

Constructing Mutants in Serotype 1 Streptococcus pneumoniae strain 519/43

Published on: September 11, 2020

A case of duplicitous diplococci.

M Raychaudhuri¹, A Peall, C Page

¹Department of Genitiourinary Medicine, Cardiff Royal Infirmary, Cardiff CF24 0SZ, UK. rcmalini@yahoo.co.uk

Sexually Transmitted Infections

|October 15, 2009

Summary

Disseminated gonococcal infection (DGI) is rare but more common in women. This case highlights how a lupus flare can mask DGI symptoms, emphasizing the need for careful diagnosis in patients with systemic lupus erythematosus.

Area of Science:

Immunology
Infectious Diseases
Rheumatology

Background:

Disseminated gonococcal infection (DGI) is a rare complication of Neisseria gonorrhoeae infection.
DGI occurs more frequently in women and can be associated with complement deficiencies.
Systemic lupus erythematosus (SLE) can predispose individuals to infections, including gonococcal bacteremia.

Observation:

A case of DGI is presented in a patient with a history of SLE.
The initial presentation of DGI was obscured by an active lupus flare.
This diagnostic challenge highlights the complexity of co-existing conditions.

Findings:

The patient presented with symptoms that mimicked a lupus flare but was ultimately diagnosed with DGI.
Complement deficiencies, either inherited or episodic, are key risk factors for DGI, especially in the context of autoimmune diseases like SLE.

More Related Videos

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

Microsatellite DNA Genotyping and Flow Cytometry Ploidy Analyses of Formalin-fixed Paraffin-embedded Hydatidiform Molar Tissues

Microsatellite DNA Genotyping and Flow Cytometry Ploidy Analyses of Formalin-fixed Paraffin-embedded Hydatidiform Molar Tissues

Published on: October 20, 2019

Related Experiment Videos

Last Updated: Jun 19, 2026

Constructing Mutants in Serotype 1 Streptococcus pneumoniae strain 519/43

Constructing Mutants in Serotype 1 Streptococcus pneumoniae strain 519/43

Published on: September 11, 2020

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

Microsatellite DNA Genotyping and Flow Cytometry Ploidy Analyses of Formalin-fixed Paraffin-embedded Hydatidiform Molar Tissues

Microsatellite DNA Genotyping and Flow Cytometry Ploidy Analyses of Formalin-fixed Paraffin-embedded Hydatidiform Molar Tissues

Published on: October 20, 2019

Prompt recognition and treatment of DGI are crucial to prevent severe complications.

Implications:

This case underscores the importance of considering DGI in patients with SLE experiencing flares, even when symptoms overlap.
Clinicians should maintain a high index of suspicion for DGI in SLE patients presenting with suggestive symptoms.
Understanding the interplay between autoimmune conditions and infectious diseases is vital for effective patient management.