Related Experiment Video

Updated: Jul 1, 2026

Antigen-Capture Enzyme-Linked Immunosorbent Assay for Specific Detection of Mycoplasma pneumoniae
06:04

Antigen-Capture Enzyme-Linked Immunosorbent Assay for Specific Detection of Mycoplasma pneumoniae

Published on: February 24, 2023

Avian mycoplasma and pathogenicity--a review

F T Jordan1

  • 1Sub-Department of Avian Medicine, University of Liverpool Veterinary Field Station, Neston, Wirral, U.K.

Avian Pathology : Journal of the W.V.P.A
|January 1, 1975
PubMed

Insights

Avian mycoplasma strains Mycoplasma gallisepticum, Mycoplasma synoviae, and Mycoplasma meleagridis cause disease in poultry. Factors influencing disease severity and pathogenesis mechanisms are discussed.

Area of Science:

  • Veterinary Microbiology
  • Avian Pathology

Background:

  • Mycoplasma gallisepticum, Mycoplasma synoviae, and Mycoplasma meleagridis are significant avian pathogens.
  • These mycoplasmas cause respiratory and systemic diseases in chickens and turkeys.

Purpose of the Study:

  • To describe the affected tissues and lesions caused by these avian mycoplasma strains.
  • To analyze factors influencing disease production, including host age and infection route.
  • To discuss the pathogenesis mechanisms and virulence determination methods.

Main Methods:

  • Descriptive analysis of affected tissues and observed lesions.
  • Consideration of host-related factors (age, immune status) and pathogen-related factors (virulence, inoculum size).
  • Review of established and potential methods for virulence assessment.

Main Results:

  • Specific tissues and lesions associated with M. gallisepticum, M. synoviae, and M. meleagridis infections detailed.
  • Identified key factors influencing disease severity and outcome.
  • Pathogenesis mechanisms outlined, with a focus on virulence factors.

Conclusions:

  • Understanding the pathogenesis of these avian mycoplasmas is crucial for disease control.
  • Virulence determination methods are essential for risk assessment and management strategies.
  • Integrated approaches considering host and pathogen factors are needed for effective avian mycoplasma management.

More Related Videos

Identification of Virulence Markers of Mycobacterium abscessus for Intracellular Replication in Phagocytes08:34

Identification of Virulence Markers of Mycobacterium abscessus for Intracellular Replication in Phagocytes

Published on: September 27, 2018

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos10:38

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos

Published on: September 9, 2015

Related Concept Videos

Atypical Pneumonia01:14

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...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

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...
Synthetic Biology02:55

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Determinants of Bacterial Pathogenicity and Virulence01:20

Determinants of Bacterial Pathogenicity and Virulence

Pathogenic bacteria employ a variety of strategies to establish infections, including the secretion of extracellular enzymes that act as potent virulence factors. These enzymes facilitate bacterial colonization of host tissues and help evade immune surveillance. By targeting structural components of host tissues and interfering with immune mechanisms, these enzymes play a pivotal role in disease progression.Extracellular Enzymes Facilitating Tissue Invasion: Several bacterial pathogens secrete...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...