Related Experiment Video
Updated: Mar 29, 2026
12:23
Analysis of Yersinia enterocolitica Effector Translocation into Host Cells Using Beta-lactamase Effector Fusions
Published on: October 13, 2015
9.0K
Yersinia versus host immunity: how a pathogen evades or triggers a protective response
Lawton K Chung1, James B Bliska1
1Department of Molecular Genetics and Microbiology and Center for Infectious Diseases, Stony Brook University, Stony Brook, NY 11794-5120, United States.
Current Opinion in Microbiology
|December 7, 2015
Summary
Pathogenic Yersinia bacteria cause significant disease by disrupting host cell death and inflammation. Understanding these Yersinia pathogenesis mechanisms and host immune responses is crucial for developing effective treatments.
Area of Science:
- Microbiology
- Immunology
- Pathogenesis
Background:
- Pathogenic Yersinia species are significant causes of human morbidity and mortality.
- The intricate mechanisms of Yersinia pathogenesis and host defense are not fully understood.
- Yersinia infections involve disruption of host cell death, inflammation, and immune cell manipulation.
Purpose of the Study:
- To review current understanding of Yersinia interactions with host cells.
- To highlight advances in understanding protective host responses against Yersinia.
- To elucidate the complex interplay between Yersinia and the host immune system.
Main Methods:
- Literature review of recent studies on Yersinia pathogenesis.
- Analysis of host-pathogen interactions at the cellular and immune level.
- Synthesis of current knowledge on innate and adaptive immune responses.
Main Results:
- Yersinia actively manipulates host cell death pathways.
- Pathogenic Yersinia perturbs inflammatory processes to promote infection.
- Host immune systems coordinate innate and adaptive responses to control Yersinia replication.
Conclusions:
- Advances in understanding Yersinia pathogenesis reveal sophisticated bacterial strategies.
- Host immune responses represent a dynamic battle against Yersinia infection.
- Further research is needed to fully comprehend host-pathogen dynamics for therapeutic development.
Related Concept Videos
01:31Defense Against Bacterial Pathogens
3.5K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
3.5K
01:25Colonisation of Pathogens
31
Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
31
01:36Humoral Immune Responses
86.1K
Overview
86.1K
01:29Immune Response Against Viral Pathogens
2.5K
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
2.5K
01:28Regulation of Bacterial Virulence
26
Pathogenic bacteria employ a range of regulatory mechanisms to modulate the expression of virulence genes in response to environmental and host-derived signals. These mechanisms ensure that virulence factors are expressed only under favorable conditions, thereby optimizing infection and survival strategies.Mechanisms of Virulence RegulationKey regulatory strategies include:Two-Component Systems: These consist of a membrane-bound sensor kinase and a cytoplasmic response regulator. Environmental...
26
01:26Defense Mechanism Against Infection
11.0K
Natural flora, body system defenses, and inflammation are natural barriers of the body against infectious agents regardless of previous exposure. Normal floras of the human body refer to the microbial population that colonizes the skin and mucous membranes.
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
11.0K