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Related Concept Videos

Infection01:20

Infection

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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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
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Viral Structure00:56

Viral Structure

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Viruses are extraordinarily diverse in shape and size, but they all have several structural features in common. All viruses have a core that contains a DNA- or RNA-based genome. The core is surrounded by a protective coat of proteins called the capsid. The capsid is composed of subunits called capsomeres. The capsid and genome-containing core are together known as the nucleocapsid.
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Adherens Junctions01:24

Adherens Junctions

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Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
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Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Related Experiment Video

Updated: Jun 13, 2025

A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
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Pathogen-associated geometric patterns.

Ming Zheng1

  • 1Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Academy of Military Medical Sciences, 27 Taiping Road, Beijing 100850, China.

Colloids and Surfaces. B, Biointerfaces
|September 15, 2024
PubMed
Summary
This summary is machine-generated.

Pathogen-associated geometric patterns (PAGPs) are conserved microbial signatures that enhance immune recognition and inspire novel vaccine development. These evolutionary structures offer insights into pathogen evolution and host defense strategies.

Keywords:
Homologous structuresImmune responsePathogen-associated geometric patternsThe theory of evolutionTriangulation numberViral capsidVirus-like particles

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Area of Science:

  • Evolutionary biology
  • Microbiology
  • Immunology

Background:

  • Charles Darwin's theory of evolution by natural selection provides a framework for understanding biological structures.
  • Homologous structures in viral capsids exhibit conserved geometric signatures known as pathogen-associated geometric patterns (PAGPs).

Purpose of the Study:

  • To explore the significance of pathogen-associated geometric patterns (PAGPs) in microbial evolution and host immune responses.
  • To investigate the potential of PAGPs as a basis for bioengineered innovations in vaccinology.

Main Methods:

  • Analysis of homologous structures in viral capsids to identify conserved geometric patterns.
  • Review of immunological recognition mechanisms for multivalent antigen displays.
  • Exploration of bioengineering strategies for vaccine development based on natural PAGPs.

Main Results:

  • PAGPs are highly conserved geometric signatures characteristic of microbial classes, reflecting evolutionary convergence.
  • The size and arrangement of multivalent antigen displays within PAGPs enhance immune system recognition.
  • PAGPs elicit robust innate and adaptive immune responses through high-avidity multivalent interactions.

Conclusions:

  • PAGPs are crucial for pathogen evolution and host immune defense.
  • Mimicking natural PAGPs in vaccine design can lead to effective and safe immune activation.
  • PAGPs offer a promising avenue for bioengineered innovations in modern vaccinology.