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Related Concept Videos

Microbe-Plant Interactions01:09

Microbe-Plant Interactions

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Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
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Microbial Interactions: Parasitism01:22

Microbial Interactions: Parasitism

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Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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Microbial Interactions: Cooperation01:26

Microbial Interactions: Cooperation

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Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
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Epiphytes, Parasites, and Carnivores02:40

Epiphytes, Parasites, and Carnivores

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Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
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Microbial Interactions: Mutualism01:25

Microbial Interactions: Mutualism

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Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through...
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Symbiosis00:58

Symbiosis

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Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
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Related Experiment Video

Updated: Mar 21, 2026

Author Spotlight: Evaluation of Entomopathogenic Fungi in Wild Monochamus alternatus Populations for Biocontrol Applications in Forest Wood Borers
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Author Spotlight: Evaluation of Entomopathogenic Fungi in Wild Monochamus alternatus Populations for Biocontrol Applications in Forest Wood Borers

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Entomopathogenic Fungi: New Insights into Host-Pathogen Interactions.

T M Butt1, C J Coates1, I M Dubovskiy2

  • 1Swansea University, Swansea, Wales, United Kingdom.

Advances in Genetics
|May 1, 2016
PubMed
Summary
This summary is machine-generated.

Insects and entomopathogenic fungi (EPF) engage in a coevolutionary battle. Understanding these host-pathogen interactions (HPI) reveals insect immunity and fungal strategies for pest management.

Keywords:
Antimicrobial peptidesBioactive synergiesEntomopathogenic fungiFungus–cuticle dynamicsHemocytesHost–pathogen interactionsInnate immunityInsect pathogensMetarhiziumMolecular geneticsMultifunctional proteinsPest managementStress management

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Isolation and Selection of Entomopathogenic Fungi from Soil Samples and Evaluation of Fungal Virulence against Insect Pests
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Area of Science:

  • Insect pathology
  • Molecular immunology
  • Coevolutionary biology

Background:

  • Insects face microbial threats despite robust defenses.
  • Entomopathogenic fungi (EPF) are specialized insect pathogens.
  • Host-pathogen interactions (HPI) drive coevolutionary dynamics.

Purpose of the Study:

  • To review the molecular mechanisms of insect-entomopathogenic fungi interactions.
  • To highlight insect immune responses and fungal counter-adaptations.
  • To explore the role of HPI in integrated pest management.

Main Methods:

  • Literature review of host-pathogen interactions.
  • Analysis of molecular and cellular defense mechanisms.
  • Examination of fungal virulence and immune evasion strategies.

Main Results:

  • EPF utilize insect cuticle properties and evade immune responses.
  • Insects employ hemocytes and macromolecules (lectins, phenoloxidase) against EPF.
  • Synergistic immune bioactives and multifunctional proteins enhance host defense.

Conclusions:

  • Insect immunity involves complex molecular interplay.
  • Understanding HPI can optimize EPF for pest control.
  • Future research can enhance EPF efficacy in integrated pest management.