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Immune surveillance on the insect body surface recognizes a pathogen-derived fungal protease to activate defenses.

Nature communications·2026
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The bHLHzip-type transcription factor, <i>MaHpa3</i>, regulates conidial rodlet formation and cell surface hydrophobicity in the insect fungal pathogen <i>Metarhizium acridum</i>.

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<i>MaCsbD</i> Mediates Thermotolerance and UV-B Resistance in <i>Metarhizium acridum</i> by Regulating DNA Repair, Antioxidant Defense, and Protective Metabolites.

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Microbiological control for mosquito larvae: Current progress and applications.

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Transcription Factor MaHMG, the High-Mobility Group Protein, Is Implicated in Conidiation Pattern Shift and Stress Tolerance in <i>Metarhizium acridum</i>.

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Related Experiment Video

Updated: Jun 11, 2026

Development of Metarhizium anisopliae as a Mycoinsecticide: From Isolation to Field Performance
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Host-Pathogen Interactions between Metarhizium spp. and Locusts.

Jun Li1,2,3, Yuxian Xia1,2,3

  • 1Genetic Engineering Research Center, School of Life Sciences, Chongqing University, Chongqing 401331, China.

Journal of Fungi (Basel, Switzerland)
|June 23, 2022
PubMed
Summary

This review details Metarhizium fungus interactions with locusts, exploring fungal pathogenicity and locust immune responses. Understanding these host-pathogen dynamics aids in developing novel pest control strategies.

Keywords:
Metarhiziumimmune responselocustpathogenicity

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Area of Science:

  • Entomology
  • Mycology
  • Immunology

Background:

  • Research on Metarhizium spp. and locust interactions has advanced understanding of fungal infection and host immunity.
  • While fungal pathogenicity pathways are explored, systematic surveys of Metarhizium-locust interactions are lacking.

Purpose of the Study:

  • To systematically review and summarize crucial pathways regulating Metarhizium pathogenesis and locust immune defense.
  • To provide a foundation for engineering entomopathogenic fungi and discovering insecticidal targets.

Main Methods:

  • Literature review and synthesis of existing research on Metarhizium pathogenesis.
  • Analysis of locust immune responses, including humoral and cellular immunity.
  • Exploration of regulatory pathways for fungal development and host defense.

Main Results:

  • Metarhizium pathogenesis involves conidial attachment, germination, appressorial formation, and colonization.
  • Locust immunity involves humoral responses (Toll pathway, ecdysone) and cellular immunity.
  • Fungal factors (hydrophobins, chitin) and host factors (behavioral fever, population immunity) influence infection outcomes.

Conclusions:

  • A comprehensive understanding of Metarhizium-locust interactions is crucial for effective pest management.
  • Insights gained can guide the development of improved biocontrol agents and novel insecticides.
  • Further research is needed to elucidate mechanisms like hemocyte differentiation and migration.