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Bacteria

Research Uncovers Complex Interactions Between Insects and Microorganisms

Strategic Insights

— 2 min read

A new study has shed light on the intricate relationships between insects and microorganisms in natural ecosystems. Researchers at Jagiellonian University, in collaboration with others, investigated the interactions between entomopathogenic fungi in the genus Entomophthora and their dipteran hosts in South Greenland. The team employed a novel approach, sequencing insect, fungal, and bacterial marker gene amplicons simultaneously, to dissect the interactions between the fungi and their hosts. Their findings reveal a rich diversity of Entomophthora genotypes, with some showing strong host-specificity patterns, and significant differences in bacterial community composition among fungus-killed fly species and sampling sites.

Key Takeaways:

  • The research focused on the interactions between entomopathogenic fungi in the genus Entomophthora and their dipteran hosts in South Greenland, with a total of nine collected dipteran species.
  • The study employed multi-target amplicon sequencing to analyze the interactions among Entomophthora, their dipteran hosts, and associated bacteria.
  • The researchers identified multiple Entomophthora genotypes, with strong but not perfect patterns of host-specificity across the five targeted marker regions.
  • The study found consistent differences in bacterial community composition among fungus-killed fly species and sampling sites.
  • The research significantly expands the knowledge of Entomophthora diversity and host associations, and provides the first insights into associated bacteria and their potential roles.
  • The study's findings highlight the potential of multi-target amplicon sequencing as a powerful tool for addressing broad questions about biological interactions in diverse natural communities.
  • The research was supported by the Polish National Agency for Academic Exchange (NAWA) and the Polish National Science Centre.
  • The study's authors include Zuzanna Ploszka, Karol H. Nowak, Marta Tischer, Michal R. Kolasa, Piotr Lukasik, and Anna Michalik.
  • The research aims to contribute to a better understanding of the complex interactions between insects and microorganisms in natural ecosystems.

Statistics:

  • The study analyzed 9 collected dipteran species in South Greenland.
  • The researchers identified 5 targeted marker regions with strong patterns of host-specificity.
  • The study found significant differences in bacterial community composition among fungus-killed fly species and sampling sites.
  • The research has substantially expanded the knowledge of Entomophthora diversity and host associations.
  • The study is among the first to investigate the interactions between entomopathogenic fungi and their associated bacteria in natural ecosystems.

Sources:

  • Dissecting Multitrophic Interactions: the Relationships Among Entomophthora, Their Dipteran Hosts, and Associated Bacteria. Journal of Invertebrate Pathology, 2025;213.
  • Jagiellonian University, Institute for Environmental Sciences, Faculty of Biology, Krakow, Poland.
  • Polish National Agency for Academic Exchange (NAWA).
  • Polish National Science Centre.
  • Elsevier - www.elsevier.com; Journal of Invertebrate Pathology - www.journals.elsevier.com/journal-of-invertebrate-pathology/.

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