When your enemy becomes your friend: Evolution of the interaction between fungi and land plants

The FRIENEMIES project aims to uncover the molecular evolution of plant-microbe interactions by studying Trichoderma's contrasting effects on flowering and non-seed plants.

Subsidie
€ 1.499.190
2024

Projectdetails

Introduction

Plants live in close association with microbes, establishing interactions that range from beneficial to detrimental. Molecular plant-microbe interactions have been extensively studied in flowering plants, whereas research in non-seed plant lineages has been hindered by the lack of pathosystems reflecting natural plant-microbe interactions.

Research Findings

My team and I identified the first example of a fungus that establishes opposite interactions with flowering and non-seed plants. We discovered that the fungus Trichoderma, which promotes plant growth, defense, and stress tolerance in flowering plants, is pathogenic for other land plant lineages (non-vascular plants and ferns). This indicates unexpected differences in land plant immunity and fungus behavior.

Project Goals

The overarching goal of our project FRIENEMIES is to decipher the molecular evolution of plant-microbe interactions from pathogenic to beneficial across land plants. In FRIENEMIES, my team and I will:

  1. Characterize the molecular mechanisms involved in disease in non-seed plants using three genetically tractable non-seed model plants (two bryophytes and the C-fern).
  2. Utilize a diversity panel of sequenced Trichoderma strains to identify:
    • Fungal effectors
    • Plant susceptibility and resistance genes
    • Signaling pathways relevant for pathogenic interactions

Methodology

Combining omics, reverse genetics, natural variation, and phylogenetic analyses, we will reveal the conservation of susceptibility/resistance mechanisms in other plant lineages. We aim to determine the emergence of mutualistic interactions between Trichoderma and land plants.

Expected Outcomes

We envision that FRIENEMIES will:

  • Describe fundamental differences in immunity across land plants.
  • Discover potentially novel and conserved molecular mechanisms mediating plant-microbe interactions.
  • Define their evolutionary trajectories.
  • Reveal the key evolutionary switches associated with major innovations in land plants underlying the transition between susceptibility, resistance, and mutualism.

Financiële details & Tijdlijn

Financiële details

Subsidiebedrag€ 1.499.190
Totale projectbegroting€ 1.499.190

Tijdlijn

Startdatum1-10-2024
Einddatum30-9-2029
Subsidiejaar2024

Partners & Locaties

Projectpartners

  • EBERHARD KARLS UNIVERSITAET TUEBINGENpenvoerder

Land(en)

Germany

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