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Gibberella from A (venaceae) to Z (eae).
1Mycotoxin Research, National Center for Agricultural Utilization Research, USDA, ARS, 1815 North University Street, Peoria, Illinois 61604, USA.
Annual Review of Phytopathology
|March 26, 2003
Summary
Gibberella species, known as Fusarium, are significant plant pathogens. Research is revitalizing their taxonomy, revealing diverse traits and aiding in developing novel disease control strategies.
Area of Science:
- Mycology
- Plant Pathology
- Genetics
Background:
- Gibberella species are destructive plant pathogens, often recognized by their Fusarium anamorph names.
- Taxonomy of Gibberella, first described nearly 200 years ago, is being revitalized through integrated phylogenetic, biological, and morphological approaches.
- This review focuses on twelve agriculturally important sexual Gibberella species, highlighting their phylogenetic, biological, and chemical diversity.
Purpose of the Study:
- To review the phylogenetic, biological, and chemical diversity within agriculturally important Gibberella species.
- To explore the differences in reproductive modes, geographic and host distribution, pathogenesis, and metabolite production among closely related Gibberella species.
- To discuss the potential of genetic and genomic approaches for understanding Gibberella diversity and developing disease control strategies.
Main Methods:
- Review of existing literature on Gibberella taxonomy and diversity.
- Selection of twelve key sexual species representing the genus's diversity.
- Discussion of meiotic and molecular genetic analyses, including upcoming genome sequencing of G. zeae.
Main Results:
- Closely related Gibberella species exhibit significant variation in reproductive strategies, host range, pathogenicity, and toxin production.
- Gibberella species demonstrate amenability to genetic analysis, paving the way for deeper understanding.
- Advancements in genomics, such as gene disruption and expression profiling, are crucial for future research.
Conclusions:
- Understanding the pathological and evolutionary significance of Gibberella's biological and chemical diversity is essential for effective disease management.
- Genomic technologies offer powerful tools to unravel Gibberella diversity and identify novel disease control strategies.
- Continued research into Gibberella species is vital for protecting agricultural crops from these destructive pathogens.