Beyond the genomes of Fulvia fulva (syn. Cladosporium fulvum) and Dothistroma septosporum: New insights into how these fungal pathogens interact with their host plants

Fulvia fulva and Dothistroma septosporum are closely related apoplastic pathogens with similar lifestyles but different hosts: F. fulva is a pathogen of tomato, whilst D. septosporum is a pathogen of pine trees. In 2012, the first genome sequences of these pathogens were published, with F. fulva and...

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Published in:Molecular plant pathology 2023-05, Vol.24 (5), p.474-494
Main Authors: Mesarich, Carl H., Barnes, Irene, Bradley, Ellie L., Rosa, Silvia, Wit, Pierre J. G. M., Guo, Yanan, Griffiths, Scott A., Hamelin, Richard C., Joosten, Matthieu H. A. J., Lu, Mengmeng, McCarthy, Hannah M., Schol, Christiaan R., Stergiopoulos, Ioannis, Tarallo, Mariana, Zaccaron, Alex Z., Bradshaw, Rosie E.
Format: Article
Language:English
Subjects:
Blight
Cell surface
Chromosomes
Colonization
Comparative analysis
Dothistroma needle blight (DNB)
Dothistroma septosporum
effector proteins
Gene sequencing
Genes
Genetic diversity
genome sequences
Genomes
Host plants
host susceptibility and resistance
Immune system
Metabolites
Needle blight
Northern Hemisphere
pathogen diversity
Pathogens
Pine needles
Pine trees
Proteins
Receptors
Review
Reviews
Secondary metabolites
Synteny
tomato leaf mould
Tomatoes
Virulence factors
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Summary:Fulvia fulva and Dothistroma septosporum are closely related apoplastic pathogens with similar lifestyles but different hosts: F. fulva is a pathogen of tomato, whilst D. septosporum is a pathogen of pine trees. In 2012, the first genome sequences of these pathogens were published, with F. fulva and D. septosporum having highly fragmented and near‐complete assemblies, respectively. Since then, significant advances have been made in unravelling their genome architectures. For instance, the genome of F. fulva has now been assembled into 14 chromosomes, 13 of which have synteny with the 14 chromosomes of D. septosporum, suggesting these pathogens are even more closely related than originally thought. Considerable advances have also been made in the identification and functional characterization of virulence factors (e.g., effector proteins and secondary metabolites) from these pathogens, thereby providing new insights into how they promote host colonization or activate plant defence responses. For example, it has now been established that effector proteins from both F. fulva and D. septosporum interact with cell‐surface immune receptors and co‐receptors to activate the plant immune system. Progress has also been made in understanding how F. fulva and D. septosporum have evolved with their host plants, whilst intensive research into pandemics of Dothistroma needle blight in the Northern Hemisphere has shed light on the origins, migration, and genetic diversity of the global D. septosporum population. In this review, we specifically summarize advances made in our understanding of the F. fulva–tomato and D. septosporum–pine pathosystems over the last 10 years. In this review we summarize advances from the last decade in understanding the molecular basis of how the closely related fungal pathogens Fulvia fulva and Dothistroma septosporum interact with their respective tomato and pine hosts.
ISSN:1464-6722
1364-3703
DOI:10.1111/mpp.13309