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- Title
Fungal Necrotrophic Interaction: A Case Study of Seed Immune Response to a Seed-Borne Pathogen.
- Authors
Ortega-Cuadros, Mailen; Aligon, Sophie; Arias, Tatiana; Vasco-Palacios, Aída M.; Rosier--Pennevert, Cassandre; Guschinskaya, Natalia; Rolland, Aurélia; Grappin, Philippe
- Abstract
Seeds play a vital role in the perpetuation of plant species, both in natural environments and agriculture. However, they often face challenges from biotic stresses, such as seed-borne pathogenic fungi. The transgenerational transmission of these seed-borne fungi, along with their dissemination during seed commercialization, can contribute to the emergence of global epidemic diseases, resulting in substantial economic losses. Despite the recognized impact of seed-borne pathogens on agriculture, our understanding of seed–pathogen interactions remains limited. This review establishes parallels between the current state of knowledge regarding seed responses to pathogen interactions and well-established plant defense models, primarily derived from typical physiological conditions observed during leaf infections. Examining fragmented results from various pathosystems, this review seeks to offer a comprehensive overview of our current understanding of interactions during seed development and germination. The necrotrophic interactions in Brassicaceae are described using recent transcriptomic and genetic studies focused on the Arabidopsis/Alternaria pathosystem, which illustrates original response pathways in germinating seeds that markedly differ from the general concept of plant–pathogen interactions. The co-existence of regulatory mechanisms affecting both seed resistance and susceptibility, potentially promoting fungal colonization, is examined. The vulnerable response during germination emerges as a crucial consideration in the context of sustainable plant health management in agriculture.
- Subjects
SEED development; ALTERNARIA; IMMUNE response; SEED-borne phytopathogens; PLANT defenses; GERMINATION
- Publication
Seeds (2674-1024), 2024, Vol 3, Issue 2, p216
- ISSN
2674-1024
- Publication type
Article
- DOI
10.3390/seeds3020017