Signaling pathways involved in virulence and stress response of plant-pathogenic Fusarium species |
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| Affiliation: | 1. Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary;2. Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032, Debrecen, Hungary;1. Department of Mycology and Algology, Lomonosov Moscow State University, Moscow, 119991, Russia;2. Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 117971, Russia;1. The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing, China;2. United States Department of Agriculture-Agricultural Research Service, Salinas, CA, USA;1. Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, ON K1A 0C6, Canada;2. Carleton University, Department of Biology, 1125 Colonel By Dr., Ottawa, ON K1S 5B6, Canada |
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| Abstract: | Fungal pathogens face similar stress conditions to those affecting plants and saprotrophic fungi. Therefore, mechanisms underlying fungal response to the stress factors may be well-conserved across various taxa. Saccharomyces cerevisiae was the most researched for signal transduction pathways but many of the pathways' components were later reported for filamentous fungi as well. The most widely studied pathways are those involving the G proteins, adenylate cyclase (cAMP) and mitogen-activated protein kinases (MAPKs). Apart from these, the target-of-rapamycin (TOR), calcium/calcineurin and cell wall integrity (CWI) pathways are of significant interest when stress response is considered. All these pathways were included in this review. It seems that the TOR-received signals are transferred to the CWI pathway, secondary metabolism and virulence. Specific and non-specific cellular responses of Fusarium species, triggered by signals received from the environment, were discussed, with particular focus on stress response and pathogenicity towards the plant host. |
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| Keywords: | Plant pathogen Secondary metabolism Signal transduction Stress response |
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