Pathogen profile update: Fusarium oxysporum
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TLDR
More than 120 different formae speciales have been identified based on specificity to host species belonging to a wide range of plant families as mentioned in this paper, which can cause severe losses in many vegetables and flowers, field crops, such as cotton, and plantation crops such as banana, date palm and oil palm.Abstract:
Taxonomy: Kingdom Fungi; Phylum Ascomycota; Class Sordariomycetes; Order Hypocreales; Family Nectriaceae; genus Fusarium. Host range: Very broad at the species level. More than 120 different formae speciales have been identified based on specificity to host species belonging to a wide range of plant families. Disease symptoms: Initial symptoms of vascular wilt include vein clearing and leaf epinasty, followed by stunting, yellowing of the lower leaves, progressive wilting, defoliation and, finally, death of the plant. On fungal colonization, the vascular tissue turns brown, which is clearly visible in cross-sections of the stem. Some formae speciales are not primarily vascular pathogens, but cause foot and root rot or bulb rot. Economic importance: Can cause severe losses in many vegetables and flowers, field crops, such as cotton, and plantation crops, such as banana, date palm and oil palm. Control: Use of resistant varieties is the only practical measure for controlling the disease in the field. In glasshouses, soil sterilization can be performed. Useful websites: http://www.broad.mit.edu/annotation/genome/fusarium_group/MultiHome.html; http://www.fgsc.net/Fusarium/fushome.htm; http://www.phi-base.org/query.phpread more
Citations
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Insertional mutagenesis in the vascular wilt pathogen Verticillium dahliae
TL;DR: It is demonstrated that V. dahliae Sge1 (VdSge1) is required for radial growth and production of asexual conidiospores, and it is furthermore shown that VdSGE1 deletion strains have lost pathogenicity on tomato.
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Phosphorus Recycling, Biocontrol, and Growth Promotion Capabilities of Soil Bacterial Isolates from Mexican Oak Forests: An Alternative to Reduce the Use of Agrochemicals in Maize Cultivation
TL;DR: In this article , Bacillus velezensis 13, Bacillus subtillis 42, Pseudomonas fluorescens E221, P. poae EE12, Rahnella sp. EM1, and Serratia sp.EM2 were analyzed for their ability to stimulate the germination of maize seeds and promote maize seedling growth.
Acibenzolar-S-Metil e silício como indutores de resistência à Sigatoka-negra em bananeira cultivar Grand Naine (AAA) Acibenzolar-S-Methyl and silicium as a inductor of resistance to Black sigatoka of banana cultivar Grand Naine (AAA)
Nascimento Uchôa,Edson Ampélio Pozza,Keline Sousa Albuquerque Uchôa,Márcia Toyota,Wilson da Silva Moraes,Bruno Marques da Silva +5 more
TL;DR: In this article, the authors studied the induction of resistance to black sigatoka by acibenzolar-S-methyl (ASM) and Potassium silicate (Psilicate) agents.
Posted ContentDOI
Conservation and Expansion of Transcriptional Factor Repertoire in the Fusarium oxysporum Species Complex
Hou Yu,Huanming Yang,Sajeet Haridas,Richard D. Hayes,Hunter Lynch,Sawyer Andersen,Gengtan Li,Domingo Martínez-Soto,Shira Milo-Cochavi,Dilay Hazal Ayhan,Yang Zhang,Igor V. Grigoriev,Lijun Ma +12 more
TL;DR: In this paper , the authors inspect global transcription factor profiles (TFomes) and their potential roles in coordinating CC and AC functions to accomplish host-specific interactions, finding a clear positive correlation between the sizes of TFomes and the proteomes of an organism.
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Palmitoyl Transferase FonPAT2-Catalyzed Palmitoylation of the FonAP-2 Complex Is Essential for Growth, Development, Stress Response, and Virulence in Fusarium oxysporum f. sp. niveum
Xiaohui Xiong,Yi-meng Gao,Jiajing Wang,Hui Wang,J. Lou,Yan Bi,Yuqing Yan,Dayong Li,Fengming Song +8 more
TL;DR: In this article , the authors reported the function and molecular mechanism of FonPATs in Fusarium oxysporum f. sp. niveum (Fon), the causal agent of watermelon fusarium wilt, and provided new insights into the importance of protein palmitoylation in the virulence of plant fungal pathogens.
References
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TL;DR: The gene-for-gene hypothesis suggests that for each gene that conditions reaction in the host there is a correspond ing gene in the parasite that conditions pathogenicity.
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Antagonistic Interaction between Abscisic Acid and Jasmonate-Ethylene Signaling Pathways Modulates Defense Gene Expression and Disease Resistance in Arabidopsis
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