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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Journal ArticleDOI
Intron Gains and Losses in the Evolution of Fusarium and Cryptococcus Fungi
Daniel Croll,Bruce A. McDonald +1 more
TL;DR: It is shown that both intronization of previously coding DNA and insertion of exogenous DNA are the major drivers of intron gains.
Journal ArticleDOI
Evaluation of the significance of cell wall polymers in flax infected with a pathogenic strain of Fusarium oxysporum.
Wioleta Wojtasik,Wioleta Wojtasik,Anna Kulma,Lucyna Dymińska,Jerzy Hanuza,Magdalena Czemplik,Jan Szopa,Jan Szopa +7 more
TL;DR: The results suggest that the role of the cell wall polymers in the plant response to Fusarium oxysporum infection is manifested through changes in expression of their genes and rearrangement of the Cell wall Polymers.
Journal ArticleDOI
Genetic basis of carotenoid overproduction in Fusarium oxysporum.
TL;DR: It is concluded that this gene is carS, encoding a RF protein involved in down-regulation of F. oxysporum carotenogenesis, which is linked to a gene coding for a putative RING-finger (RF) protein.
Journal ArticleDOI
The FRP1 F-box gene has different functions in sexuality, pathogenicity and metabolism in three fungal pathogens
Wilfried Jonkers,Jan A. L. van Kan,Patrick Tijm,Yin-Won Lee,Paul Tudzynski,Martijn Rep,Caroline B. Michielse +6 more
TL;DR: In this article, the role of the F-box protein Frp1 in plant-pathogenic fungi was investigated and it was shown that the function of the protein is not conserved between different fungi, leading to differential requirements for pathogenicity and carbon source utilization.
Journal ArticleDOI
Occurrence of Fusarium oxysporum causing wilt on pepper in Mexico
Sixto Velarde-Félix,José Antonio Garzón-Tiznado,Sergio Hernández-Verdugo,Carlos Alfonso López-Orona,Jesús Enrique Retes-Manjarrez +4 more
TL;DR: The results suggest that the causal agent of pepper wilt in the samples analysed was F. oxysporum f.
References
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