نتایج جستجو برای: واژههای کلیدیfusarium graminearum

تعداد نتایج: 1772  

2013
Boknam Jung Sook-Young Park Yin-Won Lee Jungkwan Lee

Fusarium head blight (FHB) caused by the filamentous fungus Fusarium graminearum is one of the most severe diseases threatening the production of small grains. Infected grains are often contaminated with mycotoxins such as zearalenone and trichothecences. During survey of contamination by FHB in rice grains, we found a bacterial isolate, designated as BN1, antagonistic to F. graminearum. The st...

2016
Amer F. Mahmoud

Fusarium graminearum Schwabe causes Fusarium head blight (FHB), a devastating disease that leads to extensive yield and quality loss of wheat and other cereal crops. Twelve isolates of F. graminearum were collected from naturally infected spikes of wheat from Assiut Egypt. These isolates were compared using SRAP. The results indicated distinct genetic groups exist within F. graminearum, and dem...

2008
Xing-Ming Zhao Weihua Tang Luonan Chen

Identifying the unique pathogenic patterns underlying the phytopathogenic fungi is important for plant disease control. This paper presents a novel method for identifying the specific conserved patterns for the pathogenic species. By employing a feature selection technique, the specific patterns that best discriminate the pathogenic species from non-pathogenic ones are identified, which are ass...

2010
Xiaoping Liu Wei-Hua Tang Xing-Ming Zhao Luonan Chen

Fusarium graminearum is the pathogenic agent of Fusarium head blight (FHB), which is a destructive disease on wheat and barley, thereby causing huge economic loss and health problems to human by contaminating foods. Identifying pathogenic genes can shed light on pathogenesis underlying the interaction between F. graminearum and its plant host. However, it is difficult to detect pathogenic genes...

2017
Antonio Zapparata Daniele Da Lio Stefania Somma Isabel Vicente Muñoz Luca Malfatti Giovanni Vannacci Antonio Moretti Riccardo Baroncelli Sabrina Sarrocco

Fusarium graminearum is among the main causal agents of Fusarium head blight (FHB), or scab, of wheat and other cereals, caused by a complex of Fusarium species, worldwide. Besides causing economic losses in terms of crop yield and quality, F. graminearum poses a severe threat to animal and human health. Here, we present the first draft whole-genome sequence of the mycotoxigenic Fusarium gramin...

Journal: :Fungal biology 2011
Anne E Desjardins Robert H Proctor

On smallholder farms in the foothills of the Himalayan Mountains in Nepal, fungi of the Fusarium graminearum clade cause Gibberella ear rot of maize and contamination with the 8-ketotrichothecenes nivalenol and deoxynivalenol. Previous DNA marker analyses of the F. graminearum clade from maize in Nepal found a high level of genetic diversity but were limited in detail or scope. The present stud...

Journal: :Phytopathology 2008
H Suga G W Karugia T Ward L R Gale K Tomimura T Nakajima A Miyasaka S Koizumi K Kageyama M Hyakumachi

Members of the Fusarium graminearum species complex are important cereal pathogens worldwide and belong to one of at least nine phylogenetically distinct species. We examined 298 strains of the F. graminearum species complex collected from wheat or barley in Japan to determine the species and trichothecene chemotype. Phylogenetic analyses and species-diagnostic polymerase chain reaction-restric...

Journal: :Genetics and molecular research : GMR 2013
E Yörük G Albayrak

Five Fusarium graminearum and 12 F. culmorum isolates, primarily pathogenic species of Fusarium head blight, were obtained from naturally infected wheat from various agro-ecological regions of Turkey. Genotyping of the isolates was carried out using random-amplified polymorphic DNA (RAPD). Sixty-five 10-mer oligonucleotide primers were used to amplify the RAPD markers. Among them, 50 primers pr...

Journal: :Genetics and molecular research : GMR 2010
V Pandolfi E C Jorge C M R Melo A C S Albuquerque H Carrer

The pathogenic fungus Fusarium graminearum is an ongoing threat to agriculture, causing losses in grain yield and quality in diverse crops. Substantial progress has been made in the identification of genes involved in the suppression of phytopathogens by antagonistic microorganisms; however, limited information regarding responses of plant pathogens to these biocontrol agents is available. Gene...

Journal: :Molecules 2016
Tao Gao Hao Zhou Wei Zhou Liangbin Hu Jian Chen Zhiqi Shi

Thymol is a natural plant-derived compound that has been widely used in pharmaceutical and food preservation applications. However, the antifungal mechanism for thymol against phytopathogens remains unclear. In this study, we identified the antifungal action of thymol against Fusarium graminearum, an economically important phytopathogen showing severe resistance to traditional chemical fungicid...

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