نتایج جستجو برای: fusarium species

تعداد نتایج: 559769  

2009
Dariusz Piesik Anna Wenda-Piesik David K. Weaver Tulio B. Macedo Wendell L. Morrill

Plants that were infested by the wheat stem sawfly emitted significantly increased amounts of the secondary metabolites linalool, linalool oxide, ß-farnesene, ß-caryophyllene, and 4-heptanone in comparison to uninfested plants. Wheat plants parasitized by Fusarium species also have emitted volatiles. The amount of volatiles released varied by infective species of Fusarium and volatile patterns ...

Journal: :Investigative ophthalmology & visual science 2009
Rafael A Oechsler Michael R Feilmeier Dolena R Ledee Darlene Miller Mara R Diaz M Elizabeth Fini Jack W Fell Eduardo C Alfonso

PURPOSE Fungal ocular infections cause significant ocular morbidity, particularly when diagnosis and treatment are delayed. Accurate morphologic identification of Fusarium spp. beyond the genus is time-consuming and insensitive. It was the purpose of this study to examine the usefulness of the nuclear ribosomal RNA (rRNA) internal transcribed spacer regions (ITS1 and -2) to detect and different...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2001
E J Anaissie R T Kuchar J H Rex A Francesconi M Kasai F M Müller M Lozano-Chiu R C Summerbell M C Dignani S J Chanock T J Walsh

We sought the reservoir of Fusarium species in a hospital with cases of known fusarial infections. Cultures of samples from patients and the environment were performed and evaluated for relatedness by use of molecular methods. Fusarium species was recovered from 162 (57%) of 283 water system samples. Of 92 sink drains tested, 72 (88%) yielded Fusarium solani; 12 (16%) of 71 sink faucet aerators...

Journal: :modares journal of medical sciences: pathobiology 2013
abdolnasser mohammadi-gholami masoomeh shams-ghahfarokhi reza kachuei mehdi razzaghi-abyaneh

objective: fusarium species are prevalent contaminants of foodstuffs and agricultural crops.  they produce fumonisins, which are carcinogenic mycotoxins. the present study has evaluated maize and wheat samples from ten provinces in iran that were contaminated with fusarium species. special attention was paid to the ability of the isolates to produce fumonisin b1 (fb1) as a public health hazard....

Journal: :Mycologia 2013
Takayuki Aoki Jason A Smith Lacey L Mount David M Geiser Kerry O'Donnell

During a survey for pathogens of Florida torreya (Torreya taxifolia) in 2009, a novel Fusarium species was isolated from cankers affecting this critically endangered conifer whose current range is restricted to northern Florida and southwestern Georgia. Published multilocus molecular phylogenetic analyses indicated that this pathogen represented a genealogically exclusive, phylogenetically dist...

2007
R L James

Nine different Fusarium species were isolated from Acacia koa seeds, seedpods, seedling stem and root tissues, rhizosphere soil and soil surrounding roots of diseased trees. Fusarium oxysporum, the cause of koa dieback and wilt, was not isolated from seeds or seedpods but was found most commonly on roots and soil near diseased koa seedlings. Fusarium subglutinans was the most common species iso...

2014
Marine Pallez Matias Pasquali Torsten Bohn Lucien Hoffmann Marco Beyer

Species determination by sequencing and PCR genetic chemotyping, used to determine the toxigenic potential of Fusarium strains, is fundamental for developing preventive strategies in food safety. Here we propose and statistically validate a quick protocol for standardizing the procedure of species determination by sequencing of the elongation factor 1and multiplex genetic chemotyping using the ...

2016
B Fallah F Zaini R Daei Ghazvini R Kachuei P Kordbacheh M Safara S Mahmoudi

BACKGROUND AND PURPOSE Fusarium species are avid producers of secondary toxic and carcinogenic metabolites such as fumonisin. Contamination of food and feed products with fumonisin can be hazardous to the health of humans and animals and may lead to agricultural loss. Accordingly, in this study, we aimed to evaluate the effects of Candida parapsilosis on the growth and fumonisin production of F...

2013
A. O. Akanmu

Millet is a cereal of enormous importance with potentials in the agricultural systems and food security but it constitutes a neglected agrobiodiversity. Soil borne pathogenic fungi could be possible culprit to millet cultivation in southwestern Nigeria. Therefore, this study investigates the pathogenic effect of isolated Fusarium species from soil on millet seedlings under greenhouse conditions...

2017
Giovanni Beccari Antonio Prodi Francesco Tini Umberto Bonciarelli Andrea Onofri Souheib Oueslati Marwa Limayma Lorenzo Covarelli

In this study, conducted for three years on eleven malting barley varieties cultivated in central Italy, the incidence of different mycotoxigenic fungal genera, the identification of the Fusarium species associated with the Fusarium Head Blight (FHB) complex, and kernels contamination with deoxynivalenol (DON) and T-2 mycotoxins were determined. The influence of climatic conditions on Fusarium ...

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