نتایج جستجو برای: fusarium nygamai

تعداد نتایج: 14431  

2013
Klaus-Michael Weltring Wolfgang Barz

Phytoalexins, 3,9-Dimethoxypterocarpan, Medicarpin, Fusarium, Degradation, Demethylation The degradation of 3,9-dimethoxypterocarpan was investigated in selected strains of Fusarium. Fusarium proliferatum (/'. e. Gibberella fujikuroi (SAW)WR) degrades this substrate via 3-methoxy-9-hydroxypterocarpan, 3,9-dihydroxypterocarpan and 2',4',7-trihydroxyisoflavan. During degradation by this organism ...

Journal: :Frontiers in microbiology 2016
Ingerd S. Hofgaard Till Seehusen Heidi U. Aamot Hugh Riley Jafar Razzaghian Vinh H. Le Anne-Grete R. Hjelkrem Ruth Dill-Macky Guro Brodal

The increased occurrence of Fusarium-mycotoxins in Norwegian cereals over the last decade, is thought to be caused by increased inoculum resulting from more cereal residues at the soil surface as a result of reduced tillage practices. In addition, weather conditions have increasingly promoted inoculum development and infection by Fusarium species. The objective of this work was to elucidate the...

Journal: :Frontiers in microbiology 2016
Vessela Atanasova-Penichon Christian Barreau Florence Richard-Forget

Gibberella and Fusarium Ear Rot and Fusarium Head Blight are major diseases affecting European cereals. These diseases are mainly caused by fungi of the Fusarium genus, primarily Fusarium graminearum and Fusarium verticillioides. These Fusarium species pose a serious threat to food safety because of their ability to produce a wide range of mycotoxins, including type B trichothecenes and fumonis...

2016
Lujuan Gao Yi Sun Chengyan He Ming Li Tongxiang Zeng Qiaoyun Lu

Infections of Exophiala spp. and Fusarium spp. are often chronic and recalcitrant. Systemic disseminations, which mostly occur in immunocompromised patients, are often refractory to available antifungal therapies. The conserved target of rapamycin (TOR) orchestrates cell growth and proliferation in response to nutrients and growth factors, which are important for pathogenicity and virulence. IN...

Journal: :Fungal genetics and biology : FG & B 2011
Brice A J Sarver Todd J Ward Liane R Gale Karen Broz H Corby Kistler Takayuki Aoki Paul Nicholson Jon Carter Kerry O'Donnell

This study was conducted to assess evolutionary relationships, species diversity and trichothecene toxin potential of five Fusarium graminearum complex (FGSC) isolates identified as genetically novel during prior Fusarium head blight (FHB) surveys in Nepal and Louisiana. Results of a multilocus genotyping (MLGT) assay for B-trichothecene species determination indicated these isolates might repr...

2016
Ruxandra V. Moroti Valeriu Gheorghita Abdullah M. S. Al-Hatmi G. Sybren de Hoog Jacques F. Meis Mihai G. Netea

BACKGROUND Fusarium species are ubiquitous environmental fungi that occasionally provoke serious invasive infections in immunocompromised hosts. Among Fusarium species, Fusarium ramigenum, belonging to the Fusarium fujikuroi species complex, has thus far never been found to cause human infections. Here we describe the first case of invasive fusariosis caused by Fusarium ramigenum in a human and...

Journal: :Revista iberoamericana de micologia 2013
Tatiana B Spader Tarcieli P Venturini Luana Rossato Laura B Denardi Patricia B Cavalheiro Sonia A Botton Janio M Santurio Sydney Hartz Alves

BACKGROUND Infections caused by Fusarium are difficult to treat because these fungi show in vitro and in vivo resistance to practically all the antifungal agents available, which explains the high mortality rates. An attempt to overcome fungal resistance is the combination of antifungal agents, especially those with different mechanisms of action. AIMS Evaluate the in vitro interactions of co...

Journal: :Fungal biology 2012
Daren W Brown Robert A E Butchko Scott E Baker Robert H Proctor

Fusarium species are ubiquitous in nature, cause a range of plant diseases, and produce a variety of chemicals often referred to as secondary metabolites. Although some fungal secondary metabolites affect plant growth or protect plants from other fungi and bacteria, their presence in grain-based food and feed is more often associated with a variety of diseases in plants and in animals. Many of ...

2018
Lotus A Lofgren Nicholas R LeBlanc Amanda K Certano Jonny Nachtigall Kathryn M LaBine Jakob Riddle Karen Broz Yanhong Dong Bianca Bethan Christopher W Kafer H Corby Kistler

Mycotoxin-producing Fusarium graminearum and related species cause Fusarium head blight on cultivated grasses, such as wheat and barley. However, these Fusarium species may have had a longer evolutionary history with North American grasses than with cultivated crops and may interact with the ancestral hosts in ways which are biochemically distinct. We assayed 25 species of asymptomatic native g...

2006
G. R. BALALI M. IRANPOOR

The genus Fusarium is a species rich genus. Different media are required to study the morphological characters and classify different species, a time consuming technique. In this study pectic zymograms were used to identify species and form species of Fusarium isolates. Fusarium isolates (318) were obtained from different areas and hosts in Isfahan Province, Iran. Isolates were identified to sp...

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