نتایج جستجو برای: f oxysporum

تعداد نتایج: 307705  

Journal: :Plant physiology 2012
Louise F Thatcher Jonathan J Powell Elizabeth A B Aitken Kemal Kazan John M Manners

The LATERAL ORGAN BOUNDARIES (LOB) DOMAIN (LBD) gene family encodes plant-specific transcriptional regulators functioning in organ development. In a screen of Arabidopsis (Arabidopsis thaliana) sequence-indexed transferred DNA insertion mutants, we found disruption of the LOB DOMAIN-CONTAINING PROTEIN20 (LBD20) gene led to increased resistance to the root-infecting vascular wilt pathogen Fusari...

2015
Natalia Kwiatos Małgorzata Ryngajłło Stanisław Bielecki

Multiple studies confirm laccase role in fungal pathogenicity and lignocellulose degradation. In spite of broad genomic research, laccases from plant wilt pathogen Fusarium oxysporum are still not characterized. The study aimed to identify F. oxysporum genes that may encode laccases sensu stricto and to characterize the proteins in silico in order to facilitate further research on their impact ...

Journal: :Phytopathology 1997
A J Nelson K S Elias E Arévalo G L C Darlington B A Bailey

ABSTRACT An epidemic of vascular wilt caused by Fusarium oxysporum f. sp. erythroxyli is currently occurring on Erythroxylum coca var. coca in the coca-growing regions of the Huallaga Valley in Peru. Random amplified polymorphic DNA (RAPD) analysis of isolates of the pathogen was undertaken to elucidate its genetic complexity, as well as to identify a specific DNA fingerprint for the pathogen. ...

2013
Daniel Jiménez-Fernández Blanca B. Landa Seogchan Kang Rafael M. Jiménez-Díaz Juan A. Navas-Cortés

BACKGROUND Fusarium wilt caused by Fusarium oxysporum f. sp. ciceris, a main threat to global chickpea production, is managed mainly by resistant cultivars whose efficiency is curtailed by Fusarium oxysporum f. sp. ciceris races. METHODOLOGY We characterized compatible and incompatible interactions by assessing the spatial-temporal pattern of infection and colonization of chickpea cvs. P-2245...

Journal: :Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases 2011
G Fourie E T Steenkamp R C Ploetz T R Gordon A Viljoen

Fusarium oxysporum is an asexual fungal species that includes human and animal pathogens and a diverse range of nonpathogens. Pathogenic and nonpathogenic strains of this species can be distinguished from each other with pathogenicity tests, but not with morphological analysis or sexual compatibility studies. Substantial genetic diversity among isolates has led to the realization that F. oxyspo...

Journal: :BMC Ophthalmology 2007
Madhu Dyavaiah Rama Ramani David S Chu David C Ritterband Mahendra K Shah William A Samsonoff Sudha Chaturvedi Vishnu Chaturvedi

BACKGROUND To characterize Fusarium isolates from recent cases of fungal keratitis in contact lens wearers, and to investigate fungal association with MoistureLoc solution. METHODS We studied six fungal isolates from recent cases of keratitis in New York State. The isolates were characterized by nucleotide sequencing and phylogenetic analyses of multiple genes, and then typed using minisatell...

سعیده شهریاری نژاد سید علی اصغر فتحی,

During the growing seasons of 2009 and 2010, same tomato fields throughout Marvdasht  were visited  and  96 isolates of Fusarium spp. were collected from root, crown and stem of diseased tomato plants. Isolates were identified as based on morphological characteristics. They were divided into four species namely: Fusarium solani, F. pseudoanthophilum, F. oxysporum and F. equiseti. These species,...

2011
Bernadeta Dobosz Kinga Drzewiecka Agnieszka Waskiewicz Lidia Irzykowska Jan Bocianowski Zbigniew Karolewski Marian Kostecki Zdzislaw Kruczynski Ryszard Krzyminiewski Zbigniew Weber Piotr Golinski

Electron paramagnetic resonance was used to monitor free radicals and paramagnetic species like Fe, Mn, Cu generation, stability and status in Asparagus officinalis infected by common pathogens Fusarium proliferatum and F. oxysporum. Occurrence of F. proliferatum and F. oxysporum, level of free radicals and other paramagnetic species, as well as salicylic acid and mycotoxins content in roots an...

2014
Li-Jun Ma Terrance Shea Sarah Young Qiandong Zeng H. Corby Kistler

Horizontal chromosome transfer introduces host-specific pathogenicity among members of the Fusarium oxysporum species complex and is responsible for some of the most destructive and intractable plant diseases. This paper reports the genome sequence of F. oxysporum f. sp. melonis (NRRL 26406), a causal agent of Fusarium wilt disease on melon.

Journal: :Genetics 2003
Makoto Kimura Takeshi Tokai Gentaro Matsumoto Makoto Fujimura Hiroshi Hamamoto Katsuyoshi Yoneyama Takehiko Shibata Isamu Yamaguchi

The trichothecene 3-O-acetyltransferase gene (FgTri101) required for trichothecene production by Fusarium graminearum is located between the phosphate permease gene (pho5) and the UTP-ammonia ligase gene (ura7). We have cloned and sequenced the pho5-to-ura7 regions from three trichothecene nonproducing Fusarium (i.e., F. oxysporum, F. moniliforme, and Fusarium species IFO 7772) that belong to t...

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