نتایج جستجو برای: alternaria brassicae

تعداد نتایج: 5272  

2017
Manish Dhawan Neelam Joshi

Beauveria bassiana, an entomopathogenic fungus, is the alternative biocontrol agent exploited against major economic crop pests. Pieris brassicae L. is an emerging pest of the Brassicaceae family. Therefore, in the present study, fungal isolates of Beauveria bassiana, viz. MTCC 2028, MTCC 4495, MTCC 6291, and NBAII-11, were evaluated for their virulence against third instar larvae of P. brassic...

2016
Kai Bi Zhangchao He Zhixiao Gao Ying Zhao Yanping Fu Jiasen Cheng Jiatao Xie Daohong Jiang Tao Chen

Plasmodiophora brassicae causes clubroot disease in cruciferous. In this report, lipid droplets were observed in the resting spores of P. brassicae. 295 lipid droplet-associated proteins were identified and categorized into nine groups. Transcriptome analysis of these proteins during three different zoosporic stages revealed differences in gene expression pattern. GO enrichment analysis reveale...

Journal: :Polish journal of microbiology 2005
Shazia Iram Iftikhar Ahmad

Alternaria alternata were isolated and identified from root, foliage and soil of both wheat and rice crops and their aggressiveness was studied using aggressiveness analysis. Isolates of Alternaria alternata were genetically characterized using RAPD's. The investigations were based on surveys of wheat and rice crops in the rice-wheat cropping areas of Pakistan. The study showed that Alternaria ...

2017
Manpreet Kaur Neeraj Kumar Aggarwal

In the present investigation five pathogenic fungal isolates such as Alternaria alternata, Alternaria macrospora MKP2, Alternaria macrospora MKP4 Alternaria sp. PMK1 and Alternaria sp. PMK2, were isolated from diseased leaves of parthenium plant and found to be pathogenic to this weed. Isolated pathogens were screened qualitatively and quantitatively for lignocellulolytic activities. All the fu...

Journal: :Fungal genetics and biology : FG & B 2015
J H C Woudenberg N A van der Merwe Ž Jurjević J Z Groenewald P W Crous

Alternaria spp. from sect. Alternaria are frequently associated with hypersensitivity pneumonitis, asthma and allergic fungal rhinitis and sinusitis. Since Alternaria is omnipresent in the outdoor environment, it is thought that the indoor spore concentration is mainly influenced by the outdoor spore concentration. However, few studies have investigated indoor Alternaria isolates, or attempted ...

2015
Hyang Burm Lee Andrea Patriarca Naresh Magan

Alternaria species are common saprophytes or pathogens of a wide range of plants pre- and post-harvest. This review considers the relative importance of Alternaria species, their ecology, competitiveness, production of mycotoxins and the prevalence of the predominant mycotoxins in different food products. The available toxicity data on these toxins and the potential future impacts of Alternaria...

2014
Isabel Lafuente Raquel Pina Sonia Uixera Rafael Calderon Isidoro Cortell Juan Lopez Antonio Nieto Angel Mazon

Results We studied 143 children (92 M/51 F) aged 2.4 15.6 years. Negative results were found in 20 (14%) with Alternaria, 24 (16.8%) with Alt 1, and 19 with both (13.3%). There was a good correlation between the two determinations (r = 0.935, p <0.001). Overall the levels were higher for Alt a 1 (18.9 ± 24.4) than for Alternaria (15.4 ± 20.1). There were 97 cases (68%) with levels of Alt a 1 > ...

2017
Brian Gagosh Nayyar Shaista Akhund Abida Akram

Received Sep 18, 2014 Revised Nov 12, 2014 Accepted Nov 25, 2014 The Deuteromycetes fungal genus Alternaria comprises of different saprophytic as well as endophytic species which are very common and worldwide in their occurrence. Important host plants include several important crops. Alternaria spp. generally attacks the aerial parts of its host and early blight diseases caused by these fungi i...

Journal: :Journal of immunology 2009
Takao Kobayashi Koji Iijima Suresh Radhakrishnan Vinay Mehta Robert Vassallo Christopher B Lawrence Jong-Chol Cyong Larry R Pease Katsuji Oguchi Hirohito Kita

Asthma is thought to result from dysregulated Th2-like airway inflammatory responses to the environment. Although the etiology of asthma is not fully understood in humans, clinical and epidemiological evidence suggest a potential link between exposure to environmental fungi, such as Alternaria, and development and/or exacerbation of asthma. The goal of this project was to investigate the mechan...

2009
L. Lombard C.A. Rodas P.W. Crous B.D. Wingfield M.J. Wingfield

Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings in a commercial forest nursery in Colombia led to the isolation of two Cylindrocladium anamorphs of Calonectria species. The aim of this study was to identify these species...

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