نتایج جستجو برای: fungal spores

تعداد نتایج: 62621  

2017
Andréa G. dos Santos Érica A. Mendes Rafael P. de Oliveira Ana M. C. Faria Aurizangela O. de Sousa Carlos P. Pirovani Fernanda F. de Araújo Andréa T. de Carvalho Marliete Carvalho Costa Daniel Assis Santos Quimi V. Montoya Andre Rodrigues Jane L. dos Santos

The intensive use of pesticides to control pests in agriculture has promoted several issues relating to environment. As chemical pesticides remain controversial, biocontrol agents originating from fungi could be an alternative. Among them, we highlight biocontrol agents derived from the fungi genus Trichoderma, which have been documented in limiting the growth of other phytopathogenic fungus in...

2004
Richard E. Baird

Limitations and Considerations in Air Sampling, Sample Analysis and Result Interpretation for Airborne Mould Spores by Jackson Kung’u Airborne mould material particularly spores are recognized allergens at normal concentrations to an estimated 20% of the population (Kendrick, 2000). It is not always possible to establish a correlation between mould spore counts in the environment and the presen...

Journal: :Atmospheric environment 2006
Taekhee Lee Sergey A Grinshpun Dainius Martuzevicius Atin Adhikari Carlos M Crawford Tiina Reponen

In this study, the culturability of indoor and outdoor airborne fungi was determined through long-term sampling (24-h) using a Button Personal Inhalable Aerosol Sampler. The air samples were collected during three seasons in six Cincinnati area homes that were free from moisture damage or visible mold. Cultivation and total microscopic enumeration methods were employed for the sample analysis. ...

Journal: :Revista iberoamericana de micologia 2001
H Sanchez R K Bush

Sensitivity to fungi is a major risk factor for the development of asthma. However, the prevalence of fungal sensitivity in asthma is not completely understood. Nonetheless upward of 80% of asthmatic patients may be sensitized to one or more fungi. Fungal exposure occurs primarily from outdoors sources, but can occur in the indoor environment as well. Assessment of fungal exposure requires a mu...

Journal: :The Journal of experimental biology 2009
Xavier Noblin Sylvia Yang Jacques Dumais

Most basidiomycete fungi actively eject their spores. The process begins with the condensation of a water droplet at the base of the spore. The fusion of the droplet onto the spore creates a momentum that propels the spore forward. The use of surface tension for spore ejection offers a new paradigm to perform work at small length scales. However, this mechanism of force generation remains poorl...

Journal: :Investigative ophthalmology & visual science 2009
Hongbo Zhang Hao Chen Jingyi Niu Yiqiang Wang Lixin Xie

PURPOSE Innate immunity had been thought to be critical in the pathogenesis and prognosis of fungal keratitis. This study was conducted to determine whether experimental Candida albicans keratitis (CaK) induces an adaptive immune response. METHODS Experimental murine CaK was induced by intrastromal injection of C. albicans spores, and fungal pneumonia was induced by intranasal inhalation of s...

A Baghaei A.A Jafari F Mirzaei H Niknazar M.H Ahmadiyeh M.R Aminipour Z Motaghi

Background & Aims: Fungi are among the most important biological agents in air pollution. Textile factories are known as high risk places for contamination with fungal spores and metabolites. Since Yazd is one of the most important textile industry centers, this study was conducted to determine the concentration and types of airborne fungi in Yazd textile factories. Methods: A total of 235 indo...

1999
Fiona H.L. Benyon Allan S. Jones Euan R. Tovey Glenn Stone

The ability of an image analysis routine to differentiate between spores of eleven allergenic fungal genera was tested using analysis based on seven basic and up to 17 more complex features, extracted from digitised images. Fungal spores of Alternaria, Cladosporium, Fusarium, Aspergillus, Penicillium, Botrytis, Epicoccum, Exserohilum, Ustilago, Coprinus and Psilocybe were examined in a series o...

Journal: :Annals of agricultural and environmental medicine : AAEM 2009
Loredana Rizzi-Longo Marialuisa Pizzulin-Sauli Paola Ganis

Fungal spores are known to trigger allergic respiratory diseases. Very little is known about airborne fungal spore presence in Trieste. This paper reports the seasonal (June-October) Alternaria (1993-2004) and Epicoccum (1994-2004) spore concentrations during these years, using a Hirst sampler. Daily spore counts fluctuate considerably from one day to the next. Airborne spores of Alternaria and...

2015
Kerstin Voelz Remi L. Gratacap Robert T. Wheeler

Mucormycosis is an emerging fungal infection that is clinically difficult to manage, with increasing incidence and extremely high mortality rates. Individualswith diabetes, suppressed immunity or traumatic injuryare at increased risk of developing disease. These individuals often present with defects in phagocytic effector cell function. Research using mammalian models and phagocytic effector c...

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