نتایج جستجو برای: fungal colony
تعداد نتایج: 109069 فیلتر نتایج به سال:
Four halotolerant fungal isolates originating from the saltwater Lake Urmia in Iran were selected during a screening program for salt resistance and α-amylase activity. The isolates were identified based on sequencing the ITS region and a part of the β-tubulin gene, as Penicillium chrysogenum (isolate U1; CBS 132820), Fusarium incarnatum (isolate U2; CBS 132821), and Penicillium polonicum (isol...
Background and Aims: Candida albicans is the most prevalent opportunistic fungal species in the oral cavity. To date, several studies have been investigated the various factors associated with oral candidiasis. On the other hand, it has been proven that blood types antigens lead to some infectious factors. This study aimed to evaluate Candida albicans colonies in the saliva of dentistry student...
damping off caused by rhizoctonia solani (isolate ag4) constrains growing soybean in the north iranian province of golestan. the pathogen was grown on malt agar containing 0, 50, 100 or 200 ppm trifluralin then its vegetative growth and virulence were evaluated. the response of soybean cv. williams seedlings grown in soil containing 0, 0.5, 1 and 2 ?g ai g-1 trifluralin was investigated. on mal...
there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...
background: lichen planus is a common mucocutaneous disease with unknown etiology. immunodeficiency is a known predisposing factor to this disease. oral candidiasis which is an opportunistic fungal infection, commonly affects healthy and immune-compromised patients. candida has different species bearing different treatments. in this study, researchers aimed to detect the frequency and colonizat...
Objective: The genus Trichoderma comprises a great number of fungal strains that act as biological control agents, the antagonistic properties of which are based on the activation of multiple mechanisms. Methods: Trichoderma strains exert biocontrol against fungal phytopathogens either indirectly, by competing for nutrients and space, modifying the environmental conditions, or promotin...
Abstract Background and objectives: Poor oral hygiene in elderly people increases the colonization of opportunistic pathogens such as Candida and Staphylococci. The presence of yeasts and bacteria in the oral cavity of elderly people can be harmful and in certain conditions may cause oral and systemic infections. The general purpose of this study was to determine the oral health status, particu...
Background: Mycotoxins are produced in foods as a result of mold infection of crops before and after harvest. The aim of this report was to assess, for the first time in Tunisia, the contamination of red chili powder with Aflatoxins (AFs) and Ochratoxin A (OTA) and to identify the associated microbiota. Methods: Fifty-five samples of red Capsicum powder (Capsicum annuum) were screened for AFs ...
Sampling campaigns indoors have shown that occupants exposed to contaminated air generally exhibit diverse health outcomes. This study intends assess the deposition rates of total settleable dust and bioburden in indoor dwellings onto quartz fiber filters electrostatic collectors (EDCs), respectively. EDC extracts were inoculated malt extract agar (MEA) dichloran glycerol (DG18) agar-based medi...
objective: the genus trichoderma comprises a great number of fungal strains that act as biological control agents, the antagonistic properties of which are based on the activation of multiple mechanisms. methods: trichoderma strains exert biocontrol against fungal phytopathogens either indirectly, by competing for nutrients and space, modifying the environmental conditions, or promoting plant g...
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