نتایج جستجو برای: aspergillus terreus
تعداد نتایج: 23926 فیلتر نتایج به سال:
Disseminated aspergillosis in dogs has been associated with Aspergillus terreus or A. deflectus infection. We report a case of disseminated A. versicolor infection presenting as diskospondylitis, osteomyelitis, and pyelonephritis. The diagnosis was made based on clinical, radiographic, and pathological findings. The etiologic agent was identified by fungal culture and internal transcribed space...
The occurrence of moulds and aflatoxins in groundnut kernels are of great concern to food processors and consumers because of their ability to cause spoilage resulting to economic losses and public health problem such as aflatoxicosis. This study was aimed at determining the presence of Aspergillus species and aflatoxin levels in fresh harvested and stored groundnuts kernels from non-mechanized...
In the present study, growth and total lipid contents of two oleaginous fungal isolates Aspergillus terreus, fumigatus were compared in different nitrogen organic carbon sources. Artificially fungi cultured on media consisting various mono- or di- polysaccharides peptone yeast extract as elementary sources for nitrogen, respectively. Media containing sucrose /yeast glucose/ most effective produ...
Foliar blight of potato caused by Aspergillus terreus is reported for the first time. The blight is characterized by a brown leaf apex amounting to 35‒65% of the total leaf surface. The pathogen was identified on the basis of morphological characters and ribosomal DNA sequence data. The fungus produced effuse white colonies, branched hyphae, broom-like conidiophores, and globose accessory conid...
سلولز مهمترین پلی ساکارید دیواره سلولی و یکی از فراوانترین هیدروکربن های موجود در طبیعت است و در حدود 40% از توده زنده گیاهی را تشکیل می دهد.آنزیم های سلولوتیک به صورتی از سه گروه آنزیمی و به صورت سینرژیستی با همدیگر عمل می کنند و در شرایط هوازی می توانند پیوندهای گلیکوزیدی بتا 1و4 رادر سلولز هیدرولیز نموده و آن را به دی اکسید کربن و آب و در شرایط غیر هوازی به دی اکسید کربن، متان و آب تبدیل نما...
Aspergillus terreus is a textbook example of an industrially relevant filamentous fungus. It is used for the biotechnological production of two valuable metabolites, namely itaconic acid and lovastatin. Itaconic acid serves as a precursor in polymer industry, whereas lovastatin found its place in the pharmaceutical market as a cholesterol-lowering statin drug and a precursor for semisynthetic s...
Glucose oxidase (GOx) has found wide range of industrial applications. Commercial GOx are produced from Aspergillus niger and selected strains of Penicllium species, however, these strains are associated with some drawbacks. Aspergillus niger produces predominantly intracellular GOx, which requires extra recovery processes thus incurs more processing cost while Penicillium sp. exhibits filament...
To investigate the structurally novel and bioactive natural compounds from marine-derived microorganisms under high salinity, the fungus Aspergillus terreus PT06-2 was isolated from the sediment of the Putian Sea Saltern, Fujian, China. Three new compounds, terremides A (1) and B (2) and terrelactone A (3), along with twelve known compounds (4-15) were isolated and identified from the fermentat...
Secondary metabolites have a great potential as pharmaceuticals, but there are only a few examples where regulation of gene cluster expression has been correlated with ecological and physiological relevance for the producer. Here, signals, mediators, and biological effects of terrein production were studied in the fungus Aspergillus terreus to elucidate the contribution of terrein to ecological...
Different endophytes isolated from the seeds of Sophora flavescens were tested for their ability to produce matrine production. Response surface methodology (RSM) was applied to optimize the medium components for the endophytic fungus. Results indicated that endophyte Aspergillus terreus had the ability to produce matrine. The single factor tests demonstrated that potato starch was the best car...
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