Aspergillus flavus is a significant fungus that poses a threat to food safety by producing mycotoxins in various crops. (usda.gov)
Maize is frequently contaminated with multiple mycotoxins, especially those produced by Aspergillus flavus and Fusarium verticillioides. (usda.gov)
Aspergillus flavus and A. parasiticus produce the aflatoxins B1, B2, G1 and G2, but A. ochraceus together with Penicillium viridicatum and P. cyclopium synthesize ochratoxin A (OTA). (cabi.org)
Accurate species identification within Aspergillus flavus complex remains difficult due to overlapping morphological and biochemical characteristics, and much taxonomic and population genetics work is necessary to better understand the species and related species. (microbiologyresearch.org)
Prevalence of airborne Aspergillus flavus in Khartoum (Sudan) airspora with reference to dusty weather and inoculum survival in simulated summer conditions. (microbiologyresearch.org)
Aspergillus flavus -infection of a pacemaker wire: continuing evidence for active management of infected pacemakers. (microbiologyresearch.org)
Bark, Cinnamomum zeylanicum (AMPE-4) and Roots Ginger, Zingiber officinale L. Zingiberaceae (AMPE-5), on fungal species suchas Aspergillus flavus, A.niger and A.ochraceuswere evaluated by a standard disc diffusion method after determining the activated agents in each medical plants. (journalcra.com)
The minimum inhibition concentrations for each of AMPE against Aspergillus flavus, A.niger and A.ochraceus showed an inhibitory activation at 25 mg/ml in some AMPE .The inhibition activity was found to increase with the higher concentrations of other serial concentrations. (journalcra.com)
Thus, fungi of a particularly dangerous group (for example, Aspergillus flavus, A. fumigatus, A. ochraceus, Paecilomyces variotii) were found only at a distance of 2 and 10 meters from the road. (rudn.ru)
Penicillium7
Aspergillus ochraceus and Penicillium janthinellum were also present in high proportions. (cdc.gov)
Aspergillus and Penicillium species exemplify food spoilage fungi, associated with particular conditions in post-harvest ecology. (cabi.org)
In this work mycotoxigenic fungi belonging to the three genera of major importance for food Fusarium, Penicillium and Aspergillus have been investigated. (tum.de)
In dieser Arbeit wurden mykotoxinbildende Pilze der Gattungen Fusarium, Penicillium und Aspergillus, die für Lebensmittel von größter Bedeutung sind, untersucht. (tum.de)
The genus Aspergillus was the most dominant genus recovered (142 isolates) followed by Penicillium (14 isolates) and these two genera were found in 85.0 and 11.0% of the samples analyzed. (scialert.net)
2001) had that Aspergillus ochraceus, A. Penicillium therapy have the eriophyoid pigs of OTA. (testshoppy.de)
While several Bacillus species secrete high levels of extracellular xylanase, filamentous fungi secrete high amounts of extracellular proteins where xylanase secretion often accompanies cellulolytic enzymes for example as in species of Trichoderma, Penicillium, and Aspergillus [10]. (scirp.org)
Fungus6
After this discovery, some other species that looked similar to Aspergillus ochraceus were considered synonyms of this fungus. (wikipedia.org)
Aspergillus ochraceus is an ochratoxin -producing fungus which contaminates coffee . (bvsalud.org)
Furthermore, the ultrastructure of the yeast - fungus interaction on the coffee fruit surface showed yeast attachment to A. ochraceus hyphae , and morphological alterations in fungal structures , with hyphal abnormalities , such as tortuous hyphae with irregular, non- uniform surface compared to the control without yeast . (bvsalud.org)
A similar approach was used for A. ochraceus an other fungus of major importance considering ochratoxin A contamination of coffee. (tum.de)
OTA was first, in 1965 isolated from Aspergillus ochraceus , a fungus. (sfoodfeedf.org)
However, as a result of contemporary advances in molecular studies, this fungus from which OTA was originally isolated was later identified as Aspergillus westerdjikiae . (sfoodfeedf.org)
Ochratoxin6
Aspergillus ochraceus is a mold species in the genus Aspergillus known to produce the toxin ochratoxin A, one of the most abundant food-contaminating mycotoxins, and citrinin. (wikipedia.org)
Aspergillus ochraceus produces a mycotoxin named ochratoxin A (OTA). (wikipedia.org)
Ochratoxin A (OTA), a mycotoxin produced by A. ochraceus, contaminates food and initiates apoptosis of plant cells. (wikipedia.org)
Ochratoxin A (OTA) is a secondary metabolite produced primarily by the genus Aspergillus sp. (usda.gov)
The Aspergillus ochraceus-DNA content of 30 naturally contaminated green coffee samples was determined and compared to the ochratoxin A concentrations of respective samples. (tum.de)
Manning R.O., Wyatt D., Toxicity of Aspergillus ochraceus contaminated wheat and different chemical forms of ochratoxin A in broiler chicks, Poult. (vetres.org)
Toxigenic and non-toxigenic black aspergilli belonging to the Aspergillus niger aggregate and A. carbonarius isolated from Brazilian coffee related sources, were characterized by DNA fingerprinting and compared with other strains. (tum.de)
Mutants of Aspergillus niger exposed to 30 and 50 min UV and Bacillus licheniformis exposed to 20 and 30 min UV were selected. (ijpsr.com)
Growth of wild type and mutated Aspergillus niger and Bacillus licheniformis was found to be optimum at 48 hrs of incubation time, 30°C of incubation temperature and pH 6. (ijpsr.com)
Alpha amylase produced using the two substrates showed good activity but banana peel as a substrate exhibited highest activity of 113.6 (U/ml) in Aspergillus niger mutant exposed to 30 min UV treatment followed by banana peel exhibiting activity of 11.2 (U/ml) in Aspergillus niger mutant exposed to 50 min UV treatment. (ijpsr.com)
Studies on fungal amylases especially in developing countries have concentrated mainly on Aspergillus niger , probably because of their ubiquitous nature and non-fastidious nutritional requirements of these organisms 1 . (ijpsr.com)
The mutant strain of Bacillus licheniformis and Aspergillus niger have better ability to produce alpha amylase which can be derived by mutagenesis and extensive screening 2, 3 . (ijpsr.com)
Cultures of Bacillus licheniformis (NCIM 2051) and Aspergillus niger (NCIM 616) were collected from NCL, Pune. (ijpsr.com)
Pure cultures each of Aspergillus niger & Bacillus licheniformis were screened for amylase production using starch agar media 4 . (ijpsr.com)
Mutation was induced in wild type Bacillus licheniformis & Aspergillus niger by UV treatment 5 . (ijpsr.com)
The product can inhibit aspergillus ochraceus at dosage of 300ppm, inhibit aspergillus niger at dosage of 200ppm, inhibit corn mold at dosage of 500ppm. (luxiam.com)
Under this genus the species Aspergillus ochraceus was discovered by the German botanist and mycologist Karl Adolf Wilhelm in 1877. (wikipedia.org)
Strains2
In this study the antifungal effect of the yeast Hanseniaspora opuntiae on three Aspergillus ochraceus strains (IOC 4417, IOC 4462, Ao 14) was evaluated in vitro and on coffee fruits . (bvsalud.org)
Cluster analysis of Aspergillus ochraceus strains mainly isolated from Brazilian coffee related sources revealed a very close genetic relationship among most of the strains. (tum.de)
Fungi2
Aspergillus nomius is a potent producer of aflatoxins B and G and is one of the most common species of fungi found in Brazil nuts. (researchgate.net)
Contamination with mycotoxins is a recurrent problem in Brazil nuts and is caused mainly by post-harvest infection with Aspergillus section Flavi species. (researchgate.net)
Maia1
microspora isolated by Traboschi in 1908, and Aspergillus Ochraceus- petali- formis isolated by Balista et Maia in 1957 are all considered synonyms of Aspergillus ochraceus. (wikipedia.org)
Antifungal1
H. opuntiae showed efficacy as biocontrol agent and, to the best of our knowledge , this is the first study on the antifungal activity of H. opuntiae against A. ochraceus on coffee fruits Nevertheless, application of H. opuntiae to the crop in the field requires further studies. (bvsalud.org)
Rapidly2
The colonies of Aspergillus ochraceus grow rapidly (45 to 55 mm in 7 days). (wikipedia.org)
A. ochraceus could be rapidly and specifically detected and quantified in green coffee by Real-Time PCR. (tum.de)
Soil2
The ecological roots of Aspergillus ochraceus lay in the soil. (wikipedia.org)
Therefore, assessment of the response of aflatoxigenic species to different temperatures is important to add information about the understanding of aflatoxin production by Aspergillus nomius and may help in the development of new strategies to prevent aflatoxin contamination. (researchgate.net)
Group1
In 1979 two new species under the Aspergillus ochraceus group were discovered. (wikipedia.org)
Growth1
H. opuntiae (106 and 107 cells mL-1) reduced in vitro fungal growth from 82% to 87%, when co-cultivated with A. ochraceus. (bvsalud.org)
Coffee3
Aspergillus ochraceus biocontrol by Hanseniaspora opuntiae in vitro and on coffee fruits. (bvsalud.org)
The yeast (107 and 109 cells mL-1) applied on coffee fruits delayed fruit decay by A. ochraceus (IOC 4417 and Ao 14) until the 9th day, and was significantly different (p (bvsalud.org)
One of this primer pairs was used for PCR and Real-Time PCR detection of A. ochraceus in green coffee. (tum.de)
Studies1
This study confirms previous studies demonstrating the predominance of Aspergillus species in herbal and medicinal plants and its capability in the production of aflatoxin with induction of nephrotoxicity and hepatoxicity in animals and even in humans. (scialert.net)