Aspergillus niger


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As·per·gil·lus ni·ger

a species with black spores, often present in the external auditory meatus but rarely pathogenic; used in the commercial manufacturing of citric and gluconic acids.

Aspergillus niger

A pathogenic species with black spores, frequently present in the external auditory meatus. It may cause pneumonia in immunocompromised patients, and otomycosis. The presence of localized oxalate crystals within necrotic tissue from the external auditory canal suggests the diagnosis.
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See also: Aspergillus
References in periodicals archive ?
Primera fase Hongo % muestras (1) % Contaminacion (2) Aspergillus niger 82.3 58.0 Aspergillus flavus 39.8 5.8 Aspergillus ochraceus 22.1 1.1 Aspergillus clavatum 11.5 0.4 Aspergillus sp.
The concentration of 2 mL of clove oil reduces the incidence of the fungi Aspergillus niger and Penicillium sp., and at the concentration of 0.5 mL reduces the incidence of Rhizopus in the seeds of this species.
Aspergillus niger was purchased from Agricultural Culture Collection of China (ACCC 30786) and maintained on potato dextrose agar (PDA) slants at 4AdegC and transferred every three month.
Ditlenek tytanu modyfikowany azotem (N-Ti[O.sub.2]) (ITChNiIS ZUT) w stezeniu 0,1 gxd[m.sup.-3], aktywowany sztucznym swiatlem slonecznym UV-VIS moze byc skutecznym srodkiem do eliminacji plesni Penicillium chrysogenum i Aspergillus niger.
An appropriate amount of water allows nutrients for absorption in the culture medium, but if there is little water, Aspergillus niger cannot absorb nutrients, and growth will be inhibited.
The sands were sterilized in an autoclave before Aspergillus niger was inoculated.
Forster, "Aspergillus niger as an unusual cause of scleritis and endophthalmitis," British Journal of Ophthalmology, vol.
Kradin, "Hemorrhagic pulmonary oxalosis secondary to a noninvasive Aspergillus niger fungus ball," Virchows Archiv, vol.
Harsh, "Utilizing Aspergillus niger for bioremediation of tannery effluent," Octa Journal of Environmental Research, vol.
Wud, "Biosorption behavior of heavy metals in bioleaching process of MSWI fly ash by Aspergillus niger," Biochemical and Engineering Journal, vol.
Pal, "Atomistic details of effect of disulfide bond reduction on active site of Phytase B from Aspergillus niger: A MD Study," Bioinformation, vol.
Aspergillus niger isolates produced ochratoxins and gliotoxin (43.3% and 23.3% respectively, Table 1).