Results 161 to 170 of about 101,188 (204)

Thermal Inactivation of Conidia From Aspergillus flavus and Aspergillus parasiticus

Journal of Milk and Food Technology, 1975
Thermal resistance at 45, 50, 55, and 60 C of conidia from various strains of Aspergillus flavus and Aspergillus parasiticus was determined using a heating menstruum buffered at pH 7.0 with KH2PO4-NaOH. Heat resistance of conidia from both molds was strain-dependent.
M. P. DOYLE, E. H. MARTH
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The Parasexual Cycle in Aspergillus Parasiticus

Mycologia, 1978
SUMMARYSix diploids of Aspergillus parasiticus involving 12 genetic markers were analyzed by means of the parasexual cycle.
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Aspects of parasexual analysis in Aspergillus parasiticus

Canadian Journal of Microbiology, 1980
A scanning electron microscopic examination of the surface ornamentation of haploid, heterokaryotic, and diploid conidiospores of Aspergillus parasiticus is presented. Previous studies on the parasexual cycle in this aflatoxin-producing species have shown that heterozygous diploids may be isolated with ease.
J W, Bennett, C H, Vinnett, W R, Goynes
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Nanosilica synthesis mediated by Aspergillus parasiticus strain

Fungal Biology, 2018
Rice husks (RHs) are plant waste materials abundant in phytoliths silica bodies. These were used as starting material for fungal-mediated biotransformation leading to the synthesis of a high-value added product. A strain of Aspergillus parasiticus was capable of transforming the amorphous silica conglomerates into structured nanoparticles (NPs) in the ...
Aleksandra, Zielonka, Ewa, Żymańczyk-Duda, Małgorzata, Brzezińska-Rodak, Maciej, Duda, Jakub, Grzesiak, Magdalena, Klimek-Ochab   +5 more
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Oxidases in Aspergillus parasiticus in relation to aflatoxin biosynthesis

Toxicon, 1980
Abstract The effects of asparagine and zinc were studied on the nucleotide oxidases and lipid peroxidase during secondary biosynthesis in A. parasiticus . The activity of NADPH and NADH oxidases was higher in zinc deficient cultures as compared to those in sucrose-low salt cultures and under asparagine deficiency, thereby lowering the NADPH/NADP and
V M, Rao, K K, Maggon, T A, Venkitasubramanian   +2 more
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Generation of aflR disruption mutants of Aspergillus parasiticus

Applied Microbiology and Biotechnology, 2000
The aflR gene of Aspergillus parasiticus and A. flavus encodes a binuclear zinc-finger, DNA-binding protein, AflR, responsible for activating the transcription of all known aflatoxin biosynthetic genes including itself. Studies to determine how environmental and nutritional factors affect aflR expression and hence aflatoxin production in A. parasiticus
J W, Cary, K C, Ehrlich, M, Wright, P K, Chang, D, Bhatnagar   +4 more
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Aflatoxin production by Aspergillus parasiticus in a competitive environment

Mycopathologia, 1977
Aspergillus parasiticus NRRL 2999 was grown in the presence of Rhizopus nigricans, Saccharomyces cerevisiae, Acetobacter aceti, or Brevibacterium linens and aflatoxin concentration was determined after 3,5,7, and 10 days of incubation at 28C. R. nigricans and S. cerevisiae inhibited growth and aflatoxin production by A. parasiticus. B.
L S, Weckbach, E H, Marth
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Reduction of biselenite to elemental selenium by Aspergillus parasiticus

Transactions of the British Mycological Society, 1987
Actively growing mycelium of Aspergillus parasiticus is able to reduce sodium biselenite with the deposition of granules of elemental selenium within the mycelium.
MOSS, MO, BADII, F, GIBBS, G
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BIOENERGETICS OF AFLATOXIN BIOSYNTHESIS IN Aspergillus parasiticus

Journal of Food Science, 1980
ABSTRACT Variations in levels of adenine nucleotides during growth of A. parusiticus were studied under asparagine and zinc deficiency and correlated with aflatoxin biosynthesis. ATP levels decreased gradually from exponential to stationary phase but the reverse was true for
VIDYA M. RAO, S. SARASWATHY, K. K. MAGGON, T. A. VENKITASUBRAMANIAN   +3 more
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Association of aflatoxin biosynthesis and sclerotialdevelopment in Aspergillus parasiticus

Mycopathologia, 2002
Secondary metabolism in fungi is frequently associated with asexual and sexual development. Aspergillus parasiticus produces aflatoxins known to contaminate a variety of agricultural commodities. This strictly mitotic fungus. besides producing conidia asexually, produces sclerotia, structures resistant to harsh conditions and for propagation. Sclerotia
Perng-Kuang, Chang, Joan W, Bennett, Peter J, Cotty   +2 more
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