A Corn Trypsin Inhibitor with Antifungal Activity Inhibits Aspergillus flavus α-Amylase

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A Corn Trypsin Inhibitor with Antifungal Activity Inhibits Aspergillus flavus α-Amylase

Chen, Z.-Y., Brown, R. L., Russin, J. S., Lax, A. R., and Cleveland, T. E. 1999. A corn trypsin inhibitor with antifungal activity inhibits Aspergillus flavus α-amylase. Phytopathology 89:902-907. In this study, we found that the inhibition of fungal growth in potato dextrose broth (PDB) medium by the 14-kDa corn trypsin inhibitor (TI) protein, previously found to be associated with host resist...

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A maize trypsin inhibitor (ZmTIp) with limited activity against Aspergillus flavus.

Infection of maize both pre- and postharvest by Aspergillus flavus is a severe agricultural problem in the southern United States. Aflatoxins are secondary metabolites produced by A. flavus and are carcinogenic to humans and animals upon ingestion. Extensive research has been conducted to identify sources of resistance to A. flavus in maize. Some maize genotypes exhibit greater resistance to A....

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Bacillomycin D: an iturin with antifungal activity against Aspergillus flavus.

AIMS In a search for an antifungal peptide with a high activity against Aspergillus flavus, Bacillus subtilis AU195 was selected from a collection of isolates with antagonistic activity against A. flavus. METHODS AND RESULTS To identify the antifungal peptides, a protein purification scheme was developed based on the detection of the antifungal activity in purified fractions against A. flavus...

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Volatile trans-2-hexenal, a soybean aldehyde, inhibits Aspergillus flavus growth and aflatoxin production in corn.

UNLABELLED Trans-2-hexenal, a volatile aldehyde, is produced by soybean (Glycine max [L.] Merr) and other plants via the lipoxygenase pathway. In vitro tests showed it significantly (P < 0.001) reduced Aspergillus flavus germinating conidial viability at 10 μM, with approximately 95% viability reduction observed at 20 μM. The viability of nongerminated conidia was not reduced. To test the effec...

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Screening of Aspergillus Niger and A. Flavus Strains for Extra Cellular Alpha-amylase Activity

Five fungal strains of each of the two filamentous fungi viz., Aspergillus niger Van Tieghem and A. flavus Link ex Gray, indigenous to Pakistan, were screened for their alpha-amylase activity. Different selected strains were grown on two growth media viz., Potato Dextrose Agar (PDA) and Enzyme Production Medium (EPM), at three pH levels viz., 4.5, 5.5 and 6.5, in all the possible combinations. ...

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ژورنال

عنوان ژورنال: Phytopathology®

سال: 1999

ISSN: 0031-949X,1943-7684

DOI: 10.1094/phyto.1999.89.10.902