ISSN: 0973-7510

E-ISSN: 2581-690X

Hashem Abeer1 and Abd_Allah EF2
1Department of Botany and Microbiology, Faculty of Science, King Saud University, Riyadh 11451, Saudi Arabia.
2Department of Plant Production, Faculty of Food and Agricultural Sciences, King Saud University, Riyadh – 11451, Saudi Arabia.
J Pure Appl Microbiol. 2014;8(5):3937-3943
© The Author(s). 2014
Received: 10/08/2014 | Accepted: 21/09/2014 | Published: 31/10/2014
Abstract

A laboratory experiment was conducted to examine the propolis-induced changes on Aspergillus terreus as common producer of carcinogenic citrinin in seeds, feed, food and foodstuff. Keeping in view the attributes of growth criteria and citrinin production of A. terreus, propolis was very effective significantly in decreasing mold growth and mycotoxin production. The alterations in elements accumulation were negatively due to impact of propolis. The amino acids metabolism as key physio-biochemical attributes of fungal metabolism directly influenced by propolis negatively. The accumulation of both glutamic acid and proline due to propolis was observed, signalize to the activation of glutamate kinase followed by glutamine synthetase (for glutamic acid) and ³-semialdehyde dehydrogenase (for proline), respectively. The alteration in amino acids metabolism indicated clearly too significant modifications in mold metabolic process towards catabolism.

Keywords

Propolis, Aspergillus terreus, Citrinin, amino acids, elements accumulation

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