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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 5, Issue:6, June, 2016

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(6): 210-222
DOI: http://dx.doi.org/10.20546/ijcmas.2016.506.025


Fungal Siderophores Production in Vitro as Affected by Some Abiotic Factors
O.A. Abdel Aziz1, G.A. Helal2, Y.G.M. Galal1 and Abdel Kader S. Rofaida1*
1Atomic Energy Authority, Nuclear Research Center, Soil and Water Research Department, Abou-Zaabal, 13759 Egypt
2Faculty of Science, Botany and Microbiology Department, Zagazig University, Zagazig, 44519 Egypt
*Corresponding author
Abstract:

Siderophores production in vitro was declined with increasing iron concentration in culture media and varied according to fungal strains and irradiation. Irradiated Aspergillus niger strain was superior over irradiated Penicillium oxalicum strain in siderophores production. The highest value of siderophores produced by A. niger, and P. oxalicum, respectively was achieved at pH 5.5 and pH 4.5 value. This holds true with both fungal strains either irradiated or not. Despite of fungal strains, the overall means of culture media reflected the superiority of Sabouraud agar (SA) culture medium on producing siderophores. The maximum siderophores production (73.31) was achieved at 25ºC for both tested fungi. Irradiated or non-irradiated strains of A. niger, and P. oxalicum resulted in the highest siderophores with sucrose as a carbon source and sodium nitrate as nitrogen source. Generally, the two irradiated strains surpass the non-irradiated ones and no significant difference between A. niger and P. oxalicum strains either irradiated or not.


Keywords: A. niger, Abiotic stress, Culture media, Fungi, In vitro, oxalicum, Siderophores.

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How to cite this article:

Abdel Aziz, O.A., G.A. Helal, Y.G.M. Galal and Abdel Kader and Rofaida, S. 2016.  Fungal Siderophores Production in Vitro as Affected by Some Abiotic Factors.Int.J.Curr.Microbiol.App.Sci. 5(6): 210-222. doi: http://dx.doi.org/10.20546/ijcmas.2016.506.025
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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