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:: Volume 3, Issue 1 (Spring & Summer 2001) ::
J Gorgan Univ Med Sci 2001, 3(1): 37-40 Back to browse issues page
The comparison study of the effects of Iron on Bacillus Cereus and Escherichia Coli growth
N.Kalantarie (M.Sc) * 1, I.Nahvi (Ph.D) , A.Moshtaghi (Ph.D)
Abstract:   (15964 Views)
Although trace elements such as Iron is an essential nutrient of organisms, it is a toxic substance at high concentration for their growth and also change their metabolic patterns. In order to find out the influence of Iron on gram negative and gram-positive bacteria cells growth, the present investigation has been undertaken. In the series of experiments, B.cereus and E.coli incubated in NB-medium with and without Iron for 5 hours at 37?C. the result showed that addition 5.6 and 11.2 mg/li Fe+² or Fe+³ in medium (Inhibit) growth of B.cereus, but 11.2 mg/li Fe (II) or Fe (III) Inhibits of E.coli growth (P<0.001). These finding suggested that Iron is one of the necessary elements for microorganisms growth, but on the other hand Iron at high concentration has an toxic effect on their growth. B.cereus is more sensitive to toxic dose than E.coli.
Keywords: B.cereus, E.coli, Fe+², Fe+³
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Type of Study: Original Articles | Subject: General
* Corresponding Author Address: Babol University of Medical Sciences


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N.Kalantarie (M.Sc), I.Nahvi (Ph.D), A.Moshtaghi (Ph.D). The comparison study of the effects of Iron on Bacillus Cereus and Escherichia Coli growth . J Gorgan Univ Med Sci 2001; 3 (1) :37-40
URL: http://goums.ac.ir/journal/article-1-119-en.html


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Volume 3, Issue 1 (Spring & Summer 2001) Back to browse issues page
مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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This work is licensed under a Creative Commons — Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)