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Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid

Year 2008, Volume: 2 Issue: 3, 31 - 33, 01.11.2008

Tugba Subaşıoğlu Emir Cansunar

Abstract

A selected Pseudomonas aeruginosa strain was grown on the basal medium and inspected for rhamnolipid biosurfactant production. In order to increase the rhamnolipid production, limitations of both magnesium and iron elements in the basal medium were tested. The Fe concentrations of 0.05 g/L and above inhibited the increase in both cell growth and rhamnolipid production. Mg concentration had a negligible effect on rhamnolipid levels than Fe. While Carbon/Mg ratios were between 400-2000, biosurfactant concentration increased and when Carbon/Fe ratio was above 5000, biosurfactant production increased until the ratio reached about to 105. In addition to the nutrients, effects of pH and temperature were also investigated. Culture broths were incubated at between 20-40oC. Maximum rhamnolipid production and cell growth were observed at 34.5oC. Optimum pH values for rhamnolipid production were found between 6.5-7.0

Keywords

Biosurfactant Pseudomonas aeruginosa rhamnolipid Fe limitation Mg limitation

Year 2008, Volume: 2 Issue: 3, 31 - 33, 01.11.2008

Tugba Subaşıoğlu Emir Cansunar

Abstract

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Details

Other ID JA26SA98TE
Journal Section Research Article
Authors

Tugba Subaşıoğlu This is me

Emir Cansunar This is me

Publication Date November 1, 2008
Published in Issue Year 2008 Volume: 2 Issue: 3

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APA Subaşıoğlu, T., & Cansunar, E. (2008). Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid. Journal of Applied Biological Sciences, 2(3), 31-33.
AMA Subaşıoğlu T, Cansunar E. Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid. J.appl.biol.sci. November 2008;2(3):31-33.
Chicago Subaşıoğlu, Tugba, and Emir Cansunar. “Effects of Fe - Mg Limitations and Physiological Factors on P. Aeruginosa Rhamnolipid”. Journal of Applied Biological Sciences 2, no. 3 (November 2008): 31-33.
EndNote Subaşıoğlu T, Cansunar E (November 1, 2008) Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid. Journal of Applied Biological Sciences 2 3 31–33.
IEEE T. Subaşıoğlu and E. Cansunar, “Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid”, J.appl.biol.sci., vol. 2, no. 3, pp. 31–33, 2008.
ISNAD Subaşıoğlu, Tugba - Cansunar, Emir. “Effects of Fe - Mg Limitations and Physiological Factors on P. Aeruginosa Rhamnolipid”. Journal of Applied Biological Sciences 2/3 (November 2008), 31-33.
JAMA Subaşıoğlu T, Cansunar E. Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid. J.appl.biol.sci. 2008;2:31–33.
MLA Subaşıoğlu, Tugba and Emir Cansunar. “Effects of Fe - Mg Limitations and Physiological Factors on P. Aeruginosa Rhamnolipid”. Journal of Applied Biological Sciences, vol. 2, no. 3, 2008, pp. 31-33.
Vancouver Subaşıoğlu T, Cansunar E. Effects of Fe - Mg Limitations and Physiological Factors on P. aeruginosa Rhamnolipid. J.appl.biol.sci. 2008;2(3):31-3.