A novel Niallia nealsonii Bacteria Degrading Phenol Isolated From Oum Ghellaz Lake Shore Soil in Northern Algeria

Document Type : Original Article

Authors

1 Laboratoryfor Experimental Biotoxicology of Biodepollution and Phytoremediation, University of Oran Ahmed Ben Bella 1 . Algeria

2 Laboratory of applied microbiology university, University of Oran Ahmed Ben Bella 1 . Algeria

3 University of Dr. Moulay Tahar, Saida; Algeria.

4 University of Djillali Eliabes, Sidi Belabbes; Algeria.

Abstract

A new indigenous soil phenol-degrading bacterium strain S2 was successfully isolated from Oum ghellaz lake shore soil in Oran in  Algeria. Based on its morphological, physiological and biochemical characteristics, the strain S2 was characterized as a Gram-positive, facultatively anaerobic, forms endospores, and short rod-shaped bacterium that utilizes phenol as a sole carbon and energy source also other phenolic compounds. 16SrDNA sequence analysis revealed that this strain is belongs to Niallia nealsonii in the group of firmicutes. The strain was efficient in removing 91.6% of the initial 500 mg.L-1phenol within 48 h and had a tolerance of phenol concentration as high as 1500 mg.L-1. These results indicated that Niallia nealsonii has promising bioremediation potential.

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