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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Heavy metal resistant of E. coli isolated from wastewater sites in Assiut City, Egypt
Bulletin of Environmental Contamination and Toxicology, Volume 81, No. 3, Year 2008
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Description
Twelve isolates of E. coli were isolated from wastewater of El-Malah canal located in Assiut, Egypt and were checked for their heavy metal tolerance. One isolate has tested for its multiple metal resistances and found to be plasmid mediated with molecular weights 27 and 65 kb for hexa- and trivalent chromium. It was identified as E. coli ASU 7. Its minimal inhibitory concentration (MIC) for Cu 2+, Co 2+, Ni 2+, Zn 2+, Cr 6+, Cr 3+, Cd 2+ and Pb 2+ were 1.57, 2.55, 1.7, 9.17, 0.48, 7.69, 4.4 and 3.1 mM, respectively. Growth kinetics was determined under Cr 6+ and Cr 3+ stress. SDS-PAGE of protein profile shows that 10 ppm (0.19 mM) of Cr 6+ induces new protein with molecular weight 23 kDa. © 2008 Springer Science+Business Media, LLC.
Authors & Co-Authors
Abskharon, Romany N.N.
Egypt, Asyut
Faculty of Science
Hassan, Sedky H.A.
Egypt, Asyut
Faculty of Science
Gad El-Rab, Sanaa M.F.
Egypt, Asyut
Faculty of Science
Shoreit, Ahmed Abdelfattah Mohamed
Egypt, Asyut
Faculty of Science
Statistics
Citations: 40
Authors: 4
Affiliations: 1
Identifiers
Doi:
10.1007/s00128-008-9494-6
ISSN:
00074861
Study Locations
Egypt