Isolation, characterization of heavy metal resistant strain of Pseudomonas aeruginosa isolated from polluted sites in Assiut city, Egypt

S. H.A. Hassan, R. N.N. Abskharon, S. M.F. Gad El-Rab, A. A.M. Shoreit

نتاج البحث: المساهمة في مجلةمراجعة النظراء

45 الاقتباسات (SciVal)

ملخص

Sixty six isolates of Pseudomonas spp. 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 weight 27 Kb for nickel and lead. It was identified as Pseudomonas aeruginosa ASU 6a. Its minimal inhibitory concentration (MIC) for Cu2+, Co2+, Ni2+, Zn2+, Cr3+, Cd2+and Pb2+ were 6.3, 5.9, 6.8, 9.2, 5.8, 4.4, and 3.1 mM, respectively. Growth kinetics and the maximum adsorption capacities were determined under Ni2+ and Pb 2+ stress. The latter heavy metals induced potassium efflux and were used as indicator for plasma membrane permeabilization.

اللغة الأصليةEnglish
الصفحات (من إلى)168-176
عدد الصفحات9
دوريةJournal of Basic Microbiology
مستوى الصوت48
رقم الإصدار3
المعرِّفات الرقمية للأشياء
حالة النشرPublished - يونيو 2008
منشور خارجيًانعم

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