Informatics Publishing Limited

A. R. Kumar ¹, N. Yadav ¹, A. K. Gupta ², K. Parvin ¹, U. Tripathi ¹, V. Verma ¹

Affiliations
1 Department of Foods and Nutrition, Allahabad Agricultural Institute-Deemed University, Allahahad-211 007, IN
2 Department of Biochemistry, Allahabad Agricultural Institute-Deemed University, Allahahad-211 007, IN

Abstract

Adolescence is one of the nutritional stress period of life. With profound growth of adolescence comes increased demands for energy, protein, minerals and vitamins. The adolescent's normal haemoglobin levels, according to Srilakshmi' are 11-13 per cent for girls and low heamoglobin level which is known as anemia, continues to be a major public health problem, particularly among females of reproductive age in developing countries. In India adolescents form about 21 per cent of the population.

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Tanveer A. Shah ¹, Imtiyaz Murtaza ², V. Verma ³, Arif Ali ¹

Affiliations
1 Gene Expression Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, IN
2 Divison of Post Harvest Technology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar (J&K), IN
3 S.M.V.D. University, Katra, Jammu (J&K), IN

Abstract

Bacteria (E. coli) isolated from different aquatic bodies of India were analyzed for their tolerance to mercury (HgCl2 ). Out of the 30 isolates of E. coli, collected from water samples of four geographically distinct regions and hospital settings in India, 8 strains showed significantly high levels of tolerance to the inorganic form of mercury i.e mercury chloride (HgCl2). All the eight strains revealed the presence of a plasmid of approximately 24kb, and transformation of the isolated plasmids into the mercury-sensitive competent cells of E. coli DH5 rendered the transformants resistant to the same concentration of mercury as wild type-strains.

Keywords

Escherichia Coli, Mercury Resistance, Mercuric Reductase (merA) Gene.

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