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Lysine Iron Agar, Granulated

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SKU:

GM377

For differentiation of enteric organisms especially Salmonella arizonae, based on their ability to decarboxylate or deaminate lysine and to form hydrogen sulphide (H2S).

Description

Lysine Iron Agar is recommended for differentiation of enteric organisms especially Salmonella arizonae, based on their ability to decarboxylate or deaminate lysine and to form hydrogen sulphide (H₂S). Dextrose is a source of fermentable carbohydrate. Ferric ammonium citrate and sodium thiosulphate are indicators of H2S formation. Cultures that produce hydrogen sulphide cause blackening of the medium due to ferrous sulphide production. Lysine decarboxylation causes an alkaline reaction (purple colour) to give the amine cadaverine and the organisms which do not decarboxylate lysine, produce acid butt (yellow colour).

Product Information

More Information
Product Name	Lysine Iron Agar, Granulated
SKU	GM377
Product Type	Granulated
Physical Form	Granular
Origin	Animal
Packaging type	HDPE
References	1.. Edward P.R. and Fife M.A., 1961, Appl. Microbiol., 9:472.. Moeller V., 1954, Acta Pathol. Microbiol. Scand., 355:253.. Ewing W.H., Davis B.R. and Edward P.R., 1960, Pub. Hlth. Labs., 18:74.. Thatcher F.S. and Clark D.S., 1968, University of Toronto Press, p. 105.. Johnson J.G., Kunz L.J., Barron W. and Ewing W.H., 1966, Appl. Microbiol., 14:21 6.Finegold S.M. and Martin W.J., 1982, Bailey and Scotts Diagnostic Microbiology, 6th ed., The C.V. Mosby Co., St. Louis. 7.Isenberg, H.D. Clinical Microbiology Procedures Handb0ook. 2nd Edition. 8.Jorgensen,J.H., Pfaller , M.A., Carroll, K.C., Funke, G., Landry, M.L., Richter, S.S and Warnock., D.W. (2015)Manual of Clinical Microbiology, 11th Edition. Vol. 1.
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