Citas bibligráficas
Salinas, I., (2012). Prueba del ácido glutámico descarboxilasa modificado para la rápida identificación de escherichia coli aisladas en urocultivos [Tesis de segunda especialidad, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/2084
Salinas, I., Prueba del ácido glutámico descarboxilasa modificado para la rápida identificación de escherichia coli aisladas en urocultivos [Tesis de segunda especialidad]. PE: Universidad Nacional Mayor de San Marcos; 2012. https://hdl.handle.net/20.500.12672/2084
@misc{renati/475985,
title = "Prueba del ácido glutámico descarboxilasa modificado para la rápida identificación de escherichia coli aisladas en urocultivos",
author = "Salinas Salcedo, Iván Alexander",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2012"
}
--- Objetive: To evaluate the Glutamic Acid Decarboxylase (GAD) modified Testforrapid identification of Escherichia coli fromurine cultures. Methods: A total of 257 bacterial isolatesfrom urocultures were tested. As controls, bacterial isolates from other clinical samples and ATCC strains were also tested. In order to determinate the sensibility, specificity and the exactitude of the GAD test, the conventional biochemical identification for enterobacteria were used as Gold Standard. Results: All isolated strains of Escherichia coli were positive by themodifiedGAD test, even the lactose‐negative E. coli strains, giving a sensitivity of 100%. Other enterobacteria strains were negative by the modified GAD, even when the period of incubation was 24 hours, giving a specificity of 100%. However, Shigella flexneri and Shigella sonnei strains showed positive results when it was assayed on the modified GADtest. Conclusion: The modified GAD test can identify correctly any isolate of E. coli from urocultures with a high sensitivity and specificity, and is suitable for carrying out in any laboratory. Keywords: Escherichia coli; modified GAD test; Monosodium Glutamate; Urine culture.
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