Assessment of SYBR green I dye-based fluorescence assay for screening antimalarial activity of cationic peptides and DNA intercalating agents.

Bhatia, Rakesh and Gautam, Ankur and Gautam, Shailendra K and Mehta, Divya and Kumar, Vinod and Raghava, G.P.S. and Varshney, Grish C (2015) Assessment of SYBR green I dye-based fluorescence assay for screening antimalarial activity of cationic peptides and DNA intercalating agents. Antimicrobial agents and chemotherapy, 59 (5). pp. 2886-9. ISSN 1098-6596

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Abstract

The SYBR green I (SG) dye-based fluorescence assay for screening antimalarial compounds is based on direct quantitation of parasite DNA. We show that DNA-interacting cationic cell-penetrating peptides (CPPs) and intercalating agents compete with SG dye to bind to DNA. Therefore, readouts of this assay, unlike those of the [(3)H]hypoxanthine incorporation assay, for the antimalarial activity of the above DNA binding agents may be erroneous. In the case of CPPs, false readouts can be improved by the removal of excess peptides.

Item Type: Article
Additional Information: Copyright of this article belongs to ASM.
Uncontrolled Keywords: Bioinformatics; DNA Intercalating Agents
Subjects: Q Science > QR Microbiology
Depositing User: Dr. K.P.S.Sengar
Date Deposited: 11 Jul 2015 05:18
Last Modified: 11 Jul 2015 05:18
URI: http://crdd.osdd.net/open/id/eprint/1661

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