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

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Assessment of SYBR green I dye-based fluorescence assay for screening antimalarial activity of cationic peptides and DNA intercalating agents.
 
Creator Bhatia, Rakesh
Gautam, Ankur
Gautam, Shailendra K
Mehta, Divya
Kumar, Vinod
Raghava, G.P.S.
Varshney, Grish C
 
Subject QR Microbiology
 
Description 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.
 
Publisher American Society for Microbiology
 
Date 2015-05
 
Type Article
PeerReviewed
 
Relation http://aac.asm.org/content/early/2015/02/10/AAC.03266-14.full.pdf
http://crdd.osdd.net/open/1661/
 
Identifier 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