1265
Modifications of the original DDPCR protocol , which we found can potentially decrease the frequency of isolating false-positive DESTs , are described and the merits of DDPCR , relative to other differential cDNA cloning strategies , are discussed.
 ( DNA: DESTs, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: DESTs, None) 