cloned maize chloroplast dna fragments bam hi 17 ' ( 2470 bp ) and eco ri x ( 1368 bp ) have been shown to be preferred templates for in vitro dna synthesis catalyzed by pea chloroplast dna polymerase preparations [ gold et al . ( 1987 ) proc . natl . acad . sci . usa 84 , 194-198 ] .
C0018619
hi
C0041703
usa