analytical centrifugation in a self-generated cscl density gradient revealed the occurrence of a heavy satellite dna band ( p = 1.712 g x cm-3 ) in addition to the main dna band ( p = 1.696 g x cm-3 ) in the dna preparation extracted from ga3-treated seedlings , that could not be detected in the dna isolated from untreated plants .
C0012934
satellite dna
C0012854
dna