nuclei isolated from leaf cells of broad bean ( vicia faba l ) by a newly developed method based on the use of citric acid in the isolation medium and flotation on a percoll cushion yielded high molecular weight plant nuclear dna which was suitable for ( i ) analysis by restriction endonucleases , ( ii ) molecular cloning and ( iii ) genomic blot hybridization .
C0007610
nuclei
C0007634
cells