dixon [ proc . natl acad . sci . u.s.a. 74 , 2810 -- 2814 ( 1977 ) ] have shown that h6 is selectively solubilized when trout testis nuclei ( or chromatin ) are digested with dnase i under conditions which preferentially hydrolyze that portion of dna enriched in transcribed sequences [ levy , w. b . & dixon , g. h. ( 1977 ) nucleic acids res . 4 , 883 -- 898 ] .
C0007610
nuclei
C0008546
chromatin