injection of the histone gene repeat h22 dna of psammechinus miliaris into the xenopus oocyte nucleus results in correct initiation of the histone mrnas , but readthrough by rna polymerase occurs at the 3 ' end of the h3 histone gene ( hentschel , c. c. , probst , e. & birnstiel , m. l. ( 1980 ) nature ( london ) 288 , 100-102 ) .
C0007610
nucleus
C0086412
3