Sequence organization of the ribosomal spacer of D.melanogaster (1982)
Simeone, A., Falco, A. De, Macino, G., Boncinelli, E.
We subcloned several fragments of the rDNA nontranscribed spacer (NTS) of D.melanogaster and analysed their nucleotide sequence. The central portion contains a variable number of 240 base pair...