Article
Autosomal mutations affecting Y chromosome loops in Drosophila melanogaster.
BMC genetics - 11 Apr 2008
Ceprani Francesca, Raffa Grazia D, Petrucci Romano, Piergentili Roberto
Abstract excerpt
BACKGROUND: The Y chromosome of Drosophila melanogaster harbors several genes required for male fertility. The genes for these fertility factors are very large in size and contain conspicuous amounts of repetitive DNA and transposons. Three of these loci (ks-1, kl-3 and kl-5) have the ability to develop giant lampbrush-like loops in primary spermatocytes, a cytological manifestation of their active state in these...
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