Visualization of a lampbrush loop-forming fertility gene in Drosophila hydei
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- Grond, C.J., Siegmund, I. & Hennig, W. Chromosoma (1983) 88: 50. doi:10.1007/BF00329503
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Chromatin of D. hydei spermatocytes was spread according to Miller. One of the Y-chromosomal lampbrush loops, called the “nooses”, has been identified in the Miller spreads. It consists of a single giant transcription unit with a DNA length of more than 260 kb. The transcripts of this loop have a complex morphology. Comparison of the lampbrush loop in chromatin spreads and in ultrathin sections revealed that the transcript morphology is maintained during the spreading procedure.