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The size of poly(A)-containing RNAs inDrosophila melanogasterembryos

✍ Scribed by Mary M. Lamb; Charles D. Laird

Publisher: Springer
Year: 1976
Tongue: English
Weight: 764 KB
Volume: 14
Category: Article
ISSN: 0006-2928
DOI: 10.1007/bf00484774

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✦ Synopsis

The size range of poly(A)-containing RNA from Drosophila melanogaster embryos has been estimated by hybridization with 3H-labeled poly(U) and subsequent fractionation on sucrose gradients. The median size of nuclear poly(A)-containing RNA is about 30 S (6000 nueleotides), and the median size of cytoplasmic poly(A)-containing RNA is about 17 S (1800 nucleotides). The relationship of these sizes to messenger RNA needed to code for protein and to the length of DNA contained in a chromomere is discussed.

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