mRNA usage during Drosophila melanogaster embryonic development. Analysis of nine cloned DNA segments

Kelle L. Brogan, Elliott S. Goldstein

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A set of nine phage lambda clones containing inserts from Drosophila melanogaster which are complementary to cDNA made from oocyte poly(A)+ RNA were selected from a larger group. These cloned elements code for a range of middle abundant RNA sequences which show no appreciable change in abundance during Drosophila embryogenesis. Seven of the nine clones are complementary to two oocyte RNAs, one to three RNAs and one to four RNAs. This study describes the changes that occur in these RNAs during embryonic development in the polysomal and non-polysomal fraction, and in the poly(A)+ RNA and poly(A)- RNA fraction. In all nine of these clones, greater than 70% of the complementary RNA is found in the polysomal region of a sucrose gradient. This proportion increases somewhat during development. Specific changes have been found during development in the proportion of RNA that is poly(A)+. Depending to the cloned sequence, this proportion may increase, decrease, or remain unchanged. For those clones that show a change, most of this change occurs between 8 and 19 h of development. Our data suggest, furthermore, the presence of a class of non-adenylated RNA being utilized during embryogenesis.

Original languageEnglish (US)
Pages (from-to)95-103
Number of pages9
JournalExperimental Cell Research
Volume158
Issue number1
DOIs
StatePublished - 1985

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Drosophila melanogaster
Embryonic Development
RNA
Messenger RNA
Clone Cells
DNA
Oocytes
Bacteriophage lambda
Complementary RNA
Drosophila
Sucrose
Complementary DNA

ASJC Scopus subject areas

  • Cell Biology

Cite this

mRNA usage during Drosophila melanogaster embryonic development. Analysis of nine cloned DNA segments. / Brogan, Kelle L.; Goldstein, Elliott S.

In: Experimental Cell Research, Vol. 158, No. 1, 1985, p. 95-103.

Research output: Contribution to journalArticle

Brogan, Kelle L. ; Goldstein, Elliott S. / mRNA usage during Drosophila melanogaster embryonic development. Analysis of nine cloned DNA segments. In: Experimental Cell Research. 1985 ; Vol. 158, No. 1. pp. 95-103.
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