Noncanonical RNAs from transcripts of the Drosophila muscleblind gene

Article Abstract:

A description is provided on the new cDNAs from the Drosophila melanogaster muscleblind (mbl) locus that identify noncanonical RNA molecules. Noncanonical transcripts are small, poorly polyadenylated, strongly retarded in high-percentage polyacrylamide gel electrophoreses (PAGEs) and are characterized with the help of a partial exon 2 tandem repetition in the absence of additional exonic sequences.

Spain, Analysis, Usage, Polymerase chain reaction, Gel electrophoresis, RNA splicing

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Evolutionary rearrangement of the amylase genomic regions between Drosophila melanogaster and Drosophila pseudoobscura

Article Abstract:

The complete sequences of the 73A and 78C regions are compared to the D. melanogaster genome to determine whether the coding region for amylase is present in both regions. The evolutionary mechanism responsible for the observed distribution of the amylase gene or genes is assessed.

Genomes, Genetic research

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Genetic Coadaptation of the Amylase Gene System in Drosophila melanogaster: Evidence for the Selective Advantage of the Lowest AMY Activity and of Its Epistatic Genetic Background

Article Abstract:

Research on alpha-amylase activity (AMY) shows that the Amy gene system for Drosophila melanogaster is undergoing natural selection for adaptation to different food environments of local D. melanogaster populations.

Physiological aspects, Natural selection, Adaptation (Biology), Evolutionary adaptation

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