Reference: Auclair D, et al. (1994) Analysis of genes encoding highly conserved lysine-rich proteins in Aplysia californica and Saccharomyces cerevisiae. Eur J Biochem 220(3):997-1003

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Abstract


To isolate a gene that can be used as an internal control in studies on gene expression in Aplysia californica neurons, we have characterized a cDNA clone (pKRP-A) isolated on the basis of its high expression in A. californica neurons. This cDNA is of 850 nucleotides and codes for a putative 29-kDa lysine-rich protein. Blotting experiments revealed that the gene is expressed in all tested A. californica tissues, and in individually identified neurons of the abdominal ganglion, suggesting that this gene can be efficiently used as internal control in studies of gene expression. We have also isolated one cDNA and two different genomic clones from yeast libraries that show 59% identity with pKRP-A. Sequence comparison of genomic clones, as well as PCR and Southern blotting experiments, revealed that at least two homologous genes are present in yeast. Northern blotting experiments revealed that the expression of the gene is strongly repressed at 39 degrees C.

Reference Type
Comparative Study | Journal Article | Research Support, Non-U.S. Gov't
Authors
Auclair D, Lang BF, Forest P, Desgroseillers L
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