ArticleMolecular biotechnology2000
The application of databases and PCR in the cloning of glycosidase genes from the protozoan Tritrichomonas foetus.
Article in Molecular biotechnology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors at 2 institutions in 2 countries.
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Abstract
Conserved sequence amplification (CSA) has been used to obtain sequence data for two glycosidase genes from the primitive eukaryote Tritrichomonas foetus. Few genes have been cloned from this organism, and there is little information concerning protein sequence. CSA is reliant on the use of database searches to identify short sequences of 3-9 amino acids conserved within a protein across a wide range of species. PCR primers are then constructed based on this sequence data and the DNA is amplified and sequenced. In the case of the beta-galactosidase gene, N-terminal amino acid sequence data were used to construct a primer that replaced the upstream primer to ensure the amplified product was related to beta-D-galactosidase. CSA was also applied to the gene encoding the enzyme beta-N-acetyl-D-glucosaminidase from T. foetus, but in this case a segment of DNA was amplified, which, if correct, should contain a third conserved motif. The products of the CSA were sequenced, and the data obtained were compared to data in the SwissProt database. The results obtained suggest that this approach is useful for the cloning of genes to obtain novel sequence data from organisms where little genetic information is available.
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