Characteristic features of the nucleotide sequences of yeast mitochondrial ribosomal protein genes as analyzed by computer program GeneMark.

The nucleotide sequence data for yeast mitochondrial ribosomal protein (MRP) genes were analyzed by the computer program GeneMark which predicts the presence of likely genes in sequence data by calculating statistical biases in the appearance of consecutive nucleotides. The program uses a set of standard sequence data for this calculation. We used this program for the analysis of yeast nucleotide sequence data containing MRP genes, hoping to obtain information as to whether they share features in common that are different from other yeast genes. Sequence data sets for ordinary yeast genes and for 27 known MRP genes were used. The MRP genes were nicely predicted as likely genes regardless of the data sets used, whereas other yeast genes were predicted to be likely genes only when the data set for ordinary yeast genes was used. The assembled sequence data for chromosomes II, III, VIII and XI as well as the segmented data for chromosome V were analyzed in a similar manner. In addition to the known MRP genes, eleven ORF's were predicted to be likely MRP genes. Thus, the method seems very powerful in analyzing genes of heterologous origins.

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