Yolande Diaz-Lazcoz

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Predicting function from sequence using computational tools is a highly complicated procedure that is generally done for each gene individually. This review focuses on the added value that is provided by completely sequenced genomes in function prediction. Various levels of sequence annotation and function prediction are discussed, ranging from genomic(More)
All of the aminoacyl-tRNA synthetase (aaRS) sequences currently available in the data banks have been subjected to a systematic analysis aimed at finding gene duplications, genetic recombinations, and horizontal transfers. Evidence is provided for the occurrence (or probable occurrence) of such phenomena within this class of enzymes. In particular, it is(More)
The availability of specialized sequence databanks for Escherichia coli, Saccharomyces cerevisiae and Bacillus subtilis made it possible to build a set of 105 protein-coding genes that are homologous in these three species. An analysis of the triplets at both the nucleotide and amino acid level revealed that the codon bias of some amino acids are(More)
In conventional hierarchical clustering methods, any object can belong to only one class or cluster. We present here an application of the pyramidal classification method to biological objects, which illustrates the intuitively appealing idea that some objects may belong simultaneously to two classes. In a first step, we performed an all-by-all comparison(More)
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