Dataset Information

Geno2proteo, a Tool for Batch Retrieval of DNA and Protein Sequences from Any Genomic or Protein Regions.

ABSTRACT: The interconversion of sequences that constitute the genome and the proteome is becoming increasingly important due to the generation of large amounts of DNA sequence data. Following mapping of DNA segments to the genome, one fundamentally important task is to find the amino acid sequences which are coded within a list of genomic sections. Conversely, given a series of protein segments, an important task is to find the genomic loci which code for a list of protein regions. To perform these tasks on a region by region basis is extremely laborious when a large number of regions are being studied. We have therefore implemented an R package geno2proteo which performs the two mapping tasks and subsequent sequence retrieval in a batch fashion. In order to make the tool more accessible to users, we have created a web interface of the R package which allows the users to perform the mapping tasks by going to the web page http://sharrocksresources.manchester.ac.uk/tofigaps and using the web service.

SUBMITTER: Li Y

PROVIDER: S-EPMC6798850 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Geno2proteo, a Tool for Batch Retrieval of DNA and Protein Sequences from Any Genomic or Protein Regions.

Li Yaoyong Y Aguilar-Martinez Elisa E Sharrocks Andrew D AD

Journal of integrative bioinformatics 20190713 3

The interconversion of sequences that constitute the genome and the proteome is becoming increasingly important due to the generation of large amounts of DNA sequence data. Following mapping of DNA segments to the genome, one fundamentally important task is to find the amino acid sequences which are coded within a list of genomic sections. Conversely, given a series of protein segments, an important task is to find the genomic loci which code for a list of protein regions. To perform these tasks ...[more]

PMID: 31301672

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Project description:BACKGROUND:Rapidly accumulating genome sequence data from multiple species offer powerful opportunities for the detection of DNA sequence evolution. Phylogenetic tree construction and codon-based tests for natural selection are the prevailing tools used to detect functionally important evolutionary change in protein coding sequences. These analyses often require multiple DNA sequence alignments that maintain the correct reading frame for each collection of putative orthologous sequences. Since this feature is not available in most alignment tools, codon reading frames often must be checked manually before evolutionary analyses can commence. RESULTS:Here we report an online codon-preserved alignment tool (OCPAT) that generates multiple sequence alignments automatically from the coding sequences of any list of human gene IDs and their putative orthologs from genomes of other vertebrate tetrapods. OCPAT is programmed to extract putative orthologous genes from genomes and to align the orthologs with the reading frame maintained in all species. OCPAT also optimizes the alignment by trimming the most variable alignment regions at the 5' and 3' ends of each gene. The resulting output of alignments is returned in several formats, which facilitates further molecular evolutionary analyses by appropriate available software. Alignments are generally robust and reliable, retaining the correct reading frame. The tool can serve as the first step for comparative genomic analyses of protein-coding gene sequences including phylogenetic tree reconstruction and detection of natural selection. We aligned 20,658 human RefSeq mRNAs using OCPAT. Most alignments are missing sequence(s) from at least one species; however, functional annotation clustering of the ~1700 transcripts that were alignable to all species shows that genes involved in multi-subunit protein complexes are highly conserved. CONCLUSION:The OCPAT program facilitates large-scale evolutionary and phylogenetic analyses of entire biological processes, pathways, and diseases.

Dataset Information

Geno2proteo, a Tool for Batch Retrieval of DNA and Protein Sequences from Any Genomic or Protein Regions.

Publications

Geno2proteo, a Tool for Batch Retrieval of DNA and Protein Sequences from Any Genomic or Protein Regions.

Similar Datasets

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