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The CXC group of chemokines exert their cellular effects via the CXCR group of G-protein coupled receptors. Six CXCR genes have been identified in humans (CXCR1-6), and homologues to some of these have been isolated from a range of vertebrate species. Here we isolate and characterize CXCR genes from a range of elasmobranch species. One CXCR1/2 gene fragment isolated from Scyliorhinus caniculus (lesser spotted catshark), and two CXCR1/2 copies from each of the elasmobranchs, Cetorhinus maximus (basking shark), Carcharodon carcharias (great white shark), and Raja naevus (cuckoo ray), exhibit high similarity to both CXCR1 and CXCR2. The two copies evident in the cuckoo ray and lamniform sharks provide strong evidence of CXCR1/2 lineage specific duplication in rays and sharks. A CXCR fragment isolated from Lamna ditropis (salmon shark) shows high similarity to a range of CXCR4 genes and strong clustering with CXCR4 gene homologues was apparent during phylogenetic reconstruction.
Pubmed ID: 15572071 RIS Download
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Software analysis package for molecular biology community. Automatically copes with data in variety of formats and allows transparent retrieval of sequence data from web. Libraries are provided with package. Provides toolkit for creating bioinformatics applications or workflows. Provides set of sequence analysis programs. Provided programs cover areas such as sequence alignment, rapid database searching with sequence patterns, protein motif identification, nucleotide sequence pattern analysis, codon usage analysis for small genomes, rapid identification of sequence patterns in large scale sequence sets, and presentation tools for publication.
View all literature mentionsSoftware package for DNA and protein sequence alignment to find regions of local or global similarity between Protein or DNA sequences, either by searching Protein or DNA databases, or by identifying local duplications within a sequence.
View all literature mentionsSoftware tool for nucleotide sequence alignment. Graphical version of multiple sequence alignment program for DNA and proteins. Windows interface for ClustalW multiple sequence alignment program. Provides integrated environment for performing multiple sequence and profile alignments and analyzing results. Available on Linux, Mac and Windows.
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