Search results for " duplication"

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Conservation of the positions of metazoan introns from sponges to humans

2002

Abstract Sponges (phylum Porifera) are the phylogenetic oldest Metazoa still extant. They can be considered as reference animals (Urmetazoa) for the understanding of the evolutionary processes resulting in the creation of Metazoa in general and also for the metazoan gene organization in particular. In the marine sponge Suberites domuncula , genes encoding p38 and JNK kinases contain nine and twelve introns, respectively. Eight introns in both genes share the same positions and the identical phases. One p38 intron slipped for six bases and the JNK gene has three more introns. However, the sequences of the introns are not conserved and the introns in JNK gene are generally much longer. Intron…

xMolecular Sequence Datap38 Mitogen-Activated Protein KinasesExonGene duplicationGeneticsAnimalsHumansCoding regionGroup I catalytic intronAmino Acid SequenceGeneConserved SequencePhylogenyCaenorhabditis elegansGeneticsBase SequenceSequence Homology Amino AcidbiologyCalcium-Binding ProteinsMicrofilament ProteinsJNK Mitogen-Activated Protein KinasesIntronDNASequence Analysis DNAGeneral MedicineGroup II intronbiology.organism_classificationIntronsPoriferaDNA-Binding ProteinsMitogen-Activated Protein KinasesSequence AlignmentGene
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