Words similar to tigrina

Example sentences for: tigrina

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We have identified a novel extrachromosomal viral-element (PEVE) in the asexual strain of planarian G. tigrina . PEVE is the first viral element identified in planaria, and comprises two potential helicases that are homologous to proteins from distant viral phyla.
Several DNA sequences similar to the mariner element have been reported in G. tigrina [ 10 16 ] . There are about 7000 copies of this element in the genome, which appear to code for an active transposase [ 10 ] . None of these mariner elements are present in the genomes of other turbellarians, including the species closest to G. tigrina [ 10 ] . With the aid of PCR using specific primers for the planarian mariner element, we isolated and sequenced several clones from sexual and asexual planaria.
Sequence analyses of selected AS-specific clones demonstrated that about 50% contained open reading frames (ORFs) with codon usage unusual for G. tigrina [ 17 ] . Some of these AS-specific ORFs encode polypeptides similar to viral proteins.
Experiments were conducted on both sexual and asexual strains of the planarian Girardia (formerly Dugesia ) tigrina (Platyhelminthes, Turbellaria, Tricladida).
The specimens were assigned to G. tigrina on the basis of their external appearance [ 5 14 15 ] . This strain is morphologically similar to the sexual strain collected previously in Spain [ 5 ] and like the Spanish animals, differs from asexual planaria in their size and details of coloration.