| genetic and morphological evidences for the existence of a new species of contracaecum (nematoda: anisakidae) parasite of phalacrocorax brasilianus (gmelin) from chile and its genetic relationships with congeners from fish-eating birds. | abstract contracaecum australe n. sp. is described from the neotropic cormorant phalacrocorax brasilianus in chile based on morphology and the sequence analyses of multiple loci, i.e., mitochondrial cytochrome oxidase 2, mtdna cox-2 , the small subunit of the mitochondrial ribosomal rna gene, rrns , and the its-1 and its-2 regions of nuclear ribosomal dna. moreover, sequence analysis of the same genes was carried out on the morphospecies contracaecum chubutensis garbin et al. (2008) from phalacr ... | 2011 | 21506861 |
| two new species of contracaecum railliet & henry, 1912 (nematoda: anisakidae), c. fagerholmi n. sp. and c. rudolphii f from the brown pelican pelecanus occidentalis in the northern gulf of mexico. | dna sequencing of the nuclear ribosomal dna internal transcribed spacers (its) and mitochondrial rrns and cox2 genes, and analysis of polymorphisms in restriction profiles in the its and rrns, were used to characterise anisakid nematodes belonging to contracaecum railliet & henry, 1912 infecting the brown pelican pelecanus occidentalis (l.) in galveston bay, texas and sarasota bay, florida. molecular data led to the detection of two new species: contracaecum fagerholmi n. sp., which was also sup ... | 2012 | 22139006 |
| contracaecum bioccai n. sp. from the brown pelican pelecanus occidentalis (l.) in colombia (nematoda: anisakidae): morphology, molecular evidence and its genetic relationship with congeners from fish-eating birds. | contracaecum bioccai n. sp. is described from the brown pelican pelecanus occidentalis (l.) in northern colombia (totumo marsh) based on 20 enzyme loci studied using multilocus allozyme electrophoresis. moreover, genetic relationships between the new taxon and related congeners are presented based on allozyme data-sets and sequence analyses (519 bp) of the mtdna-cox2 gene. fixed allele differences were found at some of the allozyme loci analysed in comparison with other contracaecum spp. from pe ... | 2008 | 18038198 |