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OJVRTM

 Online Journal of Veterinary Research©

Volume 15(6): 500-510, 2011. Redacted 2017.

Genetic characterization of Nematodirella cameli  by internal transcribed spacer rDNA

 

Hassan Sharifiyazdi, Nasrin Moghaddar, Sedigheh Gorjipour, Seyed Mostafa Modarresmusavi

 

Department(s) of Clinical Sciences and Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.

 

ABSTRACT

 

Sharifiyazdi H, Moghaddar N, Gorjipour S, Modarresmusavi SM,  Genetic characterization of Nematodirella cameli  by internal transcribed spacer rDNA, Onl J Vet Res.,  15(6): 500-510, 2011. The current classification of Nematodirinae, with genera, Murielus, Rauschia, Nematodiroides, Nematodirus, and Nematodirella is based on phylogeny generated from morphological characters. We describe morphological phylogenetics of Nematodirella cameli by molecular methods. Sequences from the 1st and 2nd internal transcribed spacers ITS-1 and ITS-2 of rDNA were used to infer phylogenetic position of N. cameli in Nematodirinae. Molecular data showed a closer relationship between the N. cameli and Nematodirus species. Interestingly, the data from the phylogenetic analyses (MP and NJ) indicate that Nematodirella may not be a distinct genus in Nematodirinae because of the closer phylogenetic relationship of N. cameli with  Nematodirus lineage. This finding is not supported by previous phylogenetic reconstructions based on morphological data. However, phylogenetic analysis needs more target sequences for Murielus, Rauschia, Nematodiroides and other Nematodirella species to test morphological concepts of defined genera in Nematodirinae.

 

Keywords: Nematodirella cameli, Internal transcribed spacer (ITS), phylogenetic analysis, Camel, Iran

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