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Título: | Molecular and morphological characterisations of two new species of Rotylenchus (Nematoda: Hoplolaimidae) from Iran |
Autor: | Reza Atighi, Mohammad; Pourjam, Ebrahim; Pedram, Majid; Cantalapiedra-Navarrete, C. CSIC; Palomares Rius, Juan E. CSIC ORCID; Castillo, Pablo CSIC ORCID | Palabras clave: | D2-D3 Molecular Morphology Morphometrics Oriental Beech tree Phylogeny Rotylenchus Conicaudatus N. SP Rotylenchus Iranicus N. SP Spiral nematodes Taxonomy |
Fecha de publicación: | 2011 | Editor: | Brill Academic Publishers | Citación: | Nematology 13(8): 951-964 (2011) | Resumen: | Two new amphimictic species, Rotylenchus iranicus n. sp. and R. conicaudatus n. sp., are described. Rotylenchus iranicus n. sp. is characterised mainly by an offset hemispherical lip region with 5-6, rarely 7, annuli, stylet 39-44 μm long, vulva located at 53-65% and rounded tail with 4-9 annuli and typical smooth tip. Morphologically this species is related to R. montanus, R. provincialis and R. aqualamus. Rotylenchus conicaudatus n. sp. is characterised mainly by a slightly offset conoid-rounded lip region with four or five, rarely six annuli, stylet 27-32 μm long, vulva located at 52-63% and conoid-rounded tail with 10-16 annuli and a typical annulated tip. Morphologically this species is related to R. pumilus, R. abnormecaudatus, R. acuspicaudatus and R. provincialis. The results of the phylogenetic analysis based on sequences of the D2-D3 expansion regions of 28S and ITS1-rRNA genes confirmed the species differentiation. Phylogenetic relationships with other species were difficult to assign using D2-D3 expansion regions of 28S. However, using ITS1-rRNA, R. conicaudatus n. sp. presented a close relationship with R. unisexus, whilst R. iranicus n. sp. was closely related to R. conicaudatus n. sp., R. unisexus, R. incultus and R. laurentinus. | Versión del editor: | http://dx.doi.org/10.1163/138855411X571795 | URI: | http://hdl.handle.net/10261/89926 | DOI: | 10.1163/138855411X571795 | Identificadores: | doi: 10.1163/138855411X571795 issn: 1388-5545 e-issn: 1568-5411 |
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