Dataset Information

Butlerius butleri Goodey, 1929 (Rhabditida) from Iran with the Phylogenetic Position of the Species.

ABSTRACT: A population of Butlerius butleri Goodey, 1929 was isolated from vermicompost in Kerman in the Kerman Province of Iran during a nematode survey that was conducted during 2014. This population of B. butleri is characterized by the presence of a dorsal thorn-like tooth (4 to 5 ?m long), long spicules (44 to 47 ?m long), gubernaculum (33 to 37 ?m or more than half of the spicule length), three pairs of precloacal papillae, five pairs of postcloacal papillae (papillae V3 and V5 comprising three small papillae), and a long filiform tail (304 to 409 ?m in females, 312 to 380 ?m in males). Molecular and phylogenetic analysis of B. butleri individuals from this Iranian population based on 18S ribosomal deoxyribonucleic acid (rDNA) sequence placed this species close to Pseudodiplogasteroides compositus (AB597237) and an unidentified Pseudodiplogasteroides species (AB597238). Measurements, illustrations, and the phylogenetic tree, including the position of B. butleri are provided.

SUBMITTER: Shokoohi E

PROVIDER: S-EPMC4755711 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Butlerius butleri Goodey, 1929 (Rhabditida) from Iran with the Phylogenetic Position of the Species.

Shokoohi Ebrahim E Panahi Hadi H Fourie Hendrika H Abolafia Joaquín J

Journal of nematology 20151201 4

A population of Butlerius butleri Goodey, 1929 was isolated from vermicompost in Kerman in the Kerman Province of Iran during a nematode survey that was conducted during 2014. This population of B. butleri is characterized by the presence of a dorsal thorn-like tooth (4 to 5 μm long), long spicules (44 to 47 μm long), gubernaculum (33 to 37 μm or more than half of the spicule length), three pairs of precloacal papillae, five pairs of postcloacal papillae (papillae V3 and V5 comprising three smal ...[more]

PMID: 26941465

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Project description:Two ektaphelenchid nematodes representing one new and one known species are illustrated and characterized using morphological and molecular data. Ektaphelenchus kanzakii n. sp. is mainly characterized by its tripartite stylet having a well visible wide lumen, encompassing a sclerotized and acute anterior part (the conus), a short and slightly tapering middle part (the conophore) that is equally sclerotized but clearly separate from the conus, and a long posterior part that is cylindrical and only weakly sclerotized (the shaft) without basal knobs or swellings. It is further characterized by 863.5 (772-926) μm long females having 23.8 (21.2-27.0) μm long total stylet, distinctly annulated cuticle, three lines in lateral field, vulva at 76.6 (75.3-80.0)%, no rectum, vestigial anus in some individuals, conical posterior body end (tail) with narrow ventrally bent tip, common males in population with two pairs of caudal papillae (the single precloacal papilla and the third caudal pair lacking), spicules with dorsally bent tip and conical tail with sharp or blunt tip. The new species is morphologically compared with close species having conical posterior body end and stylet lacking basal knobs or swellings. Iranian population of Devibursaphelenchus teratospicularis, the second studied species, is characterized by 679.5 (620-709) μm long females having 18.6 (17.5-20.0) μm long total stylet with similar structure to the previous species, subcylindrical body end with widely rounded tip, and rare males with typical spicules of this species and a pair of precloacal and a pair of caudal papillae. Molecular phylogenetic studies of the two recovered species using small and large subunit ribosomal DNA (SSU and LSU rDNA) partial sequences revealed they have close phylogenetic affinities with Ektaphelenchus obtusus in both reconstructed trees. However, species of both genera Ektaphelenchus and Devibursaphelenchus don't form monophyletic groups in SSU and LSU trees. New observations on stylet structure of the two presently studied and some other ektaphelenchid species having available light microphotographs (LM) yielded on definition of a new term "conophore" for the middle part of the ektaphelenchid-type tripartite stylet.

Dataset Information

Butlerius butleri Goodey, 1929 (Rhabditida) from Iran with the Phylogenetic Position of the Species.

Publications

Butlerius butleri Goodey, 1929 (Rhabditida) from Iran with the Phylogenetic Position of the Species.

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