M. Asgari, Mahsa Mohammadlou, A. Eskandari, J. Abolafia, R. Peña‐Santiago
{"title":"Morphological and molecular characterisation of Talanema maculatum sp. n. (Dorylaimida, Qudsianematidae) from Iran","authors":"M. Asgari, Mahsa Mohammadlou, A. Eskandari, J. Abolafia, R. Peña‐Santiago","doi":"10.1163/15685411-bja10242","DOIUrl":null,"url":null,"abstract":"\nA new species of the genus Talanema, T. maculatum sp. n., collected in a natural enclave of Iran, is characterised on the basis of morphological and molecular data. It is distinguishable by its 1.82-2.20 mm long body, lip region offset by constriction and 20-23 μm wide with perioral liplets, odontostyle 21.5-28 μm long, guiding ring double, neck 394-525 μm long, pharyngeal expansion occupying 44-49% of the total neck length, uterus tripartite and 308-441 μm long or 5.1-6.8 body diam., vulva transverse (V = 54-58), presence of abundant cuticle irregularities at the perivulval area, tail similar in both sexes, conical with a dorsal concavity (31-45 μm, c = 46-71, c′ = 0.9-1.1), spicules 70-75 μm long, and 14-18 shortly spaced ventromedian supplements ending at level of the anterior end of spicules, with hiatus. Molecular analysis of 28S-rDNA gene confirms the monophyly of Talanema and the difficulties in elucidating its external evolutionary relationships.","PeriodicalId":18928,"journal":{"name":"Nematology","volume":null,"pages":null},"PeriodicalIF":1.2000,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nematology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1163/15685411-bja10242","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ZOOLOGY","Score":null,"Total":0}
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Abstract
A new species of the genus Talanema, T. maculatum sp. n., collected in a natural enclave of Iran, is characterised on the basis of morphological and molecular data. It is distinguishable by its 1.82-2.20 mm long body, lip region offset by constriction and 20-23 μm wide with perioral liplets, odontostyle 21.5-28 μm long, guiding ring double, neck 394-525 μm long, pharyngeal expansion occupying 44-49% of the total neck length, uterus tripartite and 308-441 μm long or 5.1-6.8 body diam., vulva transverse (V = 54-58), presence of abundant cuticle irregularities at the perivulval area, tail similar in both sexes, conical with a dorsal concavity (31-45 μm, c = 46-71, c′ = 0.9-1.1), spicules 70-75 μm long, and 14-18 shortly spaced ventromedian supplements ending at level of the anterior end of spicules, with hiatus. Molecular analysis of 28S-rDNA gene confirms the monophyly of Talanema and the difficulties in elucidating its external evolutionary relationships.
期刊介绍：
Nematology is an international journal for the publication of all aspects of nematological research (with the exception of vertebrate parasitology), from molecular biology to field studies. Papers on nematode parasites of arthropods, and on soil free-living nematodes, and on interactions of these and other organisms, are particularly welcome. Research on fresh water and marine nematodes is also considered when the observations are of more general interest.
Nematology publishes full research papers, short communications, Forum articles (which permit an author to express a view on current or fundamental subjects), perspectives on nematology, and reviews of books and other media.
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