Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-10T10:17:41.097Z Has data issue: false hasContentIssue false
  • English
  • Français

A new species of the genus Paurodontella Husain & Khan, 1968 (Nematoda: Hexatylina, Sphaerularioidea) with its molecular phylogenetic study

Published online by Cambridge University Press:  12 September 2022

Mehrab Esmaeili  and
Ramin Heydari Open the ORCID record for Ramin Heydari [Opens in a new window]
Mehrab Esmaeili
Affiliation:
Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
Ramin Heydari*
Affiliation:
Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
*
Author for correspondence: Ramin Heydari, E-mail: rheydari@ut.ac.ir
Get access Rights & Permissions [Opens in a new window]

Abstract

A new species of the genus Paurodontella, Paurodontella minora n. sp., collected from Alborz Province, Iran, is described and illustrated based on morphological and molecular characters. The new species is characterized by its body length of 393 (350–438) μm and 380 (n = 1) μm in female and male, respectively, 6–7 incisures in lateral field, lip region annulated and continuous with body contour, and total stylet 6.1 (5.5–7.0) μm long. Basal pharyngeal bulb with small posterior extension projecting reaching to the intestine. Excretory pore situated at the level of basal pharyngeal bulb region, no post-uterine sac, conical tail, narrowing to a rounded tip, and rare male with slender tylenchoid spicules and adanal bursa. The new species comes close in morphology and morphometrics to four known species of the genus, namely Paurodontella asymmetrica, Paurodontella balochistanica, Paurodontella densa and Paurodontella niger. In molecular phylogenetic analyses using D2–D3 expansion segments of the large subunit rDNA gene sequence, P. minora n. sp. formed a major clade with species of the genera in the family Sphaerulariidae (Paurodontella, Paurodontoides, Veleshkinema and Sphaerularia) and a sister relation with the members in the families Neotylenchidae and Anguinidae with the same clade support values in Bayesian inference.

Keywords

28s D2–D3morphologymorphometricsnew speciesphylogenytaxonomy
Type
Research Paper
Information
Journal of Helminthology , Volume 96 , 2022 , e66
Copyright
Copyright © The Author(s), 2022. Published by Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Anderson, RV (1985) Emendation of the genus Paurodontella Husain & Khan, 1968 and description of P. auriculata n. sp. from Western Canada (Nematoda: Paurodontidae). Journal of Nematology 17(2), 201–205.Google Scholar
Andrássy, I (2007) Free-living nematodes of Hungary (nematoda errantia), Vol. II. Budapest, Hungary, Hungarian Natural History Museum, p. 496.Google Scholar
Arnold, TW (2010) Uninformative parameters and model selection using Akaike's information criterion. Journal of Wildlife Manage 74(6), 1175–1178.CrossRefGoogle Scholar
De Grisse, AT (1969) Redescription ou modifications de quelques techniques utilisées dans l’étude des nématodes phytoparasitaires [Redescription or modifications of some techniques used in the study of plant parasitic nematodes]. Mededelingen Faculteit Landbouwwetenschappen Rijksuniversiteit Gent 34, 351–369. [In French.]Google Scholar
Dufour, L (1837) Recherches sur quelques entozoaires et larves parasites des insects Orthoptères et Hymenoptères [Research on some entozoa and parasitic larvae of the insects Orthoptera and Hymenoptera]. Annales des Sciences Naturelles, Zoologie 7(1), 5–20. [In French.]Google Scholar
Esmaeili, M, Heydari, R and Ye, W (2016a) Paurodontella parapitica n. sp. (Nematoda: Hexatylina, Sphaerularioidea) from Kermanshah Province, Western Iran. Journal of Nematology 48(2), 109–115.CrossRefGoogle Scholar
Esmaeili, M, Heydari, R and Ye, W (2016b) Molecular and morphological characterisation of Paurodontella persica n. sp. (Hexatylina: Sphaerulariidae) from soil in Iran. Nematology 19(1), 57–68.CrossRefGoogle Scholar
Esmaeili, M, Heydari, R, Kheiri, A and Ye, W (2019) Molecular and morphological characterization of Paurodontella composticola n. sp. (Nematoda: Hexatylina, Sphaerulariidae) from Iran. Journal of Nematology 51 (1), 1–12.CrossRefGoogle Scholar
Fortuner, R and Raski, DJ (1987) A review of Neotylenchoidea Thorne, 1941 (Nemata: Tylenchida). Revue de Nématologie 10(3), 257–267.Google Scholar
Geraert, E, Raski, DJ and Choi, YE (1985) A study of Stictylus intermedius n. comb. with a review of the genus (Nematoda: Tylenchida). Nematologica 30(2), 161–171.Google Scholar
Golhasan, B, Heydari, R and Miraeiz, E (2016) Description of Paurodontella iranica (Nematoda: Sphaerulariidae) from Iran. Annales Zoologici 66(1), 125–130.CrossRefGoogle Scholar
Handoo, ZA, Iqbal, EY, Kazi, N and Fayyaz, S (2010) Two new species of Paurodontella Husain & Khan, 1968 (Nematoda: Sphaerulariidae) associated with wheat and a diagnostic compendium to the genus. Nematology 12(2), 181–192.CrossRefGoogle Scholar
Huelsenbeck, JP and Ronquist, F (2001) MRBAYES: Bayesian inference of phylogenetic trees. Bioinformatics 17(8), 1754–1755.CrossRefGoogle ScholarPubMed
Husain, SI and Khan, AM (1968) Paurodontella n. gen. and three new species of nematodes from north India (Nematoda: Neotylenchidae). Nematologica 13(4), 493–500.CrossRefGoogle Scholar
Jairajpuri, MS and Siddiqi, MR (1969) Paurodontoides n. gen. (Paurodontidae) with an outline classification of Neotylenchoidea n. rank. Nematologica 15(3), 287–288.Google Scholar
Koshel, EI, Aleshin, VV, Eroshenko, GA and Kutyrev, VV (2014) Phylogenetic analysis of entomoparasitic nematodes, potential control agents of flea populations in natural foci of plague. BioMed Research International 26, 1–26.CrossRefGoogle Scholar
Larget, B and Simon, DL (1999) Markov chain Monte Carlo algorithms for the Bayesian analysis of phylogenetic trees. Molecular Biology and Evolution 16(6), 750–759.CrossRefGoogle Scholar
Maqbool, MA (1982) Three new species of the super family Neotylenchoidea (Nematoda: Tylenchida) from Pakistan. Journal of Nematology 14(3), 317–323.Google ScholarPubMed
Massey, CL and Hinds, TE (1970) Nematodes from aspen cankers in Colorado and New Mexico. Canadian Journal of Zoology 48(1), 97–108.CrossRefGoogle Scholar
Nandakumar, C and Khera, S (1969) Paurodontus aberrans n. sp. (Nematoda: Tylenchida) with a note on special branch of the oviduct. Indian Journal of Helminthology 21(1), 1–5.Google Scholar
Nunn, GB (1992) Nematode molecular evolution. PhD Dissertation, University of Nottingham, UKGoogle Scholar
Pereira, TJ and Baldwin, JG (2016) Contrasting evolutionary patterns of 28S and ITS rRNA genes reveal high intragenomic variation in Cephalenchus (Nematoda): Implications for species delimitation. Molecular Phylogenetic and Evolution 98(1), 244–260.CrossRefGoogle ScholarPubMed
Posada, D and Criandall, KA (1998) MODELTEST: testing the model of DNA substitution. Bioinformatics 14(9), 817–818.CrossRefGoogle ScholarPubMed
Siddiqi, MR (2000) Tylenchida parasites of plants and insects. 2nd edition. Wallingford, UK, CABI.CrossRefGoogle Scholar
Sumenkova, NI (1975) Nematodes of plants and soil: Neotylenchoidea. USSR, Izdatel'stvo, Nauka, Moscow, pp. 200.Google Scholar
Thorne, G (1941) Some nematodes of the family Tylenchidae which do not possess a valvular median esophageal bulb. The Great Basin Naturalist 2(1), 37–82.Google Scholar
Tikyani, MG and Khera, S (1968) Neopaurodontus asymmetricus n. g., n. sp. (Nematoda: Paurodontinae) from rhizosphere of great millet. Indian Journal of Helminthology 20(1), 34–39.Google Scholar
Whitehead, AG and Hemming, JR (1965) A comparison of some quantitative methods of extracting small vermiform nematodes from soil. Annals of Applied Biology 55(1), 25–38.CrossRefGoogle Scholar
Yaghoubi, A, Pourjam, E and Pedram, M (2018) Paurodontella gilanica n. sp. (Nematoda: Sphaerularioidea) from Iran. Nematology 20(5), 471–482.CrossRefGoogle Scholar