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Morphological and Molecular Characterization of Labrys filiformis n. sp. (Rhabditida: Tylenchidae) from Iran

Yousef Panahandeh
Yousef Panahandeh
, 
Joaquín Abolafia
Joaquín Abolafia
, 
Ebrahim Pourjam
Ebrahim Pourjam
, 
Robin M. Giblin-Davis
Robin M. Giblin-Davis
, 
Farahnaz Jahanshahi Afshar
Farahnaz Jahanshahi Afshar
 oraz 
Majid Pedram
Majid Pedram
   | 17 paź 2018
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Data publikacji: 17 paź 2018
Zakres stron: 343 - 354
DOI: https://doi.org/10.21307/jofnem-2018-031
Słowa kluczowe
© 2018 Yousef Panahandeh et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Labrys filiformis n. sp. (female). A, B: Neck (stoma ; pharynx) C, D: Anterior end E: Entire body; F: Lateral field at mid-body; G: Reproductive system; H, I: Tail.
Labrys filiformis n. sp. (female). A, B: Neck (stoma ; pharynx) C, D: Anterior end E: Entire body; F: Lateral field at mid-body; G: Reproductive system; H, I: Tail.

Fig. 2

Interpretative drawing of lip region of Labrys filiformis n. sp. based on scanning electron microscopy (SEM) observations in frontal (A) and lateral (B) view.
Interpretative drawing of lip region of Labrys filiformis n. sp. based on scanning electron microscopy (SEM) observations in frontal (A) and lateral (B) view.

Fig. 3

Labrys filiformis n. sp. (light microscopy, female). A, B: Pharyngeal region; C: Anterior end; D: Amphidial aperture E: Spermatheca filled with sperm; F: Lateral field at mid-body; G: Reproductive system; H: Tail tip. All scale bars =10 µm.
Labrys filiformis n. sp. (light microscopy, female). A, B: Pharyngeal region; C: Anterior end; D: Amphidial aperture E: Spermatheca filled with sperm; F: Lateral field at mid-body; G: Reproductive system; H: Tail tip. All scale bars =10 µm.

Fig. 4

Labrys filiformis n. sp. (scanning electron microscopy [SEM], female). A: Anterior region (arrow at the excretory pore); B–E: Lip region in right lateral, subdorsal, sublateral and frontal views, respectively; F: Posterior region (white arrow at the vulva, black arrow at the anus); G, H: Vulva in lateral and subventral views, respectively; I: Excretory pore (arrow); J: Anus.
Labrys filiformis n. sp. (scanning electron microscopy [SEM], female). A: Anterior region (arrow at the excretory pore); B–E: Lip region in right lateral, subdorsal, sublateral and frontal views, respectively; F: Posterior region (white arrow at the vulva, black arrow at the anus); G, H: Vulva in lateral and subventral views, respectively; I: Excretory pore (arrow); J: Anus.

Fig. 5

Bayesian 50% majority rule consensus tree inferred from 64 sequences of 18S rDNA (GenBank accession number and species name) under the GTR+G+I model. Bayesian posterior probabilities and maximum likelihood bootstrap values are given for appropriate clades in the form of BPP/ML BS. The new species is in bold.
Bayesian 50% majority rule consensus tree inferred from 64 sequences of 18S rDNA (GenBank accession number and species name) under the GTR+G+I model. Bayesian posterior probabilities and maximum likelihood bootstrap values are given for appropriate clades in the form of BPP/ML BS. The new species is in bold.

Fig. 6

Bayesian 50% majority rule consensus tree inferred from 66 sequences of 28S rDNA D2-D3 (GenBank accession number and species name) under the GTR+G+I model. Bayesian posterior probabilities and maximum likelihood bootstrap values are given for appropriate clades in the form of BPP/ML BS. The new species is in bold.
Bayesian 50% majority rule consensus tree inferred from 66 sequences of 28S rDNA D2-D3 (GenBank accession number and species name) under the GTR+G+I model. Bayesian posterior probabilities and maximum likelihood bootstrap values are given for appropriate clades in the form of BPP/ML BS. The new species is in bold.

Morphometrics of Labrys filiformis n. sp. All measurements are in µm and in the form: mean ± standard deviation (range).

Character Holotype Paratype
n female 8 females
L 427 440 ±17 (425-463)
a 38.8 41.6 ± 2.3 (38.7-46.2)
b 4.9 5.1 ± 0.2 (4.9-5.4)
c 3.9 3.8 ± 0.2 (3.5-4.0)
c' 13.8 14.6 ± 1.1 (13.2-15.9)
V 60.4 59.9 ± 1.21 (57.7-61.5)
V' 81.4 81.5 ± 1.3 (79.9-84.1)
Stylet length 6 6.2 ± 0.4 (6-7)
Median bulb valve – anterior end 44 43.7 ± 1.8 (40-46)
Excretory pore – anterior end 69 65.5 ± 2.6 (62-69)
Neck length (stoma + pharynx) 87 86.1 ± 2.3 (82-90)
Lip region to vulva 258 263 ± 8 (256-277)
Body width 11 10.6 ± 8.3 (10-11)
Anal body width 8 8.0 ± 0.5 (7-9)
Anterior genital branch length 63 62.5 ± 5.7 (56-72)
Postvulval uterine sac 6 6.4 ± 1.1 (5-8)
Vulva – anterior end 258 263 ± 8 (256-277)
Vulva to anus distance 59 60.1 ± 5.2 (49-66)
Tail length 110 116.6 ± 8.6 (106-127)
eISSN:
2640-396X
Język:
Angielski
Częstotliwość wydawania:
Volume Open
Dziedziny czasopisma:
Life Sciences, other
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