Beiträge zur morphologischen und histologischen Untersuchung parasitischer Nematoden

Dosse, Gudo

doi:10.1007/bf02121658

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…The nematodes studied here, O. megathyphlon and O. cirratus , have also been recorded in Iguana rhinolopha, Iguana tuberculate , and I. iguana ( Linstow, 1906 ; Dosse, 1942 ; Caballero, 1938 ; Loukopoulos et al, 2007 ; Breves et al, 2011 ; Otávio et al, 2018 ). Both Jacobson (2007) and Teles et al (2017) report that the most common genera of Iguana parasites are Alaeuris , Ozolaimus , and Tachygonetria , and these pinworms have high host specificity, which is common in lizards, chelonians, and some snakes.…”

Section: Discussionsupporting

confidence: 52%

“…For scanning electron microscopy (SEM), the nematodes fixed in AFA solution were washed with distilled water, post-fixed in 1% osmium tetroxide for 2 hours, and then submitted to dehydration in an increasing series of ethanol from 70% ethanol until 100% for 1 hour in each battery of alcohol, subsequently subjected to the critical point of CO 2 model K850 Critical Point Dryer (Quorum Technologies Ltd., England), mounted on metallic aluminum supports (stubs), metallized with gold+palladium, and analyzed in a scanning electron microscope model VEGA 3 LMU (TESCAN, Brno, Czech Republic). Scientific articles and dichotomous keys were used to identify the species: Dosse (1942) , Leussink (1958) , Vicente et al (1993) , Anderson et al (2009) , and Gibbons (2010) .…”

Section: Methodsmentioning

confidence: 99%

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Ozolaimus megatyphlon and Ozolaimus cirratus parasitizing the Iguana iguana (Linnaeus, 1758) from Marajó Island, Pará, Brasil: new occurrence and morphological redescription

Canelas

Santana

Carvalho

et al. 2023

Rev. Bras. Parasitol. Vet.

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This study aimed to redescribe two species of Ozolaimus, parasites of free-living green iguanas native to Marajó Island. The gastrointestinal system of four iguana specimens was evaluated for the presence of helminths. Altogether, 12,028 nematodes were found, with a prevalence of 100%, an infection range of 780 to 7,736 nematodes, an infection intensity of 3.007, and a mean abundance of 3,007. Light microscopy and scanning electron microscopy were used to determine the species of nematodes found. The cecum was the site of infection that had the highest parasitic load. Morphologically, the nematodes were compatible with the genus Ozolaimus Dujardin, 1844, with the species Ozolaimus megatyphlon (Rudolphi, 1819) Dujardin, 1845, and Ozolaimus cirratus Linstow, 1906. Scanning electron microscopy showed the presence of small structures (serrated in Ozolaimus cirratus and rounded in Ozolaimus megatyphlon) located below the esophageal leaves. We also evidenced the phasmids in both species; this is the first record of these structures in nematodes of the genus Ozolaimus. In addition, this work expands the records on the geographic distribution of these parasites.

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Section: Discussionsupporting

confidence: 52%

Section: Methodsmentioning

confidence: 99%

Ozolaimus megatyphlon and Ozolaimus cirratus parasitizing the Iguana iguana (Linnaeus, 1758) from Marajó Island, Pará, Brasil: new occurrence and morphological redescription

Canelas

Santana

Carvalho

et al. 2023

Rev. Bras. Parasitol. Vet.

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Ein Beitrag zur Kenntnis parasitischer Nematoden aus griechischen Landschildkr�ten

Forstner¹

1960

Z. F. Parasitenkunde

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Two Pharyngodonid Nematodes, Alaeuris mexicana n. sp. and Ozolaimus ctenosauri, from the Iguanid Lizard Ctenosaura pectinata from Nayarit, Mexico

Moravec¹,

Salgado‐Maldonado²,

Mayen-Pena³

1996

The Journal of Parasitology

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Two species of nematodes, Alaeuris mexicana n. sp. and Ozolaimus ctenosauri Caballero, 1938, were found in the iguanid lizard Ctenosaura pectinata (Wiegmann) from Aguamilpa, Nayarit, central Mexico (Pacific region). The new species, A. mexicana, differs from all congeners mainly in the length of the spicule (0.228-0.233 mm) and in the shape and size of the tail and caudal alae. Ozolaimus ctenosauri (syn. Ozolaimus prolixa Caballero et Cerecero, 1943) is considered a valid species parasitic in Ctenosaura spp. Scanning electron microscopic studies of both species revealed substantial differences in the structure of the mouth, which were used for the separation of the closely related genera Ozolaimus and Alaeuris.

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Beiträge zur morphologischen und histologischen Untersuchung parasitischer Nematoden

Cited by 3 publications

References 12 publications

Ozolaimus megatyphlon and Ozolaimus cirratus parasitizing the Iguana iguana (Linnaeus, 1758) from Marajó Island, Pará, Brasil: new occurrence and morphological redescription

Ozolaimus megatyphlon and Ozolaimus cirratus parasitizing the Iguana iguana (Linnaeus, 1758) from Marajó Island, Pará, Brasil: new occurrence and morphological redescription

Ein Beitrag zur Kenntnis parasitischer Nematoden aus griechischen Landschildkr�ten

Two Pharyngodonid Nematodes, Alaeuris mexicana n. sp. and Ozolaimus ctenosauri, from the Iguanid Lizard Ctenosaura pectinata from Nayarit, Mexico

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