Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia
More than a dozen Gongylonema spp. (Spirurida: Spiruroidea: Gongylonematidae) have been described from a variety of rodent hosts worldwide. Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914), which dwells in the gastric mucosa of rats such as Rattus norvegicus (Berkenhout) and Rattus rattus (Linnaeus), is currently regarded as a cosmopolitan nematode in accordance with global dispersion of its definitive hosts beyond Asia. To facilitate the reliable specific differentiation of local rodent Gongylonema spp. from the cosmopolitan congener, the genetic characterisation of G. neoplasticum from Asian Rattus spp. in the original endemic area should be considered since the morphological identification of Gongylonema spp. is often difficult due to variations of critical phenotypical characters, e.g. spicule lengths and numbers of caudal papillae. In the present study, morphologically identified G. neoplasticum from 114 rats of seven species from Southeast Asia were selected from archived survey materials from almost 4,500 rodents: Thailand (58 rats), Cambodia (52 rats), Laos (three rats) and Philippines (one rat). In addition, several specimens from four rats in Indonesia were used in the study. Nucleotide sequences of the ribosomal RNA gene (rDNA) (5,649 bp) and the cytochrome c oxidase subunit 1 gene (cox1) (818 bp) were characterised. The rDNA showed little nucleotide variation, including the internal transcribed spacer (ITS) regions. The cox1 showed 24 haplotypes, with up to 15 (1.83%) nucleotide substitutions regardless of parasite origin. Considering that Rattus spp. have been shown to originate from the southern region of Asia and G. neoplasticum is their endogenous parasite, it is reasonable to propose that the present study covers a wide spectrum of the genetic diversity of G. neoplasticum, useful for both the molecular genetic speculation of the species and the molecular genetic differentiation of other local rodent Gongylonema spp. from the cosmopolitan congener.
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Subjects: | L72 - Organismes nuisibles des animaux, L60 - Taxonomie et géographie animales, http://aims.fao.org/aos/agrovoc/c_4073, http://aims.fao.org/aos/agrovoc/c_12076, http://aims.fao.org/aos/agrovoc/c_5783, http://aims.fao.org/aos/agrovoc/c_7701, |
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dig-cirad-fr-5887552022-01-21T07:17:32Z http://agritrop.cirad.fr/588755/ http://agritrop.cirad.fr/588755/ Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia. Setsuda Aogu, Ribas Alexis, Chaisiri Kittipong, Morand Serge, Chou Monidarin, Malbas Fidelino, Yunus Muchammad, Sato Hiroshi. 2018. Systematic Parasitology, 95 (2-3) : 235-247.https://doi.org/10.1007/s11230-018-9778-0 <https://doi.org/10.1007/s11230-018-9778-0> Researchers Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia Setsuda, Aogu Ribas, Alexis Chaisiri, Kittipong Morand, Serge Chou, Monidarin Malbas, Fidelino Yunus, Muchammad Sato, Hiroshi eng 2018 Systematic Parasitology L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales Cambodge République démocratique populaire lao Philippines Thaïlande http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 More than a dozen Gongylonema spp. (Spirurida: Spiruroidea: Gongylonematidae) have been described from a variety of rodent hosts worldwide. Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914), which dwells in the gastric mucosa of rats such as Rattus norvegicus (Berkenhout) and Rattus rattus (Linnaeus), is currently regarded as a cosmopolitan nematode in accordance with global dispersion of its definitive hosts beyond Asia. To facilitate the reliable specific differentiation of local rodent Gongylonema spp. from the cosmopolitan congener, the genetic characterisation of G. neoplasticum from Asian Rattus spp. in the original endemic area should be considered since the morphological identification of Gongylonema spp. is often difficult due to variations of critical phenotypical characters, e.g. spicule lengths and numbers of caudal papillae. In the present study, morphologically identified G. neoplasticum from 114 rats of seven species from Southeast Asia were selected from archived survey materials from almost 4,500 rodents: Thailand (58 rats), Cambodia (52 rats), Laos (three rats) and Philippines (one rat). In addition, several specimens from four rats in Indonesia were used in the study. Nucleotide sequences of the ribosomal RNA gene (rDNA) (5,649 bp) and the cytochrome c oxidase subunit 1 gene (cox1) (818 bp) were characterised. The rDNA showed little nucleotide variation, including the internal transcribed spacer (ITS) regions. The cox1 showed 24 haplotypes, with up to 15 (1.83%) nucleotide substitutions regardless of parasite origin. Considering that Rattus spp. have been shown to originate from the southern region of Asia and G. neoplasticum is their endogenous parasite, it is reasonable to propose that the present study covers a wide spectrum of the genetic diversity of G. neoplasticum, useful for both the molecular genetic speculation of the species and the molecular genetic differentiation of other local rodent Gongylonema spp. from the cosmopolitan congener. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/588755/1/Setsuda2018_Article_MolecularGeneticDiversityOfGon.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s11230-018-9778-0 10.1007/s11230-018-9778-0 info:eu-repo/semantics/altIdentifier/doi/10.1007/s11230-018-9778-0 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s11230-018-9778-0 |
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L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 |
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L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 Setsuda, Aogu Ribas, Alexis Chaisiri, Kittipong Morand, Serge Chou, Monidarin Malbas, Fidelino Yunus, Muchammad Sato, Hiroshi Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
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More than a dozen Gongylonema spp. (Spirurida: Spiruroidea: Gongylonematidae) have been described from a variety of rodent hosts worldwide. Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914), which dwells in the gastric mucosa of rats such as Rattus norvegicus (Berkenhout) and Rattus rattus (Linnaeus), is currently regarded as a cosmopolitan nematode in accordance with global dispersion of its definitive hosts beyond Asia. To facilitate the reliable specific differentiation of local rodent Gongylonema spp. from the cosmopolitan congener, the genetic characterisation of G. neoplasticum from Asian Rattus spp. in the original endemic area should be considered since the morphological identification of Gongylonema spp. is often difficult due to variations of critical phenotypical characters, e.g. spicule lengths and numbers of caudal papillae. In the present study, morphologically identified G. neoplasticum from 114 rats of seven species from Southeast Asia were selected from archived survey materials from almost 4,500 rodents: Thailand (58 rats), Cambodia (52 rats), Laos (three rats) and Philippines (one rat). In addition, several specimens from four rats in Indonesia were used in the study. Nucleotide sequences of the ribosomal RNA gene (rDNA) (5,649 bp) and the cytochrome c oxidase subunit 1 gene (cox1) (818 bp) were characterised. The rDNA showed little nucleotide variation, including the internal transcribed spacer (ITS) regions. The cox1 showed 24 haplotypes, with up to 15 (1.83%) nucleotide substitutions regardless of parasite origin. Considering that Rattus spp. have been shown to originate from the southern region of Asia and G. neoplasticum is their endogenous parasite, it is reasonable to propose that the present study covers a wide spectrum of the genetic diversity of G. neoplasticum, useful for both the molecular genetic speculation of the species and the molecular genetic differentiation of other local rodent Gongylonema spp. from the cosmopolitan congener. |
format |
article |
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L72 - Organismes nuisibles des animaux L60 - Taxonomie et géographie animales http://aims.fao.org/aos/agrovoc/c_4073 http://aims.fao.org/aos/agrovoc/c_12076 http://aims.fao.org/aos/agrovoc/c_5783 http://aims.fao.org/aos/agrovoc/c_7701 |
author |
Setsuda, Aogu Ribas, Alexis Chaisiri, Kittipong Morand, Serge Chou, Monidarin Malbas, Fidelino Yunus, Muchammad Sato, Hiroshi |
author_facet |
Setsuda, Aogu Ribas, Alexis Chaisiri, Kittipong Morand, Serge Chou, Monidarin Malbas, Fidelino Yunus, Muchammad Sato, Hiroshi |
author_sort |
Setsuda, Aogu |
title |
Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
title_short |
Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
title_full |
Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
title_fullStr |
Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
title_full_unstemmed |
Molecular genetic diversity of Gongylonema neoplasticum (Fibiger & Ditlevsen, 1914) (Spirurida: Gongylonematidae) from rodents in Southeast Asia |
title_sort |
molecular genetic diversity of gongylonema neoplasticum (fibiger & ditlevsen, 1914) (spirurida: gongylonematidae) from rodents in southeast asia |
url |
http://agritrop.cirad.fr/588755/ http://agritrop.cirad.fr/588755/1/Setsuda2018_Article_MolecularGeneticDiversityOfGon.pdf |
work_keys_str_mv |
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