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Article: New Pudicinae (Nematoda, Heligmonellidae) parasite of Trichomys fosteri (Rodentia: Echimyidae) from Pantanal, Brazil

Simões, Raquel O. / Telles, Bruno O. / Maldonado, Arnaldo / Lopes-Torres, Eduardo José

Parasitology international. 2022 Apr. 09,

2022

Abstract: Pudica trichomysae n. sp. (Trichostrongylina, Heligmosomoidea, Helligmonellidae, Pudicinae) from the small intestine of Trichomys fosteri (Rodentia: Echimydae) from the Pantanal of Mato Grosso do Sul is described by light and scanning electron microscopy. ...

Abstract	Pudica trichomysae n. sp. (Trichostrongylina, Heligmosomoidea, Helligmonellidae, Pudicinae) from the small intestine of Trichomys fosteri (Rodentia: Echimydae) from the Pantanal of Mato Grosso do Sul is described by light and scanning electron microscopy. Pudica trichomysae n. sp. is characterized by caudal bursa type 2–2-1, proportion of spicules length in relation to body length (SpL/BL) of 17 to 18% left and right, respectively. Dorsal ray divided at about the distal third into two branches, each branch divided into two long sub-branches, rays 9 and 10. Furthermore, this study shows for the first time details of the anterior region demonstrating papillae organization, amphids, derides, and opening of the excretory pore. The posterior end of the caudal bursa showed detail of the genital cone, papillae, and ray 1, and in the female, it showed interrupted ridges between the vulva and anus. In conclusion, the present species is the seventeenth described in the genus in South America and the first in Pantanal.
Keywords	Echimyidae ; Heligmonellidae ; anus ; body length ; females ; parasites ; parasitology ; small intestine ; vulva ; Brazil ; Pantanal
Language	English
Dates of publication	2022-0409
Publishing place	Elsevier B.V.
Document type	Article
Note	Pre-press version
ZDB-ID	1363151-2
ISSN	1383-5769
ISSN	1383-5769
DOI	10.1016/j.parint.2022.102585
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: New Pudicinae (Nematoda, Heligmonellidae) parasite of Trichomys fosteri (Rodentia: Echimyidae) from Pantanal, Brazil.

Simões, Raquel O / Telles, Bruno O / Maldonado, Arnaldo / Lopes-Torres, Eduardo José

Parasitology international

2022 Volume 89, Page(s) 102585

Abstract	Pudica trichomysae n. sp. (Trichostrongylina, Heligmosomoidea, Helligmonellidae, Pudicinae) from the small intestine of Trichomys fosteri (Rodentia: Echimydae) from the Pantanal of Mato Grosso do Sul is described by light and scanning electron microscopy. Pudica trichomysae n. sp. is characterized by caudal bursa type 2-2-1, proportion of spicules length in relation to body length (SpL/BL) of 17 to 18% left and right, respectively. Dorsal ray divided at about the distal third into two branches, each branch divided into two long sub-branches, rays 9 and 10. Furthermore, this study shows for the first time details of the anterior region demonstrating papillae organization, amphids, derides, and opening of the excretory pore. The posterior end of the caudal bursa showed detail of the genital cone, papillae, and ray 1, and in the female, it showed interrupted ridges between the vulva and anus. In conclusion, the present species is the seventeenth described in the genus in South America and the first in Pantanal.
MeSH term(s)	Animals ; Brazil ; Female ; Nematoda ; Parasites ; Rodentia/parasitology ; Trichostrongyloidea
Language	English
Publishing date	2022-04-12
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	1363151-2
ISSN	1873-0329 ; 1383-5769
ISSN (online)	1873-0329
ISSN	1383-5769
DOI	10.1016/j.parint.2022.102585
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Article ; Online: New data on eggshell structure of capillariid species: a SEM perspective.

Borba, Victor / Enoki, Makoto / Lopes-Torres, Eduardo José / Machado-Silva, José Roberto / Iñiguez, Alena Mayo

Parasitology research

2021 Volume 120, Issue 3, Page(s) 963–970

Abstract: Capillariidae is a group of nematode parasites of vertebrates with a complex taxonomy. The structure of the eggshell, which was indicated as the most important characteristic for identification of genus or species through eggs, is very diverse among ... ...

Abstract	Capillariidae is a group of nematode parasites of vertebrates with a complex taxonomy. The structure of the eggshell, which was indicated as the most important characteristic for identification of genus or species through eggs, is very diverse among genera. The visualization and characterization of eggshell by light microscopy (LM) are a challenging task since different planes of the egg surface are needed. Nevertheless, categories of eggshell ornamentation were proposed by LM: smooth, punctuated, reticulated type I, and reticulated type II. The present study aimed to characterize the eggshell structure of Capillariidae species, parasites of mammals and avians, deposited in a helminthological collection using scanning electron microscopy (SEM). Institutional Biological Collections are taxonomic repositories of specimens described and strictly identified at the species level by systematics specialists. SEM eggshell images were obtained from 12 species belonging to 5 genera (Aonchotheca, Baruscapillaria, Capillaria, Echinocoleus, Eucoleus) and compared to their respective LM images. Eggshell patterns observed using SEM were associated categories of eggshell ornamentation previously proposed by LM images. The SEM data indicate that eggshell categories are not in agreement with capillariid genera or sites of infection. However, the study provides previously unknown SEM eggshell information from curated species, which contributes with a specific and supplementary taxonomic feature at the species level of Capillariidae.
MeSH term(s)	Animals ; Birds/parasitology ; Mammals/parasitology ; Microscopy, Electron, Scanning ; Nematoda/classification ; Nematoda/ultrastructure ; Nematode Infections/parasitology ; Nematode Infections/veterinary ; Ovum/ultrastructure ; Species Specificity
Language	English
Publishing date	2021-01-27
Publishing country	Germany
Document type	Journal Article
ZDB-ID	284966-5
ISSN	1432-1955 ; 0932-0113 ; 0044-3255
ISSN (online)	1432-1955
ISSN	0932-0113 ; 0044-3255
DOI	10.1007/s00436-020-07032-4
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Enhanced Vulnerability of Diabetic Mice to Hypervirulent

da Conceição Mendonça, Jéssica / Sobral Pena, João Matheus / Dos Santos Macêdo, Noemi / de Souza Rodrigues, Dayane / de Oliveira, Dayane Alvarinho / Spencer, Brady L / Lopes-Torres, Eduardo José / Burcham, Lindsey R / Doran, Kelly S / Nagao, Prescilla Emy

Pathogens (Basel, Switzerland)

2023 Volume 12, Issue 4

Abstract: Streptococcus ... ...

Abstract	Streptococcus agalactiae
Language	English
Publishing date	2023-04-11
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2695572-6
ISSN	2076-0817
ISSN	2076-0817
DOI	10.3390/pathogens12040580
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Article ; Online: Three-Dimensional Models of Soil-Transmitted Helminth Eggs from Light Microscopy Images.

Dias, Yan Emygdio / de Freitas, Elisângela Oliveira / de Oliveira, Dayane Alvarinho / Girard-Dias, Wendell / Crivano Machado, Lúcio Paulo do Amaral / Lopes-Torres, Eduardo José

Tropical medicine and infectious disease

2022 Volume 7, Issue 9

Abstract: The World Health Organization indicates that more than 1.5 billion people are infected with geohelminths. Soil-transmitted helminths prevail mostly in tropical and subtropical regions, in areas with inadequate hygiene and sanitation conditions, and basic ...

Abstract	The World Health Organization indicates that more than 1.5 billion people are infected with geohelminths. Soil-transmitted helminths prevail mostly in tropical and subtropical regions, in areas with inadequate hygiene and sanitation conditions, and basic health education problems. Nematode eggs are structures of resistance and infection by fecal-oral transmission. When STH eggs are ingested, they can infect the potential host, causing abdominal pain, diarrhea, anemia, malnutrition, and physical-cognitive impacts in children. Taking advantage of the increasing employment of three-dimensional models of these structured based on light microscopy images to improve the research area and education could be an alternative to improve health education and spread scientific information on transmission and prevention. The objective of this work was to produce 3D printed models from bi-dimensional images of eggs based on their real morphological and morphometric characteristics. The virtual models were reconstructed from the acquisition and selection of images obtained using light microscopy. After selecting referential images, we constructed the models based on the vectorization of the egg structures. After vectorization, 3D modeling was performed and printed in PLA. 3D models have a high potential to contribute to the advanced morphological studies and teaching of parasitological sciences, enriching the teaching-learning process applicable in presential or remote teaching of basic education, undergraduate, and post-graduation classes.
Language	English
Publishing date	2022-08-30
Publishing country	Switzerland
Document type	Journal Article
ISSN	2414-6366
ISSN (online)	2414-6366
DOI	10.3390/tropicalmed7090216
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Article ; Online: Population genetic structure and morphological diversity of

Souza, Renata / Vilela, Roberto do Val / Gentile, Rosana / Lopes-Torres, Eduardo José / Cordeiro-Estrela, Pedro / Moratelli, Ricardo / da Costa-Neto, Sócrates Fraga / Cardoso, Thiago Dos Santos / Varella, Karina / Maldonado Júnior, Arnaldo

Parasitology

2022 Volume 149, Issue 11, Page(s) 1487–1504

Abstract: ... Cruzia ... ...

Abstract	Cruzia tentaculata
MeSH term(s)	Animals ; Ascaridida/anatomy & histology ; Bayes Theorem ; Didelphis/parasitology ; Forests ; Genetic Variation ; Genetics, Population ; Male ; Marsupialia ; Nematoda ; Parasites ; Phylogeny ; South America
Language	English
Publishing date	2022-07-13
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	207627-5
ISSN	1469-8161 ; 0031-1820
ISSN (online)	1469-8161
ISSN	0031-1820
DOI	10.1017/S0031182022000981
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Article: Population genetic structure and morphological diversity of Cruzia tentaculata (Nematoda: Ascaridida), a parasite of marsupials (Didelphinae), along the Atlantic Forest on the eastern coast of South America

Souza, Renata / Vilela, Roberto do Val / Gentile, Rosana / Lopes-Torres, Eduardo José / Cordeiro-Estrela, Pedro / Moratelli, Ricardo / da Costa-Neto, Sócrates Fraga / Cardoso, Thiago dos Santos / Varella, Karina / Maldonado Júnior, Arnaldo

Parasitology. 20222022 Sept. 13, July 13, v. 149, no. 11

2022

Abstract: Cruzia tentaculata is a helminth parasite of marsupials and has a wide geographic distribution from Mexico to Argentina. The aim of this study was to analyse the genetic population structure of this nematode along the Atlantic Forest biome. Cruzia ... ...

Abstract	Cruzia tentaculata is a helminth parasite of marsupials and has a wide geographic distribution from Mexico to Argentina. The aim of this study was to analyse the genetic population structure of this nematode along the Atlantic Forest biome. Cruzia tentaculata specimens were recovered from Didelphis aurita, Didelphis albiventris and Philander quica in 9 localities. Morphological and morphometric data were investigated for phenotypic diversity among localities and hosts using multivariate discriminant analysis of principal components. Phylogenetic relationships of C. tentaculata were determined using maximum likelihood and Bayesian inference. The population structure was analysed by fixation indices, molecular variance analysis, Tajima's D and Fu's Fs neutrality tests, Mantel tests and Bayesian clustering analysis. A higher significant morphometric difference for males was observed between localities. In the haplogroup networks, 2 groups were recovered, separating locations from the north and from the south/southeast. The morphometric variation in C. tentaculata between different localities was compatible with this north and southeast/south pattern, suggesting adaptation to different ecological conditions. Population genetic analyses suggested a pattern of evolutionary processes driven by Pleistocene glacial refugia in the northeast and southeast of the Atlantic Forest based on the distribution of genetic diversity.
Keywords	Ascaridida ; Bayesian theory ; Didelphis albiventris ; Philander ; Pleistocene epoch ; coasts ; discriminant analysis ; ecosystems ; forests ; genetic structure ; genetic variation ; geographical distribution ; helminths ; morphometry ; parasitology ; phenotypic variation ; phylogeny ; population genetics ; population structure ; refuge habitats ; variance ; Argentina ; Mexico
Language	English
Dates of publication	2022-0713
Size	p. 1487-1504.
Publishing place	Cambridge University Press
Document type	Article
ZDB-ID	207627-5
ISSN	1469-8161 ; 0031-1820
ISSN (online)	1469-8161
ISSN	0031-1820
DOI	10.1017/S0031182022000981
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Article ; Online: Additional characterization of the adult worm Mammomonogamus laryngeus (Railliet, 1899) and the tissue lesions caused by the infection in buffaloes.

Lopes-Torres, Eduardo José / da Silva Pinheiro, Raul Henrique / Rodrigues, Rogério Antonio Ribeiro / Francez, Loreno da Costa / Gonçalves, Evonnildo Costa / Giese, Elane Guerreiro

Veterinary parasitology

2020 Volume 283, Page(s) 109164

Abstract: Mammomonogamus spp. are parasites with curious characteristics, such as the "Y" shape that results from male and female maintaining the permanent copulation position and the controversial presence or absence of spicules. These nematodes are hematophagous ...

Abstract	Mammomonogamus spp. are parasites with curious characteristics, such as the "Y" shape that results from male and female maintaining the permanent copulation position and the controversial presence or absence of spicules. These nematodes are hematophagous and cause damage to the upper respiratory tracts of cattle, sheep, goats, deer, wild yaks, and orangutans. Human infection is rare and most cases until now have been in the Caribbean Islands or in Brazil, and mainly in farmworkers but recently there have been reports affecting tourists. In the present work, the parasites were recovered from the laryngopharynx and larynx region of Bubalus bubalis on the island of Marajó, Pará, Brazil. Different microscopy methodologies were applied (bright field, fluorescence, and scanning electron microscopy) to explore the ultrastructural details of the anterior end, genital structures and the host tissue damage caused by the nematodes. The well-developed mouth is an important structure in the identification of these nematodes and used by the parasite to adhere to the host's tissue. Different methodologies in microscopy and molecular biology contributed to a detailed morphological description and showed the phenotypic position of Mammomonogamus laryngeus. Light and scanning electron microscopy (SEM) showed details of the papillae, amphids, festoons, ribs, and teeth. Fluorescence microscopy enabled a detailed characterization of different structures, such as the bursal rays and SEM enabled the visualization of the specialized features of the cuticle surface in the male and female. Histopathological analyses, cryofracture and environmental SEM experiments of the infected tissues were carried out in order to investigate the lesions resultant from the parasitism. In addition, the parasite couples were submitted to cryofracture and these results revealed details of the reproductive structures of both sexes, including the male spicule.
MeSH term(s)	Animals ; Brazil/epidemiology ; Buffaloes ; Female ; Hypopharynx/parasitology ; Larynx/parasitology ; Male ; Metastrongyloidea/physiology ; Prevalence ; Strongylida Infections/epidemiology ; Strongylida Infections/parasitology ; Strongylida Infections/pathology ; Strongylida Infections/veterinary
Language	English
Publishing date	2020-06-07
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	196831-2
ISSN	1873-2550 ; 0304-4017
ISSN (online)	1873-2550
ISSN	0304-4017
DOI	10.1016/j.vetpar.2020.109164
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Article: Additional characterization of the adult worm Mammomonogamus laryngeus (Railliet, 1899) and the tissue lesions caused by the infection in buffaloes

Lopes-Torres, Eduardo José / da Silva Pinheiro, Raul Henrique / Rodrigues, Rogério Antonio Ribeiro / Francez, Loreno da Costa / Gonçalves, Evonnildo Costa / Giese, Elane Guerreiro

Veterinary parasitology. 2020 July, v. 283

2020

Abstract: Mammomonogamus spp. are parasites with curious characteristics, such as the “Y” shape that results from male and female maintaining the permanent copulation position and the controversial presence or absence of spicules. These nematodes are hematophagous ...

Abstract	Mammomonogamus spp. are parasites with curious characteristics, such as the “Y” shape that results from male and female maintaining the permanent copulation position and the controversial presence or absence of spicules. These nematodes are hematophagous and cause damage to the upper respiratory tracts of cattle, sheep, goats, deer, wild yaks, and orangutans. Human infection is rare and most cases until now have been in the Caribbean Islands or in Brazil, and mainly in farmworkers but recently there have been reports affecting tourists. In the present work, the parasites were recovered from the laryngopharynx and larynx region of Bubalus bubalis on the island of Marajó, Pará, Brazil. Different microscopy methodologies were applied (bright field, fluorescence, and scanning electron microscopy) to explore the ultrastructural details of the anterior end, genital structures and the host tissue damage caused by the nematodes. The well-developed mouth is an important structure in the identification of these nematodes and used by the parasite to adhere to the host’s tissue. Different methodologies in microscopy and molecular biology contributed to a detailed morphological description and showed the phenotypic position of Mammomonogamus laryngeus. Light and scanning electron microscopy (SEM) showed details of the papillae, amphids, festoons, ribs, and teeth. Fluorescence microscopy enabled a detailed characterization of different structures, such as the bursal rays and SEM enabled the visualization of the specialized features of the cuticle surface in the male and female. Histopathological analyses, cryofracture and environmental SEM experiments of the infected tissues were carried out in order to investigate the lesions resultant from the parasitism. In addition, the parasite couples were submitted to cryofracture and these results revealed details of the reproductive structures of both sexes, including the male spicule.
Keywords	Bubalus bubalis ; Mammomonogamus ; adults ; cattle ; copulation ; deer ; farm labor ; females ; fluorescence ; fluorescence microscopy ; histopathology ; human diseases ; larynx ; males ; molecular biology ; parasites ; parasitism ; phenotype ; sheep ; veterinary parasitology ; Brazil ; Caribbean
Language	English
Dates of publication	2020-07
Publishing place	Elsevier B.V.
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	196831-2
ISSN	1873-2550 ; 0304-4017
ISSN (online)	1873-2550
ISSN	0304-4017
DOI	10.1016/j.vetpar.2020.109164
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Article ; Online: Whipworm Infection Promotes Bacterial Invasion, Intestinal Microbiota Imbalance, and Cellular Immunomodulation.

Schachter, Julieta / Alvarinho de Oliveira, Dayane / da Silva, Camila Marques / de Barros Alencar, Alba Cristina Miranda / Duarte, Michelle / da Silva, Matheus Müller Pereira / Ignácio, Ana Claudia de Paula Rosa / Lopes-Torres, Eduardo José

Infection and immunity

2020 Volume 88, Issue 3

Abstract: Infections ... ...

Abstract	Infections with
MeSH term(s)	Animals ; Gastrointestinal Microbiome/physiology ; Host Microbial Interactions/immunology ; Host-Parasite Interactions/immunology ; Immunity, Cellular/physiology ; Intestinal Diseases, Parasitic/immunology ; Mice ; T-Lymphocytes, Helper-Inducer/immunology ; Trichuriasis/immunology ; Trichuris/immunology
Language	English
Publishing date	2020-02-20
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	218698-6
ISSN	1098-5522 ; 0019-9567
ISSN (online)	1098-5522
ISSN	0019-9567
DOI	10.1128/IAI.00642-19
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