Results 1 to 10 of about 3,578 (213)

Transcriptomic Characterization of the South American Freshwater Stingray Potamotrygon motoro Venom Apparatus [PDF]

Toxins, 2018
Venomous animals are found through a wide taxonomic range including cartilaginous fish such as the freshwater stingray Potamotrygon motoro occurring in South America, which can injure people and cause venom-related symptoms. Ensuring the efficacy of drug
Filipe Silva, Yu Huang, Vítor Yang, Xidong Mu, Qiong Shi, Agostinho Antunes   +5 more
doaj   +6 more sources

Case report: Clinical management of freshwater stingray wounds using negative pressure therapy [PDF]

Frontiers in Medicine
Stingray injuries represent a significant occupational hazard, particularly for fishermen, and are commonly caused by freshwater stingrays of the Potamotrygonidae family. These stingrays are equipped with a sharp, bilaterally serrated spine that delivers
Janio J. M. Nattrodt, Victória A. Bezerra-de-Freitas, Ana Paula S. S. Merval, Eloise T. Filardi, Felipe A. Cerni, Domingos S. M. Dantas, Alysson B. M. Lins, Alysson B. M. Lins, Luis E. B. Galan, Luis E. B. Galan, Roberto C. Carbonell, Roberto C. Carbonell, Manuela B. Pucca, Manuela B. Pucca   +13 more
doaj   +4 more sources

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil [PDF]

Scientific Reports, 2021
In the present work, we examined the morphology, dimensions, cytochemical staining reactions and ultrastructure of blood cells from three freshwater stingray species, Potamotrygon wallacei, Potamotrygon motoro and Paratrygon aiereba, living in the waters
Adriano Teixeira de Oliveira, Jefferson Raphael Gonzaga de Lemos, Marcio Quara de Carvalho Santos, Jackson Pantoja-Lima, Paulo Henrique Rocha Aride, Maria Lúcia Góes de Araújo, Marcos Tavares-Dias, Jaydione Luiz Marcon   +7 more
doaj   +2 more sources

Ascorbic Acid Biosynthesis and Brackish Water Acclimation in the Euryhaline Freshwater White-Rimmed Stingray, Himantura signifer. [PDF]

PLoS ONE, 2013
L-gulono-γ-lactone oxidase (Gulo) catalyzes the last step of ascorbic acid biosynthesis, which occurs in the kidney of elasmobranchs. This study aimed to clone and sequence gulonolactone oxidase (gulo) from the kidney of the euryhaline freshwater ...
Samuel Z H Wong, Biyun Ching, You R Chng, Wai P Wong, Shit F Chew, Yuen K Ip   +5 more
doaj   +17 more sources

Hallux amputation after a freshwater stingray injury in the Brazilian Amazon [PDF]

Revista da Sociedade Brasileira de Medicina Tropical, 2016
: Freshwater stingray injuries are a common problem in the Brazilian Amazon, affecting mostly riverine and indigenous populations. These injuries cause severe local and regional pain, swelling and erythema, as well as complications, such as local ...
Wuelton Marcelo Monteiro, Sâmella Silva de Oliveira, Jacqueline de Almeida Gonçalves Sachett, Iran Mendonça da Silva, Luiz Carlos de Lima Ferreira, Marcus Vinícius Guimarães Lacerda   +5 more
doaj   +3 more sources

First Chromosome-level Genome Assembly and Annotation of an Endangered Freshwater Stingray (Fontitrygon garouaensis) from Africa [PDF]

Scientific Data
Fontitrygon garouaensis (Smooth Freshwater Stingray) is an evolutionarily distinct and globally endangered species and is currently the only stingray known to be strictly adapted to African freshwater systems.
Lotanna Micah Nneji, Segun Olayinka Oladipo, Oyetola Olusegun Oyebanji, Adeola Oluwakemi Ayoola, Olatunde Omotoso, Ifeanyi Christopher Nneji, Kehinde Moruff Adelakun   +6 more
doaj   +2 more sources

First report of Vandellia sp. parasiting the Raspy river stingray Potamotrygon scobina in the Amazon basin [PDF]

Revista Brasileira de Parasitologia Veterinária
This study reports the first record of candiru, Vandellia sp. parasitizing the freshwater stingray Potamotrygon scobina in the Amazon basin, Brazil. In April 2018, a specimen of Potamotrygon scobina was collected by bottom long-term using fish as bait ...
Paulo Arthur Abreu Trindade, Felipe Antônio Silva Jr, Marcos Sidney Brito Oliveira, Carson Allen Jeffres, Marcelo Ândrade, Tommaso Giarrizzo   +5 more
doaj   +2 more sources

Karyotypic variation of two populations of the small freshwater stingray Potamotrygon wallacei Carvalho, Rosa & Araújo 2016: A classical and molecular approach. [PDF]

PLoS ONE, 2023
Potamotrygoninae comprises a group of Neotropical fishes with an ancient relationship with marine environments. In the last few years, 11 new Potamotrygon species were described, including Potamotrygon wallacei Carvalho, Araújo e Rosa 2016.
Alex M V Ferreira, Patrik F Viana, Leandro Marajó, Eliana Feldberg   +3 more
doaj   +2 more sources

Freshwater stingray injuries in Belém, State of Pará, Brazil

Journal Health NPEPS, 2020
Objective: to describe clinical and epidemiological aspects of freshwater stingray injuries in the city of Belém, Pará, brazilian amazon. Method: descriptive, epidemiological and observational study, carried out between 1999 and 2008, using medical ...
Pedro Pereira de Oliveira Pardal, Wanda Maria Pires, Pedro Borba, Hugo Ferreira, Roberto Messias Oliveira Brito, Elder Oliveira Silva, Katia Cristina Barbaro, Wuelton Marcelo Monteiro   +7 more
doaj   +3 more sources

Venom gland transcriptome analyses of two freshwater stingrays (Myliobatiformes : Potamotrygonidae) from Brazil [PDF]

Scientific Reports, 2016
Stingrays commonly cause human envenoming related accidents in populations of the sea, near rivers and lakes. Transcriptomic profiles have been used to elucidate components of animal venom, since they are capable of providing molecular information on the
Alencar, Sérgio Amorim de, Cardoso, Marlon Henrique, Costa, Fabricio Falconi, Cândido, Elizabete de Souza, Fernandes, Gabriel da Rocha, Franco, Octávio Luiz, Garrone Neto, Domingos, Mortari, Márcia Renata, Oliveira Júnior, Nelson Gomes de, Schwartz, Elisabeth Nogueira Ferroni   +9 more
core   +5 more sources