Results 1 to 10 of about 33,741 (257)

Investigation of bacterial microbiota variability in two allopatric populations of Nyssomyia umbratilis, susceptible and nonsusceptible to Leishmania (Viannia) guyanensis infection in the Amazon region [PDF]

open access: yesParasites & Vectors
Background Sand flies of the species Nyssomyia umbratilis (Diptera: Psychodidae: Phlebotominae) are vectors of the parasite Leishmania (Viannia) guyanensis, one of the etiological agents of cutaneous leishmaniasis in the Amazon region.
Eric Fabrício Marialva   +6 more
doaj   +2 more sources

Biological and molecular characterisation of in vitro selected miltefosine-resistant Leishmania amazonensis lines [PDF]

open access: yesInternational Journal for Parasitology: Drugs and Drug Resistance
Miltefosine (MTF) is currently the only available oral treatment for leishmaniasis. However, increasing reports of therapeutic failure have raised concerns about emerging resistance.
Laura Fernanda Neira   +4 more
doaj   +2 more sources

Correction: Investigation of bacterial microbiota variability in two allopatric populations of Nyssomyia umbratilis, susceptible and nonsusceptible to Leishmania (Viannia) guyanensis infection in the Amazon region [PDF]

open access: yesParasites & Vectors
Eric Fabrício Marialva   +6 more
doaj   +2 more sources

Downregulation of FeSOD-A expression in Leishmania infantum alters trivalent antimony and miltefosine susceptibility

open access: yesParasites & Vectors, 2021
Background Superoxide dismutase (SOD), a central component of the antioxidant defence system of most organisms, removes excess superoxide anions by converting them to oxygen and hydrogen peroxide. As iron (Fe) SOD is absent in the human host, this enzyme
Ana Maria Murta Santi   +3 more
doaj   +1 more source

Diversity of Monogenoidea parasitizing scombrid fishes from Rio de Janeiro coast, Brazil [PDF]

open access: yesCheck List, 2015
Eleven known species of Monogenoidea were found parasitizing six different species of scombrid fishes collected from Rio de Janeiro coast, Southwestern Atlantic Ocean: Capsala biparasitica, Capsala katsuwoni, Capsala notosinense, Nasicola brasiliensis ...
Marcia Justo, Anna Kohn
doaj   +3 more sources

Dactylogyrids (Platyhelminthes, Monogenea) from the gill lamellae of doradids (Siluriformes) with description of five new species of Cosmetocleithrum and new geographical distribution for known species from the Neotropical Region, Brazil

open access: yesParasite, 2023
Five new species of Cosmetocleithrum were described parasitizing the gill filaments of neotropical doradid fishes. Cosmetocleithrum undulatum n. sp., Cosmetocleithrum brachylecis n. sp. and Cosmetocleithrum ludovicense n. sp.
Silva Augusto Leandro de Sousa   +5 more
doaj   +1 more source

Frequência de helmintos em amostras fecais de cães em praças públicas de Pelotas-RS

open access: yesPubvet, 2020
O objetivo do presente estudo foi avaliar a frequência de helmintos gastrintestinais de pequenos animais em praças públicas do município de Pelotas-RS.
Tatiana de Avila Antunes   +8 more
doaj   +1 more source

Caracteres morfológicos e significí­¢ncia higiênico sanitária de Tentacularia coryphaenae em Coryphaena hippurus do Brasil

open access: yesBoletim do Instituto de Pesca, 2017
Coryphaena hippurus, ou dourado, é uma espécie popular de peixe pescada em torneios de pesca esportiva do Iate Clube do Rio de Janeiro, a qual é comercializada na própria peixaria do clube, devido í­Â  apreciação de sua carne.
Aline Monteiro da SILVA   +5 more
doaj   +1 more source

Comparative transcriptomic analysis of antimony resistant and susceptible Leishmania infantum lines

open access: yesParasites & Vectors, 2020
Background One of the major challenges to leishmaniasis treatment is the emergence of parasites resistant to antimony. To study differentially expressed genes associated with drug resistance, we performed a comparative transcriptomic analysis between ...
Juvana Moreira Andrade   +13 more
doaj   +1 more source

Levantamento sazonal de parasitos em caixas de areia de creches no município de Cuiabá, Mato Grosso

open access: yesPubvet, 2020
A presença de caixas de areia em creches, onde as crianças têm acesso, aliado a dificuldade de impedir animais nessas áreas, facilita a deposição de ovos, oocistos, cistos e larvas de parasitos que se proliferam e são importantes meios de transmissão de ...
Caroline Kaori Rodrigues Takizawa   +6 more
doaj   +1 more source

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