Results 1 to 10 of about 2,781 (117)

Consumption of Galactose by Trypanosoma cruzi Epimastigotes Generates Resistance against Oxidative Stress

open access: yesPathogens, 2022
In this study, we demonstrate that Trypanosoma cruzi epimastigotes previously grown in LIT medium supplemented with 20 mM galactose and exposed to sub-lethal concentrations of hydrogen peroxide (100 μM) showed two-fold and five-fold viability when ...
Ángel Lobo-Rojas   +5 more
doaj   +1 more source

Prolonged survival of venereal Tritrichomonas foetus parasite in the gastrointestinal tract, bovine fecal extract, and water

open access: yesMicrobiology Spectrum, 2023
Bovine tritrichomonosis is a venereal disease that causes economic losses around the world. Over the last 100 years, the life cycle of the protozoan Tritrichomonas foetus in bovines has only considered venereal transmission, almost exclusively through ...
Cristian I. Martínez   +8 more
doaj   +1 more source

Dynamics of transmission of Trypanosoma cruzi in a rural area of Argentina: III. Persistence of T. cruzi parasitemia among canine reservoirs in a two-year follow-up

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 1986
A new cross-sectional survey of household- associated mongrel dogs as well as follow-up of previously parasitemic individuals was carried out in 1984 toy means of xenodiagnosis and serologic techniques to get a deeper insight into the relationship of T ...
Ricardo E. Gurtler   +6 more
doaj   +1 more source

Checklist and state of knowledge of helminths in wild birds from Chile: an update

open access: yesAustral Journal of Veterinary Sciences, 2021
Helminths are an important component of biodiversity with over 24,000 species parasitising wild birds globally, with this figure on the rise given the growing interest in wildlife parasitology.
Pablo Oyarzún-Ruiz   +1 more
doaj   +1 more source

Delineating transitions during the evolution of specialised peroxisomes: Glycosome formation in kinetoplastid and diplonemid protists

open access: yesFrontiers in Cell and Developmental Biology, 2022
One peculiarity of protists belonging to classes Kinetoplastea and Diplonemea within the phylum Euglenozoa is compartmentalisation of most glycolytic enzymes within peroxisomes that are hence called glycosomes.
Diego Andrade-Alviárez   +6 more
doaj   +1 more source

EVOLUCIÓN DE INTERACCIONES PARÃ�SITO - HOSPEDERO: COEVOLUCIÓN, SELECCIÓN SEXUAL Y OTRAS TEORÃ�AS PROPUESTAS THE EVOLUTION OF HOST-PARASITE INTERACTIONS: COEVOLUTION, SEXUAL SELECTION AND OTHER SUGGESTED THEORIES

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2011
Esta revisión resume los modelos teóricos de interacciones parásito-hospedero que se encuentran disponibles en la literatura científica. Se revisaron publicaciones internacionales en revistas especializadas sobre parasitología y ecología. Estudios teóricos y prácticos de las interacciones parásitohospedero, en algunos casos, sugieren variaciones ...
openaire   +7 more sources

Detección por PCR de Haemoproteus archilochus en Amazilia tzacatl (Trochilidae) en Colombia

open access: yesActa Biológica Colombiana, 2021
La infección causada por haemosporidios en colibríes no ha sido estudiada en zonas agroforestales o urbanas de la vertiente occidental de la Cordillera Oriental de los Andes en el departamento de Santander, pese a existir evidencia de esta en otros ...
Angie Nurien Duarte Moreno   +2 more
doaj   +1 more source

"Parásitos"

open access: yesActio Nova, 2020
En la antigua Grecia, la palabra parasito se refería, originalmente, a los altos funcionarios encargados de verificar la cosecha del trigo. Ser parásito era un gran honor, porque a estos seres se les consideraba sagrados.
Carlos Gutiérrez Bracho
doaj   +1 more source

Determination of Intracellular Ca2+ Concentration in the Human Pathogens Trypanosomatids Leishmania mexicana and Trypanosoma cruzi by the Use of the Fluorescent Ca2+ Indicator Fura-2

open access: yesBio-Protocol, 2020
Ca2+ is an essential signaling messenger in all eukariotic cells, playing a pivotal role in many cellular functions as cell growth control (differentiation, fertilization and apoptosis), secretion, gene expression, enzyme regulation, among many others ...
Andre Rey-Cibati   +2 more
doaj   +1 more source

Prevalencia coprológica de parásitos gastrointestinales en humanos y porcinos de crianza de traspatio del distrito de Zapatero, San Martín

open access: yesRevista de Veterinaria y Zootecnia Amazónica, 2022
El objetivo del presente estudio de investigación fue determinar la prevalencia de parasitismo intestinal en porcinos y humanos del Centro Poblado Menor de Bagazan, provincia de Lamas, Perú.
Víctor Puicón   +3 more
doaj   +1 more source

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