Results 141 to 150 of about 570 (162)

Improvements in Routine Xenodiagnosis with First Instar Dipetalogaster Maximus (Uhler 1894) (Triatominae)

The American Journal of Tropical Medicine and Hygiene, 1979
First instar Dipetalogaster maximus proved as effective as third instar Triatoma infestans in detecting circulating Trypanosoma cruzi in patients with chronic infections examined in a routine xenodiagnostic laboratory. Since rearing costs are diminished, D. maximus has now replaced T. infestans as the xenodiagnostic agent in our laboratory.
P D, Marsden, A C, Barreto, C C, Cuba, M B, Gama, J, Ackers   +4 more
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Growth and Development of Two Trypanosoma Cruzi Clones in the Arthropod Dipetalogaster Maximus

The American Journal of Tropical Medicine and Hygiene, 1982
Trypomastigotes of single-cell-isolate Trypanosoma cruzi clones WA-250/1 and Esmereldo/2 were used to infect third-instar Dipetalogaster maximus. The level of infection was directly proportional to the concentration of trypomastigotes present in the blood meal. The minimum infectious dose for D. maximus was calculated as 5 organisms/ml.
E S, Garcia, J A, Dvorak
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Dipetalogaster maximus (Hemiptera, Triatominae) for xenodiagnosis of patients with serologically detectable Trypanosoma cruzi infection

Transactions of the Royal Society of Tropical Medicine and Hygiene, 1979
In patients serologically positive for Trypanosoma cruzi infection the three bug species/instar combinations used in xenodiagnosis showed third-instar Dipetalogaster maximus to be more efficient in detecting circulating trypanosomes than the first instar of the same species which, in turn, is more sensitive than third-instar Triatoma infestans.
C C, Cuba, N J, Alvarenga, A C, Barreto, P D, Marsden, V, Macedo, M P, Gama   +5 more
openaire   +3 more sources

Non-invasive blood sampling from primates using laboratory-bred blood-sucking bugs (Dipetalogaster maximus; Reduviidae, Heteroptera)

Primates, 2006
Primates are easily stressed by the conventional veterinary blood sampling routine and consequently, measured blood parameters may be biased. In this study, we tested blood-sucking bugs (Dipetalogaster maximus) on one lemur and two ape species (Microcebus murinus, Pongo abelii, Pan paniscus) as an alternative, non-invasive technique for bleeding ...
Ruth, Thomsen, Christian C, Voigt
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Interconversions of lipophorin particles by adipokinetic hormone in hemolymph of Panstrongylus megistus, Dipetalogaster maximus and Triatoma infestans (Hemiptera: Reduviidae)

Comparative Biochemistry and Physiology Part A: Physiology, 1995
Abstract Hemolymph of Panstrongylus megistus , Dipetalogaster maximus and Triatoma infestans (Hemiptera: Reduviidae), in the presence of adipokinetic hormone and fat bodies, has the molecular components for generating low density lipophorin (1.060–1.070 m ml −1 ) from high density lipophorin (1.130–1.140 g ml −1 ), similar to that observed in ...
Lilián E. Canavoso, Edilberto R. Rubiolo   +1 more
openaire   +2 more sources

Effect of fasting on the composition of the fat body lipid of Dipetalogaster maximus , Triatoma infestans and Panstrongylus megistus (Hemiptera: Reduviidae)

Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, 1998
Modifications in content and lipid composition induced by fasting were examined in fat bodies from adults of Triatominae, Dipetalogaster maximus, Triatoma infestans and Panstrongylus megistus. With fasting, total lipid stores dropped approximately 50% for T. infestans and more than 70% for P. megistus. Total lipids analyzed by thin layer chromatography
L E, Canavoso, L E, Bertello, R M, de Lederkremer, E R, Rubiolo   +3 more
openaire   +3 more sources

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Infection Rates inDipetalogaster maximus(Reduviidae: Triatominae) byTrypanosoma cruziin the Cape Region, Baja California Sur, México

Journal of Medical Entomology, 2003
Infection rates of Trypanosoma cruzi Chagas (in the blood-sucking bug Dipetalogaster maximus [Uhler]) were determined from specimens collected at 12 localities in the Cape Region of Baja California Sur, Mexico. Eight collection sites were located in the tropical dry forest, two in desert shrub, and two in the ecotone between these two communities.
María-Luisa, Jiménez, Jorge, Llinas, Carlos, Palacios   +2 more
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Effects of temperature and pH on hexokinase from the flight muscles of Dipetalogaster maximus (Hemiptera: Reduviidae).

Journal of medical entomology, 2000
Effects of temperature and pH on the catalytic properties of hexokinase (HK, EC 2.7.1.1) from the flight muscles of Dipetalogaster maximus (Uhler) were studied. The enzyme showed a hyperbolic behavior with its two substrates (glucose and ATP). There was no inhibition by glucose. Apparent Km and Vmax increased as pH increased from 7.0 to 8.5.
P Y, Scaraffia, N M, Gerez de Burgos
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Presence of a fatty acid-binding protein and lipid stores in flight muscles of Dipetalogaster maximus (Hemiptera: Reduviidae).

Journal of medical entomology, 2001
A fatty acid-binding protein (FABP) from the cytosolic fraction of the triatomine Dipetalogaster maximus (Uhler) flight muscles was purified by a procedure based on gel filtration, reverse-phase high performance liquid chromatography, and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The protein has an apparent molecular mass of
B M, Cavagnari, P Y, Scaraffia, J F, Haller, N M, Gerez De Burgos, J A, Santomé   +4 more
openaire   +1 more source

Presence of a Fatty Acid-Binding Protein and Lipid Stores in Flight Muscles of <I>Dipetalogaster maximus</I> (Hemiptera: Reduviidae)

, 2000
Brian M Cavagnari, Patricia Y. Scaraffia, Jorge F. Haller, Nelia M. Gerez de Burgos, José A. Santomé   +4 more
openalex   +1 more source