نتایج جستجو برای: trypanosoma theileri
تعداد نتایج: 13738 فیلتر نتایج به سال:
The anti-Trypanosoma cruzi activity of extracts from 13 Argentinean Asteraceae species was determined. Dichloromethane and methanol extracts of Acmella bellidioides, Aspilia silphioides, Viguiera tuberosa, Calyptocarpus biaristatus, Hyalis argentea, Helenium radiatum, Gaillardia megapotamica, Verbesina subcordata, Gymnocoronis spilanthoides, Viguiera anchusaefolia, Thelesperma megapotamicum, Ze...
Phytochemical investigation of a dichloromethane-methanol (1:1) extract of the fruit pericarp of Omphalocarpum procerum which exhibited antiplasmodial activity during preliminary screening led to the isolation of the new fatty ester triterpenoid 3β-hexadecanoyloxy-28-hydroxyolean-12-en-11-one (1), together with five known compounds 2-6. The structure of the new compound as well as those of the ...
Trypanosomatids are a huge group of vertebrate, invertebrate and plant parasites that can cause severe illnesses in hosts. Although avian trypanosomes widely spread throughout the world, information about their transmission vector–host relationships is still scarce. This study aimed to investigate Trypanosoma prevalence bloodsucking Diptera collected at tree-nesting raptor birds’ nests. Insects...
Antigenic diversity is generated by distinct evolutionary mechanisms in African trypanosome species.
Antigenic variation enables pathogens to avoid the host immune response by continual switching of surface proteins. The protozoan blood parasite Trypanosoma brucei causes human African trypanosomiasis ("sleeping sickness") across sub-Saharan Africa and is a model system for antigenic variation, surviving by periodically replacing a monolayer of variant surface glycoproteins (VSG) that covers it...
During the present study, detailed mosquito surveys were carried out from various habitats of developed areas, gardens, slums and surrounding villages Chandigarh June 2017 to November 2019 explore fauna. Six species Culex pipiens L group recorded with maximum distribution quinquefasciatus Say (89.61%) followed by univittatus Theobald (6.39%) while, rest viz; vagans Wiedemann, Cx. hutchinsoni Ba...
BACKGROUND Head lice, Pediculus humanus capitis, occur in four divergent mitochondrial clades (A, B, C and D), each having particular geographical distributions. Recent studies suggest that head lice, as is the case of body lice, can act as a vector for louse-borne diseases. Therefore, understanding the genetic diversity of lice worldwide is of critical importance to our understanding of the ri...
This paper presents a re-evaluation of the taxonomic position and evolutionary relationships of Trypanosoma (Herpetosoma) rangeli based on the phylogenetic analysis of ssrRNA sequences of 64 Trypanosoma species and comparison of mini-exon sequences. All five isolates of T. rangeli grouped together in a clade containing Trypanosoma (Schizotrypanum) cruzi and a range of closely related trypanosom...
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