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At least 577 records · Page 32Linked to original sources
PubMed2006

A tapeworm molecule manipulates vitellogenin expression in the beetle Tenebrio molitor.

Metacestodes of Hymenolepis diminuta secrete a molecule that decreases vitellogenin (Vg) synthesis in the beetle host, Tenebrio molitor. The 5608 bp T. molitor Vg cDNA represents a single-copy gene encoding a single open reading frame of 1821 amino acids with a predicted molecular mass of 206 kDa. Northern blot analysis revealed detectable levels of transcripts only in adult females. In vivo, Vg mRNA abundance was significantly higher in fat bodies from infected females compared with control females at all but the earliest time point. In vitro, Vg mRNA abundance was significantly increased in fat bodies incubated with live stage I-II parasites. The apparent conflict between increased Vg mRNA abundance and decreased Vg protein in fat bodies from infected females is discussed.

Amino Acid Sequence↗
PubMed1960

Screening of cesticidal compounds on a tapeworm Hymenolepis nana in vitro.

A simple and convenient in vitro technique is described for the screening of compounds for action against Hymenolepis nana and probably many other intestinal worms. The results obtained from this test are in broad agreement with the findings of clinical experience and of a small series of in vivo tests. Among the substances tested, the most active ones were oil of chenopodium, dichlorophen, extract of cashew nut (Anacardium occidentale), antimony potassium tartrate, and BIQ 20 [eicosamethylenebis(isoquinolinium iodide)].

Anacardium↗
PubMed1976

Ovine cysticercosis in the Albany region of Western Australia. 1. Survey of tapeworms of rural dogs.

A survey of the cestode infections of 304 dogs from 134 properties in the Albany area of Western Australia was performed. Purgation was induced by oral administration of arecoline and the purge examined for cestodes. The cestodes found and their infection rates were: Dipylidium caninum 16.4%; Taenia spp 36.5%; T. ovis 8.9%; T. hydatigena 15.1%; T. pisiformis 15.1%; T. serialis 2.3%; Echinococcus granulosus 0.7%; Questionnaires completed on 133 of the 134 properties at the time the dogs were purged showed that:--73.6% of farmers were feeding raw sheep-meat and 24.8% were feeding raw offal to their dogs; dogs were treated on a regular basis with a cestocide on 23.3% of properties; dogs were allowed to roam on 21.8% of the properties and stray dogs were considered prevalent on 23.3% of properties. Suggestions for control of Cysticercus ovis are made based on an interpretation of the significance of these findings.

Animals↗
PubMed1977

The prevalence of tapeworms in dogs during the Hydatid Limitation program in Tasmania.

The hydatid Limitation Program in Tasmania began in 1965 with the annual purging of dogs to identify areas of high prevalence of Echinococcus granulosus combined with a strong educational program aimed at preventing access to offal by dogs. From 1969 to 1975 aenia spp detected in dog purges were submitted for identification and changes in annual prevalences analysed for each species. Despite a significant reduction in the prevalence of E. granulosus since the beginning of the program, the control measures involved have apparently not predisposed to any significant change in the prevalence of T. ovis and T. hydatigena during the period of this survey.

Animals↗