Results: 5

Black queen cell virus and Nosema ceranae coinfection in Africanized honey bees from southern Brazil

Pesqui. vet. bras; 40 (11), 2020
Bees are fundamental in several aspects, especially in relation to plant biodiversity and pollination. Recently, immense losses are being faced in the number of Brazilian colonies, mainly in southern states of the country, which has a strong beekeeping activity. There are indications that, among the reas...

Prevalence of honey bee (Apis mellifera) viruses in temperate and subtropical regions from Argentina

Rev. argent. microbiol; 49 (2), 2017
In Argentina, bee virus studies are still incipient, and there are no studies regarding the climatic effect. The aim of this study was to assess and compare the presence of honeybee viruses in different climatic regions from Argentina. A total of 385 colonies distributed in five Argentinean eco-regions w...

Macelignan inhibits bee pathogenic fungi Ascophaera apis growth through HOG1 pathway

Braz. j. med. biol. res; 49 (7), 2016
Ascosphaera apis is a bee pathogen that causes bee larvae infection disease, to which treatment is not yet well investigated. The aim of this study was to investigate antifungal susceptibility in vitro against A. apis and to identify a new antifungal agent for this pathogen through minimal inhibitory con...

Antibacterial activity of Apis mellifera L. propolis collected in three regions of Kenya

The present study aimed at investigating the susceptibility of the microorganisms Pseudomonas aeruginosa, Salmonella typhi, Escherichia coli, Staphylococcus aureus, and Bacillus subtilis to ethanolic extracts of propolis (EEP) from three regions of Kenya (Taita, Tana and Samburu). Propolis was extracted ...

Estudo "in vitro" da atividade antifúngica e antibacteriana da geléia real
\"In vitro\" study of the antifungal and antibacterial activity of real jelly

J. bras. med; 69 (5/6), 1995
A geléia real é uma substância secretada pela glândula existente no encéfalo das abelhas-obreiras. É usada como tônico energético, para retardar os efeitos da idade e amenizar sofrimentos de doenças crônicas. Suas propriedades antimicrobianas foram investigadas, frente a bactérias Gram-positiv...