Beside many beneficial applications in industry, agriculture and medicine, nanoparticles (NPs) released into the environment might cause adverse effects. In the present study, effects of exposure to sublethal concentrations of PbO and CdO NPs, either separately or in combination on honey bee (A. mellifera) workers were assessed. Honey bee workers were fed sugar syrup contained…
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The use of the microscope opens up a whole new dimension in science. By using microscopes scientists are able to get knowledge about the existence of many things never seen before. Using Micro computed tomography or “micro-CT” these images represents 2D (transverse, sagittal and frontal images) and 3D microscopy, where the very fine scale internal…
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Reference: Haddad, N. J., Adjlane, N., Saini, D., Menon, A., Krishnamurthy, V., Jonklaas, D., … & Horth, L. (2018). Whole
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Reference: Haddad, N., Horth, L., Al-Shagour, B., Adjlane, N., & Loucif-Ayad, W. (2018). Next-generation sequence data demonstrate several pathogenic bee viruses in Middle East and African honey bee subspecies (Apis mellifera syriaca, Apis mellifera intermissa) as well as their cohabiting pathogenic mites (Varroa destructor). Virus genes, 1-12. RNA viruses are associated with honey bee (Apis…
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The aim of this review is to compile what is known about beekeeping in Egypt, statistics on beehives in Egypt, non-Apis pollinators, crops in need of pollination, and the potential honey bee pollination gap in Egypt. This review was performed in an attempt to draw the attention of stakeholders and decision makers to the value…
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The Faculty of Natural Sciences I – Life Sciences at the Martin Luther University (MLU) Halle-Wittenberg invites applications for the following appointment, available from 01.04.2019, at the level of full professor in the Institute of Biology, Division of Zoology: W3-Professorship in Animal Ecology We seek to appoint an outstanding, internationally recognized scientist with a focus…
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The Helmholtz Centre for Environmental Research (UFZ) with its 1,100 employees has gained an excellent reputation as an international competence centre for environmental sciences. We are part of the largest scientific organisation in Germany, the Helmholtz association. Our mission: Our research seeks to find a balance between social development and the long-term protection of our…
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UR 406 Abeilles & Environnement, INRA Avignon, France Pollinators face multiple threats including agrochemicals, pathogens, habitat loss and climate change. A major new project PoshBee (Pan-European Assessment, Monitoring and Mitigation of Stressors on the Health of Bees) aims to understand the impacts of these multiple pressures on a range of bee species and develop novel…
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Currently, there are four Varroa species identified worldwide, which present a high interspecific and intraspecific variability. The objective of this investigation was to identify the predominant species of Varroa and the effect of thymol on the plasticity of the mite. To determine the species and effect of thymol on the plasticity of the mite, 150…
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Dear COLOSS members, On behalf of the CSI Varroa Group leaders (Janja, Nikola and myself) I am posting the final information about our initiative. Most of you probably remember the discussions we had on this subject and this final version is the results of these discussions. With this we are seeking colleagues to act as…
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