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The invasive mite Varroa destructor has negatively impacted global apiculture, by being a vector for many viruses of the honey bee (Apis mellifera). Until now, most studies have been limited to varroa-honey bee or virus-honey bee interactions. The aim of this study is to bridge the important research gap of varroa-virus interactions by correlating varroa behavior with viral load. Ten-minute video recordings of 200 varroa mites were analyzed, and average speeds of the mites were compared to individual qPCR viral loads for deformed wing virus (DWV) and sacbrood virus (SBV). Statistically significant models reveal that colony, DWV, and SBV all might play a role in mite behavior, suggesting that the varroa-virus interaction needs to be an integral part of future studies on honey bee pathogens.
This article was published in the following journal.
Name: PloS one
Increasingly frequent warm periods during winter, which are associated with climate change, may cause mismatches between the colony phenology of the western honey bee, Apis mellifera L., and their flo...
Social insect colonies possess a range of defences which protect them against highly-virulent parasites and colony collapse. The host-parasite interaction between honey bees (Apis mellifera) and the m...
Acute bee paralysis virus (ABPV), Black queen cell virus (BQCV), Chronic bee paralysis virus (CBPV), Deformed wing virus (DWV), Sacbrood virus (SBV) and Varroa destructor virus-1 (VDV1) are the six ma...
The ectoparasitic mite Varroa destructor Anderson & Trueman is a major pest of the honey bee Apis mellifera L. (Hymenoptera: Apidae) and its control is one of the most important challenges that beekee...
The ectoparasitic mite Varroa destructor is the primary health problem of honey bees (Apis mellifera) worldwide. Africanized honey bees in Brazil have demonstrated tolerance to the mite, but there is ...
This study aims to determine: a) whether those patients with 'low level' viral load results (between 200 and 3,000 copies/ml) could be monitored as opposed to starting preemptive therapy w...
The primary objective of the trial is: • to evaluate the change from baseline in plasma viral load with placebo and one of up to 4 dose regimens of RDEA806. The secondary objecti...
Raltegravir (MK-0518) is an HIV-1 integrase inhibitor with potent in vitro activity against HIV-1 strains including those resistant to currently available antiretroviral drugs. The purpose...
The purpose of this study is to see if adding 1 drug to an anti-HIV drug combination early in treatment against HIV can lower the viral load (amount of HIV in the blood) to a level so low ...
Background: Cytomegalovirus (CMV) infection is usually observed among patients with HIV infection. No study to date has investigated the impact of CMV infection on HIV viral load decay dur...
The quantity of measurable virus in a body fluid. Change in viral load, measured in plasma, is sometimes used as a SURROGATE MARKER in disease progression.
Measure of the number of the PARASITES present in a host organism.
Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.
The continuous, long-term suppression of VIRAL LOAD, generally to undetectable levels, as the result of treatment with ANTIVIRAL AGENTS.
Determination of parasite eggs in feces.