Robyn Manley

Robyn Manley
University of Exeter | UoE · College of Life and Environmental Sciences

Doctor of Philosophy

About

19
Publications
2,098
Reads
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363
Citations
Citations since 2016
6 Research Items
290 Citations
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20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
Introduction
I am a postdoctoral researcher at the University of Exeter. I completed my PhD in 2017 on viral emergence in wild pollinators. My current postdoc is a BBSRC funded project to understand the impact of agri-environment schemes on emerging infectious diseases in pollinators.

Publications

Publications (19)
Article
Full-text available
The potential for infectious pathogens to spillover and emerge from managed populations to wildlife communities is poorly understood, but ecological, evolutionary and anthropogenic factors are all likely to influence the initial exposure and subsequent infection, spread and impact of disease. Fast-evolving RNA viruses, known to cause severe colony...
Article
Full-text available
Slow bee paralysis virus (SBPV)—previously considered an obligate honeybee disease—is now known to be prevalent in bumblebee species. SBPV is highly virulent in honeybees in association with Varroa mites, but has been considered relatively benign otherwise. However, condition-dependent pathogens can appear asymptomatic under good, resource abundant...
Article
Full-text available
Schmallenberg virus (SBV), an arboviral pathogen of ruminants, emerged in northern Europe during 2011 and has subsequently spread across a vast geographic area. While Culicoides biting midges (Diptera: Ceratopogonidae) have been identified as a biological transmission agent of SBV, the role of mosquitoes (Diptera: Culicidae) as potential vectors ha...
Article
Full-text available
Background The recent unprecedented emergence of arboviruses transmitted by Culicoides biting midges in northern Europe has necessitated the development of techniques to differentiate competent vector species. At present these techniques are entirely reliant upon interpretation of semi-quantitative RT-PCR (sqPCR) data in the form of Cq values used...
Chapter
Understanding change in population abundance is critical to understanding change in biodiversity. This chapter presents an indicator measuring change in abundance of vertebrate species over a 37-year time period from 1970 to 2007. The Living Planet Index (LPI) measures global vertebrate abundance trends over time by calculating the average change i...
Article
Full-text available
In 1977, a sample of diseased adult honeybees ( Apis mellifera ) from Egypt was found to contain large amounts of a previously unknown virus, Egypt bee virus, which was subsequently shown to be serologically related to deformed wing virus (DWV). By sequencing the original isolate, we demonstrate that Egypt bee virus is in fact a fourth unique, majo...
Preprint
Full-text available
Background Whole-genome sequencing has been used successfully to provide additional information for transmission pathways in infectious spread. We report and interpret genomic sequencing results in clinical context from a large outbreak of COVID-19 with 46 cases across staff and patients in a community hospital in the UK. Methods Following multiple...
Article
Full-text available
Typically pathogens infect multiple host species. Such multi‐host pathogens can show considerable variation in their degree of infection and transmission specificity, which has important implications for potential disease emergence. Transmission of multi‐host pathogens can be driven by key host species and changes in such transmission networks can...
Article
Full-text available
Novel transmission routes can directly impact the evolutionary ecology of infectious diseases, with potentially dramatic effect on host populations and knock‐on effects on the wider host community. The invasion of Varroa destructor, an ectoparasitic viral vector in Western honeybees, provides a unique opportunity to examine how a novel vector affec...
Data
Full-text available
Table S2. A list of sequenced viruses isolated from Apis mellifera to date.
Data
Table S4. Data on host range for eight common viruses of Apis mellifera.
Data
Full-text available
Table S1. The global presence and prevalence of eight common viruses of Apis mellifera.
Data
Full-text available
Table S3. Transmission routes of eight common viruses of Apis mellifera.
Data
Full-text available
OpenBUGS code for implementing the two-component mixture model. (PDF)
Data
Marginal posterior densities for parameters in a two-component mixture model, (1), for (A,C,E,G) C. sonorensis and (B,D,F,H) C. nubeculosus. (A,B) Probability of developing a transmissible infection. (C,D) Mean and (E,F) standard deviation of the Cq values for Culicoides with a transmissible (solid line) or a sub-transmissible (dashed line) infecti...
Data
Comparison of the observed (bars) and expected (posterior mean (circles) and 95% prediction intervals (error bars)) Cq values for (A) C. sonorensis and (B) C. nubeculosus infected by feeding on SBV-infected blood via a membrane. (TIF)
Data
Comparison of posterior predictions of the mixture model, (1), based on data for (A,B) C. sonorensis or (C,D) C. nubeculosus processed as whole insects and the results for dissected individuals. (A,C) Predicted number of Culicoides with a transmissible infection following membrane feeding. The bars indicate the relative frequency and the arrow the...

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Projects

Project (1)
Project
We will determine the viral assemblage of wild and managed bees, thus identifying any potentially unknown emerging diseases. We will establish how disease transmission dynamics change in the presence of pollinator-targeted agri-environment schemes.