176 Works

Exhibition review: Yorkshire Sculpture International 2019

Eduardo De Maio

Co-ordinating Research Action : Air Quality & COVID-19

Sarah Moller
The report arising from a meeting held in May 2020 to co-ordinate research action around air quality and COVID-19. The report contains details of knowledge gaps and calls to action for the research community.

Data from: Population genetic structure and secondary symbionts in host-associated populations of the pea aphid complex

Julia Ferrari, Joan A West, Sara Via & H. Charles J. Godfray
Polyphagous insect herbivores experience different selection pressures on their various host plant species. How this affects population divergence and speciation may be influenced by the bacterial endosymbionts that many harbor. Here, we study the population structure and symbiont community of the pea aphid (Acyrthosiphon pisum), which feeds on a range of legume species and is known to form genetically differentiated host-adapted populations. Aphids were collected from eight legume genera in England and Germany. Extensive host...

Data from: A genetic discontinuity in root-nodulating bacteria of cultivated pea in the Indian trans-Himalayas

Praveen Rahi, Riti Kapoor, J. Peter W. Young & Arvind Gulati
Evolutionary relationships of 120 root-nodulating bacteria isolated from the nodules of Pisum sativum cultivated at 22 different locations of the trans-Himalayan valleys of Lahaul and Spiti in the state of Himachal Pradesh of India were studied using 16S rRNA gene PCR-RFLP, ERIC-PCR, sequencing of 16S rRNA, atpD, recA, nodC and nifH genes, carbon-source utilization pattern (BIOLOG™), and whole-cell fatty acid profiling. The results demonstrated that all isolates belonged to Rhizobium leguminosarum symbiovar viciae (Rlv). Isolates...

Data from: Understanding the basis of diminished gene flow between hybridizing chromosome races of the house mouse

Mabel D. Giménez, Thomas A. White, Heidi C. Hauffe, Thadsin Panithanarak & Jeremy B. Searle
Speciation may be promoted in hybrid zones if there is an interruption to gene flow between the hybridizing forms. For hybridizing chromosome races of the house mouse in Valtellina (Italy) distinguished by whole-arm chromosomal rearrangements, previous studies have shown that there is greater interruption to gene flow at the centromeres of chromosomes that differ between the races than at distal regions of the same chromosome or at the centromeres of other chromosomes. Here, by increasing...

Data from: Microsatellites for the marsh Fritillary butterfly: de novo transcriptome sequencing, and a comparison with amplified fragment length polymorphism (AFLP) markers

Melanie R. Smee, Yannick Pauchet, Paul Wilkinson, Brian Wee, Michael C. Singer, Richard H. Ffrench-Constant, David J. Hodgson & Alexander S. Mikheyev
BACKGROUND: Until recently the isolation of microsatellite markers from Lepidoptera has proved troublesome, expensive and time-consuming. Following on from a previous study of Edith's checkerspot butterfly, Euphydryas editha, we developed novel microsatellite markers for the vulnerable marsh fritillary butterfly, E. aurinia. Our goal was to optimize the process in order to reduce both time and cost relative to prevailing techniques. This was accomplished by using a combination of previously developed techniques: in silico mining of...

Data from: Delimiting tropical mountain ecoregions for conservation

Philip J. Platts, Neil D. Burgess, Roy E. Gereau, Jon C. Lovett, Andrew R. Marshall, Colin J. McClean, Petri K. E. Pellikka, Ruth D. Swetnam & Rob Marchant
Ecological regions aggregate habitats with similar biophysical characteristics within well-defined boundaries, providing spatially consistent platforms for monitoring, managing and forecasting the health of interrelated ecosystems. A major obstacle to the implementation of this approach is imprecise and inconsistent boundary placement. For globally important mountain regions such as the Eastern Arc (Tanzania and Kenya), where qualitative definitions of biophysical affinity are well established, rule-based methods for landform classification provide a straightforward solution to ambiguities in region...

Data from: Pre-adapting parasitic phages to a pathogen leads to increased pathogen clearance and lowered resistance evolution with Pseudomonas aeruginosa cystic fibrosis bacterial isolates

Ville-Petri Friman, V-P. Friman, D. Soanes-Brown, P. Sierocinski, A. Buckling, H. K. Johansen, S. Molin & M. Merabishvili
Recent years have seen renewed interest in phage therapy - the use of viruses to specifically kill disease-causing bacteria – because of the alarming rise in antibiotic resistance. However, a major limitation of phage therapy is the ease at with bacteria can evolve resistance to phages. Here we determined if in vitro experimental coevolution can increase the efficiency of phage therapy by limiting the resistance evolution of intermittent and chronic cystic fibrosis Pseudomonas aeruginosa lung...

Data from: Horizontal transfer of facultative endosymbionts is limited by host relatedness

Piotr Lukasik, Huifang Guo, Margriet Van Asch, Lee M. Henry, H. Charles J. Godfray & Julia Ferrari
Heritable microbial symbionts can have important effects on many aspects of their hosts’ biology. Acquisition of a novel symbiont strain can provide fitness benefits to the host, with significant ecological and evolutionary consequences. We measured barriers to horizontal transmission by artificially transferring facultative symbionts from the grain aphid, Sitobion avenae, and five other aphid species into two clonal genotypes of S. avenae. We found the symbiont Hamiltonella defensa establishes infections more easily following a transfer...

Data from: A new model for ancient DNA decay based on paleogenomic meta-analysis

Logan Kistler, Roselyn Ware, Oliver Smith, Matthew Collins & Robin G. Allaby
The persistence of DNA over archaeological and paleontological timescales in diverse environments has led to a revolutionary body of paleogenomic research, yet the dynamics of DNA degradation are still poorly understood. We analyzed 185 paleogenomic datasets and compared DNA survival with environmental variables and sample ages. We find cytosine deamination follows a conventional thermal age model, but we find no correlation between DNA fragmentation and sample age over the timespans analyzed, even when controlling for...

Data from: An experimental study of the putative mechanism of a synthetic autonomous rotary DNA nanomotor

Katherine E. Dunn, Mark C. Leake, Adam J. M. Wollman, Martin A. Trefzer, Steven Johnson & Andy M. Tyrrell
DNA has been used to construct a wide variety of nanoscale molecular devices. Inspiration for such synthetic molecular machines is frequently drawn from protein motors, which are naturally occurring and ubiquitous. However, despite the fact that rotary motors such as ATP synthase and the bacterial flagellar motor play extremely important roles in nature, very few rotary devices have been constructed using DNA. This paper describes an experimental study of the putative mechanism of a rotary...

Data from: Parasites and competitors suppress bacterial pathogen synergistically due to evolutionary trade-offs

XiaoFang Wang, Zhong Wei, Mei Li, Xueqi Wang, Anqi Shan, Xinlan Mei, Alexandre Jousset, Qirong Shen, Yangchun Xu & Ville-Petri Friman
Parasites and competitors are important for regulating pathogen densities and subsequent disease dynamics. It is, however, unclear to what extent this is driven by ecological and evolutionary processes. Here we used experimental evolution to study the eco-evolutionary feedbacks between Ralstonia solanacearum bacterial pathogen, Ralstonia-specific phage parasite and Bacillus amyloliquefaciens competitor bacterium in the laboratory and plant rhizosphere. We found that while the phage had a small effect on pathogen densities on its own, it considerably...

Data from: Reframing the evidence base for policy-relevance to increase impact: a case study on forest fragmentation in the oil palm sector

Jennifer M. Lucey, Georgina Palmer, K. Loong Yeong, David P. Edwards, Michael J. M. Senior, Sarah A. Scriven, Glen Reynolds & Jane K. Hill
It is necessary to improve knowledge exchange between scientists and decision-makers so that scientific evidence can be readily accessed to inform policy. To maximise impact of scientific evidence in policy development, the scientific community should engage more fully with decision-makers, building long-term working relationships in order to identify and respond to ‘policy windows’ with science that is reframed for policy-relevance. We illustrate the process and challenges using a case study in which we synthesised evidence...

Data from: Still armed after domestication? Impact of domestication and agronomic selection on silicon defences in cereals

Kimberley J. Simpson, Ruth N. Wade, Mark Rees, Colin P. Osborne & Sue E. Hartley
1. Plant phenotypes reflect trade-offs between competing resource-intensive physiological processes. A shift in resource allocation, away from anti-herbivore defences and towards growth and reproduction, is predicted through plant domestication, such that crops are faster growing and higher yielding than their wild ancestors. These changes are hypothesized to have come at the cost of defence investment, leaving crops ‘disarmed by domestication’. Silicon is the principal anti-herbivore defence in grasses, including many of our most important staple...

Data from: The evolutionary history of dogs in the Americas

Máire Ní Leathlobhair, Angela R. Perri, Evan K. Irving-Pease, Kelsey E. Witt, Anna Linderholm, James Haile, Ophelie Lebrasseur, Carly Ameen, Jeffrey Blick, Adam R. Boyko, Selina Brace, Yahaira Nunes Cortes, Susan J. Crockford, Alison Devault, Evangelos A. Dimopoulos, Morley Eldridge, Jacob Enk, Shyam Gopalakrishnan, Kevin Gori, Vaughan Grimes, Eric Guiry, Anders J. Hansen, Ardern Hulme-Beaman, John Johnson, Andrew Kitchen … & Laurent A. F. Frantz
Dogs were present in the Americas prior to the arrival of European colonists, but the origin and fate of these pre-contact dogs are largely unknown. We sequenced 71 mitochondrial and seven nuclear genomes from ancient North American and Siberian dogs spanning ~9,000 years. Our analysis indicates that American dogs were not domesticated from North American wolves. Instead, American dogs form a monophyletic lineage that likely originated in Siberia and dispersed into the Americas alongside people....

Data from: Impact of enrichment conditions on cross-species capture of fresh and degraded DNA

Johanna L. A. Paijmans, Joerns Fickel, Alexandre Courtiol, Michael Hofreiter & Daniel W. Förster
By combining high-throughput sequencing with target-enrichment (“hybridization capture”), researchers are able to obtain molecular data from genomic regions of interest for projects that are otherwise constrained by sample quality (e.g. degraded and contamination-rich samples) or a lack of a priori sequence information (e.g. studies on non-model species). Despite the use of hybridization capture in various fields of research for many years, the impact of enrichment conditions on capture success are not yet thoroughly understood. We...

Data from: The effects of spatial structure, frequency dependence and resistance evolution on the dynamics of toxin-mediated microbial invasions

Ben Libberton, Malcolm J. Horsburgh & Michael A. Brockhurst
Recent evidence suggests that interference competition between bacteria shapes the distribution of the opportunistic pathogen Staphylococcus aureus in the lower nasal airway of humans, either by preventing colonization or by driving displacement. This competition within the nasal microbial community would add to known host factors that affect colonization. We tested the role of toxin-mediated interference competition in both structured and unstructured environments, by culturing S. aureus with toxin-producing or nonproducing Staphylococcus epidermidis nasal isolates. Toxin-producing...

Data from: Agri-environment conservation set-asides have co-benefits for connectivity

Katie Threadgill, Colin McClean, Jenny Hodgson, Naomi Jones & Jane Hill
Widespread declines in farmland biodiversity have led to state-funded schemes which take land out of production to create (semi-)natural habitats for biodiversity (e.g. EU agri-environment schemes; US Conservation Reserve Program). Common features of such schemes are grassland strips at the edges of agricultural fields, and we examine potential co-benefits of these biodiversity set-asides for contributing to grassland connectivity. Although set-aside strips had negligible impact on landscape-scale species persistence (using metapopulation models parameterized for flying insects...

Occurrence of exotic plant species in oil palm dominated landscapes with embedded rainforest remnants in Sabah, Malaysian Borneo, 2019

E.H. Waddell, D.S. Chapman, J.K. Hill, M. Hughes, A. Bin Sailim, J. Tangah & L.F. Banin
This dataset contains records of exotic plant occurrence within 21 oil palm-dominated sites in Sabah, Malaysian Borneo. Within each site, exotic plants were recorded along 100m transects in up to four habitats that represented a gradient of disturbance. The four habitats included oil palm, forest-oil palm edge, disturbed forest and intact forest. In addition to exotic plant data, the dataset contains measurements of forest structure for each transect, including canopy cover and number of large...

Polychlorinated biphenyls (PCB), chlorobenzenes (CB) and organochlorine pesticides (OC) data from rivers [LOIS]

D. Leach, A. Meharg, J. Wright, N. Bachiller-Jareno, I. Tindall & R. Moore
Polychlorinated biphenyls (PCB), chlorobenzenes (CB) and organochlorine pesticides (OC) data from river water collected at various sites within the Humber catchment area as part of the Land Ocean Interaction Study project (LOIS). Data were collected at regular weekly intervals and intermittently during periods of high flows. All sites were samples from early 1994 to the end of 1996 except for O12, which was sampled from November 1994 till November 1996. The sampling was carried out...

Hampshire Avon: soil temperature and water content data from three sub-catchments

J. E. Stockdale & P. Ineson
The dataset contains measurements of soil temperature and volumetric water content from plots in agricultural grasslands in the Hampshire Avon catchment (UK) from late-2013 to September 2015. Manipulations of soil temperature were made at three orthogonal experiments in three sub-catchments of contrasting geology (chalk, clay and greensand) between May and September 2015.

Integrating stakeholders’ perspectives and spatial modelling to develop scenarios of future land use and land cover change in northern Tanzania

Rebecca Kariuki, Linus Munishi, Colin Courtney-Mustaphi, Claudia Capitani, Anna Shoemaker, Paul Lane & Rob Marchant
Rapid rates of land use and land cover change (LULCC) in eastern Africa and limited instances of genuinely equal partnerships involving scientists, communities and decision makers challenge the development of robust pathways toward future environmental and socioeconomic sustainability. We use a participatory modelling tool, Kesho, to assess the biophysical, socioeconomic, cultural and governance factors that influenced past (1959-1999) and present (2000-2018) LULCC in northern Tanzania and to simulate four scenarios of land cover change to...

Data from: Comparing life histories across taxonomic groups in multiple dimensions: how mammal-like are insects?

Adam Thomas Bakewell, Katie E. Davis, Nick J. B. Isaac, Robert P. Freckleton & Peter J. Mayhew
Explaining variation in life histories remains a major challenge because they are multi-dimensional and there are many competing explanatory theories and paradigms. An influential concept in life history theory is the 'fast-slow continuum', exemplified by mammals. Determining the utility of such concepts across taxonomic groups requires comparison of the groups' life histories in multidimensional space. Insects display enormous species richness and phenotypic diversity, but testing hypotheses like the 'fast-slow continuum' has been inhibited by incomplete...

Data from: How do predators generalize warning signals in simple and complex prey communities? Insights from a videogame

Monica Arias, John W. Davey, Simon Martin, Chris Jiggins, Nicola Nadeau, Mathieu Joron & Violaine Llaurens
The persistence of distinct warning signals within and between sympatric mimetic communities is a puzzling evolutionary question because selection favours convergence of colour patterns among toxic species. Such convergence is partly shaped by predators’ reaction to similar but not identical stimulus, i.e. generalization behaviour. And generalisation by predators is likely to be shaped by the diversity of local prey. However, studying generalization behaviour is generally limited to simple variations of prey colour patterns. Here, we...

Data from: Chemical structure predicts the effect of plant-derived low-molecular weight compounds on soil microbiome structure and pathogen suppression

Yian Gu, Xiaofang Wang, Tianjie Yang, Ville-Petri Friman, Stefan Geisen, Zhong Wei, Yangchun Xu, Alexandre Jousset & Qirong Shen
1. Plant-derived low molecular weight compounds play a crucial role in shaping soil microbiome functionality. While various compounds have been demonstrated to affect soil microbes, most data are case-specific and do not provide generalizable predictions on their effects. Here we show that the chemical structural affiliation of low molecular weight compounds typically secreted by plant roots – sugars, amino acids, organic acids and phenolic acids – can predictably affect microbiome diversity, composition and functioning in...

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  • University of York
  • University of Liverpool
  • University of Sheffield
  • Centre for Ecology & Hydrology
  • University of Cambridge
  • University of Oxford
  • UK Centre for Ecology & Hydrology
  • University of Glasgow
  • University of Vienna
  • Western Sydney University