User profiles for R. J. Challis
Richard J ChallisWellcome Sanger Institute Verified email at sanger.ac.uk Cited by 3412 |
[HTML][HTML] Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled …
…, M Carr, MW Carroll, V Carter, K Cathie, RJ Challis… - The Lancet, 2020 - thelancet.com
Background The pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
might be curtailed by vaccination. We assessed the safety, reactogenicity, and …
might be curtailed by vaccination. We assessed the safety, reactogenicity, and …
Genomic islands of speciation separate cichlid ecomorphs in an East African crater lake
The genomic causes and effects of divergent ecological selection during speciation are still
poorly understood. Here we report the discovery and detailed characterization of early-stage …
poorly understood. Here we report the discovery and detailed characterization of early-stage …
[HTML][HTML] Differential var gene transcription in Plasmodium falciparum isolates from patients with cerebral malaria compared to hyperparasitaemia
HM Kyriacou, GN Stone, RJ Challis, A Raza… - Molecular and …, 2006 - Elsevier
The Plasmodium falciparum variant erythrocyte surface antigens known as PfEMP1, encoded
by the var gene family, are thought to play a crucial role in malaria pathogenesis because …
by the var gene family, are thought to play a crucial role in malaria pathogenesis because …
A Role for MORE AXILLARY GROWTH1 (MAX1) in Evolutionary Diversity in Strigolactone Signaling Upstream of MAX2
RJ Challis, J Hepworth, C Mouchel, R Waites… - Plant …, 2013 - academic.oup.com
Strigolactones ( SLs ) are carotenoid-derived phytohormones with diverse roles. They are
secreted from roots as attractants for arbuscular mycorrhizal fungi and have a wide range of …
secreted from roots as attractants for arbuscular mycorrhizal fungi and have a wide range of …
Phylogeny and DNA barcoding of inquiline oak gallwasps (Hymenoptera: Cynipidae) of the Western Palaearctic
We examine phylogenetic relationships within the Synergus complex of herbivorous inquiline
gallwasps (Hymenoptera; Cynipidae; Synergini) associated with cynipid host galls on oak, …
gallwasps (Hymenoptera; Cynipidae; Synergini) associated with cynipid host galls on oak, …
Mitochondrial barcodes are diagnostic of shared refugia but not species in hybridizing oak gallwasps
JA Nicholls, RJ Challis, S Mutun… - Molecular ecology, 2012 - Wiley Online Library
Mitochondrial DNA barcodes provide a simple taxonomic tool for systematic and ecological
research, with particular benefit for poorly studied or species‐rich taxa. Barcoding assumes …
research, with particular benefit for poorly studied or species‐rich taxa. Barcoding assumes …
A high-coverage draft genome of the mycalesine butterfly Bicyclus anynana
The mycalesine butterfly Bicyclus anynana, the “Squinting bush brown,” is a model organism
in the study of lepidopteran ecology, development, and evolution. Here, we present a draft …
in the study of lepidopteran ecology, development, and evolution. Here, we present a draft …
The phylogeographical clade trade: tracing the impact of human‐mediated dispersal on the colonization of northern Europe by the oak gallwasp Andricus kollari
… Graham Stone and Richard Challis contributed equally to this manuscript. … Richard Challis,
Alex Hayward and Sonja Preuss apply molecular phylogenetic approaches to a wide range …
Alex Hayward and Sonja Preuss apply molecular phylogenetic approaches to a wide range …
Field cricket genome reveals the footprint of recent, abrupt adaptation in the wild
… An index page links to an Ensembl page, where assembly statistics can be visualized using
a Challis plot or compared in tabular format. A plot illustrating codon usage is presented, …
a Challis plot or compared in tabular format. A plot illustrating codon usage is presented, …
Evolution of spider silks: conservation and diversification of the C‐terminus
RJ Challis, SL Goodacre, GM Hewitt - Insect molecular biology, 2006 - Wiley Online Library
Abstract Analysis of DNA sequences coding for the C‐terminus of spider silk proteins from a
range of spiders suggests that many silk C‐termini share a common origin, and that their …
range of spiders suggests that many silk C‐termini share a common origin, and that their …