Monitoring of Ebola Virus Makona Evolution through Establishment of Advanced Genomic Capability in Liberia
Published Date:Jul 2015
Source:Emerg Infect Dis. 21(7):1135-1143.
Corporate Authors:on behalf of US Army Medical Research Institute of Infectious Diseases ; National Institutes of Health ; Integrated Research Facility–Frederick Ebola Response Team 2014–2015
DNA Mutational Analysis
Drug Resistance, Viral
Hemorrhagic Fever, Ebola
Monitoring Of Ebola Virus Makona Evolution Through Establishment Of Advanced Genomic Capability In Liberia
Negative-strand RNA Virus
Viral Hemorrhagic Fever
Pubmed Central ID:PMC4816332
Funding:HHSN272200700016I/PHS HHS/United States
Description:To support Liberia's response to the ongoing Ebola virus (EBOV) disease epidemic in Western Africa, we established in-country advanced genomic capabilities to monitor EBOV evolution. Twenty-five EBOV genomes were sequenced at the Liberian Institute for Biomedical Research, which provided an in-depth view of EBOV diversity in Liberia during September 2014-February 2015. These sequences were consistent with a single virus introduction to Liberia; however, shared ancestry with isolates from Mali indicated at least 1 additional instance of movement into or out of Liberia. The pace of change is generally consistent with previous estimates of mutation rate. We observed 23 nonsynonymous mutations and 1 nonsense mutation. Six of these changes are within known binding sites for sequence-based EBOV medical countermeasures; however, the diagnostic and therapeutic impact of EBOV evolution within Liberia appears to be low.
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