Fundamentals of Molecular Evolution Dan Graur, Wen ... Bio 113/244 Fundamentals of Molecular Evolution Fundamentals of Molecular Evolution | Briefings in ... Fundamentals of Molecular Evolution by Dan Graur Fundamentals of Molecular Evolution: 9780878932665 ... Fundamentals of Molecular Evolution | Dan Graur, Wen ... (PDF) Fundamentals of molecular evolution Fundamentals Of Molecular Evolution Fundamentals of Molecular Evolution Dan Graur; Wen ... eBook [PDF] Fundamentals Of Molecular Evolution Download ... Fundamentals of molecular evolution Fundamentals Of Molecular Evolution FUNDAMENTALS OF MOLECULAR EVOLUTION Fundamentals of Molecular Evolution: Amazon.co.uk: Graur D ... Fundamentals of Molecular Evolution, 2nd Edition FUNDAMENTALS OF MOLECULAR EVOLUTION Fundamentals of molecular evolution : Li, Wen-Hsiung ... Molecular evolution Wikipedia

Fundamentals of molecular evolution

Massive numbers of palm civets were culled to remove sources for the reemergence of severe acute respiratory syndrome (SARS) in Guangdong Province, China, in January 2004, following SARS coronavirus detection in market animals. The virus was identified in all 91 palm civets and 15 raccoon dogs of animal market origin sampled prior to culling, but not in 1,107 palm civets later sampled at 25 farms, spread over 12 provinces, which were claimed to be the source of traded animals. Twenty-seven novel signature variation residues (SNVs) were identified on the spike gene and were analyzed for their phylogenetic relationships, based on 17 sequences obtained from animals in our study and from other published studies. Analysis indicated that the virus in palm civets at the live-animal market had evolved to infect humans. The evolutionary starting point was a prototype group consisting of three viral sequences of animal origin. Initially, seven SNV sites caused six amino acid changes, at positions 147, 228, 240, 479, 821, and 1080 of the spike protein, to generate low-pathogenicity viruses. One of these was linked to the first SARS patient in the 2003-2004 period. A further 14 SNVs caused 11 amino acid residue changes, at positions 360, 462, 472, 480, 487, 609, 613, 665, 743, 765, and 1163. The resulting high-pathogenicity groups were responsible for infections during the so-called early-phase epidemic of 2003. Finally, the remaining six SNVs caused four amino acid changes, at positions 227, 244, 344, and 778, which resulted in the group of viruses responsible for the global epidemic.

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Molecular Evolution Analysis and Geographic Investigation of Severe Acute Respiratory Syndrome Coronavirus-Like Virus in Palm Civets at an Animal Market and on Farms

Impact of the coronavirus (COVID-19) pandemic on scientific research and implications for clinical academic training - A review.

Severe acute respiratory syndrome (SARS) was the first natural disaster that challenged the Chinese people at the beginning of the twenty-first century. It was caused by a novel animal coronavirus, never recognized or characterized before. This SARS coronavirus (SARS-CoV) exploited opportunities provided by 'wet markets' in southern China to adapt to the palm civet and human. Under the positive selection pressure of human host, certain mutated lineages of the virus became readily transmissible between humans and thus caused the epidemic of 2002-2003. This review will provide first-hand information, particularly from Guangdong, China, about the initial epidemiology, the identification of the aetiological agent of the disease, the molecular evolution study of the virus, the finding of SARS-like CoV in horseshoe bats and the mechanistic analysis for the cross-host tropism transition. The substantial scientific contributions made by the Chinese scientists towards understanding the virus and the disease will be emphasized. Along with the description of the scientific discoveries and analyses, the significant impact of these researches upon the public health measurement or regulations will be highlighted. It is aimed to appreciate the concerted and coordinated global response that controlled SARS within a short period of time as well as the research strategy and methodology developed along with this process, which can be applied in response to other public health challenges, particularly the future emerging/re-merging infectious diseases.

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SARS molecular epidemiology: a Chinese fairy tale of controlling an emerging zoonotic disease in the genomics era

Since DNA sequencing techniques first became available almost 30 years ago, the amount of nucleic acid sequence data has increased enormously. Phylogenetics, which is widely applied to compare and analyze such data, is particularly useful for the analysis of genes from rapidly evolving viruses. It has been used extensively to describe the molecular epidemiology and transmission of the human immunodeficiency virus (HIV), the origins and subsequent evolution of the severe acute respiratory syndrome (SARS)-associated coronavirus (SCoV), and, more recently, the evolving epidemiology of avian influenza as well as seasonal and pandemic human influenza viruses.Recent advances in phylogenetic methods can infer more in-depth information about the patterns of virus emergence, adding to the conventional approaches in viral epidemiology. Examples of this information include estimations (with confidence limits) of the actual time of the origin of a new viral strain or its emergence in a new species, viral recombinatio...

Use of phylogenetics in the molecular epidemiology and evolutionary studies of viral infections

Complete genome sequences of the SARS-CoV: the BJ Group (Isolates BJ01-BJ04).

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Complete genome sequences of the SARS-CoV: the BJ Group (Isolates BJ01-BJ04).