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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Med+Virol 2021 ; 93 (7): 4382-4391 Nephropedia Template TP
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Comprehensive comparative genomic and microsatellite analysis of SARS, MERS, BAT-SARS, and COVID-19 coronaviruses #MMPMID33782990
Rehman HA; Ramzan F; Basharat Z; Shakeel M; Khan MUG; Khan IA
J Med Virol 2021[Jul]; 93 (7): 4382-4391 PMID33782990show ga
The coronavirus disease 2019 (COVID-19) pandemic has spread around the globe very rapidly. Previously, the evolution pattern and similarity among the COVID-19 causative organism severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and causative organisms of other similar infections have been determined using a single type of genetic marker in different studies. Herein, the SARS-CoV-2 and related beta coronaviruses Middle East respiratory syndrome coronavirus (MERS-CoV), SARS-CoV, bat coronavirus (BAT-CoV) were comprehensively analyzed using a custom-built pipeline that employed phylogenetic approaches based on multiple types of genetic markers including the whole genome sequences, mutations in nucleotide sequences, mutations in protein sequences, and microsatellites. The whole-genome sequence-based phylogeny revealed that the strains of SARS-CoV-2 are more similar to the BAT-CoV strains. The mutational analysis showed that on average MERS-CoV and BAT-CoV genomes differed at 134.21 and 136.72 sites, respectively, whereas the SARS-CoV genome differed at 26.64 sites from the reference genome of SARS-CoV-2. Furthermore, the microsatellite analysis highlighted a relatively higher number of average microsatellites for MERS-CoV and SARS-CoV-2 (106.8 and 107, respectively), and a lower number for SARS-CoV and BAT-CoV (95.8 and 98.5, respectively). Collectively, the analysis of multiple genetic markers of selected beta viral genomes revealed that the newly born SARS-COV-2 is closely related to BAT-CoV, whereas, MERS-CoV is more distinct from the SARS-CoV-2 than BAT-CoV and SARS-CoV.
|Alphacoronavirus/*genetics[MESH]
|Animals[MESH]
|Base Sequence/genetics[MESH]
|Chiroptera/virology[MESH]
|DNA Mutational Analysis[MESH]
|Genetic Markers/genetics[MESH]
|Genetic Variation/genetics[MESH]
|Genome, Viral/*genetics[MESH]
|Humans[MESH]
|Microsatellite Repeats/*genetics[MESH]
|Middle East Respiratory Syndrome Coronavirus/*genetics[MESH]