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Genome characterization of monkeypox cases detected in India: Identification of three sub clusters among A.2 lineage
Preprint
in En
| PREPRINT-BIORXIV
| ID: ppbiorxiv-507742
ABSTRACT
Since May 2022, Monkeypox, a zoonotic Orthopox DNA virus was reported in more than 102 countries indicating expansion of its geographic range. We analyzed the complete genomes sequences of Monkeypox cases from Kerala (n=5 travelled from UAE) and Delhi (n=5 no travel history), India confirmed during July to August 2022. All the retrieved MPXV sequences from India covering 90 to 99% genome belong to A.2 lineage of clade IIb. The A.2 MPXV lineage divided in three sub clusters; first cluster Kerala n=5, Delhi n=2 aligned with the USA-2022 ON674051.1; while second of Delhi n=3 aligned with USA-2022 ON675438.1 and third consists of the UK, USA and Thailand. Recent update in MPXV lineage designated all the five sequences from Kerala as A.2.1. In addition to known 16 single nucleotide polymorphisms (SNPs) along with 13 APOBEC3 cytosine deaminase activity determined specific lineage defining mutations in A.2 lineage, 25 additional APOBEC3 mutations were found in 10 reported sequences. The study emphasizes need of enhancing genomic surveillance to understand the mutation and its linkage.
cc_by_nc_nd
Full text:
1
Collection:
09-preprints
Database:
PREPRINT-BIORXIV
Type of study:
Prognostic_studies
Language:
En
Year:
2022
Document type:
Preprint