Abstract
Mycoplasma capricolum subsp. capricolum (Mcc) is an etiological agent of Contagious Agalactia (CA) in small ruminants and belongs to Mycoplasma mycoides cluster. Until today, six strains genomes and candidates of Mcc were sequenced in Germany, USA, France and China. The aim of the present study is to analyze the genomic sequence of Mcc MOR20 strain and to compare it with the other sequenced strains. Indeed, the genome sequence of Mcc MOR20 strain was obtained using Illumina NovaSeq 6000 platform. NGS sequencing reads were assembled de novo using CLC genomics v12 (Qiagen). The variant calling on MOR20 strain was conducted using SNIPPY tools. The phylogenomic analysis of Mcc MOR20 strain was performed using BuscoPhylo pipeline. Thus, the genome of Mcc MOR20 characterized by 960,401 bp and encoded for 820 protein-coding genes, 15 rRNA genes (5S, 16S, and 23S), 34 tRNA genes, and three ncRNA genes. In addition, Mcc MOR20 is genetically closer to Mcc isolate human case with percentage of 98.58 %. In addition, the Mcc MOR20 show a genomic relationship with Mccp clade, and they share the same must of potential virulence genes that were identified, including variable surface lipoproteins and metabolic enzymes. The results of this study could be of interest for contagious agalactia vaccine development and the conserved gene might be taken as candidate for new markers for Mcc diagnosis.
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