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Genotype distribution of Chinese Mycoplasma bovis isolates and their evolutionary relationship to strains from other countries
Journal article   Open access   Peer reviewed

Genotype distribution of Chinese Mycoplasma bovis isolates and their evolutionary relationship to strains from other countries

H. Menghwar, C. He, H. Zhang, G. Zhao, X. Zhu, F.A. Khan, M. Faisal, M.A. Rasheed, M. Zubair, A.M. Memon, …
Microbial Pathogenesis, Vol.111, pp.108-117
2017
DOI: https://doi.org/10.1016/j.micpath.2017.08.029
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Abstract

This study was undertaken to determine the genotypic distribution of Chinese M. bovis strains and their similarity to isolates from other countries. Two multilocus sequence typing (MLST) schemes (MLST-1 and MLST-2) and pulsed field gel electrophoresis (PFGE) were used to compare 44 Chinese strains and the M. bovis type strain PG45. The results showed a high genetic homogeneity of Chinese isolates; 43 of 44 (97.7%) Chinese isolates were identified as ST-10 and as ST-34 by MLST-1, while for MLST-2 42 of 44 (95.5%) were identified as ST-10 with the two remaining isolates of ST-32 and ST43. PFGE clustered 42 of 44 (95.5%) of the Chinese isolates into PT-I. The overall agreement rate between the three typing methods was 97.8% (95% CI:86.8–99.9%). The type strain PG45 was identified as a unique type by all three methods. When the MLST-2 scheme was further used to analyze 16 isolates of Australian and Israeli origin ST-10 was more dominant among Australian isolates (7/8), compared with those from Israel (3/8). The evolutionary relationship of the 60 isolates typed in this study assessed together with 206 additional isolates retrieved from pubmlst/mbovis database analyzed by geoBURST Minimum spanning tree (MST) confirmed that the Chinese, Israeli and Australian M. bovis isolates typed in this study that were predominantly ST-10, were clustered in CC3 with isolates originating from the USA. Our results suggest that ST-10 is an emerging clone of M. bovis population. We hypothesized that the widespread distribution of this type is a result of global livestock movements. These findings will help further the understanding of the global evolution of M. bovis and development of novel vaccines against M. bovis.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
1 Clinical & Life Sciences
1.248 Sexually Transmitted Infections
1.248.1317 Mycoplasma Infections
Web Of Science research areas
Immunology
Microbiology
ESI research areas
Immunology
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