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Glycerophosphodiester Phosphodiesterase Identified as Non-Reliable Serological Marker for Borrelia miyamotoi Disease.


ABSTRACT: The relapsing fever group Borrelia miyamotoi is an emerging tick-borne pathogen. Diagnosis of infection is currently mainly based on serological methods detecting antibodies against B. miyamotoi glycerophosphodiester phosphodiesterase (GlpQ). Here, we scrutinized the reliability of GlpQ as a diagnostic marker and compared the seroprevalence in different study populations and by applying various immunoblotting methods. Antibodies were detected in the sera of 7/53 hunters and in 1/11 sera of Lyme neuroborreliosis patients. Furthermore, 17/74 sera of persons with high concentrations of anti-Borrelia burgdorferi sensu lato (?-Bbsl) antibodies reacted strongly with B. miyamotoi GlpQ in immunoblots. The B. miyamotoi GlpQ seroprevalence was 7/50 in ?-Bbsl negative persons. In healthy blood donors from commercial suppliers and from the Austrian Red Cross, seroprevalences were 5/14 and 10/35, respectively. Strikingly, two B. miyamotoi PCR-positive cases from Austria had negative GlpQ serology, indicating poor sensitivity. Finally, when we analyzed sera of dogs, we found ?-B. miyamotoi GlpQ antibody seroprevalence in tick-free dogs (n = 10) and in tick-exposed dogs (n = 19) with 2/10 and 8/19, respectively. Thus, our results indicate that GlpQ-based B. miyamotoi serology holds neither specificity nor sensitivity.

SUBMITTER: Reiter M 

PROVIDER: S-EPMC7760085 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Glycerophosphodiester Phosphodiesterase Identified as Non-Reliable Serological Marker for <i>Borrelia miyamotoi</i> Disease.

Reiter Michael M   Stelzer Theresa T   Schötta Anna M AM   Markowicz Mateusz M   Leschnik Michael M   Harsch Anna A   Reiß Edda E   Kneusel Richard E RE   Stockinger Hannes H   Stanek Gerold G  

Microorganisms 20201124 12


The relapsing fever group <i>Borrelia miyamotoi</i> is an emerging tick-borne pathogen. Diagnosis of infection is currently mainly based on serological methods detecting antibodies against <i>B. miyamotoi</i> glycerophosphodiester phosphodiesterase (GlpQ). Here, we scrutinized the reliability of GlpQ as a diagnostic marker and compared the seroprevalence in different study populations and by applying various immunoblotting methods. Antibodies were detected in the sera of 7/53 hunters and in 1/11  ...[more]

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