Description Spirochete bacterium that causes Lyme borreliosis (Lyme disease)
Structure Borrelia burgdorferi is a Gram-negative, highly motile spirochete belonging to the Borrelia burgdorferi sensu lato complex and the family Spirochaetaceae. The bacterium possesses a distinctive helical morphology and periplasmic flagella that enable corkscrew-like movement through host tissues and extracellular matrices. Borrelia burgdorferi is transmitted primarily through the bite of infected Ixodes ticks, including Ixodes scapularis and Ixodes pacificus in North America. The organism is maintained in nature through complex transmission cycles involving ticks and reservoir hosts such as rodents, birds, and other small mammals. Following inoculation into the skin, B. burgdorferi can disseminate through the bloodstream and lymphatic system to multiple organs, including the joints, heart, skin, and nervous system. It is the principal causative agent of Lyme disease in North America and one of the most extensively studied tick-borne bacterial pathogens.
Diagnosis The diagnosis of Borrelia burgdorferi infection is performed through a combination of clinical assessment, serological testing, and molecular methods. Laboratory diagnosis typically follows a two-tier testing strategy consisting of an initial ELISA or immunoassay followed by confirmatory immunoblot testing when appropriate. Detection of Borrelia-specific IgM and IgG antibodies provides evidence of infection, although antibody responses may not be detectable during the earliest stages of disease. Polymerase chain reaction (PCR) assays may be used to detect Borrelia DNA in synovial fluid, skin biopsies, cerebrospinal fluid, and other clinical specimens. Clinical findings, exposure history, and laboratory results are interpreted together because no single diagnostic test is sufficient in all stages of disease. Early diagnosis is important because prompt antimicrobial treatment can prevent progression to disseminated infection.
Symptoms Borrelia burgdorferi infection typically begins with localized Lyme disease following the bite of an infected tick. The most characteristic early manifestation is erythema migrans, an expanding skin lesion that develops days to weeks after exposure and may be accompanied by fever, fatigue, headache, muscle aches, and joint pain. If untreated, the infection may disseminate and involve multiple organ systems. Neurological manifestations can include meningitis, facial nerve palsy, radiculoneuritis, and peripheral neuropathy. Cardiac involvement may result in Lyme carditis with conduction abnormalities and arrhythmias. Late-stage disease commonly presents with intermittent or persistent arthritis, particularly affecting large joints such as the knee. Some patients may experience prolonged fatigue, musculoskeletal discomfort, and cognitive symptoms following treatment, although the mechanisms underlying these persistent symptoms remain an area of ongoing investigation.
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Frequently Asked Questions
What is the primary application of Borrelia burgdorferi IgG Control Serum BC121G?
Borrelia burgdorferi IgG Control Serum BC121G is primarily used as a control serum in ELISA assays.
Is the Borrelia burgdorferi IgG Control Serum BC121G ready to use directly in assays?
Yes, this control serum is provided ready-to-use and pre-diluted for SERION ELISA classic and SERION ELISA antigen assays.
What is the recommended storage condition for the Borrelia burgdorferi IgG Control Serum BC121G?
The control serum should be stored at 2-8°C to maintain its stability.
Which species does the Borrelia burgdorferi IgG Control Serum BC121G specifically react with?
This control serum is reactive specifically to Borrelia burgdorferi, the bacterial species associated with Lyme disease.
What is the assay type compatible with Borrelia burgdorferi IgG Control Serum BC121G?
The serum is compatible with indirect and quantitative ELISA assay types.
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Published literature highly relevant to the biological target of this product and referencing this antibody or clone are retrieved from the PubMed database provided by the United States National Library of Medicine at the National Institutes of Health.
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