Related Experiment Video
Updated: Feb 9, 2026
10:37
Cultivation Methods of Spirochetes from Borrelia burgdorferi Sensu Lato Complex and Relapsing Fever Borrelia
Published on: November 25, 2022
6.9K
Reclassification of Borrelia spp. Isolated in South Korea Using Multilocus Sequence Typing
Kyung-Hee Park1, Yeon-Joo Choi1,2, Jeoungyeon Kim1,2
1Department of Microbiology, College of Medicine, Konkuk University.
Japanese Journal of Infectious Diseases
|June 1, 2018
Summary
This study used multilocus sequence typing (MLST) to identify Borrelia bacteria in South Korea. It reports the first identification of Borrelia yangtzensis in the region, detailing bacterial relationships.
Area of Science:
- Microbiology
- Genetics
- Epidemiology
Background:
- Borrelia species are tick-borne pathogens with diverse hosts and vectors.
- Understanding the genetic diversity of Borrelia is crucial for disease control.
- Previous studies have not fully characterized Borrelia in South Korea.
Purpose of the Study:
- To analyze the genetic relationships between Borrelia, hosts, and vectors in South Korea.
- To identify Borrelia species present in South Korea using molecular methods.
- To report the first identification of Borrelia yangtzensis in South Korea via MLST.
Main Methods:
- Multilocus sequence typing (MLST) was employed.
- Three intergenic genes (16S rRNA, ospA, and 5S-23S IGS) were analyzed.
- Borrelia isolates from South Korea were characterized.
Main Results:
- The study identified four Borrelia species: B. afzelii, B. yangtzensis, B. garinii, and B. bavariensis.
- Borrelia yangtzensis was identified for the first time in South Korea using MLST.
- The molecular background and host-vector associations were analyzed.
Conclusions:
- MLST is effective for differentiating Borrelia species in South Korea.
- The presence of B. yangtzensis highlights the need for further surveillance.
- This research provides a foundation for understanding Borrelia epidemiology in the region.
Related Concept Videos
01:23Types of RNA
73.0K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
73.0K
02:02Cis-regulatory Sequences
11.9K
Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
11.9K
01:29Sequences
283
Sequences are fundamental mathematical objects consisting of ordered lists of numbers that follow a specific rule or pattern. Sequences are critical in various mathematical concepts, including calculus, series, and number theory. They can model real-world phenomena such as population growth, financial investments, and physical processes like the diminishing height of a bouncing ball.Each number in a sequence is referred to as a term. Typically, the terms are denoted as a1, a2, a3,…, where...
283
01:57Sanger Sequencing
774.9K
DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
774.9K
01:30Arithmetic Sequences
240
An arithmetic sequence is a structured arrangement of numbers where each term is derived by adding a constant value, known as the common difference, to the previous term. This consistent pattern allows for the efficient computation of any term within the sequence as well as the cumulative sum of multiple terms. The formula for finding the nth term of an arithmetic sequence is:Here, aₙ represents the nth term of the sequence, a is the first term, d is the common difference, and n is the...
240
01:30Geometric Sequences
288
In systems where values diminish by a constant proportion at each stage, the resulting sequence follows a geometric structure. Each new value in the sequence is obtained by applying a fixed multiplier to the preceding term. This regular, proportional decline type is often used to represent processes involving gradual loss, such as energy dissipation or reduction in amplitude over time.When analyzing the total effect of such a process across unlimited iterations, the series of values is referred...
288