相关实验视频

Updated: Apr 13, 2026

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Multiplex Detection of Bacteria in Complex Clinical and Environmental Samples using Oligonucleotide-coupled Fluorescent Microspheres

Published on: October 23, 2011

建立和描述基因组DNA参考材料,用于检测B组链球菌

Chengxiang Chu^1,2, Zhongqiang Huang³, Xiaoyu Fan³

¹Department of Quality Control Material R&D, Shanghai Center for Clinical Laboratory, Shanghai, 200126, China.

Analytical and bioanalytical chemistry

|November 19, 2025

概括

为了准确的分子检测,开发了一种新的B组链球菌 (GBS) DNA参考材料. 这一标准揭示了商业GBS测试中的不准确性,强调了需要可靠的诊断工具的需要.

科学领域:

微生物学微生物学
分子诊断学分子诊断
生物技术是生物技术.

背景情况:

乙组链球菌 (GBS) 对母亲和新生儿的健康构成重大风险.
准确的GBS检测对于有效的临床管理至关重要.
分子测试需要可靠的参考标准来验证.

研究的目的:

开发和认证B组链球菌的DNA参考材料 (RM).
评估商业GBS检测套件的性能,使用开发的RM.
为了提高GBS核酸检测的准确性和可靠性.

主要方法:

从GBS参考菌株ATCC® 13813TM中提取基因组DNA.
使用滴滴数字PCR (ddPCR) 量化GBS DNA RM.
针对RM认证和稳定性测试的多中心合作研究.
对商业GBS检测套件的分析性能进行评估.

主要成果:

成功开发了一个稳定和均的GBS DNA RM.
确定RM的认证值为 (7.53 ± 0.48) × 103副本/μL.
商业GBS套件未能始终满足其声称的检测极限.
临床验证证实了RM对于诊断应用的适用性.

结论:

开发的GBS DNA RM作为验证分子诊断试验的关键工具.
该RM发现了商业GBS检测套件的性能限制.
实施这种RM可以提高GBS核酸测试的准确性,减少误诊并改善患者的治疗结果.

关键词:

数字PCR是数字的PCR.总体支付系统 (GBS) 是一个.基因组 DNA DNA 的基因组.核酸检测检测核酸检测的方法参考材料参考材料是指参考材料.

更多相关视频

Detection of Bacteria Using Fluorogenic DNAzymes

Detection of Bacteria Using Fluorogenic DNAzymes

Published on: May 28, 2012

Genome-wide Gene Deletions in Streptococcus sanguinis by High Throughput PCR

Genome-wide Gene Deletions in Streptococcus sanguinis by High Throughput PCR

Published on: November 23, 2012

相关概念视频

Modern Molecular Taxonomy

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...