Detection of Treponema socranskii Associated with Human Periodontitis by PCR

Detection of Treponema socranskii Associated with Human Periodontitis by PCR
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PCR检测与人类牙周炎相关的索氏密螺旋体

DOI:
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发表时间:
1999
影响因子:
2.6
通讯作者:
T. Nakase
T. Nakase
中科院分区:
医学4区
文献类型:
--
作者:
M. Sakamoto;Y. Takeuchi;M. Umeda;I. Ishikawa;Y. Benno;T. Nakase

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采用PCR技术检测和鉴定与牙周炎相关的索氏密螺旋体。针对其16S rRNA基因的可变区域设计了一种物种特异性的正向引物,并与保守的反向引物结合使用。对该引物对44株口腔细菌进行了特异性检测。使用连续稀释的T. socranskii细胞测定灵敏度。扩增产物来自所有检测的索克兰斯氏梭菌菌株,但没有来自与牙周病相关的其他口腔细菌。PCR检测限为5个socranskii细胞/ PCR。应用聚合酶链反应(PCR)方法在牙周炎患者龈下菌斑和唾液中检测到socranskii。
A PCR technique was used to detect and identify Treponema socranskii associated with periodontitis. A species‐specific forward primer was designed for a variable region within its 16S rRNA gene and was used in conjunction with a conserved reverse primer. This primer pair was tested for specificity against 44 oral bacterial strains. Sensitivity was determined using a serial dilution of T. socranskii cells. Amplification products were obtained from all T. socranskii strains tested, but not from other oral bacteria associated with periodontal disease. The detection limit of PCR was 5 T. socranskii cells per PCR. T. socranskii was detected by PCR in subgingival plaque and saliva samples from patients with periodontitis.
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发表时间: 1997
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影响因子: --
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