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Rapid Identification of Officinal Akebiae Caulis and Its Toxic Adulterant Aristolochiae Manshuriensis Caulis (Aristolochia manshuriensis) by Loop-Mediated Isothermal Amplification.


ABSTRACT: Mu-tong (Akebiae Caulis) is a traditional Chinese medicine commonly used as a diuretic and antiphlogistic. A common adulterant of Mu-tong is Guan-mu-tong (Aristolochiae Manshuriensis Caulis), which is derived from the stem of Aristolochia manshuriensis Komarov, and contains carcinogenic aristolochic acids. We used an alternative technique, loop-mediated isothermal amplification (LAMP), to differentiate Mu-tong from Guan-mu-tong because LAMP is quick, highly sensitive, and specific. We designed a set of four common primers (G-F3, G-B3, G-FIP, and G-BIP) and a loop primer (G-LB) for LAMP based on the internal transcribed spacer 2 sequence of Ar. manshuriensis. We successfully amplified the LAMP assays and visual detection occurred within 60 min at isothermal conditions of 65°C. The LAMP reaction exhibited a tenfold increase in detection (4.22 pg/?l DNA) over conventional polymerase chain reaction demonstrating that LAMP is a useful technique to detect Guan-mu-tong. We conclude that the LAMP technique is a potentially valuable safety control method for simple and efficient discrimination of Mu-tong from its adulterant Guan-mu-tong.

SUBMITTER: Wu L 

PROVIDER: S-EPMC4913086 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Rapid Identification of Officinal Akebiae Caulis and Its Toxic Adulterant Aristolochiae Manshuriensis Caulis (Aristolochia manshuriensis) by Loop-Mediated Isothermal Amplification.

Wu Lan L   Wang Bo B   Zhao Mingming M   Liu Wei W   Zhang Peng P   Shi Yuhua Y   Xiong Chao C   Wang Ping P   Sun Wei W   Chen Shilin S  

Frontiers in plant science 20160620


Mu-tong (Akebiae Caulis) is a traditional Chinese medicine commonly used as a diuretic and antiphlogistic. A common adulterant of Mu-tong is Guan-mu-tong (Aristolochiae Manshuriensis Caulis), which is derived from the stem of Aristolochia manshuriensis Komarov, and contains carcinogenic aristolochic acids. We used an alternative technique, loop-mediated isothermal amplification (LAMP), to differentiate Mu-tong from Guan-mu-tong because LAMP is quick, highly sensitive, and specific. We designed a  ...[more]

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