Real-time polymerase chain reaction for quantitative detection of histamine-producing bacteria:: Use in cheese production

被引：77

作者：

Fernandez, M. ^{[1
]}

del Rio, B. ^{[1
]}

Linares, D. M. ^{[1
]}

Martin, M. C. ^{[1
]}

Alvarez, M. A. ^{[1
]}

机构：

[1] CSIC, IPLA, Villaviciosa, Asturias, Spain

来源：

JOURNAL OF DAIRY SCIENCE | 2006年 / 89卷 / 10期

关键词：

histamine detection; lactic acid bacteria; cheese; real-time quantitative polymerase chain reaction;

D O I：

10.3168/jds.S0022-0302(06)72417-1

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Biogenic amines are toxic substances that appear in foods and beverages as a result of AA decarboxylation. The enzyme histidine decarboxylase catalyzes the decarboxylation of histidine to histamine, the biogenic amine most frequently involved in food poisoning. The aim of the present work was to develop a real-time quantitative PCR assay for the direct detection and quantification of histamine-producing strains in milk and cheese. A set of primers was designed, based on the histidine decarboxylase gene sequence of different gram-positive bacteria. The results show the proposed procedure to be a rapid (total processing time < 2 h), specific and highly sensitive technique for detecting potential histamine-producing strains. Chromatographic methods (HPLC) verified the capacity of real-time quantitative PCR to correctly quantify histamine accumulation.

引用

页码：3763 / 3769

页数：7