The effection of Lactobacillus plantarum PG3-1 bioflm on the tolerance and gene expression

ZHANG Guo-li1;YANG Chen-wen1;YU Xi1;CHEN An-jun1; LIU Shu-liang1;2;AO Xiao-lin1*

doi:10.13995/j.cnki.11-1802/ts.013698

Food and Fermentation Industries >

2018 , Vol. 44 >Issue 4: 29 - 34

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.013698

Food and Fermentation Industries

The effection of Lactobacillus plantarum PG3-1 bioflm on the tolerance and gene expression

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1(College of Food Science ;Sichuan Agricultural University; Ya 'an 62500; China) 2(Research Institute of Food Processing and Security ;Sichuan Agricultural University; Ya 'an 62500; China)

Online published: 2018-05-25

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Abstract

This artcle had studied the effection ofLactobacillus?plantarumPG3-1 biofilm formation on the expression of stress gene and tolerance. Quantitative real-time PCR and plate count are used for the tolerance and gene expression. The results show that matureLactobacillus?plantarumPG3-1 biofilm had stronger tolerance to temperature;acid-base and salinity.The Stress behavior such as heat stress; salt stress occured in the process ofLactobacillus?plantarumPG3-1 biofilm formation;and the relative expression ofGroEL;DanK gene was 3.22 and 1.53.

Key words： Lactobacillus?plantarum; biofilm; tolerance; quantitative real-time PCR

Cite this article

ZHANG Guo-li1;YANG Chen-wen1;YU Xi1;CHEN An-jun1; LIU Shu-liang1;2;AO Xiao-lin1* . The effection of Lactobacillus plantarum PG3-1 bioflm on the tolerance and gene expression[J]. Food and Fermentation Industries, 2018 , 44(4) : 29 -34 . DOI: 10.13995/j.cnki.11-1802/ts.013698

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