Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making

Franca Rossi; Fausto Gardini; Lucia Rizzotti; Federica La Gioia; Giulia Tabanelli; Sandra Torriani

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Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making

机译：在干酪制备相关条件下嗜热链球菌PRI60对组氨酸脱羧酶基因（hdcA）转录和组胺产生的定量分析

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This study evaluated the influence of parameters relevant for cheese making on histamine formation by Streptococcus thermophilus . Strains possessing a histidine decarboxylase ( hdcA ) gene represented 6% of the dairy isolates screened. The most histaminogenic, S. thermophilus PRI60, exhibited in skim milk a high basal level of expression of hdcA , upregulation in the presence of free histidine and salt, and repression after thermization. HdcA activity persisted in cell extracts, indicating that histamine might accumulate after cell lysis in cheese.

机译：本研究评估了与干酪制备有关的参数对嗜热链球菌形成组胺的影响。拥有组氨酸脱羧酶（hdcA）基因的菌株占所筛选乳制品分离物的6％。最具组织原性的嗜热链球菌PRI60在脱脂乳中表现出高水平的hdcA基础表达水平，在游离组氨酸和盐存在下的上调表达以及热化后的抑制作用。 HdcA活性在细胞提取物中持续存在，表明组胺在奶酪中裂解后可能积累。

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《Applied Microbiology》 |2011年第8期|共6页
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Franca Rossi; Fausto Gardini; Lucia Rizzotti; Federica La Gioia; Giulia Tabanelli; Sandra Torriani;
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1. Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making [J] . Franca Rossi, Fausto Gardini, Lucia Rizzotti, Applied and Environmental Microbiology . 2011,第8期

机译：在干酪制备相关条件下嗜热链球菌PRI60对组氨酸脱羧酶基因（hdcA）转录和组胺产生的定量分析
2. Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making [J] . Franca Rossi, Fausto Gardini, Lucia Rizzotti, Applied and Environmental Microbiology . 2011,第8期

机译：在干酪制备相关条件下嗜热链球菌PRI60对组氨酸脱羧酶基因（hdcA）转录和组胺产生的定量分析
3. Sequencing and Transcriptional Analysis of the Streptococcus thermophilus Histamine Biosynthesis Gene Cluster: Factors That Affect Differential hdcA Expression [J] . Marina Calles-Enríquez, Benjamin Hjort Eriksen, Pia Skov Andersen, Applied and Environmental Microbiology . 2010,第18期

机译：嗜热链球菌组胺生物合成基因簇的测序和转录分析：影响差异hdcA表达的因素。
4. Analysis of gene expression as marker of relevant metabolisms, in three Acidithiobacillus ferrooxidans strains, in different growth conditions [C] . Gonzalo Araya, Mauricio Acosta, Cecilia Demergasso International Biohydrometallurgy Symposium . 2013

机译：分析基因表达作为相关代谢的标志物，三种酸酐铁氧化物菌株，在不同的生长条件下
5. ThegalM (mutarotase) gene of Streptococcus thermophilus F410: Partial sequencing, transcriptional analysis, relationship to downstream genes, and possible roles in explaining the galactose phenotypes of S. thermophilus strains. [D] . Zirnstein, Gerald Wayne. 1996

机译：嗜热链球菌F410的ThegalM（突变酶）基因：部分测序，转录分析，与下游基因的关系以及在解释嗜热链球菌菌株的半乳糖表型中的可能作用。
6. Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making [O] . Franca Rossi, Fausto Gardini, Lucia Rizzotti, 2011

机译：在干酪制备相关条件下嗜热链球菌PRI60对组氨酸脱羧酶基因（hdcA）转录和组胺产生的定量分析
7. Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making▿† [O] . Rossi, Franca, Gardini, Fausto, Rizzotti, Lucia, 2011

机译：嗜热链球菌PRI60在与奶酪制作有关的条件下对组氨酸脱羧酶基因（hdcA）转录和组胺产生的定量分析▿†
8. Transcriptional Analysis of the bgIP Gene from Streptococcus mutans [R] . Cote, C. K. , Honeyman, A. L. 2006

机译：变形链球菌bgIp基因的转录分析

Quantitative Analysis of Histidine Decarboxylase Gene (hdcA) Transcription and Histamine Production by Streptococcus thermophilus PRI60 under Conditions Relevant to Cheese Making

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