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Metatranscriptomics reveals temperature-driven functional changes in microbiome impacting cheese maturation rate

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep21871· OSTI ID:1258637
 [1];  [1];  [1];  [2];  [1]
  1. Univ. of Naples Federico II (Italy)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)
Traditional cheeses harbour complex microbial consortia that play an important role in shaping typical sensorial properties. However, the microbial metabolism is considered difficult to control. Microbial community succession and the related gene expression were analysed during ripening of a traditional Italian cheese, identifying parameters that could be modified to accelerate ripening. Afterwards, we modulated ripening conditions and observed consistent changes in microbial community structure and function. We provide concrete evidence of the essential contribution of non-starter lactic acid bacteria in ripening-related activities. An increase in the ripening temperature promoted the expression of genes related to proteolysis, lipolysis and amino acid/lipid catabolism and significantly increases the cheese maturation rate. Moreover, temperature-promoted microbial metabolisms were consistent with the metabolomic profiles of proteins and volatile organic compounds in the cheese. Finally, the results clearly indicate how processing-driven microbiome responses can be modulated in order to optimize production efficiency and product quality.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
OSTI ID:
1258637
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Vol. 6; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cream Cheese-Derived Lactococcus chungangensis CAU 28 Modulates the Gut Microbiota and Alleviates Atopic Dermatitis in BALB/c Mice journal January 2019
Metagenomics insights into food fermentations journal October 2016
Carrot Juice Fermentations as Man-Made Microbial Ecosystems Dominated by Lactic Acid Bacteria journal April 2018
High Throughput Sequencing Technologies as a New Toolbox for Deep Analysis, Characterization and Potentially Authentication of Protection Designation of Origin Cheeses? journal November 2019
Unraveling Core Functional Microbiota in Traditional Solid-State Fermentation by High-Throughput Amplicons and Metatranscriptomics Sequencing journal July 2017
A Review on the Applications of Next Generation Sequencing Technologies as Applied to Food-Related Microbiome Studies journal September 2017
Sequencing of the Cheese Microbiome and Its Relevance to Industry journal May 2018
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Raw Material Regulates Flavor Formation via Driving Microbiota in Chinese Liquor Fermentation journal July 2019
Transcription Profiling Reveals Cooperative Metabolic Interactions in a Microbial Cheese-Ripening Community Composed of Debaryomyces hansenii, Brevibacterium aurantiacum, and Hafnia alvei journal August 2019
Capturing the genetic makeup of the active microbiome in situ journal June 2017
Consistent microbial dynamics and functional community patterns derived from first principles journal September 2018
Cheesomics: the future pathway to understanding cheese flavour and quality journal October 2018
Metagenome-based surveillance and diagnostic approaches to studying the microbial ecology of food production and processing environments: Metagenome-based surveillance and diagnostic approaches journal September 2017
Microbiota of an Italian Grana-Like Cheese during Manufacture and Ripening, Unraveled by 16S rRNA-Based Approaches journal April 2016
How to normalize metatranscriptomic count data for differential expression analysis journal January 2017

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