Journal Highlight: Functional proteomics within the genus Lactobacillus

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  • Published: Apr 25, 2016
  • Author: spectroscopyNOW
  • Channels: Proteomics
thumbnail image: Journal Highlight: Functional proteomics within the genus <em>Lactobacillus</em>
This review focuses on the novel and comprehensive knowledge of functional proteomics and metaproteomics of Lactobacillus species, providing a large list of proteomic case studies to illustrate the adaptability of the main metabolic pathways to various life conditions.

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Functional proteomics within the genus Lactobacillus

Proteomics, 2016, 16, 946-962
Maria De Angelis, Maria Calasso, Noemi Cavallo, Raffaella Di Cagno and Marco Gobbetti

Abstract: Lactobacillus are mainly used for the manufacture of fermented dairy, sourdough, meat, and vegetable foods or used as probiotics. Under optimal processing conditions, Lactobacillus strains contribute to food functionality through their enzyme portfolio and the release of metabolites. An extensive genomic diversity analysis was conducted to elucidate the core features of the genus Lactobacillus, and to provide a better comprehension of niche adaptation of the strains. However, proteomics is an indispensable "omics" science to elucidate the proteome diversity, and the mechanisms of regulation and adaptation of Lactobacillus strains. This review focuses on the novel and comprehensive knowledge of functional proteomics and metaproteomics of Lactobacillus species. A large list of proteomic case studies of different Lactobacillus species is provided to illustrate the adaptability of the main metabolic pathways (e.g., carbohydrate transport and metabolism, pyruvate metabolism, proteolytic system, amino acid metabolism, and protein synthesis) to various life conditions. These investigations have highlighted that lactobacilli modulate the level of a complex panel of proteins to growth/survive in different ecological niches. In addition to the general regulation and stress response, specific metabolic pathways can be switched on and off, modifying the behavior of the strains.

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