Advances in Genetic Tools and Their Application in Streptococcus thermophilus

Author:

Zhao Ruiting12,Chen Zouquan12,Liang Jie12,Dou Jiaxin12,Guo Fangyu12,Xu Zhenshang12,Wang Ting12

Affiliation:

1. State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, China

2. School of Bioengineering, Qilu University of Technology, Shandong Academy of Science, Jinan 250353, China

Abstract

Streptococcus thermophilus is a traditional starter. Nowadays, key aspects of S. thermophilus physiology have been revealed concerning the phenotypic traits relevant for industrial applications, including sugar metabolism, protein hydrolysis, and the production of important metabolites that affect the sensory properties of fermented foods as well as the original cooperation with Lactobacillus delbrueckii subsp. bulgaricus. Moreover, significant advances have been made in the synthetic biology toolbox of S. thermophilus based on technological advances in the genome and its sequencing and synthesis. In this review, we discuss the recently developed toolbox for S. thermophilus, including gene expression toolsets (promoters, terminators, plasmids, etc.) and genome editing tools. It can be used for both functionalized foods and therapeutic molecules for consumers. The availability of new molecular tools, including the genome editing toolbox, has facilitated the engineering of physiological studies of S. thermophilus and the generation of strains with improved technical and functional characteristics.

Funder

Key Research and Development Program of Shandong Province

Science and Technology Support Plan for Young People in Colleges and Universities of Shandong Province

Natural Science foundation of Shandong Province

Key innovation Project of Qilu University of Technology

Basic Research of Pilot Project for the Integration of Science, Education and Industry, Qilu University of Technology, Shandong Academy of Sciences

Publisher

MDPI AG

Subject

Plant Science,Health Professions (miscellaneous),Health (social science),Microbiology,Food Science

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