Bibliographic Details
| Title: |
Regulatory mechanisms of acetic acid, ethanol and high temperature tolerances of acetic acid bacteria during vinegar production. |
| Authors: |
Hua, Shengkai1 (AUTHOR), Wang, Yuqin1 (AUTHOR) yqwang@just.edu.cn, Wang, Leyi1 (AUTHOR), Zhou, Qinxuan1 (AUTHOR), Li, Zhitao1 (AUTHOR), Liu, Peng1 (AUTHOR), Wang, Ke1 (AUTHOR), Zhu, Yuanyuan1 (AUTHOR), Han, Dong1 (AUTHOR), Yu, Yongjian1 (AUTHOR) yuyj@just.edu.cn |
| Source: |
Microbial Cell Factories. 11/30/2024, Vol. 23 Issue 1, p1-17. 17p. |
| Subject Terms: |
*ACETOBACTER, *ACETIC acid, *FOOD fermentation, *MOLECULAR chaperones, *HIGH temperatures |
| Abstract: |
Acetic acid bacteria (AAB) play a pivotal role in the food fermentation industry, especially in vinegar production, due to their ability to partially oxidize alcohols to acetic acid. However, economic bioproduction using AAB is challenged by harsh environments during acetic acid fermentation, among which initial ethanol pressure, subsequent acetic acid pressure, and consistently high temperatures are common experiences. Understanding the stress-responsive mechanisms is essential to developing robust AAB strains. Here, we review recent progress in mechanisms underlying AAB stress response, including changes in cell membrane composition, increased activity of membrane-bound enzymes, activation of efflux systems, and the upregulation of stress response molecular chaperones. We also discuss the potential of advanced technologies, such as global transcription machinery engineering (gTME) and Design-Build-Test-Learn (DBTL) approach, to enhance the stress tolerance of AAB, aiming to improve vinegar production. [ABSTRACT FROM AUTHOR] |
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