Results 1 to 10 of about 10,027 (216)

Effect of nitrogen, carbon sources and agitation speed on acetoin production of Bacillus subtilis SF4-3 [PDF]

Electronic Journal of Biotechnology, 2016
Background: Currently, microbial fermentation method has become the research hotspot for acetoin production. In our previous work, an acetoin-producing strain, Bacillus subtilis SF4-3, was isolated from Japanese traditional fermented food natto. However,
Yanjun Tian, Yixiao Fan, Jianjun Liu, Xiangying Zhao, Wei Chen   +4 more
exaly   +5 more sources

Mechanisms of Acetoin Toxicity and Adaptive Responses in an Acetoin-Producing Species, Lactococcus lactis

Applied and Environmental Microbiology, 2021
Acetoin, 3-hydroxyl,2-butanone, has diverse uses in chemical industry, agriculture, and dairy industries as a volatile compound that generates aromas. In bacteria, it can be produced in high amount by Lactococcus lactis when it grows under aerobic respiration.
Cesselin, Bénédicte, Henry, Céline, Gruss, Alexandra, Gloux, Karine, Gaudu, Philippe   +4 more
openaire   +5 more sources

Two-stage pH control strategy based on the pH preference of acetoin reductase regulates acetoin and 2,3-butanediol distribution in Bacillus subtilis. [PDF]

PLoS ONE, 2014
Acetoin reductase/2,3-butanediol dehydrogenase (AR/BDH), which catalyzes the interconversion between acetoin and 2,3-butanediol, plays an important role in distribution of the products pools.
Xian Zhang, Teng Bao, Zhiming Rao, Taowei Yang, Zhenghong Xu, Shangtian Yang, Huazhong Li   +6 more
doaj   +2 more sources

Metabolic Engineering of Zymomonas mobilis for Acetoin Production by Carbon Redistribution and Cofactor Balance

Fermentation, 2023
Biorefinery to produce value-added biochemicals offers a promising alternative to meet our sustainable energy and environmental goals. Acetoin is widely used in the food and cosmetic industries as taste and fragrance enhancer.
Weiwei Bao, Wei Shen, Qiqun Peng, Jun Du, Shihui Yang   +4 more
doaj   +2 more sources

Characterization and Regulation of the Acetolactate Synthase Genes Involved in Acetoin Biosynthesis in Acetobacter pasteurianus

Foods, 2021
Acetoin is an important aroma-active chemical in cereal vinegars. Acetobacter pasteurianus was reported to make a significant contribution to acetoin generation in cereal vinegars.
Jingyi Zhao, Zhe Meng, Xiaolong Ma, Shumei Zhao, Yang An, Zijun Xiao   +5 more
doaj   +2 more sources

Whole-Cell Biocatalytic Production of Acetoin with an aldC-Overexpressing Lactococcus lactis Using Soybean as Substrate

Foods, 2023
Douchi is a traditional Chinese fermented soybean product, in which acetoin is a key flavor substance. Here, the α-acetolactate decarboxylase gene aldC was cloned from Lactiplantibacillus (L.) plantarum and overexpressed in Lactococcus (L.) lactis NZ9000
Huajun Luo, Weihong Liu, Yiyong Luo, Zongcai Tu, Biqin Liu, Juan Yang   +5 more
doaj   +2 more sources

Metabolic Engineering of Escherichia coli for High-Level Production of (R)-Acetoin from Low-Cost Raw Materials

Microorganisms, 2023
Acetoin is an important four-carbon platform chemical with versatile applications. Optically pure (R)-acetoin is more valuable than the racemate as it can be applied in the asymmetric synthesis of optically active α-hydroxy ketone derivatives ...
Mengxue Diao, Xianrui Chen, Jing Li, Ya’nan Shi, Bo Yu, Zhilin Ma, Jianxiu Li, Nengzhong Xie   +7 more
doaj   +2 more sources

Genomic and Transcriptional Characteristics of Strain Rum-meliibacillus sp. TYF-LIM-RU47 with an Aptitude of Directly Producing Acetoin from Lignocellulose

Fermentation, 2022
Rummeliibacillus sp. TYF-LIM-RU47, isolated from the fermentation substrate of grain vinegar, could produce acetoin using a variety of carbon sources, including pentose, hexose and lignocellulose.
Guoyang Feng, Xiaojun Fan, Yanna Liang, Chen Li, Junde Xing, Yongji He   +5 more
doaj   +1 more source

Engineering central pathways for industrial-level (3R)-acetoin biosynthesis in Corynebacterium glutamicum

Microbial Cell Factories, 2020
Background Acetoin, especially the optically pure (3S)- or (3R)-enantiomer, is a high-value-added bio-based platform chemical and important potential pharmaceutical intermediate.
Lingxue Lu, Yufeng Mao, Mengyun Kou, Zhenzhen Cui, Biao Jin, Zhishuai Chang, Zhiwen Wang, Hongwu Ma, Tao Chen   +8 more
doaj   +1 more source

A Green Route for High-Yield Production of Tetramethylpyrazine From Non-Food Raw Materials

Frontiers in Bioengineering and Biotechnology, 2022
2,3,5,6-Tetramethylpyrazine (TMP) is an active pharmaceutical ingredient originally isolated from Ligusticum wallichii for curing cardiovascular and cerebrovascular diseases and is widely used as a popular flavoring additive in the food industry.
Jing Li, Jian Lu, Zhilin Ma, Jianxiu Li, Xianrui Chen, Mengxue Diao, Nengzhong Xie   +6 more
doaj   +1 more source