Results 1 to 10 of about 17,568 (265)

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

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   +2 more sources

Effect of alsD deletion and overexpression of nox and alsS on diacetyl and acetoin production by Lacticaseibacillus casei during milk fermentation [PDF]

Journal of Dairy Science, 2022
: Diacetyl and acetoin are key aroma components of fermented milk but are produced in low concentrations by starter cultures. In this study, we expressed NADH oxidase, acetolactate synthase, and inactivated acetolactate decarboxylase in ...
Huaixiang Tian, Yan Jing, Haiyan Yu, Juan Huang, Haibin Yuan, Xinman Lou, Bei Wang, Zhiyuan Xu, Chen Chen   +8 more
doaj   +2 more sources

A synergistic strategy of metabolic engineering and flocculation recycling for enhanced acetoin production in Zymomonas mobilis [PDF]

Synthetic and Systems Biotechnology
Acetoin, a valuable platform chemical, faces sustainability challenges in its traditional energy-intensive synthesis. Microbial fermentation using microorganisms such as Zymomonas mobilis offers a promising alternative.
Weiwei Bao, Qiqun Peng, Hongxiang Yu, Hongwei Yang, Shihui Yang   +4 more
doaj   +2 more sources

Optimization of process variables for acetoin production in a bioreactor using Taguchi orthogonal array design [PDF]

Heliyon, 2020
Microbial production of acetoin is eco-friendly and inexpensive when compared with its synthetic methods of production. In the present findings, bioproduction of acetoin in a typical bioreactor was discussed with a view to ascertain the seemingly ...
Abiola Ezekiel Taiwo, Tafirenyika Nyamayaro Madzimbamuto, Tunde Victor Ojumu   +2 more
doaj   +2 more sources

Analysis of heterologous expression of phaCBA promotes the acetoin stress response mechanism in Bacillus subtilis using transcriptomics and metabolomics approaches [PDF]

Microbial Cell Factories
Acetoin, a versatile platform chemical and popular food additive, poses a challenge to the biosafety strain Bacillus subtilis when produced in high concentrations due to its intrinsic toxicity.
Tao Li, Haixiang Li, Lei Zhong, Yufei Qin, Gege Guo, Zhaoxing Liu, Ning Hao, Pingkai Ouyang   +7 more
doaj   +2 more sources

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

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   +3 more sources

Synthetic microbial consortium enhances acetoin production and functional quality of citrus vinegar via metabolic and process optimization [PDF]

Frontiers in Microbiology
Acetoin (3-hydroxy-2-butanone) is a key flavor compound that enhances the sensory profile of fruit vinegar. In this study, we developed a high-yield acetoin fermentation process using a synthetic microbial combination composed of Lactobacillus plantarum ...
Yerui OuYang, Yerui OuYang, Shaoqing Zou, Shaoqing Zou, Panpan Liu, Panpan Liu, Linfeng Xie, Linfeng Xie, Yiwen Xiao, Yiwen Xiao, Ya Wang, Ya Wang, Guangjie Wu, Guangjie Wu, Jiantao Liu, Jiantao Liu, Jiantao Liu, Bin Liu, Bin Liu, Boliang Gao, Boliang Gao, Du Zhu, Du Zhu, Du Zhu, Du Zhu   +24 more
doaj   +2 more sources

A thermophilic cell-free cascade enzymatic reaction for acetoin synthesis from pyruvate

Scientific Reports, 2017
Acetoin (3-hydroxy-2-butanone) is an important bio-based platform chemical with wide applications. In vitro enzyme catalysed synthesis exhibits great feasibility in the production of chemicals with high purity.
Xiaojing Jia, Ying Liu, Yejun Han
doaj   +2 more sources

Thermophilic fermentation of acetoin and 2,3-butanediol by a novel Geobacillus strain [PDF]

Biotechnology for Biofuels, 2012
Background Acetoin and 2,3-butanediol are two important biorefinery platform chemicals. They are currently fermented below 40°C using mesophilic strains, but the processes often suffer from bacterial contamination. Results This work reports the isolation
Xiao Zijun, Wang Xiangming, Huang Yunling, Huo Fangfang, Zhu Xiankun, Xi Lijun, Lu Jian R   +6 more
doaj   +2 more sources

Formate hydrogen lyase mediates stationary-phase deacidification and increases survival during sugar fermentation in acetoin-producing enterobacteria [PDF]

Frontiers in Microbiology, 2015
Two fermentation types exist in the Enterobacteriaceae family. Mixed-acid fermenters produce substantial amounts of lactate, formate, acetate and succinate, resulting in lethal medium acidification.
Bram eVivijs, Leticia Ungaretti Haberbeck, Leticia Ungaretti Haberbeck, Victor eBaiye Mfortaw Mbong, Kristel eBernaerts, Annemie eGeeraerd, Abram eAertsen, Chris W Michiels   +7 more
doaj   +2 more sources