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Tindjau R, Chua JY, Liu SQ. Co-culturing Propionibacterium freudenreichii and Bifidobacterium animalis subsp. lactis improves short-chain fatty acids and vitamin B 12 contents in soy whey. Food Microbiol 2024; 121:104525. [PMID: 38637087 DOI: 10.1016/j.fm.2024.104525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 03/18/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024]
Abstract
The lack of vitamin B12 in unprocessed plant-based foods can lead to health problems in strict vegetarians and vegans. The main aim of this study was to investigate the potential synergy of co-culturing Bifidobacterium animalis subsp. lactis and Propionibacterium freudenreichii in improving production of vitamin B12 and short-chain fatty acids in soy whey. Different strategies including mono-, sequential and simultaneous cultures were adopted. Growth, short-chain fatty acids and vitamin B12 were assessed throughout the fermentation while free amino acids, volatiles, and isoflavones were determined on the final day. P. freudenreichii monoculture grew well in soy whey, whereas B. lactis monoculture entered the death phase by day 4. Principal component analysis demonstrates that metabolic changes in both sequential cultures did not show drastic differences to those of P. freudenreichii monoculture. However, simultaneous culturing significantly improved vitamin B12, acetic acid and propionic acid contents (1.3 times, 5 times, 2.5 times, compared to the next highest treatment [sequential cultures]) in fermented soy whey relative to other culturing modes. Hence, co-culturing of P. freudenreichii and B. lactis would provide an alternative method to improve vitamin B12, acetic acid and propionic acid contents in fermented foods.
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Affiliation(s)
- Ricco Tindjau
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore, 117542, Singapore.
| | - Jian-Yong Chua
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore, 117542, Singapore.
| | - Shao-Quan Liu
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore, 117542, Singapore; National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Jiangsu, 215213, China.
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Tindjau R, Chua JY, Liu SQ. Utilization of propionic acid bacteria in the biotransformation of soy (tofu) whey: Growth and metabolite changes. J Food Sci 2024; 89:540-551. [PMID: 38051025 DOI: 10.1111/1750-3841.16863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/09/2023] [Accepted: 11/15/2023] [Indexed: 12/07/2023]
Abstract
Soy whey, a by-product from the tofu and soy protein isolate industry was evaluated as a substrate for a biofortified beverage using several propionic acid bacteria (PAB). PAB growth and changes in sugars, organic acids, amino acids and isoflavones were investigated. Vitamin B12 and short-chain fatty acid (SCFA) production were measured over time. Acidipropionibacterium acidipropionici (DSM 20272) showed the highest growth, compared to the other three PABs (Propionibacterium freudenreichii [DSM 20271 and DSM 4902], A. jensenii [DSM 20535]). Acidipropionibacterium (DSM 20272 and DSM 20535) showed the best propionic acid and acetic acid production, while P. freudenreichii produced the most succinic acid. Propionibacterium freudenreichii exhibited significant vitamin B12 production at 4.06 ± 0.28 µg/L for DSM 20271, followed by 2.58 ± 0.22 µg/L for DSM 4902. Notably, all PAB displayed strong β-glycosidase activities evidenced by the conversion of isoflavone glycosides to isoflavone aglycones. The stark differences between Acidipropionibacterium spp. and Propionibacterium spp. indicate that the former PAB is specialized in SCFA production, while the latter PAB is better at vitamin B12 bioenrichment. This study demonstrated the possibility of employing PAB fermentation to improve SCFA and vitamin B12 content. This can open avenues for a beverage or functional ingredient development.
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Affiliation(s)
- Ricco Tindjau
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Jian-Yong Chua
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Shao-Quan Liu
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
- Advanced Food Research Laboratory, National University of Singapore (Suzhou) Research Institute, Jiangsu, China
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Zheng Y, Wang P, Yang X, Zhao L, Ren L, Li J. Metagenomics insight into bioaugmentation mechanism of Propionibacterium acidipropionici during anaerobic acidification of kitchen waste. Bioresour Technol 2022; 362:127843. [PMID: 36031136 DOI: 10.1016/j.biortech.2022.127843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
In the present study, a biochemical strategy for improving propionic acid production from kitchen waste acidification by bioaugmentation with Propionibacterium acidipropionici (P. acidipropionici) was investigated. When the inoculum of P. acidipropionici was 30% (w/w) of the seeding sludge, the propionic acid production increased by 79.57%. Further, bioaugmentation improved the relative abundance of Firmicute and Actinobacteria. The results of metagenomic analysis further reveal that the ATP-binding cassette (ABC) transporters and all related pathways of Propanoate metabolism (ko00640) were enriched when P. acidipropionici was added. For Propanoate metabolism, most functional genes involved in the conversion from Glycolysis / Gluconeogenesis (ko00010) to Propanoyl-CoA and conversion from Propanoyl-CoA to propionic acid were enhanced after bioaugmentation with P. acidipropionici, thereby promoting propionic acid production. As such, bioaugmentation with P. acidipropionici was effective in the anaerobic acidification of kitchen waste for propionic acid production.
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Affiliation(s)
- Yi Zheng
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China; Organic Recycling Institute (Suzhou) of China Agricultural University, Wuzhong District, Suzhou 215128, China; College of Resources and Environmental Science, Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing 100193, China
| | - Pan Wang
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China.
| | - Xinyu Yang
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
| | - Liya Zhao
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
| | - Lianhai Ren
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
| | - Ji Li
- Organic Recycling Institute (Suzhou) of China Agricultural University, Wuzhong District, Suzhou 215128, China; College of Resources and Environmental Science, Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing 100193, China
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Assis DAD, Matte C, Aschidamini B, Rodrigues E, Záchia Ayub MA. Biosynthesis of vitamin B12 by Propionibacterium freudenreichii subsp. shermanii ATCC 13673 using liquid acid protein residue of soybean as culture medium. Biotechnol Prog 2020; 36:e3011. [PMID: 32356411 DOI: 10.1002/btpr.3011] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 04/20/2020] [Accepted: 04/24/2020] [Indexed: 12/12/2022]
Abstract
Vitamin B12 deficiency still persists, mainly caused by low intake of animal food products affecting vegetarians, vegans, and populations of underdeveloped countries. In this study, we investigate the biosynthesis of vitamin B12 by potential probiotic bacterium using an agroindustry residue, the liquid acid protein residue of soybean (LAPRS), as a low-cost, animal derivate-free alternative culture medium. Cultures of Propionibacterium freudenreichii subsp. shermanii ATCC 13673 growing in LAPRS for vitamin B12 biosynthesis were studied using the Plackett-Burman experimental approach, followed by a central composite design 22 to optimize the concentration of significant variables. We also performed a proteolytic treatment of LAPRS and evaluated the optimized-hydrolyzed medium influence on the microbial growth and metabolism in shaker flask and bioreactor experiments. In this all-plant source medium, P. freudenreichii subsp. shermanii produced high concentrations of cells and high amounts of vitamin B12 (0.6 mg/g cells) after process optimization. These results suggest the possibility of producing vitamin B12 by a potential probiotic bacterium in a very cheap, animal derivate-free medium to address the needs of specific population groups, at the same time reducing the production costs of this essential vitamin.
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Affiliation(s)
- Dener Acosta de Assis
- Biotechnology & Biochemical Engineering Laboratory (BiotecLab), Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Carla Matte
- Biotechnology & Biochemical Engineering Laboratory (BiotecLab), Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Bruno Aschidamini
- Biotechnology & Biochemical Engineering Laboratory (BiotecLab), Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Eliseu Rodrigues
- Biotechnology & Biochemical Engineering Laboratory (BiotecLab), Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Marco Antônio Záchia Ayub
- Biotechnology & Biochemical Engineering Laboratory (BiotecLab), Food Science and Technology Institute, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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Piwowarek K, Lipińska E, Hać-Szymańczuk E, Kieliszek M, Kot AM. Sequencing and Analysis of the Genome of Propionibacterium Freudenreichii T82 Strain: Importance for Industry. Biomolecules 2020; 10:E348. [PMID: 32102319 PMCID: PMC7072396 DOI: 10.3390/biom10020348] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/11/2020] [Accepted: 02/20/2020] [Indexed: 01/12/2023] Open
Abstract
The genome of Propionibacterium freudenreichii ssp. freudenreichii T82, which has a chromosome containing 2,585,340 nucleotides with 67.3% GC content (guanine-cytosine content), is described in this paper. The total number of genes is 2308, of which 2260 are protein-coding genes and 48 are RNA genes. According to the genome analysis and the obtained results, the T82 strain can produce various compounds such as propionic acid, trehalose, glycogen, and B group vitamins (e.g., B6, B9, and B12). From protein-coding sequences (CDSs), genes related to stress adaptation, biosynthesis, metabolism, transport, secretion, and defense machinery were detected. In the genome of the T82 strain, sequences corresponding to the CRISPR loci (Clustered Regularly Interspaced Short Palindromic Repeats), antibiotic resistance, and restriction-modification system were found.
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Affiliation(s)
- Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 c, 02-776 Warsaw, Poland; (E.L.); (E.H.-S.); (M.K.); (A.M.K.)
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Crutchik D, Frison N, Eusebi AL, Fatone F. Biorefinery of cellulosic primary sludge towards targeted Short Chain Fatty Acids, phosphorus and methane recovery. Water Res 2018; 136:112-119. [PMID: 29500972 DOI: 10.1016/j.watres.2018.02.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 01/31/2018] [Accepted: 02/20/2018] [Indexed: 06/08/2023]
Abstract
Cellulose from used toilet paper is a major untapped resource embedded in municipal wastewater which recovery and valorization to valuable products can be optimized. Cellulosic primary sludge (CPS) can be separated by upstream dynamic sieving and anaerobically digested to recover methane as much as 4.02 m3/capita·year. On the other hand, optimal acidogenic fermenting conditions of CPS allows the production of targeted short-chain fatty acids (SCFAs) as much as 2.92 kg COD/capita·year. Here propionate content can be more than 30% and can optimize the enhanced biological phosphorus removal (EBPR) processes or the higher valuable co-polymer of polyhydroxyalkanoates (PHAs). In this work, first a full set of batch assays were used at three different temperatures (37, 55 and 70 °C) and three different initial pH (8, 9 and 10) to identify the best conditions for optimizing both the total SCFAs and propionate content from CPS fermentation. Then, the optimal conditions were applied in long term to a Sequencing Batch Fermentation Reactor where the highest propionate production (100-120 mg COD/g TVSfed·d) was obtained at 37 °C and adjusting the feeding pH at 8. This was attributed to the higher hydrolysis efficiency of the cellulosic materials (up to 44%), which increased the selective growth of Propionibacterium acidopropionici in the fermentation broth up to 34%. At the same time, around 88% of the phosphorus released during the acidogenic fermentation was recovered as much as 0.15 kg of struvite per capita·year. Finally, the potential market value was preliminary estimated for the recovered materials that can triple over the conventional scenario of biogas recovery in existing municipal wastewater treatment plants.
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Affiliation(s)
- Dafne Crutchik
- Department of Biotechnology, University of Verona, Verona, Italy; Faculty of Engineering and Sciences, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Nicola Frison
- Department of Biotechnology, University of Verona, Verona, Italy.
| | - Anna Laura Eusebi
- Department of Science and Engineering of Materials, Environment and City Planning, Faculty of Engineering, Polytechnic University of Marche, Ancona, Italy
| | - Francesco Fatone
- Department of Science and Engineering of Materials, Environment and City Planning, Faculty of Engineering, Polytechnic University of Marche, Ancona, Italy.
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Piwowarek K, Lipińska E, Hać-Szymańczuk E, Kieliszek M, Ścibisz I. Propionibacterium spp.-source of propionic acid, vitamin B12, and other metabolites important for the industry. Appl Microbiol Biotechnol 2018; 102:515-538. [PMID: 29167919 PMCID: PMC5756557 DOI: 10.1007/s00253-017-8616-7] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 10/31/2017] [Accepted: 11/01/2017] [Indexed: 01/09/2023]
Abstract
Bacteria from the Propionibacterium genus consists of two principal groups: cutaneous and classical. Cutaneous Propionibacterium are considered primary pathogens to humans, whereas classical Propionibacterium are widely used in the food and pharmaceutical industries. Bacteria from the Propionibacterium genus are capable of synthesizing numerous valuable compounds with a wide industrial usage. Biomass of the bacteria from the Propionibacterium genus constitutes sources of vitamins from the B group, including B12, trehalose, and numerous bacteriocins. These bacteria are also capable of synthesizing organic acids such as propionic acid and acetic acid. Because of GRAS status and their health-promoting characteristics, bacteria from the Propionibacterium genus and their metabolites (propionic acid, vitamin B12, and trehalose) are commonly used in the cosmetic, pharmaceutical, food, and other industries. They are also used as additives in fodders for livestock. In this review, we present the major species of Propionibacterium and their properties and provide an overview of their functions and applications. This review also presents current literature concerned with the possibilities of using Propionibacterium spp. to obtain valuable metabolites. It also presents the biosynthetic pathways as well as the impact of the genetic and environmental factors on the efficiency of their production.
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Affiliation(s)
- Kamil Piwowarek
- Department of Biotechnology, Microbiology and Food Evaluation, Division of Food Biotechnology and Microbiology, Faculty of Food Sciences, Warsaw University of Life Sciences SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776, Warsaw, Poland.
| | - Edyta Lipińska
- Department of Biotechnology, Microbiology and Food Evaluation, Division of Food Biotechnology and Microbiology, Faculty of Food Sciences, Warsaw University of Life Sciences SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776, Warsaw, Poland
| | - Elżbieta Hać-Szymańczuk
- Department of Biotechnology, Microbiology and Food Evaluation, Division of Food Biotechnology and Microbiology, Faculty of Food Sciences, Warsaw University of Life Sciences SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776, Warsaw, Poland
| | - Marek Kieliszek
- Department of Biotechnology, Microbiology and Food Evaluation, Division of Food Biotechnology and Microbiology, Faculty of Food Sciences, Warsaw University of Life Sciences SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776, Warsaw, Poland
| | - Iwona Ścibisz
- Department of Food Technology, Division of Fruit and Vegetable Technology, Faculty of Food Sciences, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 159c Street, 02-776, Warsaw, Poland
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Li X, Zhang W, Ma L, Lai S, Zhao S, Chen Y, Liu Y. Improved production of propionic acid driven by hydrolyzed liquid containing high concentration of l-lactic acid from co-fermentation of food waste and sludge. Bioresour Technol 2016; 220:523-529. [PMID: 27614154 DOI: 10.1016/j.biortech.2016.08.066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Revised: 08/13/2016] [Accepted: 08/16/2016] [Indexed: 06/06/2023]
Abstract
This study investigated the feasibility of improved production propionic acid-enriched volatile fatty acid (VFA) from high concentration (Cs) of food waste and waste activated sludge (WAS) via lactic acid pathway by using of Propionibacterium acidipropionici. It was observed that production of l-lactate overwhelmed to d-lactate at first stage, which improved from 3.21 to 35.45gCOD/L with increase of substrate Cs. However, kinetic model analysis indicated that P. acidipropionici growth rate μmax was decreased with increase of l-lactate concentration, which explained second stage free cell fermentation of propionic acid was inhibited when fed by first stage liquid from R-40, R-55 and R-70. Then, the fibrous bed bioreactor was employed to eliminate the feed inhibition. The maximal percentage of propionic acid (68.3%) and production (16.31gCOD/L) was obtained by feeding liquid of R-55, which was improved by 3.33 folds compared to the free cell fermentation.
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Affiliation(s)
- Xiang Li
- State Environmental Protection Engineering Centre for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; Jiangsu Tongyan Environm Prod Sci & Technol Co Lt, Yancheng 224000, China
| | - Wenjuan Zhang
- State Environmental Protection Engineering Centre for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Li Ma
- State Environmental Protection Engineering Centre for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Sizhou Lai
- State Environmental Protection Engineering Centre for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Shu Zhao
- AgroParis Tech, Paris Institute of Technology For Life, Food & Environmental Science, F-75231 Paris Cedex 05, France
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yanan Liu
- State Environmental Protection Engineering Centre for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China.
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Liu Z, Ge Y, Xu J, Gao C, Ma C, Xu P. Efficient production of propionic acid through high density culture with recycling cells of Propionibacterium acidipropionici. Bioresour Technol 2016; 216:856-861. [PMID: 27318164 DOI: 10.1016/j.biortech.2016.06.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 06/06/2016] [Accepted: 06/07/2016] [Indexed: 06/06/2023]
Abstract
The aim of this study was to explore propionic acid production via high density culture of Propionibacterium acidipropionici and recycling of cells. Results showed that final cells of P. acidipropionici from high density culture still had high metabolic activity for reuse. Using our process, 75.9gl(-1) propionic acid was produced, which was 1.84-fold of that in fed-batch fermentation with low cell density (41.2gl(-1)); the corresponding productivity was 100.0% higher than that in fed-batch fermentation with low cell density (0.16gl(-1)h(-1)). This bioprocess may have potential for the industrial production of propionic acid.
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Affiliation(s)
- Zhen Liu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China; Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, People's Republic of China
| | - Yongsheng Ge
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China
| | - Jing Xu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China
| | - Chao Gao
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China
| | - Cuiqing Ma
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China.
| | - Ping Xu
- State Key Laboratory of Microbial Metabolism and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
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Kenney NM, Vanzant ES, Harmon DL, McLeod KR. Direct-fed microbials containing lactate-producing bacteria influence ruminal fermentation but not lactate utilization in steers fed a high-concentrate diet. J Anim Sci 2016; 93:2336-48. [PMID: 26020329 DOI: 10.2527/jas.2014-8570] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Direct-fed microbials (DFM) have been shown to improve gain and growth efficiency and also modulate ruminal fermentation. In Exp. 1,72 beef steers were used to compare a lactate-producing bacterial (LAB) DFM consisting primarily of Lactobacillus acidophilus and Enterococcus faecium,and a lactate-producing and lactate-utilizing (LAB/LU) DFM consisting primarily of L. acidophilus and Propionibacterium both fed at 10(9) cfu/d. Steers were fed a corn-based finishing diet for 153 d and then slaughtered for collection of carcass characteristics. In Exp. 2, 12 ruminally cannulated steers were fed acorn-based finishing diet and treated with 10(9) cfu/d of LAB DFM. Rumen fluid was sampled on d 14 and 28 over a 12-h period. Steers were ruminally dosed with a 2-L solution of neutralized DL-lactate (0.56 M)and Cr-EDTA (13.22 M) 3 h postfeeding on d 15 and 29. Ruminal samples were collected at 10- and 20-minintervals for the first and second hour postdosing. No differences (P ≥ 0.14) between control (CON) and LAB for DMI, ADG, growth efficiency, or carcass characteristics were observed. Dry matter intake was greater (P = 0.04) for LAB/LU than LAB from d 0 to 28 but did not differ (P ≥ 0.29) thereafter. Average daily gain was greater (P = 0.04) and efficiency tended(P = 0.06) to be greater for LAB than LAB/LU over the entire 153 d. In Exp. 2, total VFA concentration and molar proportions of butyrate were unaffected(P ≥ 0.24). Molar proportions of acetate exhibited a DFM by hour interaction (P = 0.04); however, on average, molar proportion of acetate was 4.4% greater for DFM. Conversely, DFM did not affect the molar proportion of propionate (P = 0.39). On average,molar proportions of propionate tended to increase(P = 0.07), and acetate tended to decrease (P = 0.07)across days. Mean daily ruminal pH was similar for CON on d 14 and 28, whereas mean pH increased from d 14 to 28 for DFM (DFM × day; P = 0.08).Minimum pH remained unchanged for CON over time but increased from d 14 to 2 for DFM (DFM × day;P = 0.10). Maximum pH decreased from d 14 to 28 in CON but increased over time with DFM (DFM × day;P = 0.05). DL- and L-lactate utilization were unaffected by DFM (P ≥ 0.33) or day (P ≥ 0.50). Although the LAB DFM did not impact growth performance, itd id modulate ruminal fermentation, as evidenced by shifts in ruminal VFA profile and pH; however, DFM did not appear to influence ruminal lactate utilization.
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Wallenius J, Pahimanolis N, Zoppe J, Kilpeläinen P, Master E, Ilvesniemi H, Seppälä J, Eerikäinen T, Ojamo H. Continuous propionic acid production with Propionibacterium acidipropionici immobilized in a novel xylan hydrogel matrix. Bioresour Technol 2015; 197:1-6. [PMID: 26313629 DOI: 10.1016/j.biortech.2015.08.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 07/31/2015] [Accepted: 08/01/2015] [Indexed: 06/04/2023]
Abstract
The cell immobilization potential of a novel xylan based disulfide-crosslinked hydrogel matrix reinforced with cellulose nanocrystals was studied with continuous cultivation of Propionibacterium acidipropionici using various dilution rates. The cells were immobilized to hydrogel beads suspended freely in the fermentation broth or else packed into a column connected to a stirred tank reactor. The maximum propionic acid productivity for the combined stirred tank and column was 0.88gL(-1)h(-1) and the maximum productivity for the column was determined to be 1.39gL(-1)h(-1). The maximum propionic acid titer for the combined system was 13.9gL(-1) with a dilution rate of 0.06h(-1). Dry cell density of 99.7gL(-1) was obtained within the column packed with hydrogel beads and productivity of 1.02gL(-1)h(-1) was maintained in the column even with the high circulation rate of 3.37h(-1).
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Affiliation(s)
- Janne Wallenius
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland.
| | - Nikolaos Pahimanolis
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland
| | - Justin Zoppe
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland
| | - Petri Kilpeläinen
- Finnish Natural Resources Institute (Luke), Jokiniemenkuja 1, P.O. Box 18, 01301 Vantaa, Finland
| | - Emma Master
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
| | - Hannu Ilvesniemi
- Finnish Natural Resources Institute (Luke), Jokiniemenkuja 1, P.O. Box 18, 01301 Vantaa, Finland
| | - Jukka Seppälä
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland
| | - Tero Eerikäinen
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland
| | - Heikki Ojamo
- Aalto University, School of Chemical Technology, Department of Biotechnology and Chemical Technology, P.O. Box 6100, FIN-02015, Finland
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Zhang A, Sun J, Wang Z, Yang ST, Zhou H. Effects of carbon dioxide on cell growth and propionic acid production from glycerol and glucose by Propionibacterium acidipropionici. Bioresour Technol 2015; 175:374-381. [PMID: 25459845 DOI: 10.1016/j.biortech.2014.10.046] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 10/04/2014] [Accepted: 10/09/2014] [Indexed: 06/04/2023]
Abstract
The effects of CO2 on propionic acid production and cell growth in glycerol or glucose fermentation were investigated in this study. In glycerol fermentation, the volumetric productivity of propionic acid with CO2 supplementation reached 2.94g/L/day, compared to 1.56g/L/day without CO2. The cell growth using glycerol was also significantly enhanced with CO2. In addition, the yield and productivity of succinate, the main intermediate in Wood-Werkman cycle, increased 81% and 280%, respectively; consistent with the increased activities of pyruvate carboxylase and propionyl CoA transferase, two key enzymes in the Wood-Werkman cycle. However, in glucose fermentation CO2 had minimal effect on propionic acid production and cell growth. The carbon flux distributions using glycerol or glucose were also analyzed using a stoichiometric metabolic model. The calculated maintenance coefficient (mATP) increased 100%, which may explain the increase in the productivity of propionic acid in glycerol fermentation with CO2 supplement.
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Affiliation(s)
- An Zhang
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
| | - Jianxin Sun
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
| | - Zhongqiang Wang
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
| | - Shang-Tian Yang
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
| | - Haiying Zhou
- Elixir Bioscience LLC, 1119 Jewel Creek Dr., Cary, NC 27519, USA.
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13
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Zhuge X, Li J, Shin HD, Liu L, Du G, Chen J. Improved propionic acid production with metabolically engineered Propionibacterium jensenii by an oxidoreduction potential-shift control strategy. Bioresour Technol 2015; 175:606-612. [PMID: 25453933 DOI: 10.1016/j.biortech.2014.10.038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Revised: 10/08/2014] [Accepted: 10/09/2014] [Indexed: 06/04/2023]
Abstract
In this study, a three-stage oxidoreduction potential (ORP) control strategy was developed to improve propionic acid (PA) production using engineered Propionibacterium jensenii ATCC 4868 (pZGX04-gldA) in a 3-L bioreactor. Specifically, ORP was controlled at -200mV from 0 to 36h, -300mV from 36 to 156h, and -400mV after 156h. The PA titer increased from 21.38 to 27.31g/L. The effects of ORP regulation on key intracellular metabolites were studied, demonstrating that ORP can both regulate NADH/NAD(+) ratio and the activities of some enzymes involved in electron transport and redistribute metabolic flux. We integrated the ORP control strategy with a fed-batch culture method and increased PA production to 39.53g/L. This new ORP control strategy may be useful in the optimization of other anaerobic processes.
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Affiliation(s)
- Xin Zhuge
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China
| | - Jianghua Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China
| | - Hyun-Dong Shin
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta 30332, USA
| | - Long Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China.
| | - Guocheng Du
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China.
| | - Jian Chen
- Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China; National Engineering of Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, China
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Dishisha T, Ibrahim MHA, Cavero VH, Alvarez MT, Hatti-Kaul R. Improved propionic acid production from glycerol: combining cyclic batch- and sequential batch fermentations with optimal nutrient composition. Bioresour Technol 2015; 176:80-87. [PMID: 25460987 DOI: 10.1016/j.biortech.2014.11.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 11/03/2014] [Accepted: 11/04/2014] [Indexed: 06/04/2023]
Abstract
Propionic acid was produced from glycerol using Propionibacterium acidipropionici. In this study, the impact of the concentrations of carbon and nitrogen sources, and of different modes of high cell density fermentations on process kinetics and -efficiency was investigated. Three-way ANOVA analysis and batch cultivations at varying C/N ratios at pH 6.5 revealed that propionic acid production rate is significantly influenced by yeast extract concentration. Glycerol to yeast extract ratio (ww(-1)) of 3:1 was required for complete glycerol consumption, while maintaining the volumetric productivity. Using this optimum C/N ratio for propionic acid production in cyclic batch fermentation gave propionate yield up to 93mol% and productivity of 0.53gL(-1)h(-1). Moreover, sequential batch fermentation with cell recycling resulted in production rates exceeding 1gL(-1)h(-1) at initial glycerol up to 120gL(-1), and a maximum of 1.63gL(-1)h(-1) from 90gL(-1) glycerol.
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Affiliation(s)
- Tarek Dishisha
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden
| | - Mohammad H A Ibrahim
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden
| | - Victor Hugo Cavero
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden
| | - Maria Teresa Alvarez
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden
| | - Rajni Hatti-Kaul
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden.
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15
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Wollenberg MS, Claesen J, Escapa IF, Aldridge KL, Fischbach MA, Lemon KP. Propionibacterium-produced coproporphyrin III induces Staphylococcus aureus aggregation and biofilm formation. mBio 2014; 5:e01286-14. [PMID: 25053784 PMCID: PMC4120196 DOI: 10.1128/mbio.01286-14] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 06/24/2014] [Indexed: 01/24/2023] Open
Abstract
The majority of bacteria detected in the nostril microbiota of most healthy adults belong to three genera: Propionibacterium, Corynebacterium, and Staphylococcus. Among these staphylococci is the medically important bacterium Staphylococcus aureus. Almost nothing is known about interspecies interactions among bacteria in the nostrils. We observed that crude extracts of cell-free conditioned medium from Propionibacterium spp. induce S. aureus aggregation in culture. Bioassay-guided fractionation implicated coproporphyrin III (CIII), the most abundant extracellular porphyrin produced by human-associated Propionibacterium spp., as a cause of S. aureus aggregation. This aggregation response depended on the CIII dose and occurred during early stationary-phase growth, and a low pH (~4 to 6) was necessary but was not sufficient for its induction. Additionally, CIII induced plasma-independent S. aureus biofilm development on an abiotic surface in multiple S. aureus strains. In strain UAMS-1, CIII stimulation of biofilm depended on sarA, a key biofilm regulator. This study is one of the first demonstrations of a small-molecule-mediated interaction among medically relevant members of the nostril microbiota and the first description of a role for CIII in bacterial interspecies interactions. Our results indicate that CIII may be an important mediator of S. aureus aggregation and/or biofilm formation in the nostril or other sites inhabited by Propionibacterium spp. and S. aureus. Importance: Very little is known about interspecies interactions among the bacteria that inhabit the adult nostril, including Staphylococcus aureus, a potential pathogen that colonizes about a quarter of adults. We demonstrated that coproporphyrin III (CIII), a diffusible small molecule excreted by nostril- and skin-associated Propionibacterium spp., induces S. aureus aggregation in a manner dependent on dose, growth phase, and pH. CIII also induces S. aureus to form a plasma-independent surface-attached biofilm. This report is the first description of a role for CIII in bacterial interspecies interactions at any human body site and a novel demonstration that nostril microbiota physiology is influenced by small-molecule-mediated interactions.
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Affiliation(s)
- Michael S Wollenberg
- Department of Microbiology, The Forsyth Institute, Cambridge, Massachusetts, USA Department of Oral Medicine, Infection & Immunity, Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Jan Claesen
- Department of Bioengineering and Therapeutic Sciences and the California Institute for Quantitative Biosciences, University of California San Francisco, San Francisco, California, USA
| | | | - Kelly L Aldridge
- Department of Microbiology, The Forsyth Institute, Cambridge, Massachusetts, USA
| | - Michael A Fischbach
- Department of Bioengineering and Therapeutic Sciences and the California Institute for Quantitative Biosciences, University of California San Francisco, San Francisco, California, USA
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Zhuge X, Liu L, Shin HD, Li J, Du G, Chen J. Improved propionic acid production from glycerol with metabolically engineered Propionibacterium jensenii by integrating fed-batch culture with a pH-shift control strategy. Bioresour Technol 2013; 152:519-525. [PMID: 24333145 DOI: 10.1016/j.biortech.2013.11.063] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 11/21/2013] [Accepted: 11/23/2013] [Indexed: 06/03/2023]
Abstract
Propionic acid (PA) production with metabolically engineered Propionibacterium jensenii (pZGX04-gldA) was improved by integrating fed-batch culture with a two-stage pH control strategy in a 3-L fermenter. The following two-stage pH control strategy was used: the pH was controlled at 5.9 for 0-36 h and shifted to 6.5 after 36 h. The PA titer was increased to 21.43 g/L. On the basis of pH control, the influence of fed-batch culture on PA production was further investigated and the maximum PA production (34.62 g/L) was obtained when glycerol was fed at a constant rate of 3.33 mL/h from 60 to 132 h with an initial glycerol concentration of 25 g/L. Crude glycerol was then used to produce PA using the optimized strategies, and maximal PA production reached 37.26 g/L. The strategies may be useful for the production of PA by other propionibacteria species.
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Affiliation(s)
- Xin Zhuge
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China
| | - Long Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China
| | - Hyun-dong Shin
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta 30332, USA
| | - Jianghua Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China.
| | - Guocheng Du
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China.
| | - Jian Chen
- Synergetic Innovation Center of Food Safety and Nutrition, Wuxi 214122, China; National Engineering of Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi 214122, China
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17
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Wang Z, Yang ST. Propionic acid production in glycerol/glucose co-fermentation by Propionibacterium freudenreichii subsp. shermanii. Bioresour Technol 2013; 137:116-123. [PMID: 23584412 DOI: 10.1016/j.biortech.2013.03.012] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Revised: 03/02/2013] [Accepted: 03/04/2013] [Indexed: 06/02/2023]
Abstract
Propionibacterium freudenreichii subsp. shermanii can ferment glucose and glycerol to propionic acid with acetic and succinic acids as two by-products. Propionic acid production from glucose was relatively fast (0.19 g/Lh) but gave low product yield (~0.39 g/g) and selectivity (P/A: ~2.6; P/S: ~4.8). In contrast, glycerol with a more reduced state gave a high propionic acid yield (~0.65 g/g) and selectivity (P/A: ~31; P/S: ~11) but low productivity (0.11 g/L h). On the other hand, co-fermentation of glycerol and glucose at an appropriate mass ratio gave both a high yield (0.54-0.65 g/g) and productivity (0.18-0.23 g/L h) with high product selectivity (P/A: ~14; P/S: ~10). The carbon flux distributions in the co-fermentation as affected by the ratio of glycerol/glucose were investigated. Finally, co-fermentation with cassava bagasse hydrolysate and crude glycerol in a fibrous-bed bioreactor was demonstrated, providing an efficient way for economic production of bio-based propionic acid.
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Affiliation(s)
- Zhongqiang Wang
- William G. Lowrie Department of Chemical & Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA
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18
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Dishisha T, Ståhl Å, Lundmark S, Hatti-Kaul R. An economical biorefinery process for propionic acid production from glycerol and potato juice using high cell density fermentation. Bioresour Technol 2013; 135:504-512. [PMID: 23041117 DOI: 10.1016/j.biortech.2012.08.098] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Revised: 08/23/2012] [Accepted: 08/25/2012] [Indexed: 06/01/2023]
Abstract
An economically sustainable process was developed for propionic acid production by fermentation of glycerol using Propionibacterium acidipropionici and potato juice, a by-product of starch processing, as a nitrogen/vitamin source. The fermentation was done as high-cell-density sequential batches with cell recycle. Propionic acid production and glycerol consumption rates were dependent on initial biomass concentration, and reached a maximum of 1.42 and 2.30 g L(-1) h(-1), respectively, from 50 g L(-1) glycerol at initial cell density of 23.7 gCDW L(-1). Halving the concentration of nitrogen/vitamin source resulted in reduction of acetic and succinic acids yields by ~39% each. At glycerol concentrations of 85 and 120 g L(-1), respectively, 43.8 and 50.8 g L(-1) propionic acid were obtained at a rate of 0.88 and 0.29 g L(-1) h(-1) and yield of 84 and 78 mol%. Succinic acid was 13 g% of propionic acid and could represent a potential co-product covering the cost of nitrogen/vitamin source.
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Affiliation(s)
- Tarek Dishisha
- Department of Biotechnology, Center of Chemistry and Chemical Engineering, Lund University, Box 124, SE-221 00 Lund, Sweden.
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19
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Ammar EM, Wang Z, Yang ST. Metabolic engineering of Propionibacterium freudenreichii for n-propanol production. Appl Microbiol Biotechnol 2013; 97:4677-90. [PMID: 23576036 DOI: 10.1007/s00253-013-4861-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Revised: 03/11/2013] [Accepted: 03/13/2013] [Indexed: 11/25/2022]
Abstract
Propionibacteria are widely used in industry for manufacturing of Swiss cheese, vitamin B₁₂, and propionic acid. However, little is known about their genetics and only a few reports are available on the metabolic engineering of propionibacteria aiming at enhancing fermentative production of vitamin B12 and propionic acid. n-Propanol is a common solvent, an intermediate in many industrial applications, and a promising biofuel. To date, no wild-type microorganism is known to produce n-propanol in sufficient quantities for industrial application purposes. In this study, a bifunctional aldehyde/alcohol dehydrogenase (adhE) was cloned from Escherichia coli and expressed in Propionibacterium freudenreichii. The mutants expressing the adhE gene converted propionyl- coenzyme A, which is the precursor for propionic acid biosynthesis, to n-propanol. The production of n-propanol was limited by NADH availability, which was improved significantly by using glycerol as the carbon source. Interestingly, the improved propanol production was accompanied by a significant increase in propionic acid productivity, indicating a positive effect of n-propanol biosynthesis on propionic acid fermentative production. To our best knowledge, this is the first report on producing n-propanol by metabolically engineered propionibacteria, which offers a novel route to produce n-propanol from renewable feedstock, and possibly a new way to boost propionic acid fermentation.
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Affiliation(s)
- Ehab Mohamed Ammar
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 140 West 19th Avenue, Columbus, OH 43210, USA
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20
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Chen Y, Li X, Zheng X, Wang D. Enhancement of propionic acid fraction in volatile fatty acids produced from sludge fermentation by the use of food waste and Propionibacterium acidipropionici. Water Res 2013; 47:615-622. [PMID: 23219005 DOI: 10.1016/j.watres.2012.10.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Revised: 10/19/2012] [Accepted: 10/20/2012] [Indexed: 06/01/2023]
Abstract
Volatile fatty acids (VFA) can be used as the additional carbon source of biological nutrient removal (BNR), and the increase of propionic acid percentage in VFA has been reported to facilitate the performance of BNR. In this study a new method for significantly improving the propionic acid fraction in VFA derived from waste activated sludge was reported, which included (1) mixing food waste with sludge and pre-fermenting the mixture (first stage), and (2) separating the mixture, sterilizing the pre-fermentation liquid and fermenting it after inoculating Propionibacterium acidipropionici (second stage). By optimizing the first stage with response surface methodology, a propionic acid content of 68.4% with propionic acid concentration of 7.13 g COD/L could be reached in the second stage, which was much higher than that reported previously. Lactic acid was found to be the most abundant product of the first stage and it served as the substrate for propionic acid production in the second stage. Further investigation showed that during the first stage the addition of food waste to the pre-fermentation system of sludge significantly increased the generation of lactic acid due to the synergistic effect, which resulted in the improvement of propionic acid production in the second stage. Finally, the use of propionic acid-enriched VFA as a superior carbon source of BNR was tested, and its performance was observed to be much better than using acetic acid-enriched VFA derived from sludge by the previously documented method.
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Affiliation(s)
- Yinguang Chen
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China.
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21
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Li X, Mu H, Chen Y, Zheng X, Luo J, Zhao S. Production of propionic acid-enriched volatile fatty acids from co-fermentation liquid of sewage sludge and food waste using Propionibacterium acidipropionici. Water Sci Technol 2013; 68:2061-2066. [PMID: 24225109 DOI: 10.2166/wst.2013.463] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Volatile fatty acids (VFA), derived from sludge fermentation, have been used as one effective carbon source for biological nutrient removal, especially favorable with VFA containing with high levels of propionic acid. In this paper, a new fermentation method was employed to significantly produce the propionic acid-enriched VFA from the co-fermentation liquid of sewage sludge and food waste: including (1) mixing food waste with sludge in the anaerobic digester (the first stage) and (2) separating the mixture, sterilizing the first stage liquid and fermenting it after inoculation with Propionibacterium acidipropionici (the second stage). The effect of the key parameters including pH, the mixing ratio of the food waste and sludge, fermentation time and temperature of the first stage on the propionic acid-enriched VFA production (the second stage) was individually discussed. By the molecular weight distribution analysis, the comparison of the solubilisation and hydrolysis process in difference parameters was fully elaborated. The optimal combination of the parameters was then obtained. Finally, the propionic acid-enriched VFA fermentation was successfully conducted in a semi-continuous reactor using the first stage liquid from the optimal condition.
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Affiliation(s)
- Xiang Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China E-mail:
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22
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Parizzi LP, Grassi MCB, Llerena LA, Carazzolle MF, Queiroz VL, Lunardi I, Zeidler AF, Teixeira PJPL, Mieczkowski P, Rincones J, Pereira GAG. The genome sequence of Propionibacterium acidipropionici provides insights into its biotechnological and industrial potential. BMC Genomics 2012; 13:562. [PMID: 23083487 PMCID: PMC3534718 DOI: 10.1186/1471-2164-13-562] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Accepted: 10/10/2012] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Synthetic biology allows the development of new biochemical pathways for the production of chemicals from renewable sources. One major challenge is the identification of suitable microorganisms to hold these pathways with sufficient robustness and high yield. In this work we analyzed the genome of the propionic acid producer Actinobacteria Propionibacterium acidipropionici (ATCC 4875). RESULTS The assembled P. acidipropionici genome has 3,656,170 base pairs (bp) with 68.8% G + C content and a low-copy plasmid of 6,868 bp. We identified 3,336 protein coding genes, approximately 1000 more than P. freudenreichii and P. acnes, with an increase in the number of genes putatively involved in maintenance of genome integrity, as well as the presence of an invertase and genes putatively involved in carbon catabolite repression. In addition, we made an experimental confirmation of the ability of P. acidipropionici to fix CO2, but no phosphoenolpyruvate carboxylase coding gene was found in the genome. Instead, we identified the pyruvate carboxylase gene and confirmed the presence of the corresponding enzyme in proteome analysis as a potential candidate for this activity. Similarly, the phosphate acetyltransferase and acetate kinase genes, which are considered responsible for acetate formation, were not present in the genome. In P. acidipropionici, a similar function seems to be performed by an ADP forming acetate-CoA ligase gene and its corresponding enzyme was confirmed in the proteome analysis. CONCLUSIONS Our data shows that P. acidipropionici has several of the desired features that are required to become a platform for the production of chemical commodities: multiple pathways for efficient feedstock utilization, ability to fix CO2, robustness, and efficient production of propionic acid, a potential precursor for valuable 3-carbon compounds.
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Affiliation(s)
- Lucas P Parizzi
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
- Braskem S.A, CP 6192, Campinas, 13083-970, São Paulo, Brazil
| | - Maria Carolina B Grassi
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
- Braskem S.A, CP 6192, Campinas, 13083-970, São Paulo, Brazil
| | - Luige A Llerena
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
| | - Marcelo F Carazzolle
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
| | | | - Inês Lunardi
- Braskem S.A, CP 6192, Campinas, 13083-970, São Paulo, Brazil
| | - Ane F Zeidler
- Braskem S.A, CP 6192, Campinas, 13083-970, São Paulo, Brazil
| | - Paulo JPL Teixeira
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
| | - Piotr Mieczkowski
- Department of Genetics, School of Medicine, Carolina Center for Genome Sciences, University of North Carolina, Wilson Hall, Rm 341, CB#3280, Chapel Hill, NC, 27599-3280, USA
| | - Johana Rincones
- Braskem S.A, CP 6192, Campinas, 13083-970, São Paulo, Brazil
| | - Gonçalo AG Pereira
- Laboratório de Genômica e Expressão, Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas, CP 6109, Campinas, 13083-970, São Paulo, Brazil
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Dishisha T, Alvarez MT, Hatti-Kaul R. Batch- and continuous propionic acid production from glycerol using free and immobilized cells of Propionibacterium acidipropionici. Bioresour Technol 2012; 118:553-562. [PMID: 22728152 DOI: 10.1016/j.biortech.2012.05.079] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Revised: 04/12/2012] [Accepted: 05/17/2012] [Indexed: 06/01/2023]
Abstract
Propionic acid production from glycerol was studied using Propionibacterium acidipropionici DSM 4900 cells immobilized on polyethylenimine-treated Poraver (PEI-Poraver) and Luffa (PEI-Luffa), respectively. Using PEI-Luffa, the average productivity, yield and concentration of propionic acid from 40 g L(-1) glycerol were 0.29 g L(-1) h(-1), 0.74 mol(PA) mol(Gly)(-1) and 20 g L(-1), respectively, after four consecutive recycle-batches. PEI-Poraver supported attachment of 31 times higher amounts of cells than PEI-Luffa and produced 20, 28 and 35 g L(-1) propionic acid from 40, 65 and 85 g L(-1) glycerol, respectively (0.61 mol(PA) mol(Gly)(-1)). The corresponding production rates were 0.86, 0.43 and 0.35 g L(-1) h(-1), which are the highest reported from glycerol via batch or fed-batch fermentations for equivalent propionic acid concentrations. Using a continuous mode of operation at a dilution rate of 0.1 h(-1), cell washout was observed in the bioreactor with free cells; however, propionic acid productivity, yield and concentration were 1.40 g L(-1) h(-1), 0.86 mol(PA) mol(Gly)(-1), and 15 g L(-1), respectively, using immobilized cells in the PEI-Poraver bioreactor. The choice of the immobilization matrix can thus significantly influence the fermentation efficiency and profile. The bioreactor using cells immobilized on PEI-Poraver allowed the fermentation of higher glycerol concentrations and provided stable and higher fermentation rates than that using free cells or the cells immobilized on PEI-Luffa.
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Affiliation(s)
- Tarek Dishisha
- Department of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden.
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24
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Liu Z, Ma C, Gao C, Xu P. Efficient utilization of hemicellulose hydrolysate for propionic acid production using Propionibacterium acidipropionici. Bioresour Technol 2012; 114:711-714. [PMID: 22481002 DOI: 10.1016/j.biortech.2012.02.118] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 02/23/2012] [Accepted: 02/24/2012] [Indexed: 05/31/2023]
Abstract
Hemicellulose, which contains glucose, xylose, and arabinose as the 3 main sugars, is an important renewable source for biorefinery. In this study, propionic acid production from glucose, xylose, or arabinose using Propionibacterium acidipropionici ATCC 4875 was investigated. Using xylose, the predominant sugar in hemicellulose, a final propionic acid concentration of 53.2 g l(-1) was obtained via fed-batch fermentation. Using corncob molasses, a waste by-product from xylitol production as a representative of hemicellulose hydrolysate, the final concentration of propionic acid was 71.8 g l(-1), with a corresponding productivity of 0.28 g l(-1) h(-1). The present study suggests that hemicellulose hydrolysate is an excellent carbon source for efficient propionic acid production by this strain.
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Affiliation(s)
- Zhen Liu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, People's Republic of China
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25
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Zhu L, Wei P, Cai J, Zhu X, Wang Z, Huang L, Xu Z. Improving the productivity of propionic acid with FBB-immobilized cells of an adapted acid-tolerant Propionibacterium acidipropionici. Bioresour Technol 2012; 112:248-253. [PMID: 22406066 DOI: 10.1016/j.biortech.2012.01.055] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2011] [Revised: 01/11/2012] [Accepted: 01/12/2012] [Indexed: 05/31/2023]
Abstract
Propionic acid is an important short-chain fatty acid with many applications, but its large-scale bioproduction was hindered by the low productivity. An adapted acid-tolerant Propionibacterium acidipropionici CGMCC 1.2230 strain was selected to produce propionic acid with a relatively high productivity (0.29 g/(Lh)) in the free-cell fermentation. Further immobilized-cell fermentation in fibrous-bed bioreactor (FBB) supported high-level repeated batch fermentations with a high productivity of 0.96 g/(Lh). The FBB also presents the potential to increase final propionic acid concentration by using glucose feeding strategy. The propionic acid concentration was increased to 51.2g/L in the fed-batch fermentation with the productivity of 0.71 g/(Lh). By adopting the above strategies, sugarcane bagasse hydrolysate could support the production of propionic acid with high productivity in the repeat-batch and fed-batch fermentations. The present work would pave one road to the accomplishment of large-scale bioproduction of propionic acid from renewable resources.
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Affiliation(s)
- Linqi Zhu
- Institute of Biological Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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26
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Ruhal R, Choudhury B. Improved trehalose production from biodiesel waste using parent and osmotically sensitive mutant of Propionibacterium freudenreichii subsp. shermanii under aerobic conditions. J Ind Microbiol Biotechnol 2012; 39:1153-60. [PMID: 22526328 DOI: 10.1007/s10295-012-1124-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 03/24/2012] [Indexed: 11/25/2022]
Abstract
Trehalose is an important nutraceutical of wide commercial interest in the food processing industry. Recently, crude glycerol was reported to be suitable for the production of trehalose using a food microbe, Propionibacterium freudenreichii subsp. shermanii, under static flask conditions. Similarly, enhanced trehalose yield was reported in an osmotically sensitive mutant of the same strain under anaerobic conditions. In the present study, an effort was made to achieve higher production of trehalose, propionic acid, and lactic acid using the parent and an osmotically sensitive mutant of P. freudenreichii subsp. shermanii under aeration conditions. Under aeration conditions (200 rpm in shake flasks and 30 % air saturation in a batch reactor), biomass was increased and approximately 98 % of crude glycerol was consumed. In the parent strain, a trehalose titre of 361 mg/l was achieved, whereas in the mutant strain a trehalose titre of 1.3 g/l was produced in shake flask conditions (200 rpm). In the mutant strain, propionic and lactic acid yields of 0.53 and 0.21 g/g of substrate were also achieved with crude glycerol. Similarly, in controlled batch reactor culturing conditions a final trehalose titre of approximately 1.56 g/l was achieved with the mutant strain using crude glycerol as the substrate. Enhanced production of trehalose using P. freudenreichii subsp. shermanii from waste under aeration conditions is reported here. Higher production of trehalose was not due to a higher yield of trehalose but to a higher final biomass concentration.
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Affiliation(s)
- Rohit Ruhal
- Bioprocess Engineering Laboratory, Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttrakhand, India
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27
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Kośmider A, Białas W, Kubiak P, Drożdżyńska A, Czaczyk K. Vitamin B12 production from crude glycerol by Propionibacterium freudenreichii ssp. shermanii: optimization of medium composition through statistical experimental designs. Bioresour Technol 2012; 105:128-133. [PMID: 22178491 DOI: 10.1016/j.biortech.2011.11.074] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Revised: 10/27/2011] [Accepted: 11/18/2011] [Indexed: 05/31/2023]
Abstract
A two-step statistical experimental design was employed to optimize the medium for vitamin B(12) production from crude glycerol by Propionibacterium freudenreichii ssp. shermanii. In the first step, using Plackett-Burman design, five of 13 tested medium components (calcium pantothenate, NaH(2)PO(4)·2H(2)O, casein hydrolysate, glycerol and FeSO(4)·7H(2)O) were identified as factors having significant influence on vitamin production. In the second step, a central composite design was used to optimize levels of medium components selected in the first step. Valid statistical models describing the influence of significant factors on vitamin B(12) production were established for each optimization phase. The optimized medium provided a 93% increase in final vitamin concentration compared to the original medium.
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Affiliation(s)
- Alicja Kośmider
- Department of Biotechnology and Food Microbiology, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 48, 60-627 Poznan, Poland.
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28
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Wang P, Wang Y, Liu Y, Shi H, Su Z. Novel in situ product removal technique for simultaneous production of propionic acid and vitamin B12 by expanded bed adsorption bioreactor. Bioresour Technol 2012; 104:652-659. [PMID: 22082511 DOI: 10.1016/j.biortech.2011.10.047] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Revised: 10/13/2011] [Accepted: 10/14/2011] [Indexed: 05/31/2023]
Abstract
A new type of in situ product removal (ISPR) technique of expanded bed adsorption (EBA) bioreactor was studied to simultaneously produce extracellular propionic acid and intracellular vitamin B12 by Propionibacterium freudenreichii CICC 10019. Resin screening experiments showed that the ZGA330 resin have the best biocompatibility and highest adsorption for propionic acid. Through the EBA bioreactor, propionic acid could be recovered efficiently by semi-continuous recirculation of the unfiltered broth, which eliminated the feedback inhibition of propionic acid. Fed-batch fermentation was carried out using the EBA system, resulting in a propionic acid concentration of 52.5 g L(-1) and vitamin B12 concentration of 43.04 mg L(-1) at 160 h, which correspond to product yields of 0.66 g g(-1) and 0.54 mg g(-1), respectively. The present study suggests that the EBA bioreactor can be utilized for the simple and economical production of propionic acid and vitamin B12 in a single fermentation process.
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Affiliation(s)
- Peng Wang
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, P.O. Box 353, Beijing 100190, PR China
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29
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Feng X, Chen F, Xu H, Wu B, Li H, Li S, Ouyang P. Green and economical production of propionic acid by Propionibacterium freudenreichii CCTCC M207015 in plant fibrous-bed bioreactor. Bioresour Technol 2011; 102:6141-6146. [PMID: 21421303 DOI: 10.1016/j.biortech.2011.02.087] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Revised: 02/19/2011] [Accepted: 02/21/2011] [Indexed: 05/30/2023]
Abstract
Propionic acid production by Propionibacterium freudenreichii from molasses and waste propionibacterium cells was studied in plant fibrous-bed bioreactor (PFB). With non-treated molasses as carbon source, 12.69 ± 0.40 g l(-1) of propionic acid was attained at 120 h in free-cell fermentation, whereas the PFB fermentation yielded 41.22 ± 2.06 g l(-1) at 120 h and faster cells growth was observed. In order to optimize the fermentation outcomes, fed-batch fermentation was performed with hydrolyzed molasses in PFB, giving 91.89 ± 4.59 g l(-1) of propionic acid at 254 h. Further studies were carried out using hydrolyzed waste propionibacterium cells as substitute nitrogen source, resulting in a propionic acid concentration of 79.81 ± 3.99 g l(-1) at 302 h. The present study suggests that the low-cost molasses and waste propionibacterium cells can be utilized for the green and economical production of propionic acid by P. freudenreichii.
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Affiliation(s)
- Xiaohai Feng
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing 210009, PR China
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30
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Wysocki P, Kwaszewska AK, Szewczyk EM. [Influence of substances produced by lipophilic Corynebacterium CDC G1 ZMF 3P13 on the microorganisms inhabiting human skin]. Med Dosw Mikrobiol 2011; 63:45-52. [PMID: 22184896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Lipophilic species of Corynebacterium inhabiting skin as residents produces substances that can regulate the composition of natural flora. Research that was carried out concerned an influence of the substances produced by Corynebacterium CDC G1 ZMF 3P13 on the set of 22 bacterial strains (Staphylococcus spp., Corynebacterium spp., Propionibacterium spp.) mutually existing on the skin and the set of 6 Candida spp. isolated from patients. It was found out that the strain gives off into environment a mixture of substances with opposite effects. In the course of research an inhibiting substance (BLIS) was isolated with its evident effect on S. aureus, S. epidermidis, C. diphtheriae i Propionibacterium spp.
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Affiliation(s)
- Piotr Wysocki
- Zakład Mikrobiologii Farmaceutycznej Uniwersytetu Medycznego w Łodzi
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31
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Kiatpapan P, Phonghatsabun M, Yamashita M, Murooka Y, Panbangred W. Production of 5-aminolevulinic acid by Propionibacterium acidipropionici TISTR442. J Biosci Bioeng 2010; 111:425-8. [PMID: 21185777 DOI: 10.1016/j.jbiosc.2010.11.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2010] [Revised: 11/08/2010] [Accepted: 11/23/2010] [Indexed: 11/19/2022]
Abstract
Propionibacterium acidipropionici TISTR442 produced the highest amount of 5-aminolevulinic acid (ALA) when cultivated in medium supplemented with glycine at 18g/l. ALA production correlated with ALA synthase activity, whereas ALA dehydratase activity was maintained at a low level. ALA yield reached 405mg/l after prolonged cultivation for 1 month.
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32
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Dherbécourt J, Bourlieu C, Maillard MB, Aubert-Frogerais L, Richoux R, Thierry A. Time course and specificity of lipolysis in Swiss cheese. J Agric Food Chem 2010; 58:11732-11739. [PMID: 20961108 DOI: 10.1021/jf102572z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Controlling lipolysis in cheese is necessary to ensure the formation of desirable flavor. To get a better understanding of the mechanism of lipolysis in Swiss cheese, cheeses were manufactured with and without (control) the addition of Propionibacterium freudenreichii. Products of lipolysis were quantified throughout ripening. Half of the free fatty acids (FFA) released in milk (3.66 mg/g fat), in particular the short-chain FFA, were lost in the whey during curd drainage, whereas diglycerides and monoglycerides were retained within the curd. P. freudenreichii was responsible for the release of most FFA during ripening (10.84 and 0.39 mg/g fat in propionibacteria-containing and control cheeses, respectively). Indices of lipolysis displayed low specificity. All types of FFA were released, but butyric and palmitic acids more significantly, which could be due to a low sn-1,3 regioselectivity. All glycerides were hydrolyzed in the following order: monoglycerides>diglycerides>triglycerides. The results of this study show the quantitative and qualitative contributions of the different lipolytic agents to Swiss cheese lipolysis.
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Zhang Y, Liu JZ, Huang JS, Mao ZW. Genome shuffling of Propionibacterium shermanii for improving vitamin B12 production and comparative proteome analysis. J Biotechnol 2010; 148:139-43. [PMID: 20553774 DOI: 10.1016/j.jbiotec.2010.05.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2009] [Revised: 03/20/2010] [Accepted: 05/20/2010] [Indexed: 11/17/2022]
Abstract
Genome shuffling is an efficient approach for the rapid improvement of microbial phenotype. Here we improved vitamin B12 production of Propionibacterium shermanii by genome shuffling based on inactivated protoplast fusion. A genome shuffling strain with titer of vitamin B12 of 2.85 mgl(-1), named Propionibacterium shermanii-F2-3, was obtained. The genome shuffled strain produced about 61% improvement of vitamin B12 over the parent strain after 96 h. Comparative analysis of proteome profile was conducted between Propionibacterium shermanii 17 and F2-3. The expression levels of 38 proteins varied significantly in the genome shuffled strain compared with those in the parent strain. Of these proteins, 22 proteins were up-regulated, 16 proteins were down-regulated. Of the up-regulated proteins, 6 proteins (glutaminyl-tRNA synthetase (GlnS), Delta-aminolevulinic acid dehydratase (HemB), methionine synthase (Meth), riboflavin synthase (RibE), phosphofructo kinase (PfkA) and isocitrate dehydrogenase (Icd) is involved in the vitamin B12 biosynthesis pathway. They may be the key enzymes of vitamin B12 biosynthesis.
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Affiliation(s)
- Ying Zhang
- Biotechnology Research Center and Key Laboratory of Gene Engineering of Ministry of Education, Key laboratory of Biocontrol, Sun Yat-Sen University, Guangzhou 510275, China
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34
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Ryzhkova EP, Briukhanov AL. [Effect of a corrinoid on Methanosarcina barkeri DNA synthesis]. Mikrobiologiia 2009; 78:5-11. [PMID: 19334592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Methanosarcina barkeri is capable of synthesizing large amounts of corrinoids, compounds of the vitamin B12 group, although not cobalamin. In the present work, exogenous cobalamin was demonstrated to upregulate DNA synthesis in M. harkeri cell suspensions incubated under air. The effect is similar to the one in Propionibacterium freudenreichii cells, though less pronounced. The growth of the archaeon under anaerobic conditions was shown to be suppressed by cobalamin and 5,6-dimethylbenzimidazole. The data obtained suggest the presence of a corrinoid-dependent ribonucleotide reductase in the archaeon cells which provides for deoxyribose precursors for DNA biosynthesis independently of the presence of molecular oxygen in the medium. Growth suppression under anoxic conditions by cobalamin and 5,6-dimethylbenzimidazole may be due to a decrease in the concentration of factor III, a polyfunctional corrinoid dominating in M. barkeri cells.
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Ma H, Wang L, Zhang C, Yi H. [Biosynthesis, fermentation and application of vitamin B12--a review]. Sheng Wu Gong Cheng Xue Bao 2008; 24:927-932. [PMID: 18807971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Vitamin B12 is an important nutrient widely used in feed, food and medicine field. China is the primary producing area and the VB12 production is 27 t in 2007, 77% of total production in the world. VB12 is the most complex small molecule difficult to chemosynthesize. It ismanufactured by bacteria and archaea via two alternative routes, aerobic or anaerobic pathway. The main strains used in industry fermentation are Propionibacterium freudenrechii and Pseudomonas denitrificans. The basic characteristics, biosynthesis and fermentation of vitamin B12 are reviewed. The vitamin B12 application and market are also summarized.
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Affiliation(s)
- Hui Ma
- College of Bioscience and Bioengineering, Hebei University of Science & Technology, Shijiazhuang 050018, China
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36
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Feng X, Wu B, Shen X, Xu H. [Propionic acid fermentation by Propionibacterium freudenreichii CCTCC M207015 with a fibrous-bed bioreactor]. Sheng Wu Gong Cheng Xue Bao 2008; 24:1075-1079. [PMID: 18807995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The production of propionic acid by Propionibacterium freudenreichii CCTCC M207015 was investigated in a Fibrous-bed bioreactor (FBB). The FBB was constructed by packing spiral cotton fibrous and immobilized into a bioreactor. By applying this bioreactor to propionic acid fermentation, the propionic acid yield had a significant improvement and reached 20.41 g/L, compared with the cell-free culture of 14.58 g/L (40 g/L of glucose). At the same time, the glucose exhausting time decreased from 120 h to 60 h. Batch fermentations at various glucose concentrations were carried out with FBB. Based on the analysis of the time course of production, fed-batch fermentation was also applied to produce propionic acid with FBB, the maximal propionic acid yield reached 45.91 g/L, and the proportion of propionic acid to total acids was about 72.31%.
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Affiliation(s)
- Xiaohai Feng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Life Science and Pharmacy, Nanjing University of Technology, Nanjing 210009, China
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Gwiazdowska D, Czaczyk K, Filipiak M, Gwiazdowski R. Effects of Propionibacterium on the growth and mycotoxin production by some species of Fusarium and Alternaria. Pol J Microbiol 2008; 57:205-212. [PMID: 19004241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023] Open
Abstract
The aim of this research was to study the antifungal properties of propionibacteria. Three fractions from cultures of Propionibacterium freudenreichii ssp. shermanii 41 and ssp. freudenreichii 111 (i.e. culture containing viable bacteria, cell-free supernatant and bacteriocin preparation) were tested for their ability to inhibit the growth and mycotoxin production of Alternaria alternata, Fusarium culmorum, Fusarium graminearum and Fusarium verticillioides. The growth of the fungi was monitored during cultivation using a plating method. The concentration of toxins produced was measured by HPLC on the 14th day of culture. Altenuene and tenuazonic acid were determined in cultures of A. alternata whilst concentration of nivalenol, deoxynivalenol, fumonisin B1 and zearalenone was measured in Fusarium cultures. The strongest inhibition of growth and toxin production was observed in the presence of cultures containing viable cells and supernatants obtained from propionibacteria cultures. The bacteriocin extracts generally had a weak fungistatic effect on the growth of A. alternata, F. culmorum and F. graminearum. Despite the fact that growth was slower in the presence of bacteriocin extracts than in control trials, none of the preparations prepared from the propionibacteria significantly reduced the level of mycotoxin production. The ability of P. freudenreichii ssp. freudenreichii 111 to remove zearalenone from liquid medium was also evaluated. It was shown that both viable and non-viable cells caused a decrease in zearalenone concentration in the medium.
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Affiliation(s)
- Daniela Gwiazdowska
- Department of Biochemistry and Microbiology, Poznań University of Economics, Poznań, Poland.
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Abstract
Propionibacteria produce tetrahydromenaquinone-9 [MK-9 (4H)] as a major menaquinone (vitamin K2). This study aimed to determine the MK-9 (4H) concentration in commercial propionibacteria-fermented cheese. The MK-9 (4H) concentration was quantified using an HPLC instrument with a fluorescence detector after postcolumn reduction. Among the various cheese samples, the MK-9 (4H) concentration was highest in Norwegian Jarlsberg cheese, followed by Swiss Emmental cheese. In contrast, the MK-9 (4H) concentrations in Appenzeller or Gruyère cheeses were extremely low or undetected. Likewise, the concentrations in Comte and Raclette cheeses were lower than those in Jarlsberg and Emmental cheeses. In the present study, the MK- 9 (4H) concentration in cheese showed a correlation with the viable propionibacterial cell count and propionate concentration. This implies that the increase in propionibacteria contributed to the generation of MK-9 (4H) in cheese. We presumed, based on these results, that Swiss Emmental and Norwegian Jarlsberg cheeses contain a meaningful amount of vitamin K because of their high MK-9 (4H) concentrations (200 to 650 ng/g).
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Affiliation(s)
- K Hojo
- Food Science Institute, Meiji Dairies Corporation, 540 Naruda, Odawara, Kanagawa 250-0862, Japan.
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39
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Abstract
The metabolic pathways leading from l-[2-13C]aspartic acid, [2-13C]glycine and l-[methyl-13C]methionine to vitamin B12 were investigated, focusing on the biosynthetic pathways leading to the aminopropanol moiety of vitamin B12 and on the role of the Shemin pathway leading to delta-aminolevulinic acid (a biosynthetic intermediate of tetrapyrrole), by means of feeding experiments with Propionibacterium shermanii in combination with 13C-NMR spectroscopy. The 13C-methylene carbons of l-[2-(13)C]aspartic acid, which is transformed to [2-13C]glycine via l-[2-13C]threonine, and [2-13C]glycine added to the culture medium served mainly to enrich the seven methyl carbons of the corrin ring through C-methylation by S-adenosyl-l-[methyl-13C]methionine derived from catabolically generated l-[methyl-13C]methionine in the presence of tetrahydrofolic acid. The results indicate that the catabolism of these amino acids predominates over pathways leading to (2R)-1-amino-2-propanol or delta-aminolevulinic acid in P. shermanii. Feeding of l-[methyl-13C]methionine efficiently enriched all seven methyl carbons. In the cases of [2-13C]glycine and l-[methyl-13C]methionine, the 13C-enrichment ratio of the methyl carbon at C-25 (the site of the first C-methylation) was less than those of the other six methyl carbons, probably due to the influence of endogenous d-glucose in P. shermanii. The almost identical 13C-enrichment ratios of the other six methyl carbons indicated that these C-methylations during vitamin B12 biosynthesis were completed before the amino acids were completely consumed. However, in the case of l-[2-13C]aspartic acid, the 13C-enrichment ratios of five methyl carbons were low and similar, whereas the last two sites of C-methylation (C-53 and C-35) were not labeled, presumably because of complete consumption of the smaller amount of added label. The ratios of 13C-incorporation into the seven methyl carbons are influenced by the conditions of amino acid feeding experiments in a manner that is dependent upon the order of C-methylation in the corrin ring of vitamin B12.
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Affiliation(s)
- Katsumi Iida
- Department of Medicinal Chemistry, Meiji Pharmaceutical University, Tokyo, Japan.
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Vanberg C, Lutnaes BF, Langsrud T, Nes IF, Holo H. Propionibacterium jensenii produces the polyene pigment granadaene and has hemolytic properties similar to those of Streptococcus agalactiae. Appl Environ Microbiol 2007; 73:5501-6. [PMID: 17630313 PMCID: PMC2042088 DOI: 10.1128/aem.00545-07] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The red polyene pigment granadaene was purified and identified from Propionibacterium jensenii. Granadaene has previously been identified only in Streptococcus agalactiae, where the pigment correlates with the hemolytic activity of the bacterium. A connection between hemolytic activity and the production of the red pigment has also been observed in P. jensenii, as nonpigmented strains are nonhemolytic. The pigment and hemolytic activity from S. agalactiae can be extracted from the bacterium with a starch extraction solution, and this solution also extracts the pigment and hemolytic activity from P. jensenii. A partial purification of the hemolytic activity was achieved, but the requirement for starch to preserve its activity made the purification unsuccessful. Partially purified hemolytic fractions were pigmented, and the color intensity of the fractions coincided with the hemolytic titer. The pigment was produced in a soluble form when associated with starch, and the UV-visual spectrum of the extract gave absorption peaks of 463 nm, 492 nm, and 524 nm. The pigment could also be extracted from the cells by a low-salt buffer, but it was then aggregated. The purification of the pigment from P. jensenii was performed, and mass spectrometry and nuclear magnetic resonance analysis revealed that P. jensenii indeed produces granadaene as seen in S. agalactiae.
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Affiliation(s)
- Christin Vanberg
- Laboratory of Microbial Gene Technology and Food Microbiology, Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, N-1432 As, Norway.
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Ren NQ, Chua H, Chan SY, Tsang YF, Wang YJ, Sin N. Assessing optimal fermentation type for bio-hydrogen production in continuous-flow acidogenic reactors. Bioresour Technol 2007; 98:1774-80. [PMID: 16935495 DOI: 10.1016/j.biortech.2006.07.026] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2006] [Revised: 07/03/2006] [Accepted: 07/03/2006] [Indexed: 05/11/2023]
Abstract
In this study, the optimal fermentation type and the operating conditions of anaerobic process in continuous-flow acidogenic reactors was investigated for the maximization of bio-hydrogen production using mixed cultures. Butyric acid type fermentation occurred at pH>6, propionic acid type fermentation occurred at pH about 5.5 with E(h) (redox potential) >-278mV, and ethanol-type fermentation occurred at pH<4.5. The representative strains of these fermentations were Clostridium sp., Propionibacterium sp. and Bacteriodes sp., respectively. Ethanol fermentation was optimal type by comparing the operating stabilities and hydrogen production capacities between the fermentation types, which remained stable when the organic loading rate (OLR) reached the highest OLR at 86.1kgCOD/m(3)d. The maximum hydrogen production reached up to 14.99L/d.
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Affiliation(s)
- N Q Ren
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
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Iida K, Ohtaka K, Kajiwara M. Mechanism of the ring contraction process in vitamin B12 biosynthesis by the anaerobe Propionibacterium shermanii under aerobic conditions. FEBS J 2007; 274:3475-81. [PMID: 17561959 DOI: 10.1111/j.1742-4658.2007.05880.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The mechanism of the ring contraction process during vitamin B(12) biosynthesis by the anaerobe Propionibacterium shermanii was investigated under both aerobic and anaerobic conditions by means of feeding experiments with delta-amino[1-(13)C]levulinic acid (a biosynthetic intermediate of tetrapyrrole) and delta-amino[1-(13)C,1,1,4-(18)O(3)]levulinic acid in combination with (13)C-NMR spectroscopy. We showed that the characteristic mechanism of the ring contraction process (the generation of precorrin-3x from formation of the gamma-lactone from the ring A acetate group at C1 and hydroxylation at C20 by molecular oxygen catalyzed by CobG, and the migration of ring D by cleavage of the carbon-oxygen bond at C1 of precorrin-3x) in the aerobe Pseudomonas denitrificans was not seen in P. shermanii under aerobic conditions, and the mechanism of the ring contraction process in P. shermanii was the same irrespective of the presence or absence of oxygen.
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Affiliation(s)
- Katsumi Iida
- Department of Medicinal Chemistry, Meiji Pharmaceutical University, Kiyose-shi, Tokyo, Japan.
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Lan A, Bruneau A, Philippe C, Rochet V, Rouault A, Hervé C, Roland N, Rabot S, Jan G. Survival and metabolic activity of selected strains of Propionibacterium freudenreichii in the gastrointestinal tract of human microbiota-associated rats. Br J Nutr 2007; 97:714-24. [PMID: 17349084 DOI: 10.1017/s0007114507433001] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
In addition to their use in cheese technology, dairy propionibacteria have been identified as potential probiotics. However, to have a probiotic effect, propionibacteria have to survive and to remain metabolically active in the digestive tract. The aim of the present study was to investigate the survival and metabolic activity of Propionibacterium freudenreichii within the gastrointestinal tract of human microbiota-associated rats, and its influence on intestinal microbiota composition and metabolism. Twenty-five dairy Propionibacterium strains were screened for their tolerance towards digestive stresses and their ability to produce propionate in a medium mimicking the content of the human colon. Three strains were selected and a daily dose of 2 x 10(10) colony-forming units was fed to groups of human microbiota-associated rats for 20 d before microbiological, biochemical and molecular investigations being carried out. These strains all reached 8-log values per g faeces, showing their ability to survive in the gastrointestinal tract. Transcriptional activity within the intestine was demonstrated by the presence of P. freudenreichii-specific transcarboxylase mRNA. The probiotic efficacy of propionibacteria was yet species- and strain-dependent. Indeed, two of the strains, namely TL133 and TL1348, altered the faecal microbiota composition, TL133 also increasing the caecal concentration of acetate, propionate and butyrate, while the third strain, TL3, did not have similar effects. Such alterations may have an impact on gut health and will thus be taken into consideration for further in vivo investigations on probiotic potentialities of P. freudenreichii.
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Affiliation(s)
- Annaïg Lan
- INRA, Agrocampus Rennes, UMR1253, Science et Technologie du Lait et de I'Oeuf, F-35000 Rennes, France.
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Abstract
Antifungal compounds from cultures of five type strains of dairy propionibacteria, as well as from the cultivation medium, were studied. Cell-free supernatants and medium were fractionated by C(18) solid phase extraction. The aqueous 95% acetonitrile fractions were analyzed by GC-MS or subjected to reversed-phase HPLC, to identify, quantify or isolate antifungal substances. The resulting HPLC fractions were screened for antifungal activity against the mold Aspergillus fumigatus and the yeast Rhodotorula mucilaginosa. Active fractions were further separated by HPLC and the structures of the compounds were determined by spectroscopic and chromatographic methods. All five strains produced 3-phenyllactic acid, at concentrations ranging from 1.0 microg mL(-1) (Propionibacterium freudenreichii ssp. shermanii) to 15.1 microg mL(-1) (Propionibacterium thoenii), and at L/D -ratios ranging from 2 : 3 (Propionibacterium acidipropionici) to 9 : 1 (Propionibacterium freudenreichii). A number of active compounds found in cultures of propionibacteria were also present in noninoculated growth medium: two antifungal diketopiperazines, cyclo(L-Phe-L-Pro) and cyclo(L-Ile-L-Pro), and seven antifungal linear peptides. Three of the linear peptides corresponded to sequences found in the medium component casein, suggesting their origin from this component, whereas the diketopiperazines were suggested to be formed from medium peptides by heat treatment.
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Affiliation(s)
- Helena Lind
- Department of Microbiology, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Furuichi K, Katakura Y, Ninomiya K, Shioya S. Enhancement of 1,4-dihydroxy-2-naphthoic acid production by Propionibacterium freudenreichii ET-3 fed-batch culture. Appl Environ Microbiol 2007; 73:3137-43. [PMID: 17369348 PMCID: PMC1907098 DOI: 10.1128/aem.01307-06] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The production of 1,4-dihydroxy-2-naphthoic acid (DHNA) was investigated using a fed-batch culture of Propionibacterium freudenreichii ET-3. DHNA is a precursor of menaquinone (MK) and is transformed to MK by combination with an isoprenoid unit. We found that ET-3 stopped MK production and increased DHNA production in an anaerobic fed-batch culture by maintaining the lactose concentration at approximately zero. The maximum DHNA concentration observed in the anaerobic fed-batch culture was markedly higher than the maximum DHNA concentration observed in an anaerobic batch culture. Moreover, MK or DHNA production was affected by the lactose feeding rate; this suggests that lactose metabolism participates in the syntheses of these products. On the other hand, accumulation of propionate was found to inhibit DHNA production in the fed-batch culture. Based on the fact that ET-3 increases DHNA production in an aerobic culture by consuming propionate, we carried out a cultivation experiment in which an anaerobic fed-batch culture was switched to an anaerobic batch culture and found that the DHNA production was increased to a greater extent than the DHNA production in an anaerobic fed-batch culture. These results suggest that DHNA production by ET-3 is markedly influenced by carbon source limitation and the oxygen supply.
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Affiliation(s)
- Keisuke Furuichi
- Food Technology Research Institute, Meiji Dairies Corporation, 540 Naruda, Odawara, Kanagawa 250-0862, Japan.
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Lan A, Lagadic-Gossmann D, Lemaire C, Brenner C, Jan G. Acidic extracellular pH shifts colorectal cancer cell death from apoptosis to necrosis upon exposure to propionate and acetate, major end-products of the human probiotic propionibacteria. Apoptosis 2006; 12:573-91. [PMID: 17195096 DOI: 10.1007/s10495-006-0010-3] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2006] [Accepted: 10/11/2006] [Indexed: 01/07/2023]
Abstract
The human probiotic Propionibacterium freudenreichii kills colorectal adenocarcinoma cells through apoptosis in vitro via its metabolites, the short chain fatty acids (SCFA), acetate and propionate. However, the precise mechanisms, the kinetics of cellular events and the impact of environmental factors such as pH remained to be specified. For the first time, this study demonstrates a major impact of a shift in extracellular pH on the mode of propionibacterial SCFA-induced cell death of HT-29 cells, in the pH range 5.5 to 7.5 prevailing within the colon. Propionibacterial SCFA triggered apoptosis in the pH range 6.0 to 7.5, a lethal process lasting more than 96 h. Indeed at pH 7.5, SCFA induced cell cycle arrest in the G2/M phase, followed by a sequence of cellular events characteristic of apoptosis. By contrast, at pH 5.5, the same SCFA triggered a more rapid and drastic lethal process in less than 24 h. This was characterised by sudden mitochondrial depolarisation, inner membrane permeabilisation, drastic depletion in ATP levels and ROS accumulation, suggesting death by necrosis. Thus, in digestive cancer prophylaxis, the observed pH-mediated switch between apoptosis and necrosis has to be taken into account in strategies involving SCFA production by propionibacteria to kill colon cancer cells.
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Affiliation(s)
- Annaïg Lan
- UMR 1253 INRA Agrocampus, Science & Technologie du Lait et de l'Oeuf, Rennes cedex, France
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Treimo J, Vegarud G, Langsrud T, Rudi K. Use of DNA quantification to measure growth and autolysis of Lactococcus and Propionibacterium spp. in mixed populations. Appl Environ Microbiol 2006; 72:6174-82. [PMID: 16957244 PMCID: PMC1563649 DOI: 10.1128/aem.00515-06] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Autolysis is self-degradation of the bacterial cell wall that results in the release of enzymes and DNA. Autolysis of starter bacteria, such as lactococci and propionibacteria, is essential for cheese ripening, but our understanding of this important process is limited. This is mainly because the current tools for measuring autolysis cannot readily be used for analysis of bacteria in mixed populations. We have now addressed this problem by species-specific detection and quantification of free DNA released during autolysis. This was done by use of 16S rRNA gene single-nucleotide extension probes in combination with competitive PCR. We analyzed pure and mixed populations of Lactococcus lactis subsp. lactis and three different species of Propionibacterium. Results showed that L. lactis subsp. lactis INF L2 autolyzed first, followed by Propionibacterium acidipropionici ATCC 4965, Propionibacterium freudenreichii ISU P59, and then Propionibacterium jensenii INF P303. We also investigated the autolytic effect of rennet (commonly used in cheese production). We found that the effect was highly strain specific, with all the strains responding differently. Finally, autolysis of L. lactis subsp. lactis INF L2 and P. freudenreichii ISU P59 was analyzed in a liquid cheese model. Autolysis was detected later in this cheese model system than in broth media. A challenge with DNA, however, is DNA degradation. We addressed this challenge by using a DNA degradation marker. We obtained a good correlation between the degradation of the marker and the target in a model experiment. We conclude that our DNA approach will be a valuable tool for use in future analyses and for understanding autolysis in mixed bacterial populations.
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Affiliation(s)
- Janneke Treimo
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, N-1432 As, Norway.
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Dherbécourt J, Thierry A, Madec MN, Lortal S. Comparison of amplified ribosomal DNA restriction analysis, peptidoglycan hydrolase and biochemical profiles for rapid dairy propionibacteria species identification. Res Microbiol 2006; 157:905-13. [PMID: 17125974 DOI: 10.1016/j.resmic.2006.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Revised: 07/23/2006] [Accepted: 09/01/2006] [Indexed: 11/24/2022]
Abstract
Species of dairy propionibacteria are used as cheese-ripening cultures as well as probiotics. However, no rapid identification methods are currently available. With this in mind, the present study compared three methods, (i) carbohydrate fermentation, (ii) ARDRA (amplified ribosomal DNA restriction analysis) and (iii) peptidoglycan hydrolase (PGH) activity profiles to improve the identification of Propionibacterium thoenii, Propionibacterium jensenii, Propionibacterium acidipropionici and Propionibacterium microaerophilum. The species Propionibacterium freudenreichii and Propionibacterium cyclohexanicum have previously been shown to be easily distinguishable from the other species. Principal component analysis of the carbohydrate fermentation profiles of 113 P. thoenii, P. jensenii, P. acidipropionici and P. microaerophilum strains correctly classified 85% of the strains based on the fermentation of seven carbohydrates. Regarding PGH profiles, optimized conditions of PGH-renaturing SDS-PAGE were applied to 34 of the strains. The PGH profiles of P. acidipropionici and P. microaerophilum were indistinguishable from one another, but were easily distinguished from P. jensenii and P. thoenii. However, four strains exhibited atypical profiles. Hence, in general, the PGH profiles were shown to be conserved within a species, with some exceptions. Four endonucleases were tested for ARDRA and the four species differentiated by combining the profiles obtained with MspI and HaeIII. P. freudenreichii and P. cyclohexanicum profiles were also performed but showed wide differences. Consequently, ARDRA was shown to be the most appropriate method for rapidly distinguishing strains of propionibacteria. Carbohydrate fermentation and peptidoglycan hydrolase activity profiles are useful as complementary identification tools, since about 15% of the 34 strains tested showed atypical profiles.
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Affiliation(s)
- Julien Dherbécourt
- UMR 1253 Science et Technologie du Lait et de l'oeuf, Inra-Agrocampus Rennes, 65 rue de St-Brieuc, 35042 Rennes Cedex, France
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Furuichi K, Hojo KI, Katakura Y, Ninomiya K, Shioya S. Aerobic culture of Propionibacterium freudenreichii ET-3 can increase production ratio of 1,4-dihydroxy-2-naphthoic acid to menaquinone. J Biosci Bioeng 2006; 101:464-70. [PMID: 16935247 DOI: 10.1263/jbb.101.464] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2006] [Accepted: 03/10/2006] [Indexed: 11/17/2022]
Abstract
This is the first report on the production of both 1,4-dihydroxy-2-naphthoic acid (DHNA) and menaquinone by Propionibacterium freudenreichii ET-3. DHNA can be a stimulator of bifidogenic growth, and menaquinone has important roles in blood coagulation and bone metabolism. During anaerobic culture, DHNA and menaquinone concentrations reached 0.18 mM and 0.12 mM, respectively. The molar ratio between these products was approximately 3:2, which was not affected by culture pH and temperature over the ranges of 6.0-7.0 and 31-35 degrees C, respectively. As for organic acid, propionate and acetate accumulated at concentrations of 0.3 M and 0.15 M, respectively, and the propionate accumulation particularly inhibited further production of DHNA. To improve DHNA production, we switched from anaerobic condition to aerobic condition during the culture when lactose was depleted. DHNA concentration continued to increase even after lactose exhaustion, reaching 0.24 mM. In contrast to DHNA production, menaquinone production stopped after the switch to aerobic condition. The total molar production of DHNA and menaquinone was 0.3 mM irrespective of aerobic culture and anaerobic-aerobic switching culture. Therefore, the anaerobic-aerobic switching culture could increase the production ratio of DHNA to menaquinone. The DHNA concentration obtained from the anaerobic-aerobic switching culture was 1.3-fold higher than that in the anaerobic culture, because P. freudenreichii ET-3 utilized propionate accumulated in the medium via the reversed methylmalonyl CoA pathway under aerobic condition. The culture method proposed in this study could be applicable to industrial-scale fermentation using 1000 l of media, by which 0.23 mM DHNA was produced.
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Affiliation(s)
- Keisuke Furuichi
- Food Technology Research Institute, Meiji Dairies Corporation, 540 Naruda, Odawara, Kanagawa 250-0862, Japan
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