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Koga T, Ishizu M, Watanabe K, Miyamoto H, Oshiro M, Sakai K, Tashiro Y. Dilution rates and their transition modes influence organic acid productivity and bacterial community structure on continuous meta-fermentation using complex microorganisms. J Biosci Bioeng 2023; 136:391-399. [PMID: 37735063 DOI: 10.1016/j.jbiosc.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 09/23/2023]
Abstract
We investigated the effect of dilution rates (D) (0.05, 0.15, and 0.4 h-1) and its transition mode strategies (constant, up, and down modes) on organic acid productivity and bacterial community structure on continuous meta-fermentation using complex microorganisms. The number of bacterial species decreased with increasing D in the constant mode while up and down modes maintained high and low values, respectively, regardless of the changing D values. Caldibacillus hisashii was the predominant species in all modes at all D values, while other bacterial species, including Anaerosalibacter bizertensis and Clostridium cochlearium were predominant in only certain modes and D values. The highest total organic acid productivity of 3.16 g L-1 h-1 was obtained with 82.2% lactic acid selectivity at D = 0.4 h⁻1 in constant mode. Heterofermentation occurred in the up mode, while the down mode exhibited the maximum butyric acid productivity of 0.348 g L-1 h-1 with 43.8% selectivity at D = 0.05 h-1. The constant, up, and down modes showed the distinct main products of lactic, acetic and formic, and butyric acids, respectively. In this study, we proposed a new parameter of species-specific productivity (SSP) to estimate which species and how much a bacterium quantitatively contributes to the targeted organic acid productivity in continuous meta-fermentation. SSP was determined based on the abundance of functional genes encoding key enzymes from the results of 16S amplicon analysis. In conclusion, D values and their transition modes affect productivity by changing the bacterial community structure, and are a significant factor in establishing a highly productive process in continuous meta-fermentation.
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Affiliation(s)
- Tomonori Koga
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Mitsuoki Ishizu
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Kota Watanabe
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Hirokuni Miyamoto
- Graduate School of Horticulture, Chiba University, Chiba 271-8510, Japan; Sermas Co., Ltd., Chiba 272-0015, Japan; Japan Eco-science (Nikkan Kagaku) Co. Ltd., Chiba 263-8522, Japan
| | - Mugihito Oshiro
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Kenji Sakai
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan; Laboratory of Microbial Environmental Protection, Tropical Microbiology Unit, Center for International Education and Research of Agriculture, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Yukihiro Tashiro
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University, Fukuoka 819-0395, Japan; Laboratory of Microbial Environmental Protection, Tropical Microbiology Unit, Center for International Education and Research of Agriculture, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan.
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Yue S, Zhang M. Global trends and future prospects of lactic acid production from lignocellulosic biomass. RSC Adv 2023; 13:32699-32712. [PMID: 37942446 PMCID: PMC10628742 DOI: 10.1039/d3ra06577d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023] Open
Abstract
Lignocellulosic biomass (LCB) stands as a substantial and sustainable resource capable of addressing energy and environmental challenges. This study employs bibliometric analysis to investigate research trends in lactic acid (LA) production from LCB spanning the years 1991 to 2022. The analysis reveals a consistent growth trajectory with minor fluctuations in LA production from LCB. Notably, there's a significant upswing in publications since 2009. Bioresource Technology and Applied Microbiology and Biotechnology emerge as the top two journals with extensive contributions in the realm of LA production from LCB. China takes a prominent position in this research domain, boasting the highest total publication count (736), betweenness centrality value (0.30), and the number of collaborating countries (42), surpassing the USA and Japan by a considerable margin. The author keywords analysis provides valuable insights into the core themes in LA production from LCB. Furthermore, co-citation reference analysis delineates four principal domains related to LA production from LCB, with three associated with microbial conversion and one focused on chemical catalytic conversion. Additionally, this study examines commonly used LCB, microbial LA producers, and compares microbial fermentation to chemical catalytic conversion for LCB-based LA production, providing comprehensive insights into the current state of this field and suggesting future research directions.
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Affiliation(s)
- Siyuan Yue
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University Fukuoka 819-0395 Japan
- Institute of Microbiology, Jiangxi Academy of Sciences Nanchang Jiangxi Province 330096 China
| | - Min Zhang
- Laboratory of Soil and Environmental Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresources and Bioenvironmental Sciences, Kyushu University Fukuoka 819-0395 Japan
- Jiangxi Copper Technology Research Institute, Jiangxi Copper Corporation Nanchang Jiangxi Province 330096 China
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Ito K, Miyamoto H, Matsuura M, Ishii C, Tsuboi A, Tsuji N, Nakaguma T, Nakanishi Y, Kato T, Suda W, Honda F, Ito T, Moriya S, Shima H, Michibata R, Yamada R, Takahashi Y, Koga H, Kodama H, Watanabe Y, Kikuchi J, Ohno H. Noninvasive fecal metabolic profiling for the evaluation of characteristics of thermostable lactic acid bacteria, Weizmannia coagulans SANK70258, for broiler chickens. J Biosci Bioeng 2022; 134:105-115. [PMID: 35718655 DOI: 10.1016/j.jbiosc.2022.05.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 04/13/2022] [Accepted: 05/20/2022] [Indexed: 12/01/2022]
Abstract
Weizmannia coagulans SANK70258 is a spore-forming thermostable lactic acid bacterium and an effective probiotic for the growth of livestock animals, but its growth-promoting mechanism remains unclear. Here, the composition of fecal metabolites in broilers continuously administered with W. coagulans SANK70258 was assessed under a regular program with antibiotics, which was transiently given for 6 days after birth. Oral administration of W. coagulans to broiler chicks tended to increase the average daily gain of body weights thereafter. The composition of fecal metabolites in the early chick stage (Day 10 after birth) was dramatically altered by the continuous exposure. The levels of short-chain fatty acids (SCFAs) propionate and butyrate markedly increased, while those of acetate, one of the SCFAs, and lactate were reduced. Simultaneously, arabitol, fructose, mannitol, and erythritol, which are carbohydrates as substrates for gut microbes to produce SCFAs, also increased along with altered correlation. Correlation network analyses classified the modularity clusters (|r| > 0.7) among carbohydrates, SCFAs, lactate, amino acids, and the other metabolites under the two conditions. The characteristic diversities by the exposure were visualized beyond the perspective associated with differences in metabolite concentrations. Further, enrichment pathway analyses showed that metabolic composition related to biosynthesis and/or metabolism for SCFAs, amino acids, and energy were activated. Thus, these observations suggest that W. coagulans SANK70258 dramatically modulates the gut metabolism of the broiler chicks, and the metabolomics profiles during the early chick stages may be associated with growth promotion.
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Affiliation(s)
- Kayo Ito
- Chiba Prefectural Livestock Research Center, Yachimata, Chiba 289-1113, Japan
| | - Hirokuni Miyamoto
- Graduate School of Horticulture, Chiba University, Matsudo, Chiba 271-8501, Japan; Sermas Co., Ltd., Chiba 263-8522, Japan; Japan Eco-science (Nikkan Kagaku) Co. Ltd., Chiba 263-8522, Japan; RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan.
| | - Makiko Matsuura
- Graduate School of Horticulture, Chiba University, Matsudo, Chiba 271-8501, Japan; Sermas Co., Ltd., Chiba 263-8522, Japan
| | - Chitose Ishii
- Sermas Co., Ltd., Chiba 263-8522, Japan; RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan
| | - Arisa Tsuboi
- Graduate School of Horticulture, Chiba University, Matsudo, Chiba 271-8501, Japan; Sermas Co., Ltd., Chiba 263-8522, Japan; Japan Eco-science (Nikkan Kagaku) Co. Ltd., Chiba 263-8522, Japan; RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, Japan
| | | | - Teruno Nakaguma
- Graduate School of Horticulture, Chiba University, Matsudo, Chiba 271-8501, Japan; Sermas Co., Ltd., Chiba 263-8522, Japan; Japan Eco-science (Nikkan Kagaku) Co. Ltd., Chiba 263-8522, Japan
| | - Yumiko Nakanishi
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan
| | - Tamotsu Kato
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan
| | - Wataru Suda
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan
| | - Fuyuko Honda
- Chiba Prefectural Livestock Research Center, Yachimata, Chiba 289-1113, Japan
| | - Toshiyuki Ito
- Keiyo Gas Energy Solution Co. Ltd., Ichikawa, Chiba 272-0015, Japan
| | - Shigeharu Moriya
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, Japan
| | - Hideaki Shima
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, Japan
| | | | - Ryouichi Yamada
- Mitsubishi Chemical Corp., Marunouchi, Tokyo 100-8251, Japan
| | | | - Hirohisa Koga
- Mitsubishi Chemical Corp., Marunouchi, Tokyo 100-8251, Japan
| | - Hiroaki Kodama
- Graduate School of Horticulture, Chiba University, Matsudo, Chiba 271-8501, Japan; Sermas Co., Ltd., Chiba 263-8522, Japan
| | - Yuko Watanabe
- Mitsubishi Chemical Corp., Marunouchi, Tokyo 100-8251, Japan
| | - Jun Kikuchi
- RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, Japan
| | - Hiroshi Ohno
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa 230-0045, Japan
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