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Wei L, Wang B, Bai J, Zhang Y, Liu C, Suo H, Wang C. Postbiotics are a candidate for new functional foods. Food Chem X 2024; 23:101650. [PMID: 39113733 PMCID: PMC11304867 DOI: 10.1016/j.fochx.2024.101650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 08/10/2024] Open
Abstract
Accumulating studies have highlighted the great potential of postbiotics in alleviating diseases and protecting host health. Compared with traditional functional foods (such as probiotics and prebiotics), postbiotics have the advantages of a single composition, high physiological activity, long shelf life, easy absorption, and high targeting, etc. The development of postbiotics has led to a wide range of potential applications in functional food and drug development. However, the lack of clinical trial data, mechanism analyses, safety evaluations, and effective regulatory frameworks has limited the application of postbiotic products. This review describes the definition, classification, sources, and preparation methods of postbiotics, the progress and mechanism of preclinical and clinical research in improving host diseases, and their application in food. Strengthen understanding of the recognition and development of related products to lay a theoretical foundation.
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Affiliation(s)
- Li Wei
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Botao Wang
- Bloomage Biotechnology CO, LTD, Jinan, Shandong 250000, China
| | - Junying Bai
- Citrus Research Institute, Southwest University, Chongqing 400700, China
| | - Yuyan Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Cuiping Liu
- Department of Radiology, Yuxi Children's Hospital, Yuxi, Yunnan 653100, China
| | - Huayi Suo
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Chen Wang
- College of Food Science, Southwest University, Chongqing 400715, China
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Huang XY, Ye XP, Hu YY, Tang ZX, Zhang T, Zhou H, Zhou T, Bai XL, Pi EX, Xie BH, Shi LE. Exopolysaccharides of Paenibacillus polymyxa: A review. Int J Biol Macromol 2024; 261:129663. [PMID: 38278396 DOI: 10.1016/j.ijbiomac.2024.129663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/30/2023] [Accepted: 01/19/2024] [Indexed: 01/28/2024]
Abstract
Paenibacillus polymyxa (P. polymyxa) is a member of the genus Paenibacillus, which is a rod-shaped, spore-forming gram-positive bacterium. P. polymyxa is a source of many metabolically active substances, including polypeptides, volatile organic compounds, phytohormone, hydrolytic enzymes, exopolysaccharide (EPS), etc. Due to the wide range of compounds that it produces, P. polymyxa has been extensively studied as a plant growth promoting bacterium which provides a direct benefit to plants through the improvement of N fixation from the atmosphere and enhancement of the solubilization of phosphorus and the uptake of iron in the soil, and phytohormones production. Among the metabolites from P. polymyxa, EPS exhibits many activities, for example, antioxidant, immunomodulating, anti-tumor and many others. EPS has various applications in food, agriculture, environmental protection. Particularly, in the field of sustainable agriculture, P. polymyxa EPS can be served as a biofilm to colonize microbes, and also can act as a nutrient sink on the roots of plants in the rhizosphere. Therefore, this paper would provide a comprehensive review of the advancements of diverse aspects of EPS from P. polymyxa, including the production, extraction, structure, biosynthesis, bioactivity and applications, etc. It would provide a direction for future research on P. polymyxa EPS.
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Affiliation(s)
- Xuan-Ya Huang
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xin-Pei Ye
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Yan-Yu Hu
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Zhen-Xing Tang
- School of Culinary Art, Tourism College of Zhejiang, Hangzhou, Zhejiang 311231, China
| | - Tian Zhang
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Hai Zhou
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Ting Zhou
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xue-Lian Bai
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Er-Xu Pi
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Bing-Hua Xie
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.
| | - Lu-E Shi
- School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.
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Zhao Y, Liu T, Wu S, Zhang D, Xiao Z, Ren Z, Li L, Liu S, Xiao Y, Tang Q. Insight into the soil bacterial community succession of Nicotiana benthamiana in response to Tobacco mosaic virus. Front Microbiol 2024; 15:1341296. [PMID: 38357345 PMCID: PMC10864551 DOI: 10.3389/fmicb.2024.1341296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/15/2024] [Indexed: 02/16/2024] Open
Abstract
Background Tobacco mosaic virus (TMV) is one famous plant virus responsible for substantial economic losses worldwide. However, the roles of bacterial communities in response to TMV in the tobacco rhizosphere remain unclear. Methods We explored the soil physicochemical properties and bacterial community succession of the healthy (YTH) and diseased (YTD) plants with TMV infection by 16S rRNA gene sequencing and bioinformatics analysis. Results We found that soil pH in the YTD group was significantly lower than in the YTH group, and the soil available nutrients were substantially higher. The bacterial community analysis found that the diversity and structure significantly differed post-TMV disease onset. With TMV inoculated, the alpha diversity of the bacterial community in the YTD was markedly higher than that in the YTH group at the early stage. However, the alpha diversity in the YTD group subsequently decreased to lower than in the YTH group. The early bacterial structure of healthy plants exhibited higher susceptibility to TMV infection, whereas, in the subsequent stages, there was an enrichment of beneficial bacterial (e.g., Ramlibacter, Sphingomonas, Streptomyces, and Niastella) and enhanced energy metabolism and nucleotide metabolism in bacteria. Conclusion The initial soil bacterial community exhibited susceptibility to TMV infection, which might contribute to strengthening resistance of Tobacco to TMV.
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Affiliation(s)
- Yuqiang Zhao
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | | | | | - Deyong Zhang
- Institute of Plant Protection, Hunan Academy of Agricultural Sciences, Changsha, China
| | | | - Zuohua Ren
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Lingling Li
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Suoni Liu
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Yunhua Xiao
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Qianjun Tang
- College of Plant Protection and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
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Wongdee J, Piromyou P, Songwattana P, Greetatorn T, Boonkerd N, Teaumroong N, Giraud E, Gully D, Nouwen N, Kiatponglarp W, Tanthanuch W, Tittabutr P. Exploring the cellular surface polysaccharide and root nodule symbiosis characteristics of the rpoN mutants of Bradyrhizobium sp. DOA9 using synchrotron-based Fourier transform infrared microspectroscopy in conjunction with X-ray absorption spectroscopy. Microbiol Spectr 2023; 11:e0194723. [PMID: 37681944 PMCID: PMC10581086 DOI: 10.1128/spectrum.01947-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 07/09/2023] [Indexed: 09/09/2023] Open
Abstract
The functional significance of rpoN genes that encode two sigma factors in the Bradyrhizobium sp. strain DOA9 has been reported to affect colony formation, root nodulation characteristics, and symbiotic interactions with Aeschynomene americana. rpoN mutant strains are defective in cellular surface polysaccharide (CSP) production compared with the wild-type (WT) strain, and they accordingly exhibit smaller colonies and diminished symbiotic effectiveness. To gain deeper insights into the changes in CSP composition and the nodules of rpoN mutants, we employed synchrotron-based Fourier transform infrared (SR-FTIR) microspectroscopy and X-ray absorption spectroscopy. FTIR analysis of the CSP revealed the absence of specific components in the rpoN mutants, including lipids, carboxylic groups, polysaccharide-pyranose rings, and β-galactopyranosyl residues. Nodules formed by DOA9WT exhibited a uniform distribution of lipids, proteins, and carbohydrates; mutant strains, particularly DOA9∆rpoNp:ΩrpoNc, exhibited decreased distribution uniformity and a lower concentration of C=O groups. Furthermore, Fe K-edge X-ray absorption near-edge structure and extended X-ray absorption fine structure analyses revealed deficiencies in the nitrogenase enzyme in the nodules of DOA9∆rpoNc and DOA9∆rpoNp:ΩrpoNc mutants; nodules from DOA9WT and DOA9∆rpoNp exhibited both leghemoglobin and the nitrogenase enzyme. IMPORTANCE This work provides valuable insights into how two rpoN genes affect the composition of cellular surface polysaccharides (CSPs) in Bradyrhizobium sp., which subsequently dictates root nodule chemical characteristics and nitrogenase production. We used advanced synchrotron methods, including synchrotron-based Fourier transform infrared (SR-FTIR) microspectroscopy and X-ray absorption spectroscopy (XAS), for the first time in this field to analyze CSP components and reveal the biochemical changes occurring within nodules. These cutting-edge techniques confer significant advantages by providing detailed molecular information, enabling the identification of specific functional groups, chemical bonds, and biomolecule changes. This research not only contributes to our understanding of plant-microbe interactions but also establishes a foundation for future investigations and potential applications in this field. The combined use of the synchrotron-based FTIR and XAS techniques represents a significant advancement in facilitating a comprehensive exploration of bacterial CSPs and their implications in plant-microbe interactions.
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Affiliation(s)
- Jenjira Wongdee
- Institute of Research and Development, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Pongdet Piromyou
- Institute of Research and Development, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Pongpan Songwattana
- Institute of Research and Development, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Teerana Greetatorn
- Institute of Research and Development, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Nantakorn Boonkerd
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Neung Teaumroong
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
| | - Eric Giraud
- IRD, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Plant Health Institute of Montpellier, UMR-PHIM, Montpellier, France
| | - Djamel Gully
- IRD, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Plant Health Institute of Montpellier, UMR-PHIM, Montpellier, France
| | - Nico Nouwen
- IRD, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Plant Health Institute of Montpellier, UMR-PHIM, Montpellier, France
| | - Worawikunya Kiatponglarp
- Thai wah public company limited @CU innovation hub, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Waraporn Tanthanuch
- Synchrotron Light Research Institute (Public Organization), Muang, Nakhon Ratchasima, Thailand
| | - Panlada Tittabutr
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Muang, Nakhon Ratchasima, Thailand
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