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He G, Long H, He J, Zhu C. The Immunomodulatory Effects and Applications of Probiotic Lactiplantibacillus plantarum in Vaccine Development. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10338-9. [PMID: 39101975 DOI: 10.1007/s12602-024-10338-9] [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] [Accepted: 07/26/2024] [Indexed: 08/06/2024]
Abstract
Lactiplantibacillus plantarum (previously known as Lactobacillus plantarum) is a lactic acid bacterium that exists in various niches. L. plantarum is a food-grade microorganism that is commonly considered a safe and beneficial microorganism. It is widely used in food fermentation, agricultural enhancement, and environmental protection. L. plantarum is also part of the normal flora that can regulate the intestinal microflora and promote intestinal health. Some strains of L. plantarum are powerful probiotics that induce and modulate the innate and adaptive immune responses. Due to its outstanding immunoregulatory capacities, an increasing number of studies have examined the use of probiotic L. plantarum strains as natural immune adjuvants or alternative live vaccine carriers. The present review summarizes the main immunomodulatory characteristics of L. plantarum and discusses the preliminary immunological effects of L. plantarum as a vaccine adjuvant and delivery carrier. Different methods for improving the immune capacities of recombinant vector vaccines are also discussed.
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Affiliation(s)
- Guiting He
- Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang, 421001, Hunan, China
| | - Huanbing Long
- Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang, 421001, Hunan, China
| | - Jiarong He
- Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang, 421001, Hunan, China
| | - Cuiming Zhu
- Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hengyang, 421001, Hunan, China.
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2
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Jennings KC, Johnson KE, Hayward MA, Kristich CJ, Salzman NH. CCR2-dependent CX3CR1+ colonic macrophages promote Enterococcus faecalis dissemination. Infect Immun 2024; 92:e0000624. [PMID: 38629806 PMCID: PMC11075457 DOI: 10.1128/iai.00006-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/29/2024] [Indexed: 05/08/2024] Open
Abstract
Enterococci are common commensal bacteria that colonize the gastrointestinal tracts of most mammals, including humans. Importantly, these bacteria are one of the leading causes of nosocomial infections. This study examined the role of colonic macrophages in facilitating Enterococcus faecalis infections in mice. We determined that depletion of colonic phagocytes resulted in the reduction of E. faecalis dissemination to the gut-draining mesenteric lymph nodes. Furthermore, we established that trafficking of monocyte-derived CX3CR1-expressing macrophages contributed to E. faecalis dissemination in a manner that was not reliant on CCR7, the conventional receptor involved in lymphatic migration. Finally, we showed that E. faecalis mutants with impaired intracellular survival exhibited reduced dissemination, suggesting that E. faecalis can exploit host immune cell migration to disseminate systemically and cause disease. Our findings indicate that modulation of macrophage trafficking in the context of antibiotic therapy could serve as a novel approach for preventing or treating opportunistic infections by disseminating enteric pathobionts like E. faecalis.
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Affiliation(s)
- Kevin C. Jennings
- Department of Pediatrics, Division of Gastroenterology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Kaitlin E. Johnson
- Department of Pediatrics, Division of Gastroenterology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Michael A. Hayward
- Department of Pediatrics, Division of Gastroenterology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Center for Microbiome Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Christopher J. Kristich
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Center for Infectious Disease Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Nita H. Salzman
- Department of Pediatrics, Division of Gastroenterology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
- Center for Microbiome Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Peña-Cearra A, Palacios A, Pellon A, Castelo J, Pasco ST, Seoane I, Barriales D, Martin JE, Pascual-Itoiz MÁ, Gonzalez-Lopez M, Martín-Ruiz I, Macías-Cámara N, Gutiez N, Araujo-Aris S, Aransay AM, Rodríguez H, Anguita J, Abecia L. Akkermansia muciniphila-induced trained immune phenotype increases bacterial intracellular survival and attenuates inflammation. Commun Biol 2024; 7:192. [PMID: 38365881 PMCID: PMC10873422 DOI: 10.1038/s42003-024-05867-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 01/26/2024] [Indexed: 02/18/2024] Open
Abstract
The initial exposure to pathogens and commensals confers innate immune cells the capacity to respond distinctively upon a second stimulus. This training capacity might play key functions in developing an adequate innate immune response to the continuous exposure to bacteria. However, the mechanisms involved in induction of trained immunity by commensals remain mostly unexplored. A. muciniphila represents an attractive candidate to study the promotion of these long-term responses. Here, we show that priming of macrophages with live A. muciniphila enhances bacterial intracellular survival and decreases the release of pro- and anti-inflammatory signals, lowering the production of TNF and IL-10. Global transcriptional analysis of macrophages after a secondary exposure to the bacteria showed the transcriptional rearrangement underpinning the phenotype observed compared to acutely exposed cells, with the increased expression of genes related to phagocytic capacity and those involved in the metabolic adjustment conducing to innate immune training. Accordingly, key genes related to bacterial killing and pro-inflammatory pathways were downregulated. These data demonstrate the importance of specific bacterial members in the modulation of local long-term innate immune responses, broadening our knowledge of the association between gut microbiome commensals and trained immunity as well as the anti-inflammatory probiotic potential of A. muciniphila.
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Affiliation(s)
- Ainize Peña-Cearra
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
- Department of Immunology, Microbiology and Parasitology, Faculty of Medicine and Nursery, University of the Basque Country, Bilbao, Spain
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Ainhoa Palacios
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Aize Pellon
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
- Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, United Kingdom
| | - Janire Castelo
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Samuel Tanner Pasco
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Iratxe Seoane
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
- Department of Immunology, Microbiology and Parasitology, Faculty of Medicine and Nursery, University of the Basque Country, Bilbao, Spain
| | - Diego Barriales
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
- Cell Therapy, Stem Cells and Tissues Group, CVTTH/Biobizkaia Health Research Institute, Galdakao, Spain
| | - Jose Ezequiel Martin
- Genome Analysis Platform, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Miguel Ángel Pascual-Itoiz
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Monika Gonzalez-Lopez
- Genome Analysis Platform, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Itziar Martín-Ruiz
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Nuria Macías-Cámara
- Genome Analysis Platform, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Naiara Gutiez
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Sarai Araujo-Aris
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Ana Mª Aransay
- Genome Analysis Platform, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
- CIBERehd, Instituto de Salud Carlos III, Madrid, Spain
| | - Héctor Rodríguez
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain
| | - Juan Anguita
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain.
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain.
| | - Leticia Abecia
- Inflammation and Macrophage Plasticity Laboratory, CIC bioGUNE-BRTA (Basque Research and Technology Alliance), Derio, Spain.
- Department of Immunology, Microbiology and Parasitology, Faculty of Medicine and Nursery, University of the Basque Country, Bilbao, Spain.
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Sun Y, Wang X, Li L, Zhong C, Zhang Y, Yang X, Li M, Yang C. The role of gut microbiota in intestinal disease: from an oxidative stress perspective. Front Microbiol 2024; 15:1328324. [PMID: 38419631 PMCID: PMC10899708 DOI: 10.3389/fmicb.2024.1328324] [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: 10/27/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024] Open
Abstract
Recent studies have indicated that gut microbiota-mediated oxidative stress is significantly associated with intestinal diseases such as colorectal cancer, ulcerative colitis, and Crohn's disease. The level of reactive oxygen species (ROS) has been reported to increase when the gut microbiota is dysregulated, especially when several gut bacterial metabolites are present. Although healthy gut microbiota plays a vital role in defending against excessive oxidative stress, intestinal disease is significantly influenced by excessive ROS, and this process is controlled by gut microbiota-mediated immunological responses, DNA damage, and intestinal inflammation. In this review, we discuss the relationship between gut microbiota and intestinal disease from an oxidative stress perspective. In addition, we also provide a summary of the most recent therapeutic approaches for preventing or treating intestinal diseases by modifying gut microbiota.
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Affiliation(s)
- Yiqi Sun
- Surgery of Traditional Chinese Medicine Department, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xurui Wang
- Surgery of Traditional Chinese Medicine Department, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Lei Li
- Department of Anorectal Surgery, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chao Zhong
- Traditional Chinese Medicine Department of Orthopaedic and Traumatic, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yu Zhang
- Colorectal and Anal Surgery, Chengdu Anorectal Hospital, Chengdu, China
| | - Xiangdong Yang
- Colorectal and Anal Surgery, Chengdu Anorectal Hospital, Chengdu, China
| | - Mingyue Li
- Special Needs Outpatient Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chao Yang
- Surgery of Traditional Chinese Medicine Department, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Yao L, Liu Q, Lei Z, Sun T. Development and challenges of antimicrobial peptide delivery strategies in bacterial therapy: A review. Int J Biol Macromol 2023; 253:126819. [PMID: 37709236 DOI: 10.1016/j.ijbiomac.2023.126819] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
The escalating global prevalence of antimicrobial resistance poses a critical threat, prompting concerns about its impact on public health. This predicament is exacerbated by the acute shortage of novel antimicrobial agents, a scarcity attributed to the rapid surge in bacterial resistance. This review delves into the realm of antimicrobial peptides, a diverse class of compounds ubiquitously present in plants and animals across various natural organisms. Renowned for their intrinsic antibacterial activity, these peptides provide a promising avenue to tackle the intricate challenge of bacterial resistance. However, the clinical utility of peptide-based drugs is hindered by limited bioavailability and susceptibility to rapid degradation, constraining efforts to enhance the efficacy of bacterial infection treatments. The emergence of nanocarriers marks a transformative approach poised to revolutionize peptide delivery strategies. This review elucidates a promising framework involving nanocarriers within the realm of antimicrobial peptides. This paradigm enables meticulous and controlled peptide release at infection sites by detecting dynamic shifts in microenvironmental factors, including pH, ROS, GSH, and reactive enzymes. Furthermore, a glimpse into the future reveals the potential of targeted delivery mechanisms, harnessing inflammatory responses and intricate signaling pathways, including adenosine triphosphate, macrophage receptors, and pathogenic nucleic acid entities. This approach holds promise in fortifying immunity, thereby amplifying the potency of peptide-based treatments. In summary, this review spotlights peptide nanosystems as prospective solutions for combating bacterial infections. By bridging antimicrobial peptides with advanced nanomedicine, a new therapeutic era emerges, poised to confront the formidable challenge of antimicrobial resistance head-on.
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Affiliation(s)
- Longfukang Yao
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Qianying Liu
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhixin Lei
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
| | - Taolei Sun
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
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6
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Lactic Acid Bacteria as Mucosal Immunity Enhancers and Antivirals through Oral Delivery. Appl Microbiol 2022. [DOI: 10.3390/applmicrobiol2040064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Mucosal vaccination offer an advantage over systemic inoculation from the immunological viewpoint. The development of an efficient vaccine is now a priority for emerging diseases such as COVID-19, that was declared a pandemic in 2020 and caused millions of deaths globally. Lactic acid bacteria (LAB) especially Lactobacillus are the vital microbiota of the gut, which is observed as having valuable effects on animals’ and human health. LAB produce lactic acid as the major by-product of carbohydrate degradation and play a significant role in innate immunity enhancement. LAB have significant characteristics to mimic pathogen infections and intrinsically possess adjuvant properties to enhance mucosal immunity. Increasing demand and deliberations are being substantially focused on probiotic organisms that can enhance mucosal immunity against viral diseases. LAB can also strengthen their host’s antiviral defense system by producing antiviral peptides, and releasing metabolites that prevent viral infections and adhesion to mucosal surfaces. From the perspectives of “one health” and the use of probiotics, conventional belief has opened up a new horizon on the use of LAB as antivirals. The major interest of this review is to depict the beneficial use of LAB as antivirals and mucosal immunity enhancers against viral diseases.
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The Probiotic Strains Bifidοbacterium lactis, Lactobacillus acidophilus, Lactiplantibacillus plantarum and Saccharomyces boulardii Regulate Wound Healing and Chemokine Responses in Human Intestinal Subepithelial Myofibroblasts. Pharmaceuticals (Basel) 2022; 15:ph15101293. [PMID: 36297405 PMCID: PMC9611312 DOI: 10.3390/ph15101293] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022] Open
Abstract
Bifidobacterium lactis, Lactobacillus acidophilus, Lactiplantibacillus plantarum and Saccharomyces boulardii are common probiotic supplements. Colonic subepithelial myofibroblasts (cSEMFs) are actively involved in mucosal wound healing and inflammation. cSEMFs, isolated from healthy individuals, were stimulated with 102 or 104 cfu/mL of these probiotic strains alone and in combination, and their effect on chemokine and wound healing factor expression was assessed by qRT-PCR, ELISA and Sircol Assay, and on cSEMFs migration, by Wound Healing Assay. These strains remained viable and altered cSEMFs’ inflammatory and wound healing behavior, depending on the strain and concentration. cSEMFs treated with a combination of the four probiotics had a moderate, but statistically significant, increase in the mRNA and/or protein expression of chemokines CXCL1, CXCL2, CXCL4, CXCL8, CXCL10, CCL2 and CCL5, and healing factors, collagen type I and III, fibronectin and tissue factor. In contrast, when each strain was administered alone, different effects were observed, with greater increase or decrease in chemokine and healing factor expression, which was balanced by the mixture. Overall, this study highlights that the use of multiple probiotic strains can potentially alert the gut mucosal immune system and promote wound healing, having a better effect on mucosal immunity than the use of single probiotics.
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Peng W, Li YH, Yang G, Duan JL, Yang LY, Chen LX, Hou SL, Huang XG. Oral administration of Lactobacillus delbrueckii enhances intestinal immunity through inducing dendritic cell activation in suckling piglets. Food Funct 2022; 13:2570-2580. [PMID: 35166282 DOI: 10.1039/d1fo03864h] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Lactobacillus delbrueckii (LAB) has been demonstrated to exert versatile beneficial effects on modulating intestinal immunity, increasing gut microbial diversity, promoting growth performance, and even preventing disease onset in pigs. However, the underlying mechanism of LAB-mediated gut immunity regulation in piglets remains unclear. In this study, we found that supplementation of LAB significantly increases serum TNF-α, ileum IL-4, and IL-10 levels compared with the control group. Meanwhile, oral supplementation of LAB-modified gut microbial communities was evidenced by the increased abundance of the Lactobacillus genus in the colon. Mechanistically, LAB induced dendritic cell (DC) maturation and activation, which may be relevant to the activation of NF-κB and MAPK signaling pathways. Moreover, we found that oral administration of LAB during the suckling period shows long-lasting immunomodulatory impacts on intestinal immunity after weaning. Collectively, this study uncovers the mechanism of LAB in regulating the intestinal immunity of piglets, suggesting that LAB can be developed as an immunoenhancing biological agent during the suckling period.
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Affiliation(s)
- Wei Peng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Ying-Hui Li
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Guan Yang
- Department of Infectious Diseases and Public Health, City University of Hong Kong, Kowloon, Hong Kong SAR, 999077, China
| | - Jie-Lin Duan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Ling-Yuan Yang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Li-Xiang Chen
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Shu-Ling Hou
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
| | - Xing-Guo Huang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China. .,Engineering Research Center for Feed Safety and Efficient Utilization of Education, Changsha, Hunan 410128, China
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