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Li Z, Guo Q, Lin F, Li C, Yan L, Zhou H, Huang Y, Lin B, Xie B, Lin Z, Huang Y. Lactobacillus plantarum supernatant inhibits growth of Riemerella anatipestifer and mediates intestinal antimicrobial defense in Muscovy ducks. Poult Sci 2024; 103:103216. [PMID: 38043406 PMCID: PMC10711468 DOI: 10.1016/j.psj.2023.103216] [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: 08/24/2023] [Revised: 10/07/2023] [Accepted: 10/16/2023] [Indexed: 12/05/2023] Open
Abstract
Riemerella anatipestifer (RA) is an important pathogen of waterfowl, with multiple serotypes and a lack of cross-protection between each serotype, which leads to the continued widespread in the world and causing significant economic losses to the duck industry. Thus, prevention and inhibition of RA infection are of great concern. Previous research has established that Lactobacillus plantarum supernatant (LPS) can prevents the pathogenic bacteria infection. However, LPS whether inhibits RA and underlying mechanisms have not yet been clarified. In this study, we investigated the direct and indirect effects of LPS-ZG7 against RA infection in Muscovy ducks. The results demonstrated that LPS-ZG7 prevented RA growth in the presence of pH-neutralized, and the inhibition was relatively stable and unaffected by heat, acid-base and ultraviolet light (UV). Following flow cytometry data found that LPS-ZG7 increased RA membrane permeability and leakage of intracellular molecules. And scanning electron microscopy revealed LPS-ZG7 damaged the RA membrane integrity and leading to RA death. Furthermore, quantitative real time polymerase chain reaction (qPCR) analysis represented that LPS-ZG7 upregulated mucosal tight junction proteins occludin, claudin-1, and Zo-1 in Muscovy ducks, and increasing mucosal transport channels SGLT-1, PepT1, AQP2, AQP3, and AQP10 in duodenum, jejunum, and colon, then decreased the intestinal permeability and intestinal barrier disruption which were caused from RA. From the data, it is apparent that LPS-ZG7 enhanced intestinal mucosal integrity by rising villus height, villus height-to-crypt depth ratio and lower crypt depth. LPS-ZG7 significantly decreased intestinal epithelia cells apoptosis caused by RA invasion, and enhanced intestinal permeability and contribute to barrier dysfunction, ultimately improving intestinal health of host, indirectly leading to reduce diarrhea rate and mortality caused by RA. Overall, this study strengthens the idea that LPS-ZG7 directly inhibited the RA growth by increased RA membrane permeability and damaged the RA membrane integrity, and then indirectly enhanced intestinal mucosal integrity, improved intestinal health of host and mediated intestinal antimicrobial defense.
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Affiliation(s)
- Zhaolong Li
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China.
| | - Qing Guo
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Fengqiang Lin
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Cuiting Li
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Lu Yan
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Haiou Zhou
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Yaping Huang
- Department of Chemical and Biological Engineering, Minjiang Teachers College, Fuzhou 361000, China
| | - Binbin Lin
- Putian Institute of Agricultural Science, Putian 361013, China
| | - Bilin Xie
- Putian Institute of Agricultural Science, Putian 361013, China
| | - Zhimin Lin
- Putian Institute of Agricultural Science, Putian 361013, China
| | - Yu Huang
- Institute of Animal Husbandry and Veterinary Medicine of Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
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Nowaczek A, Dec M, Stępień-Pyśniak D, Wilczyński J, Urban-Chmiel R. Characterization of Riemerella anatipestifer Strains Isolated from Various Poultry Species in Poland. Antibiotics (Basel) 2023; 12:1648. [PMID: 38136682 PMCID: PMC10740677 DOI: 10.3390/antibiotics12121648] [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: 10/05/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
Riemerella anatipestifer (R. anatipestifer) is one of the common pathogens found in poultry flocks, resulting in serious economic losses for the poultry industry due to high mortality, reduced growth rate, poor feed conversion, increased condemnations, and high treatment costs. The aim of this study was to phenotypically characterize phylogenetic relationships and assess the presence of resistance gene strains of R. anatipestifer obtained from various poultry species in Poland. A total of 57 isolates of Riemerella were included in this study. A polymerase chain reaction (PCR) and matrix assisted laser desorption ionization mass spectrometry (MALDI-TOF MS) were used for identification of the strains. The phylogenetic relationship of the R. anatipestifer isolates was determined by analysing the rpoB gene sequence. The susceptibility to antibiotics was evaluated by minimum inhibitory concentration (MIC) in liquid media. All of the field strains of R. anatipestifer were grouped into one of two clades resulting from rpoB gene sequencing. High MIC50 and MIC90 values were obtained for gentamycin, amikacin, and colistin. Low MIC50 and MIC90 values were obtained for amoxicillin cefuroxime, cefoperazone, piperacillin, and trimethoprim/sulfamethoxazole. Among the resistance genes, tet(X) and ermF were identified most frequently. This is the first phenotypic characterization of R. anatipestifer strains obtained from poultry flocks in Poland.
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Affiliation(s)
- Anna Nowaczek
- Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-033 Lublin, Poland; (M.D.); (D.S.-P.); (R.U.-C.)
| | - Marta Dec
- Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-033 Lublin, Poland; (M.D.); (D.S.-P.); (R.U.-C.)
| | - Dagmara Stępień-Pyśniak
- Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-033 Lublin, Poland; (M.D.); (D.S.-P.); (R.U.-C.)
| | | | - Renata Urban-Chmiel
- Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-033 Lublin, Poland; (M.D.); (D.S.-P.); (R.U.-C.)
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Cammayo-Fletcher PLT, Flores RA, Nguyen BT, Villavicencio AGM, Lee SY, Kim WH, Min W. Promotion of Th1 and Th2 responses over Th17 in Riemerella anatipestifer stimulation in chicken splenocytes: Correlation of gga-miR-456-3p and gga-miR-16-5p with NOS2 and CCL5 expression. PLoS One 2023; 18:e0294031. [PMID: 37930983 PMCID: PMC10627459 DOI: 10.1371/journal.pone.0294031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/20/2023] [Indexed: 11/08/2023] Open
Abstract
Riemerella (R.) anatipestifer poses a significant threat to ducks, resulting in mortality rates ranging from 5-75%. This disease is highly infectious and economically consequential for domestic ducks. Although other avian species, such as chickens, also display susceptibility, the impact is comparatively less severe than in ducks. IL-17A has a pronounced correlation with R. anatipestifer infection in ducks, which is less in chickens. This study performed an in vitro transcriptome analysis using chicken splenic lymphocytes collected at 4-, 8-, and 24-hour intervals following R. anatipestifer stimulation. The primary objective was to discern the differentially expressed genes, with a specific focus on IL-17A and IL-17F expression. Moreover, an association between specific miRNAs with NOS2 and CCL5 was identified. The manifestation of riemerellosis in chickens was linked to heightened expression of Th1- and Th2-associated cells, while Th17 cells exhibited minimal involvement. This study elucidated the mechanism behind the absence of a Th17 immune response, shedding light on its role throughout disease progression. Additionally, through small RNA sequencing, we identified a connection between miRNAs, specifically miR-456-3p and miR-16-5p, and their respective target genes NOS2 and CCL5. These miRNAs are potential regulators of the inflammatory process during riemerellosis in chickens.
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Affiliation(s)
| | - Rochelle A. Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Binh T. Nguyen
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | | | - Seung Yun Lee
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Woo H. Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, Korea
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Sawicka-Durkalec A, Tomczyk G, Gerilovych I, Kursa O. Molecular Detection and Phylogenetic Analysis of Riemerella anatipestifer in Poultry and Wild Geese in Poland. Pathogens 2023; 12:pathogens12020256. [PMID: 36839527 PMCID: PMC9965878 DOI: 10.3390/pathogens12020256] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/24/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023] Open
Abstract
Riemerella anatipestifer (RA) is one of the most relevant bacterial pathogens of commercial waterfowl from clinical and economic points of view. Our study aimed to evaluate the prevalence of RA infection in different types of commercial poultry in Poland and verify the potential role of wild geese as vectors of this pathogen. We tested a total of 126 poultry flocks, including geese (N = 20), ducks (N = 42), turkeys (N = 64) and 19 wild geese, including greater white-fronted geese (N = 9), greylag geese (N = 5) and Taiga bean geese (N = 5). Tracheal swabs were examined for RA using a PCR targeting a conserved region of the 16S rRNA gene. Selected PCR products were sequenced to perform the phylogenetic analysis. Among the commercial poultry, the highest RA prevalence was found in flocks of ducks (35.7%) and geese (30.0%), whereas the lowest one was found in turkeys (3.2%). Most tested wild geese (94.7%) were RA positive. The phylogenetic analysis showed relatively low genetic diversity of the sequences analyzed, which gathered in two clusters of the phylogenetic tree, and the minimum nucleotide identity was 98.6%. Our results would support the contention that RA isolates from commercial poultry circulate in wild bird populations but are not transmitted back to poultry.
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Affiliation(s)
- Anna Sawicka-Durkalec
- Department of Poultry Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
- Correspondence: ; Tel.: +48-81-889-3013
| | - Grzegorz Tomczyk
- Department of Poultry Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
| | - Iryna Gerilovych
- Department of Poultry Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
- National Scientific Center “Institute of Experimental and Clinical Veterinary Medicine”, 83 Pushkinska, 61023 Kharkov, Ukraine
| | - Olimpia Kursa
- Department of Poultry Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland
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Li J, Zhang Y, Wang Y, Zhang Y, Shi B, Gan L, Yu S, Jia X, Yang K, Li Z. Immunogenicity of live phoP gene deletion strain of Riemerella anatipestifer serotype 1. Poult Sci 2022; 102:102294. [PMID: 36436377 PMCID: PMC9706625 DOI: 10.1016/j.psj.2022.102294] [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: 06/02/2022] [Revised: 10/08/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022] Open
Abstract
Duck infectious serositis is an acute and infectious disease caused by Riemerella anatipestifer (R. anatipestifer) that leads to perihepatitis, pericarditis, meningitis, and airbag inflammation in ducks, which causes serious economic losses to the global duck industry. The phoP/phoR is a novel 2-component signal transduction system first reported in gram-negative bacteria, of which phoP acts as a global regulator and virulence factor. In this study, the phoP gene from the R. anatipestifer YM strain was knocked out using homologous recombination technology and replaced with the spectinomycin resistance gene (Spec). The virulence of the R. anatipestifer YMΔphoP strain was reduced by approximately 47,000 times compared to that of the wild-type R. anatipestifer YM strain. Ducks were immunized with live R. anatipestifer YMΔphoP strain by subcutaneous inoculation at a dose of 106 to 107 CFU (0.2 mL per duck) and challenged with the wild-type R. anatipestifer YM strain 14 days later. The protection rate in the immunized group was 100%. The growth characteristics of ducks in the immunized and negative control groups were normal, and the research demonstrated R. anatipestifer YMΔphoP strain have suitable immunogenicity and protective effects. Thus, the study findings suggest that the novel R. anatipestifer YMΔphoP strain may provide a candidate for the development of a gene deletion activated vaccine against duck infectious serositis.
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Affiliation(s)
- Jian Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yanhao Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Ying Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yang Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Baolan Shi
- Sinopharm Animal Health Corporation Ltd., Wuhan, 430070, China
| | - Luoxin Gan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuang Yu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiangchao Jia
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Kang Yang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zili Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, 430070, China,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, 430070, China,Corresponding author:
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Umar Z, Chen Q, Tang B, Xu Y, Wang J, Zhang H, Ji K, Jia X, Feng Y. The poultry pathogen Riemerella anatipestifer appears as a reservoir for Tet(X) tigecycline resistance. Environ Microbiol 2021; 23:7465-7482. [PMID: 34098588 DOI: 10.1111/1462-2920.15632] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 06/06/2021] [Indexed: 12/19/2022]
Abstract
The transferability of bacterial resistance to tigecycline, the 'last-resort' antibiotic, is an emerging challenge of global health concern. The plasmid-borne tet(X) that encodes a flavin-dependent monooxygenase represents a new mechanism for tigecycline resistance. Natural source for an ongoing family of Tet(X) resistance determinants is poorly understood. Here, we report the discovery of 26 new variants [tet(X18) to tet(X44)] from the poultry pathogen Riemerella anatipestifer, which expands extensively the current Tet(X) family. R. anatipestifer appears as a natural reservoir for tet(X), of which the chromosome harbours varied copies of tet(X) progenitors. Despite that an inactive ancestor rarely occurs, the action and mechanism of Tet(X2/4)-P, a putative Tet(X) progenitor, was comprehensively characterized, giving an intermediate level of tigecycline resistance. The potential pattern of Tet(X) dissemination from ducks to other animals and humans was raised, in the viewpoint of ecological niches. Therefore, this finding defines a large pool of natural sources for Tet(X) tigecycline resistance, heightening the need of efficient approaches to manage the inter-species transmission of tet(X) resistance determinants.
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Affiliation(s)
- Zeeshan Umar
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Qiwei Chen
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, 730046, China
| | - Biao Tang
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products & Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, China
| | - Yongchang Xu
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Jinzi Wang
- Guangxi Key Laboratory of Utilization of Microbial and Botanical Resources & Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi University for Nationalities, Nanning, Guangxi, 530008, China
| | - Huimin Zhang
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Kai Ji
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
| | - Xu Jia
- Non-coding RNA and Drug Discovery Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, Sichuan, 610500, China
| | - Youjun Feng
- Department of Pathogen Biology & Microbiology and Department of General Intensive Care Unit of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.,College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China.,Non-coding RNA and Drug Discovery Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, Sichuan, 610500, China
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Han W, Chen Z, Niu P, Ren X, Ding C, Yu S. Development of a colloidal gold immunochromatographic strip for rapid detection of Riemerella anatipestifer in ducks. Poult Sci 2020; 99:4741-4749. [PMID: 32988508 PMCID: PMC7598101 DOI: 10.1016/j.psj.2020.06.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 04/25/2020] [Accepted: 06/07/2020] [Indexed: 10/28/2022] Open
Abstract
Riemerella anatipestifer is one of the major bacterial pathogens of ducks and causes significant economic losses in poultry agriculture. Usually, methods for detecting R. anatipestifer infection need specialized equipment and highly skilled personnel. In this study, a novel colloidal gold immunochromatographic strip was developed for rapid detection of R. anatipestifer in ducks. The monoclonal antibodies 2D5 and 2A6 against R. anatipestifer were used as colloidal gold-labeled protein and capture protein, respectively, to recognize the bacteria in tryptic soy broth medium culture and in hearts of infected ducks. The goat anti-mouse IgG antibody was labeled on nitrocellulose membrane as a control for C line. The labeling pH was optimized as 10.0, and the concentration of 2D5 labeled to colloidal gold particles was optimized as 18 μg/mL. The strip specifically detected serotypes 1, 2, and 10 R. anatipestifer strains and showed no cross-reaction with Escherichia coli, Salmonella enterica, and Pasteurella multocida strains. The sensitivity of the strip for detecting R. anatipestifer was 1.0 × 106 colony forming unit. The strips remained stable for up to 8 mo at 4°C, and the detection can be completed within 15 min. The strip can detect R. anatipestifer in hearts of the ducks experimentally infected with R. anatipestifer but not infected with E. coli, which were also confirmed with bacterial isolation followed by multiplex polymerase chain reaction. These results suggested that the strips are reliable methods for identification of R. anatipestifer in laboratories and in duck farms.
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Affiliation(s)
- Wenlong Han
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China
| | - Zongchao Chen
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China
| | - Pengfei Niu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China
| | - Xiaomei Ren
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China
| | - Chan Ding
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China
| | - Shengqing Yu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Shanghai, China; Jiangsu Agri-animal Husbandry Vocational College, Veterinary Bio-pharmaceutical, Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Taizhou, Jiangsu, China.
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Cammayo PLT, Fernandez-Colorado CP, Flores RA, Roy A, Kim S, Lillehoj HS, Kim WH, Min W. IL-17A treatment influences murine susceptibility to experimental Riemerella anatipestifer infection. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 106:103633. [PMID: 31991165 DOI: 10.1016/j.dci.2020.103633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 01/22/2020] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
Riemerella anatipestifer causes infectious disease and considerable economic loss in the duck industry worldwide. Our previous studies demonstrated an association between proinflammatory cytokine interleukin (IL)-17A and R. anatipestifer infection. Here, we provide evidence for IL-17A involvement in R. anatipestifer infection using a mouse model. Mice showed higher resistance to R. anatipestifer infection than ducks, with median lethal doses (LD50) of 3.5 × 1010 and 5 × 107 colony-forming units (CFU), respectively. Twenty-four hours after infection, mice with a sub-lethal dose (3.5 × 109 CFU) exhibited levels of IL-17A and IL-23 expression similar to uninfected mice. Thus, we hypothesized that exogenous IL-17A or IL-23 administration affects susceptibility of mice to R. anatipestifer. Mice pretreated with IL-17A or IL-23 prior to sub-lethal dose infection of R. anatipestifer exhibited increased bacterial burden and spleen weights compared to untreated infected mice, confirming the involvement of IL-17A in susceptibility to R. anatipestifer infection in vivo.
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Affiliation(s)
- Paula Leona T Cammayo
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Cherry P Fernandez-Colorado
- Department of Veterinary Paraclinical Sciences, College of Veterinary Medicine, University of the Philippines Los Banos, College, Laguna, 4031, Philippines
| | - Rochelle A Flores
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Anindita Roy
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Suk Kim
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Woo H Kim
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD, 20705, USA
| | - Wongi Min
- College of Veterinary Medicine & Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Evaluation of Long-term Antibody Response and Cross-serotype Reaction in Ducks Immunised with Recombinant Riemerella Anatipestifer Outer Membrane Protein A and CpG ODN. J Vet Res 2019; 63:543-548. [PMID: 31934665 PMCID: PMC6950437 DOI: 10.2478/jvetres-2019-0066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 10/24/2019] [Indexed: 11/26/2022] Open
Abstract
Introduction Riemerella anatipestifer (RA) infections can lead to high mortality in ducklings. Inactivated vaccines against RA are commercially available, but they fail to provide cross-protection against various serotypes. We have previously demonstrated that a subunit vaccine containing recombinant outer membrane protein A (rOmpA) antigen of serotype 2 formulated with CpG oligodeoxynucleotides (ODN) as the adjuvant was able to stimulate both humoral and cellular immunities. Material and Methods In the present study, thirty healthy 7-day-old Pekin ducks were randomly assigned to three equal treatment groups: rOmpA-vaccinated, rOmpA + CpG-vaccinated, and control. Vaccine was injected intramuscularly and a booster dose of the same vaccine was given two weeks after primary immunisation. The long-term antibody response and cross-serotype reaction of this vaccine were evaluated in ducks. Results Compared to ducks immunised with rOmpA alone, ducks immunised with rOmpA + CpG ODN had significantly (p < 0.05) increased serum antibody titre from two weeks until nine months after primary immunisation. In addition, expression of cytokines including interferon (IFN)-α, IFN-γ, interleukin (IL)-6, and IL-12 was significantly (p < 0.05) enhanced in PBMC of ducks immunised with rOmpA + CpG ODN two weeks after primary immunisation. Antibodies from ducks immunised with the rOmpA + CpG ODN vaccine could also detect RA serotypes 1 and 6 in Western blot analysis. Conclusion Combination of rOmpA and CpG ODN could be a feasible strategy for developing a subunit RA vaccine with long term and broader-ranging protection.
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Tang T, Wu Y, Lin H, Li Y, Zuo H, Gao Q, Wang C, Pei X. The drug tolerant persisters of Riemerella anatipestifer can be eradicated by a combination of two or three antibiotics. BMC Microbiol 2018; 18:137. [PMID: 30340538 PMCID: PMC6194556 DOI: 10.1186/s12866-018-1303-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 10/04/2018] [Indexed: 11/29/2022] Open
Abstract
Background Riemerella anatipestifer (RA), the causative agent of duck infectious serositis, leads to high mortality in duck flocks and great economic losses in duck industry. Previous studies on RA are largely focused on its detection, virulence factors, serology, epidemiology as well as antibiotic resistance. Neither drug tolerant persisters nor the persister level under the treatment of antibiotics has been revealed. The persisters are non-growing or dormant cells within an isogenic bacterial population; they play important roles in recurrent infection and formation of drug resistant mutants. The aim of this study is to detect the drug tolerant persisters from the exponentially grown population of RA reference strain (RA 11845) or RA clinical isolate (RA TQ3), and address whether a single antibiotic or a combination of two or three antimicrobials can eradicate the persisters at respective maximum serum/plasma concentration (Cmax). Result With the concentration of a test antibiotic increased, a small fraction of cells in the exponentially grown culture of RA reference strain (RA 11845) or RA clinical isolate (RA TQ3) always survived, irrespective of treatment time, indicating the presence of drug tolerant presisters. A single antibiotic cannot eradicate the persisters of both RA strains at respective Cmax, except that the Cmax of ceftiofur wiped out the population of the reference strain (RA 11845). Besides, the clinical isolate RA TQ3 presented a higher tolerance to ceftiofur in comparison to that of the reference strain (RA 11845). Combination of any two or three antimicrobials eliminated the drug tolerant persisters of RA TQ3 completely at respective Cmax. Conclusion A sub-community of drug tolerant persisters was present in RA population. Persisters of RA TQ3 are single drug tolerant and not multidrug tolerant persisters. Electronic supplementary material The online version of this article (10.1186/s12866-018-1303-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tian Tang
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China
| | - Yanxia Wu
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China
| | - Hua Lin
- Sichuan Entry-Exit Inspection and Quarantine Bureau, Chengdu, Sichuan, People's Republic of China
| | - Yongyu Li
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China
| | - Haojiang Zuo
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China
| | - Qun Gao
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan, People's Republic of China
| | - Chuan Wang
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China.
| | - Xiaofang Pei
- Department of Public Health Laboratory Sciences, West China School of Public Health, Sichuan University, 16#, Section 3, South Renmin Road, Chengdu, Sichuan, 610031, People's Republic of China.
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Gyuris É, Nemes C, Magyar T. Data on the epidemiology and pathology of anatipestifer disease in Hungary (2010-2014). Acta Vet Hung 2018; 66:350-364. [PMID: 30264612 DOI: 10.1556/004.2018.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Anatipestifer disease is a contagious disease caused by Riemerella anatipestifer, affecting primarily ducks, geese and turkeys, and characterised by listlessness, diarrhoea, sneezing, nasal discharge, and nervous signs. Sporadically, it occurs in a wide range of other domesticated and wild birds as well. The incidence and characteristics of the disease seen in the three main host species are summarised based on birds submitted for routine laboratory investigation in Hungary over the period 2010-2014. The infection was diagnosed in a higher percentage in geese (9.9%) and ducks (7.5%). It occurred in 5-day-old to 17-week-old geese and 3- to 6.5-week-old ducks, respectively. The pathological lesions were comparable in these two species: enlarged spleen, serofibrinous pericarditis, perihepatitis, airsacculitis, catarrhal enteritis, subcutaneous oedema and hyperaemia over the cranium, mucopurulent exudate in the nasal cavity and occasionally pneumonia, conjunctivitis, purulent arthritis and caseous salpingitis. In some cases, R. anatipestifer produced only secondary lesions, which complicated other diseases such as circovirus infection, mycotoxicosis, mycoplasmosis, or Derzsy's disease. In turkeys, the disease occurred rarely (0.5%) and at an older age (12 to 19 weeks). The lesions most frequently seen were purulent osteomyelitis of the cranium and seropurulent meningitis. Purulent osteomyelitis in the cranium caused by R. anatipestifer infection had not been reported in turkeys previously. To various extents, other local lesions such as serofibrinous pericarditis, airsacculitis, arthritis, and in one case septicaemia were also observed. The high incidence of the disease in waterfowl underlines the importance of appropriate treatment and prevention that should be based on accurate diagnosis and antimicrobial susceptibility testing, proper biosecurity and vaccination with regard to the serotype(s) present on the farm.
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Affiliation(s)
- Éva Gyuris
- 1 Laboratory of Domestic Mammal, Wildlife and Poultry Diseases, National Food Chain Safety Office – Veterinary Diagnostic Directorate, Budapest, Hungary
| | - Csaba Nemes
- 2 Veterinary Diagnostic Laboratory in Kaposvár, National Food Chain Safety Office – Veterinary Diagnostic Directorate, Kaposvár, Hungary
| | - Tibor Magyar
- 3 Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 18, H-1581 Budapest, Hungary
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Li L, Pielsticker C, Han Z, Kubasová T, Rychlik I, Kaspers B, Rautenschlein S. Infectious bursal disease virus inoculation infection modifies Campylobacter jejuni-host interaction in broilers. Gut Pathog 2018; 10:13. [PMID: 29610580 PMCID: PMC5877392 DOI: 10.1186/s13099-018-0241-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/26/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Campylobacter jejuni is considered as a chicken commensal. The gut microbiota and the immune status of the host may affect its colonization. Infectious bursal disease virus (IBDV) is an immunosuppressive virus of chickens, which allows secondary pathogens to invade or exacerbates their pathogenesis. To investigate the effect of IBDV-induced immunosuppression on the pathogenesis of C. jejuni, broiler chickens were inoculated with a very virulent (vv) strain of IBDV at 14 days post hatch followed by C. jejuni inoculation at 7 (Experiment A) or 9 (Experiment B) days post virus (IBDV) inoculation. RESULTS vvIBDV-infection led to a depression in caecal lamina propria B lymphocytes and the anti-C. jejuni-antibody response starting at 14 days post C. jejuni inoculation (pbi). The C. jejuni-colonization pattern was comparable between mono-inoculated groups of both experiments, but it varied for vvIBDV + C. jejuni co-inoculated groups. In Experiment A significant higher numbers of colony forming units (CFU) of C. jejuni were detected in the caecum of co-inoculated birds compared to C. jejuni-mono-inoculated birds in the early phase after C. jejuni-inoculation. In Experiment B the clearance phase was affected in the co-inoculated group with significantly higher CFU at 21 days pbi compared to the mono-inoculated group (P < 0.05). No major differences were seen in numbers local lamina propria T lymphocyte populations between C. jejuni-inoculated groups with or without vvIBDV-infection. Interestingly, both pathogens affected the microbiota composition. The consequences of these microflora changes for the host have to be elucidated further. CONCLUSION Our data suggests that the timing between viral and bacterial infection might affect the outcome of C. jejuni colonization differently. Our results confirm previous studies that anti-Campylobacter-antibodies may specifically be important for the clearance phase of the bacteria. Therefore, as vvIBDV is widely distributed in the field, it may have a significant impact on the colonization and shedding rate of C. jejuni in commercial poultry flocks. Subsequently, successful IBDV-control strategies may indirectly also benefit the gut-health of chickens.
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Affiliation(s)
- Li Li
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, 30559 Hannover, Germany
| | - Colin Pielsticker
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, 30559 Hannover, Germany
| | - Zifeng Han
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, 30559 Hannover, Germany
| | - Tereza Kubasová
- Veterinary Research Institute, Hudcova 70, 621 00 Brno, Czech Republic
| | - Ivan Rychlik
- Veterinary Research Institute, Hudcova 70, 621 00 Brno, Czech Republic
| | - Bernd Kaspers
- Department for Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig-Maximilians-Universität München, Veterinastr. 13, 80539 Munich, Germany
| | - Silke Rautenschlein
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, 30559 Hannover, Germany
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13
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Phonvisay M, Liou JJ, Cheng LT, Chen YP, Wu HC, Liu CH, Lee JW, Chu CY. SURVEY OF ARIEMERELLA ANATIPESTIFEROUTBREAK IN SOUTHERN TAIWAN DUCK FARMS. ACTA ACUST UNITED AC 2017. [DOI: 10.1142/s1682648516500013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A septicemic outbreak in southern Taiwan duck farms in 2014 resulted in high mortality of ducklings. Samples from oral or cloacal sites of affected Muscovy and Pekin ducks were collected and the identity of the field isolates was confirmed using Riemerella anatipestifer (RA) 16S rRNA and outer membrane protein A (OmpA)-specific primers in polymerase chain reactions (PCR), with 15 isolates found positive for both 16S rRNA and OmpA. Detection of both the 16S rRNA and OmpA genes could be a rapid PCR test for RA. Serotyping of the isolates using gel-diffusion precipitin test identified serotypes 1, 4, 6, 17, and 19 while a number of isolates were unidentifiable. Sequence analysis of the OmpA gene found high identity (99.0–99.7%) among isolates in Taiwan. These results indicate that RA remains as a significant cause of duck septicemic disease in southern Taiwan.
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Affiliation(s)
- May Phonvisay
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Jhong-Jie Liou
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Li-Ting Cheng
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Yen-Ping Chen
- Animal Health Research Institute, Council of Agriculture, Executive Yuan, Taipei 25158, Taiwan
| | - Hsing-Chieh Wu
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Chia-Hui Liu
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Jai-Wei Lee
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Chun-Yen Chu
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
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Wang M, Zhang P, Zhu D, Wang M, Jia R, Chen S, Sun K, Yang Q, Wu Y, Chen X, Biville F, Cheng A, Liu M. Identification of the ferric iron utilization gene B739_1208 and its role in the virulence of R. anatipestifer CH-1. Vet Microbiol 2017; 201:162-169. [PMID: 28284604 DOI: 10.1016/j.vetmic.2017.01.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 01/12/2017] [Accepted: 01/23/2017] [Indexed: 10/20/2022]
Abstract
Riemerella anatipestifer is an important bacterial pathogen in ducks and causes heavy economic losses in the duck industry. However, the pathogensis of this bacterium is poorly understood. In this study, a putative outer membrane hemin receptor gene B739_1208 in R. anatipestifer CH-1 was deleted to determine the relationship between iron uptake and virulence. The R. anatipestifer CH-1ΔB739_1208 mutants grew significantly more slowly than the wild-type bacteria in TSB liquid medium. Further characterization revealed that the R. anatipestifer CH-1ΔB739_1208 mutants were deficient in iron uptake. Animal experiments indicated that the median lethal dose of the wild-type RA-CH-1 in ducklings was 3.89×108, whereas the median lethal dose of the R. anatipestifer CH-1ΔB739_1208 mutant in ducklings was 5.68×109. The median lethal dose of the complementation strain in ducklings was 9.84×108. Additional analysis indicated that bacterial loads in the blood, liver, and brain tissues in the R. anatipestifer CH-1ΔB739_1208-infected ducklings were significantly decreased compared to those in the wild-type R. anatipestifer CH-1 infected ducklings. In a duck co-infection model with R. anatipestifer CH-1 and R. anatipestifer CH-1ΔB739_1208, the R. anatipestifer CH-1B739_1208 mutant was outcompeted by the wild-type R. anatipestifer CH-1 in the blood (P<0.002), livers (P<0.001) and brains (P<0.001) of infected ducks, indicating that B739_1208 gene expression provided a competitive advantage in these organs. Our results demonstrate that the B739_1208 gene is a virulence factor in R. anatipestifer CH-1.
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Affiliation(s)
- MengYi Wang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - PengYun Zhang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - DeKang Zhu
- Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - MingShu Wang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - RenYong Jia
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - Shun Chen
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - KunFeng Sun
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - Qiao Yang
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - Ying Wu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - XiaoYue Chen
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China
| | - Francis Biville
- Unité des Infections Bactériennes Invasives, Département Infection et Epidémiologie, Institut Pasteur, Paris, France
| | - AnChun Cheng
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China.
| | - MaFeng Liu
- Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Research Center of Avian Disease, College of Veterinary Medicine of Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China; Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu, Sichuan 611130, PR China.
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Mycoplasma gallisepticum modifies the pathogenesis of influenza A virus in the avian tracheal epithelium. Int J Med Microbiol 2016; 306:174-86. [PMID: 27079856 DOI: 10.1016/j.ijmm.2016.04.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 03/30/2016] [Accepted: 04/03/2016] [Indexed: 11/24/2022] Open
Abstract
Multiple respiratory infections have a significant impact on health and economy. Pathogenesis of co-infecting viruses and bacteria and their interaction with mucosal surfaces are poorly characterized. In this study we established a co-infection model based on pre-incubation of tracheal organ cultures (TOC) with Mycoplasma (M.) gallisepticum and a subsequent infection with avian influenza virus (AIV). Mycoplasma gallisepticum modified the pathogenesis of AIV as demonstrated in TOC of two different avian species (chickens and turkeys). Co-infection promoted bacterial growth in tracheal epithelium. Depending on the interaction time of M. gallisepticum with the host cells, AIV replication was either promoted or suppressed. M. gallisepticum inhibited the antiviral gene expression and affected AIV attachment to the host cell by desialylation of α-2,3 linked sialic acids. Ultrastructural analysis of co-infected TOC suggests that both pathogens may attach to and possibly infect the same epithelial cell. The obtained results contribute to better understanding of the interaction dynamics between M. gallisepticum and AIV. They highlight the importance of the time interval between infections as well as the biological properties of the involved pathogens as influencing factors in the outcome of respiratory infections.
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Surveillance and characterization of Riemerella anatipestifer from wild birds in South Korea. J Wildl Dis 2015; 51:341-7. [PMID: 25588012 DOI: 10.7589/2014-05-128] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We conducted surveillance for Riemerella anatipestifer (RA) in wild birds along the East Asian-Australasian flyway in South Korea. Detected RA were characterized by serotype, antibiotic susceptibility, and sequence analysis of the 16S rRNA gene. We collected 944 wild birds of 34 species from 19 of South Korea's major migratory wild bird habitats between 2011 and 2012. We identified RA by PCR and rRNA gene sequence in 71/102 (69.6%) pharyngeal swabs and 19/944 (2.0%) cloacal swabs of wild birds. Most RA positives (71/75 [95%] pharyngeal and 19/704 [(2.6%] cloacal) were from three duck species (family Anatidae): Mallard Duck (Anas platyrhynchos), Northern Pintail (Anas acuta), and Spot-billed Duck (Anas poecilorhyncha). Thirty-three RA isolates obtained and examined were highly resistant to aminoglycosides: kanamycin (100%), gentamicin (94%), amikacin (91%), neomycin (88%), and streptomycin (82%). Six isolates were identified as serotype 4 by agar gel precipitation. Serotypes 1 and 7, which are known virulent serotypes, were also identified in three isolates from wild duck species.
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Rubbenstroth D, Ryll M, Knobloch JKM, Köhler B, Rautenschlein S. Evaluation of different diagnostic tools for the detection and identification of Riemerella anatipestifer. Avian Pathol 2012; 42:17-26. [DOI: 10.1080/03079457.2012.752066] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Dennis Rubbenstroth
- a Clinic for Poultry , University of Veterinary Medicine Hannover , Bünteweg 17, D-30559 , Hannover , Germany
| | - Martin Ryll
- a Clinic for Poultry , University of Veterinary Medicine Hannover , Bünteweg 17, D-30559 , Hannover , Germany
| | - Johannes Karl-Mark Knobloch
- b Institute of Medical Microbiology and Hygiene, University of Lübeck , Ratzeburger Allee 160, D-23538 , Lübeck , Germany
| | - Bernd Köhler
- c Ripac-Labor GmbH , Am Mühlenberg 11, D-14476 , Potsdam-Golm , Germany
| | - Silke Rautenschlein
- a Clinic for Poultry , University of Veterinary Medicine Hannover , Bünteweg 17, D-30559 , Hannover , Germany
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Rubbenstroth D, Ryll M, Hotzel H, Christensen H, Knobloch JKM, Rautenschlein S, Bisgaard M. Description of Riemerella columbipharyngis sp. nov., isolated from the pharynx of healthy domestic pigeons (Columba livia f. domestica), and emended descriptions of the genus Riemerella, Riemerella anatipestifer and Riemerella columbina. Int J Syst Evol Microbiol 2012; 63:280-287. [PMID: 22427448 DOI: 10.1099/ijs.0.036798-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A group of 11 bacterial strains was isolated during microbiological investigations of pharyngeal swabs collected from domestic pigeons (Columba livia f. domestica). Phenotypic properties of the isolates closely resembled those of members of the genus Riemerella within the family Flavobacteriaceae. The genus presently contains two species, Riemerella anatipestifer and Riemerella columbina. The pigeon isolates differed from R. columbina by their lack of pigment production and negative CAMP co-haemolysis reaction. They grew more slowly at 37 °C under microaerobic conditions and showed reduced viability during storage under aerobic conditions at different temperatures, compared with both Riemerella species. Comparisons of protein profiles with matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) MS analysis allowed differentiation between the new pigeon isolates and both R. anatipestifer and R. columbina. Phylogenetic analysis based on 16S rRNA gene and rpoB gene (encoding RNA polymerase beta subunit) sequences supported the affiliation of the 11 strains to a novel species within the genus Riemerella, for which we propose the name Riemerella columbipharyngis sp. nov. The type strain is 8151(T) (=DSM 24015(T) = LMG 26094(T)). Emended descriptions of the genus Riemerella and of its species Riemerella anatipestifer and Riemerella columbina are also presented.
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Affiliation(s)
- Dennis Rubbenstroth
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover, Germany
| | - Martin Ryll
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover, Germany
| | - Helmut Hotzel
- Institute of Bacterial Infections and Zoonoses, Friedrich Loeffler Institute (FLI) Jena, Naumburger Str. 96a, D-07743 Jena, Germany
| | - Henrik Christensen
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, DK-1870 Frederiksberg C, Denmark
| | - Johannes Karl-Mark Knobloch
- Department of Medical Microbiology and Hygiene, University of Lübeck, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Silke Rautenschlein
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover, Germany
| | - Magne Bisgaard
- Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen, DK-1870 Frederiksberg C, Denmark
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Rubbenstroth D, Hotzel H, Knobloch J, Teske L, Rautenschlein S, Ryll M. Isolation and characterization of atypical Riemerella columbina strains from pigeons and their differentiation from Riemerella anatipestifer. Vet Microbiol 2011; 147:103-12. [DOI: 10.1016/j.vetmic.2010.06.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 06/07/2010] [Accepted: 06/09/2010] [Indexed: 11/28/2022]
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Rubbenstroth D, Rautenschlein S. Compromised T-cell immunity in turkeys may lead to an unpredictable avian metapneumovirus vaccine response and variable protection against challenge. Avian Pathol 2010; 39:349-57. [DOI: 10.1080/03079457.2010.507240] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Rubbenstroth D, Dalgaard TS, Kothlow S, Juul-Madsen HR, Rautenschlein S. Effects of cyclosporin A induced T-lymphocyte depletion on the course of avian Metapneumovirus (aMPV) infection in turkeys. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2010; 34:518-529. [PMID: 20043941 DOI: 10.1016/j.dci.2009.12.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2009] [Revised: 12/22/2009] [Accepted: 12/22/2009] [Indexed: 05/28/2023]
Abstract
The avian Metapneumovirus (aMPV) causes an economically important acute respiratory disease in turkeys (turkey rhinotracheitis, TRT). While antibodies were shown to be insufficient for protection against aMPV-infection, the role of T-lymphocytes in the control of aMPV-infection is not clear. In this study we investigated the role of T-lymphocytes in aMPV-pathogenesis in a T-cell-suppression model in turkeys. T-cell-intact turkeys and turkeys partly depleted of functional CD4(+) and CD8(+) T-lymphocytes by Cyclosporin A (CsA) treatment were inoculated with the virulent aMPV subtype A strain BUT 8544. CsA-treatment resulted in a significant reduction of absolute numbers of circulating CD4(+) and CD8alpha(+) T-lymphocytes by up to 82 and 65%, respectively (P<0.05). Proportions of proliferating T-cells within mitogen-stimulated peripheral blood mononuclear cells were reduced by similar levels in CsA-treated birds compared to untreated controls (P<0.05). CsA-treated turkeys showed delayed recovery from aMPV-induced clinical signs and histopathological lesions and a prolonged detection of aMPV in choanal swabs. The results of this study show that T-lymphocytes play an important role in the control of primary aMPV-infection in turkeys.
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Affiliation(s)
- Dennis Rubbenstroth
- Clinic for Poultry, University of Veterinary Medicine Hannover, Bünteweg 17, Hannover, Germany
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