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Robinson S, Milner‐Gulland EJ, Grachev Y, Salemgareyev A, Orynbayev M, Lushchekina A, Morgan E, Beauvais W, Singh N, Khomenko S, Cammack R, Kock R. Opportunistic bacteria and mass mortality in ungulates: lessons from an extreme event. Ecosphere 2019. [DOI: 10.1002/ecs2.2671] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Sarah Robinson
- Department of Zoology University of Oxford Oxford OX2 6GG UK
| | | | - Yuri Grachev
- Institute of Zoology 93 Al Farabi Street, Akademgorodok Almaty 480060 Kazakhstan
| | - Albert Salemgareyev
- Association for the Conservation of Biodiversity of Kazakhstan 18 Beibitshilik Street Astana 020000 Kazakhstan
| | - Mukhit Orynbayev
- Laboratory for Monitoring of Bacterial and Viral Infections Research Institute for Biological Safety Problems 2‐13 Pionerskaya Street Gvardeiskiy Kordaiskiy Rayon, Zhambylskaya Oblast 080409 Kazakhstan
| | - Anna Lushchekina
- A.N. Severtsov Institute of Ecology and Evolution Laboratory for Biodiversity Conservation 33 Lenin Prospekt Moscow 119071 Russia
| | - Eric Morgan
- Institute for Global Food Security Queen's University Belfast University Road Belfast BT7 1NN UK
| | - Wendy Beauvais
- Ivanek Laboratory Cornell University College of Veterinary Medicine 602 Tower Road Ithaca New York 14853‐6401 USA
| | - Navinder Singh
- Swedish University of Agricultural Sciences Almas Allé 8 Umea Västerbotten SE‐901 83 Sweden
| | - Sergei Khomenko
- Animal Production and Health Division Food and Agriculture Organisation Viale delle Terme di Caracalla Rome 00153 Italy
| | - Rosie Cammack
- University of Oxford, Saint Hilda's College Oxford OX4 1DY UK
| | - Richard Kock
- Pathobiology and Population Sciences Royal Veterinary College 4 Royal College Street London NW1 0TU UK
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102
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Choudhary M, Choudhary BK, Chandra Ghosh R, Bhoyar S, Chaudhari S, Barbuddhe SB. Cultivable microbiota and pulmonary lesions in polymicrobial bovine pneumonia. Microb Pathog 2019; 134:103577. [PMID: 31176881 DOI: 10.1016/j.micpath.2019.103577] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 06/04/2019] [Accepted: 06/05/2019] [Indexed: 10/26/2022]
Abstract
In the present study, the spectrum of bacterial pathogens in the nasal shedding during disease process and in pneumonic lungs of dead animals was studied. A total of 288 clinical samples from cattle and buffaloes comprising of nasal swabs, blood, tracheal swabs, heart blood and lung tissue samples were collected from diseased (n = 190) and dead animals (n = 98). The recovered bacterial isolates were characterized by biochemical reactions, Matrix Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI TOF-MS) and the 16S rRNA sequence analysis. The predominant bacterial isolates associated were Pasteurella multocida, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae and Staphylococcus aureus. The emerging pathogens causing bovine pneumonia identified were Leclercia spp., Stenotrophononas maltophila and Staphylococcus sciuri. Bacteriological examination of pneumonic lungs samples revealed 96.9% samples to be positive for polymicrobial isolation. Macroscopical lesions of lungs exhibited various stages and types of pneumonia with variable degree of haemorrhages, oedema and emphysema. Histopathologically, the fibrinous bronchopneumonia was observed to be the most frequent lesions seen in bovine pneumonia. Multi-drug resistance (MDR) was observed in 10% of P. multocida isolates. The resistance was seen for penicillin, cephalosporins and fluoroquinolones. Multi-drug resistance was seen in 90% of the E.coli tested. K. pneumoniae, E. hormaechei, E. cloacae, P. putida and Leclercia spp. identified were found to be multi-drug resistant. Understanding the etiological diversity of bacterial pathogens of bovine pneumonia may provide information for the better choice of therapeutics and health management.
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Affiliation(s)
- Mamta Choudhary
- ICAR-National Institute of Biotic Stress Management, Raipur, 493 225, India.
| | | | - Ratan Chandra Ghosh
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Chhattisgarh Kamdhenu Vishwavidyalaya, Durg, 491001, India
| | - Smita Bhoyar
- Centre for Zoonoses, Department of Veterinary Public Health, Nagpur Veterinary College Maharashtra Animal and Fishery Sciences University, Nagpur, 440006, India
| | - Sandeep Chaudhari
- Centre for Zoonoses, Department of Veterinary Public Health, Nagpur Veterinary College Maharashtra Animal and Fishery Sciences University, Nagpur, 440006, India
| | - Sukhadeo B Barbuddhe
- ICAR-National Institute of Biotic Stress Management, Raipur, 493 225, India; ICAR-National Research centre on Meat, Hyderabad, 500092, India
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103
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Zhao G, He H, Wang H. Use of a recombinase polymerase amplification commercial kit for rapid visual detection of Pasteurella multocida. BMC Vet Res 2019; 15:154. [PMID: 31101109 PMCID: PMC6525368 DOI: 10.1186/s12917-019-1889-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 04/29/2019] [Indexed: 12/16/2022] Open
Abstract
Background Pasteurella multocida (P. multocida) is a bacterium that causes bovine respiratory disease (BRD) and haemorrhagic septicaemia (HS) in cattle, buffaloes and bison. Rapid point-of-care diagnosis or regular testing of Pasteurellosis, therefore, could contribute greatly to early detection, and screening infected animal is important. Up to now, there are no published reports on the use of recombinase polymerase amplification (RPA) combined with a lateral flow dipstick (LFD) for P. multocida detection. Results This study proposes a promising isothermal detection method for P. multocida with the potential to be developed as an on-site test for Pasteurellosis. The method includes an RPA combined with LFD. First, the analytical sensitivity and specificity of P. multocida RPA-LFD were tested. The RPA-LFD, performed at 39 °C, successfully detected P. multocida DNA in 30 min, with a detection limit of up to 120 copies per reaction. Then, the practicability of RPA-LFD was analysed using 62 nasal swabs and 33 fresh lungs samples from 17 different dairy farms. Compared to real-time quantitative PCR (qPCR), the RPA-LFD assay yielded a clinical specificity of 95.15%, positive predictive value (PPV) of 95.15% and 0.958 kappa coefficient. Compared with the culture method, it achieved 100% sensitivity, 67.20% specificity and a 0.572 kappa coefficient. Conclusions These results combined with the simple conditions required for the performance of the RPA-LFD assay, have demonstrated the effectiveness and practicability of the method for development into a regular on-site protocol for the diagnosis of Pasteurellosis.
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Affiliation(s)
- Guimin Zhao
- Ruminant Disease Research Center, Key Laboratory of Animal Resistant Biology of Shandong, College of Life Science, Shandong Normal University, No.88 Wenhua East Road, Lixia District, Jinan, 250014, Shandong Province, China
| | - Hongbin He
- Ruminant Disease Research Center, Key Laboratory of Animal Resistant Biology of Shandong, College of Life Science, Shandong Normal University, No.88 Wenhua East Road, Lixia District, Jinan, 250014, Shandong Province, China.
| | - Hongmei Wang
- Ruminant Disease Research Center, Key Laboratory of Animal Resistant Biology of Shandong, College of Life Science, Shandong Normal University, No.88 Wenhua East Road, Lixia District, Jinan, 250014, Shandong Province, China.
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104
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Ujvári B, Makrai L, Magyar T. Virulence gene profiling and ompA sequence analysis of Pasteurella multocida and their correlation with host species. Vet Microbiol 2019; 233:190-195. [PMID: 31176407 DOI: 10.1016/j.vetmic.2019.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 05/02/2019] [Accepted: 05/03/2019] [Indexed: 11/25/2022]
Abstract
This study describes the prevalence of capsule biosynthesis genes, LPS genotypes, virulence associated genes and the analysis of the outer membrane protein (ompA) sequence of Pasteurella multocida isolates (n = 180) from different locations in Hungary, from various host species, including humans. When combining capsular types with LPS genotypes, eight capsule - LPS genotype combinations were detected. A: L3 was the most dominant in bovine and porcine isolates, A: L1 in feline and human isolates, while D: L3 was the most common among strains from small ruminants. The P. multocida toxin encoding gene toxA was highly prevalent among small ruminant and porcine strains, while in human, feline and bovine isolates it could not be detected. Combination of the tested virulence associated genes (hgbA, nanH, hgbB, tbpA, pfhA, hsf1, hsf2, tadD, ptfA) classified our P. multocida isolates into 13 different virulence gene profiles (VGPs). These VGPs showed an association with host species. Analysis of the ompA sequence data confirmed this distribution by host species, which may indicate that host adaptation is taking place. The typing scheme used in this study may be useful in epidemiological investigations.
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Affiliation(s)
- B Ujvári
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 18, 1581 Budapest, Hungary
| | - L Makrai
- Department of Microbiology and Infectious Diseases, University of Veterinary Medicine, Budapest, Hungary
| | - T Magyar
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 18, 1581 Budapest, Hungary.
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105
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Oh YH, Moon DC, Lee YJ, Hyun BH, Lim SK. Genetic and phenotypic characterization of tetracycline-resistant Pasteurella multocida isolated from pigs. Vet Microbiol 2019; 233:159-163. [PMID: 31176403 DOI: 10.1016/j.vetmic.2019.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 04/23/2019] [Accepted: 05/01/2019] [Indexed: 10/26/2022]
Abstract
Pasteurella multocida causes single or complex respiratory disease in pigs. Although antimicrobial therapy is the most effective treatment for porcine respiratory disease, P. multocida shows increased antimicrobial resistance in Korea. Therefore, we aimed to investigate the phenotypic and genotypic characterization of tetracycline-resistant P. multocida. Thirty-seven of 454 P. multocida isolates from South Korea between 2010 and 2016 were selected. Four tet genes [tet(B) (78.4%), tet(H) (16.2%), tet(C) (5.4%), and tet(O) (2.7%)] were observed. This is the first report of tet(C) in P. multocida. Various virulence factors were observed in both tetracycline-resistant and -susceptible P. multocida isolates. Genes encoding pmHAS and pfhA were more prevalent in tetracycline-resistant than in tetracycline-susceptible isolates. Some virulence factors exhibited association with serogroups. tadD and sodA were common in serogroup A, while hsf-l was significantly associated with serogroup D (p < 0.01). Pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) results showed the genetic diversity of tetracycline-resistant P. multocida. MLST showed six different sequence types (ST), with clonal complex 13 encompassing 56.8% of the strains. PFGE was more efficient in differentiating the isolates, and 29 PFGE patterns of the strains were observed. By combining these methods, identical STs and PFGE patterns were observed in isolates from different farms, suggesting that transmission of antimicrobial-resistant P. multocida strains between farms might occur in a geographically discrete population. In future, epidemiological approaches and development of effective vaccines should focus on the major clonal lineages carrying the important virulence factors and frequently observed resistance genes to prevent the transmission and control the disease.
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Affiliation(s)
- Yoon-Hee Oh
- Bacterial Disease Division, Animal and Plant Quarantine Agency, 177 Hyeksin 8-ro, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Dong-Chan Moon
- Bacterial Disease Division, Animal and Plant Quarantine Agency, 177 Hyeksin 8-ro, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Young Ju Lee
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Bang-Hun Hyun
- Bacterial Disease Division, Animal and Plant Quarantine Agency, 177 Hyeksin 8-ro, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Suk-Kyung Lim
- Bacterial Disease Division, Animal and Plant Quarantine Agency, 177 Hyeksin 8-ro, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea.
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106
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Kim J, Kim JW, Oh SI, So B, Kim WI, Kim HY. Characterisation of Pasteurella multocida isolates from pigs with pneumonia in Korea. BMC Vet Res 2019; 15:119. [PMID: 31023320 PMCID: PMC6482538 DOI: 10.1186/s12917-019-1861-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 04/03/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Pasteurella multocida is responsible for significant economic losses in pigs worldwide. In clinically diseased pigs, most P. multocida isolates are characterised as subspecies multocida, biovar 2 or 3 and capsular type A or D; however, there is little information regarding subspecies, biovars, and other capsular types of P. multocida isolates in Korea. Here, we provided information covering an extended time period regarding P. multocida in pigs with pneumonia in Korea using phenotypic and genotypic characterisations and data associated with the minimum inhibitory concentrations. RESULTS The overall prevalence of P. multocida between 2008 and 2016 was 16.8% (240/1430), with 85% of the P. multocida isolates (204/240) coinfected with other respiratory pathogens. Of the 240 isolates, 166 were included in this study; all of these P. multocida isolates were characterised as subspecies multocida and the most prevalent phenotypes were represented by biovar 3 (68.7%; n = 114) and capsular type A (69.9%; n = 116). Additionally, three capsular type F isolates were identified, with this representing the first report of such isolates in Korea. All biovar 1 and 2 isolates were capsular types F and A, respectively. The virulence-associated gene distribution was variable; all capsular type A and D isolates harboured pmHAS and hsf-1, respectively (P < 0.001), with type F (biovar 1) significantly correlated with hsf-1 (P < 0.05) and pfhA (P < 0.01), biovar 2 highly associated with pfhA and pmHAS, and biovar 3 significantly correlated with hsf-1, pmHAS, and hgbB (P < 0.001), whereas biovar 13 was related only to hgbB (P < 0.05). The highest resistance rate was found to be to oxytetracycline (63.3%), followed by florfenicol (16.3%). CONCLUSIONS P. multocida subspecies multocida, biovar 3, and capsular type A was the most prevalent isolate in this study, and our findings indicated the emergence of capsular type F in Korea. Moreover, prudent use of oxytetracycline and florfenicol is required because of the identified high resistance rates. Further studies are required for continuous monitoring of the antimicrobial resistance, prevalence, and epidemiological characterisation of P. multocida, and experimental infection models are needed to define the pathogenicity of capsular type F.
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Affiliation(s)
- Jongho Kim
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, Republic of Korea.,Laboratory of Immunology, College of Veterinary Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Jong Wan Kim
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, Republic of Korea
| | - Sang-Ik Oh
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, Republic of Korea
| | - ByungJae So
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, Republic of Korea
| | - Won-Il Kim
- Laboratory of Immunology, College of Veterinary Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea
| | - Ha-Young Kim
- Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, Republic of Korea.
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107
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Cid D, García-Alvarez A, Domínguez L, Fernández-Garayzábal JF, Vela AI. Pasteurella multocida isolates associated with ovine pneumonia are toxigenic. Vet Microbiol 2019; 232:70-73. [PMID: 31030847 DOI: 10.1016/j.vetmic.2019.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/01/2019] [Accepted: 04/05/2019] [Indexed: 02/04/2023]
Abstract
The P. multocida toxin (PMT), a dermonecrotic protein encoded by the toxA gene, is the major virulence factor of capsular type D P. multocida strains causing progressive atrophic rhinitis (PAR) in pigs. A high frequency of P. multocida isolates harboring the toxA gene has been found among ovine pneumonic isolates, although the ability of these isolates to express PMT has never been examined. In this study we have investigated the ability of ovine toxA+ P. multocida isolates (n = 57) to express a functional toxin by detection of PMT toxin antigen using an ELISA test and its cytopathic effect in a Vero cell assay. PMT antigen was expressed in the great majority (54/57; 94.7%) of toxA+ isolates. Moreover, the 100% toxA+ ovine isolates analyzed produced a cytopathic effect in Vero cells within 24-48 h post-inoculation, identical to that described for porcine toxigenic P. multocida isolates. These results show for the first time that, in addition to isolates associated with PAR, isolates of P. multocida associated with pneumonia in sheep are also toxigenic. In addition, we found a total agreement (Kappa = 1; C.I. 0.75-1.25) between the detection of the toxA gene and the toxigenic capability of P. multocida isolates, indicating the PCR detection of toxA would be a suitable predictive marker of the toxigenic fitness of P. multocida.
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Affiliation(s)
- D Cid
- Animal Health Department, Veterinary School, Universidad Complutense de Madrid, Spain.
| | - A García-Alvarez
- Animal Health Department, Veterinary School, Universidad Complutense de Madrid, Spain
| | - L Domínguez
- Animal Health Department, Veterinary School, Universidad Complutense de Madrid, Spain; Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
| | - J F Fernández-Garayzábal
- Animal Health Department, Veterinary School, Universidad Complutense de Madrid, Spain; Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
| | - A I Vela
- Animal Health Department, Veterinary School, Universidad Complutense de Madrid, Spain; Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, Madrid, Spain
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108
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Bessone FA, Perez MLS, Zielinski G, Dibarbora M, Conde MB, Cappuccio J, Alustiza F. Characterization and comparison of strains of Pasteurella multocida associated with cases of progressive atrophic rhinitis and porcine pneumonia in Argentina. Vet World 2019; 12:434-439. [PMID: 31089314 PMCID: PMC6487256 DOI: 10.14202/vetworld.2019.434-439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 02/06/2019] [Indexed: 11/17/2022] Open
Abstract
Background: Pasteurella multocida (Pm) is the causative agent of progressive atrophic rhinitis (PAR) and pneumonic pasteurellosis (PN) in pigs. Pm is a member of the porcine respiratory complex responsible for important economic loss in the pig industry. Aim: This study aimed to characterize the Pm strains recovered from clinical cases of PN and PAR and to elucidate the antibiotic susceptibility profiles of the strains. Materials and Methods: Sixty strains were characterized molecularly by polymerase chain reaction to determine species-specific gene, capsular type (A or D), and toxin A production. The agar diffusion method was employed to evaluate antibiotic resistance profiles. Results: We found that 65% of strains belonged to capsular type A or D, and 15% of those were positive to toxA gene. The antibiotic susceptibility profiles found were sensitive in decreasing order to: Enrofloxacin, ceftiofur (CTF), ampicillin, tilmicosin (TIL), florfenicol (FFN), spectinomycin (SPC), gentamicin, oxytetracycline (OTC), and trimethoprim-sulfamethoxazole (TMS). Strains were resistant in decreasing order to: Lincomycin (LIN), tylosin (TYL), erythromycin (ERY), TMS, SPC, OTC, FFN, TIL, and CTF. Conclusion: The toxA gene was detected in many Pm isolates from pneumonic lungs. Capsule type A or D was the most frequently found among the collected isolates. LIN, TYL, and ERY are the drugs which showed higher percentages of resistant isolates.
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Affiliation(s)
- Fernando A. Bessone
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina
| | - Maria Laura Soriano Perez
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina; CONICET, Buenos Aires, Argentina
| | - Gustavo Zielinski
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina
| | - Marina Dibarbora
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina; CONICET, Buenos Aires, Argentina
| | - M. B. Conde
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina
| | - Javier Cappuccio
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina; CONICET, Buenos Aires, Argentina
| | - Fabrisio Alustiza
- Department of Animal Health, Instituto Nacional de Tecnologia Agropecuaria, Estacion Experimental Agropecuaria Marcos Juarez, Marcos Juarez, Cordoba, Argentina
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109
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Rawat N, Gilhare VR, Kushwaha KK, Hattimare DD, Khan FF, Shende RK, Jolhe DK. Isolation and molecular characterization of Mannheimia haemolytica and Pasteurella multocida associated with pneumonia of goats in Chhattisgarh. Vet World 2019; 12:331-336. [PMID: 31040578 PMCID: PMC6460873 DOI: 10.14202/vetworld.2019.331-336] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 01/02/2019] [Indexed: 11/20/2022] Open
Abstract
Aim: The purpose of this study was to isolate and characterize the Mannheimia haemolytica and Pasteurella multocida from blood, nasal discharge, and lung tissue of pneumonic goats. Materials and Methods: A total of 14 goats were investigated for pneumonic pasteurellosis. Of 14 goats, nasal swabs and blood samples were collected from 10 clinically diseased animals. Moreover, lung tissue and heart blood samples were collected during necropsy of four goats died with pneumonia. All the samples were processed for the isolation of M. haemolytica and P. multocida in the laboratory. Bacterial isolates were identified by cultural and biochemical characters and 16S rRNA sequence analysis. All the isolates were subjected to susceptibility testing using commonly used antimicrobials. M. haemolytica isolates were characterized by PHSSA gene detection. P. multocida isolates were characterized by KMT1 gene detection and capsule typing. Results: On necropsy of dead goats, the pneumonia was characterized as acute fibrinous bronchopneumonia. Bacterial culture revealed the isolation of M. haemolytica (7) and P. multocida (5) of 10 clinical cases. Moreover, M. haemolytica and P. multocida were coisolated from two of the lung tissues. Furthermore, one of the other two lung tissues showed the isolation of M. haemolytica while the other showed recovery of P. multocida. Bacterial isolates were specifically identified by the 16S rRNA sequence analysis. The isolates showed reduced susceptibility to β-lactams, aminoglycosides, and fluoroquinolones. Moreover, the PHSSA and KMT1 genes were specifically detected among M. haemolytica, and P. multocida isolates, respectively. All P. multocida isolates belonged to serogroup A. Conclusion: The present study reported an occurrence of pneumonic pasteurellosis caused by M. haemolytica and P. multocida in a goat flock.
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Affiliation(s)
- Nidhi Rawat
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Varsha Rani Gilhare
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Krishna Kumar Kushwaha
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Deeksha Dipak Hattimare
- Department of Veterinary Public Health and Epidemiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Foziya Farzeen Khan
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Rajesh Kumar Shende
- Department of Veterinary Microbiology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
| | - Dhananjay Kumar Jolhe
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Anjora, Durg, Chhattisgarh, India
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Orynbayev M, Sultankulova K, Sansyzbay A, Rystayeva R, Shorayeva K, Namet A, Fereidouni S, Ilgekbayeva G, Barakbayev K, Kopeyev S, Kock R. Biological characterization of Pasteurella multocida present in the Saiga population. BMC Microbiol 2019; 19:37. [PMID: 30744550 PMCID: PMC6371526 DOI: 10.1186/s12866-019-1407-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 01/30/2019] [Indexed: 11/10/2022] Open
Abstract
Background This study provides biochemical and molecular genetic characteristics of P. multocida isolated from dead saigas in 1988, 2010–2015 on the territory of the Republic of Kazakhstan. Results Bacteriological samples taken from carcasses of saiga antelope during mortality events recorded in West Kazakhstan in both 2010 and 2011 and in Kostanay in 2012 and 2015 confirmed the presence of P. multocida, according to morphological and biochemical characterisation. Only in the event of 2015 was the agent proven to be the causative agent of the disease observed, haemorrhagic septicaemia. In the other mortality events it is not certain if the organism was a primary aetiology or an incidental finding as confirmatory pathological investigation was not undertaken. The implemented phylogenetic analysis of ribosomal RNA 16S gene allowed us to identify Pasteurella strains isolated in 2010–2015 as P. multocida subspecies multocida. Capsular typing by PCR showed that the studied strains isolated from dead saiga in 2010, 2011, 2012 and 2015 belonged to serotype B. MLST analysis showed that these strains of P. multocida are of the capsule type B and form one clonal grouping with isolates ST64, ST44, ST45, ST46, ST44, ST47 which isolated from cases of hemorrhagic septicemia of animals in Hungary, Burma, Sri Lanka, Pakistan and Spain. Sixteen virulence genes of the five strains of P. multocida, isolated from saigas were studied using multiplex PCR. ptfA, ompA, ompH, oma87, plpB, fimA, hsf-2, pfhA, exbB, tonB, hgbA, fur, nanB, nanH and pmHAS genes were detected in all strains. The toxA gene was not identified in the studied strains. The phylogenies of these isolates is compared across saiga populations and years and the 2015 isolate was compared to that of an isolate from a disease outbreak in 1988 and the findings suggest that these isolated bacteria are stable commensals, opportunistically pathogenic, being phylogenetically uniform with very little genetic variation notable over the last 4 decades. Conclusion Isolation, phenotypic and genetic characterization of the P. multocida isolates inform understanding of the epidemiology of infection in saigas and predict virulent potential of these opportunistic bacteria.
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Affiliation(s)
- Mukhit Orynbayev
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan.
| | - Kulyaisan Sultankulova
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan
| | - Abylay Sansyzbay
- Kazakh National Agrarian University, 050010, Almaty, Abai Avenue 8, Republic of Kazakhstan
| | - Rashida Rystayeva
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan
| | - Kamshat Shorayeva
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan
| | - Aidar Namet
- Kazakh Scientific Research Veterinary Institute, 050016, Almaty, Raymbek Avenue 223, Republic of Kazakhstan
| | - Sasan Fereidouni
- Research Institute of Wildlife Ecology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Gulnaz Ilgekbayeva
- Kazakh National Agrarian University, 050010, Almaty, Abai Avenue 8, Republic of Kazakhstan
| | - Kainar Barakbayev
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan
| | - Syrym Kopeyev
- Research Institute for Biological Safety Problems, Ministry of Education and Science of Republic of Kazakhstan - Science Committee, 080409, Gvardeiskiy, Kordaiskiy rayon, Zhambylskaya oblast, Republic of Kazakhstan
| | - Richard Kock
- Royal Veterinary College, Hawkshead Lane, Hatfield, Herts, AL9 7TA, UK
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Niemann L, Feudi C, Eichhorn I, Hanke D, Müller P, Brauns J, Nathaus R, Schäkel F, Höltig D, Wendt M, Kadlec K, Schwarz S. Plasmid-located dfrA14 gene in Pasteurella multocida isolates from three different pig-producing farms in Germany. Vet Microbiol 2019; 230:235-240. [PMID: 30827394 DOI: 10.1016/j.vetmic.2019.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 01/15/2019] [Accepted: 01/16/2019] [Indexed: 11/15/2022]
Abstract
Pasteurella multocida is an important respiratory tract pathogen in intensive livestock farming, especially in pigs. Antimicrobial agents are frequently used to combat infections caused by this pathogen. In a study on antimicrobial resistance among respiratory tract pathogens of pigs from 30 German pig-producing farms, P. multocida isolates (n = 9) with high minimal inhibitory concentration (MIC) values of 16/304 mg/L (n = 2), 32/608 mg/L (n = 3) or ≥64/1216 mg/L (n = 4) for trimethoprim/sulfamethoxazole (1:19) and of ≥512 mg/L (n = 9) for trimethoprim (TMP) were detected in three of these farms. The genetic relatedness of the isolates was investigated via capsule-specific PCR and macrorestriction analyses with ApaI and SmaI. Pulsed-field gel electrophoresis revealed indistinguishable restriction patterns per farm, with slight differences between the three farms. All isolates represented capsular type A. Four representative isolates, that were subjected to whole genome sequencing, shared the multi-locus sequence type (ST) 3. Their plasmids were transformed into E. coli TOP10 with subsequent selection on TMP-containing agar plates. Antimicrobial susceptibility testing and plasmid analysis of the transformants confirmed that they were resistant to sulfonamides and trimethoprim and carried only a single small plasmid. This plasmid was completely sequenced and revealed a size of 6050 bp. Sequence analyses identified the presence of a resistance gene cluster comprising the genes sul2-ΔstrA-dfrA14-ΔstrA-ΔstrB. Further analysis identified a dfrA14 gene cassette being integrated into the strA reading frame. Neither the gene dfrA14 nor this gene cluster have been detected before in P. multocida.
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Affiliation(s)
- Lisa Niemann
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany; Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut (FLI), Neustadt-Mariensee, Germany
| | - Claudia Feudi
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany
| | - Inga Eichhorn
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany
| | - Dennis Hanke
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany
| | - Petra Müller
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Jasmin Brauns
- Clinic for Swine and Small Ruminants and forensic Medicine and Ambulatory Services, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | - Franziska Schäkel
- Institute for Biometry, Epidemiology and Information Processing, WHO Collaborating Centre for Research and Training for Health at the Human-Animal-Environment Interface, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Doris Höltig
- Clinic for Swine and Small Ruminants and forensic Medicine and Ambulatory Services, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Michael Wendt
- Clinic for Swine and Small Ruminants and forensic Medicine and Ambulatory Services, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Kristina Kadlec
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut (FLI), Neustadt-Mariensee, Germany
| | - Stefan Schwarz
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany.
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Ujvári B, Weiczner R, Deim Z, Terhes G, Urbán E, Tóth AR, Magyar T. Characterization of Pasteurella multocida strains isolated from human infections. Comp Immunol Microbiol Infect Dis 2019; 63:37-43. [PMID: 30961816 DOI: 10.1016/j.cimid.2018.12.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 12/12/2018] [Accepted: 12/21/2018] [Indexed: 11/16/2022]
Abstract
Isolates of Pasteurella multocida recovered from infected humans (n = 15) were characterized by traditional and molecular microbiological methods and were compared with cat-derived strains (n = 5). The most prevalent subspecies among strains from human infections was P. multocida subsp. septica (80%), and nearly all isolates showed a similar combination of virulence-associated genes. MLST analysis classified the 20 P. multocida strains into 16 different sequence types, and we assigned 11 new sequence types (ST), however, only one of those (ST 334) was shared by two human and one cat isolates. P. multocida subsp. septica strains formed a distinct phylogenetic group within the species. The strains showed resistance to erythromycin, clindamycin and sulfamethoxazole, and with two exceptions, resistance to tilmicosin was also detected. Each strain was susceptible to ampicillin, streptomycin, gentamycin, tetracycline, doxycycline, cefazolin, cefpodoxime, chloramphenicol, florfenicol and enrofloxacin. Common characteristics (virulence profile and antibiotic sensitivity pattern) shared by strains isolated from humans and cats support the view that domestic cats may serve as a potential reservoir for P. multocida.
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Affiliation(s)
- B Ujvári
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 18, 1581 Budapest, Hungary
| | - R Weiczner
- Albert Szent-Györgyi Health Centre, Faculty of Medicine, University of Szeged, Tisza Lajos krt. 107, 6725 Szeged, Hungary
| | - Z Deim
- Department of Biotechnology, University of Szeged, Közép fasor 52, 6726 Szeged, Hungary
| | - G Terhes
- Faculty of Medicine, Institute of Clinical Microbiology, University of Szeged, Semmelweis u. 6, 6725 Szeged, Hungary
| | - E Urbán
- Faculty of Medicine, Institute of Clinical Microbiology, University of Szeged, Semmelweis u. 6, 6725 Szeged, Hungary
| | - A R Tóth
- Med-Forensic Bt., Ady Endre u. 26, 6762 Sándorfalva, Hungary
| | - T Magyar
- Institute for Veterinary Medical Research, Centre for Agricultural Research, Hungarian Academy of Sciences, P.O. Box 18, 1581 Budapest, Hungary.
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MISHRA MADHU, SUMITHRA TG, KUMAR SANTOSH, GUPTA SANTOSHKUMAR, AGARWAL RAJESHKUMAR, NAGALEEKAR VISWASKONASAGARA. Phylogenetic analysis of Indian isolates of Pasteurella multocida based on partial 16S rRNA gene sequences: Association of caprine isolate with lineage B. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2018. [DOI: 10.56093/ijans.v88i12.85755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pasteurella multocida is responsible for diseases, which are endemic and economically important in India, still comparative investigations on phylogenetic relations of Indian P. multocida isolates are scarce. Therefore, present study was undertaken to understand the phylogenetic relationship of several isolates belonging to different host, place of isolation and capsular types based on partial 16S rRNA gene sequencing. In the current study, a 838 bp fragment of 16S rRNA gene of 35 field isolates of P. multocida belonging to different capsular types, recovered from cattle, buffalo, sheep, goat, pigs and birds, collected from different states of India sequenced and analyzed. There were 12 unique 16S rRNA types among 35 isolates, which clustered into 2 distinct phylogenetic lineages, viz. A and B. There were strong correlations between the phylogenetic relations and capsular types, with maximum heterogeneity seen among isolates of capsular type A. However, there was no clustering based on the host or place of isolation indicating the potential hazard of interspecies sharing and the possibility of translocation of infected animals across international borders. Moreover, one of the caprine isolates belonged to lineage B. To the best of our knowledge, this is the first report of a caprine isolate in lineage B, since lineage B is reported to be exclusively associated with birds and cats. It may be alarming that the strains of lineage B are becoming adapted to different host species.
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Petrocchi-Rilo M, Gutiérrez-Martín CB, Méndez-Hernández JI, Rodríguez-Ferri EF, Martínez-Martínez S. Antimicrobial resistance of Pasteurella multocida isolates recovered from swine pneumonia in Spain throughout 2017 and 2018. Vet Anim Sci 2018; 7:100044. [PMID: 32734066 PMCID: PMC7386669 DOI: 10.1016/j.vas.2018.100044] [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: 06/26/2018] [Revised: 12/07/2018] [Accepted: 12/10/2018] [Indexed: 01/12/2023] Open
Abstract
A total of 32 Pasteurella multocida isolates were obtained from 60 cases of swine pneumonic lungs collected in “Castilla y León” (northwestern Spain) between November 2017 and April 2018. Capsular type A isolates were isolated from 96.9% cases and capsular type D from the remaining 3.1%. All isolates were characterized for their susceptibilities to eight antimicrobial agents and the presence of eight resistance genes. The frequency of susceptibility was lower than 60% in four of the drugs, 84.4% of the isolates showed resistance to at least two compounds, and 46.9% to a combination of three drugs. The resistance patterns suggested that enrofloxacin, chloramphenicol, tetracycline and cefotaxime were the compounds most likely active to P. multocida. The usage of PCR revealed that ermC, blaROB1, tetB and msrE genes occurred in more than 37.0% isolates, that suggested its putative accountability in the resistance of the strains harbor them. However, most were detected in susceptible strains and only a genetic explanation for the resistance could be linked to erythromycin. Therefore, the resistances to clyndamicin, cotrimoxazol, β-lactams and tetracyclin observed by phenotypic testing remains genetically unexplained and further investigations are required.
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Affiliation(s)
- M Petrocchi-Rilo
- Department of Animal Health, Faculty of Veterinary Medicine, University of León, Spain
| | - C B Gutiérrez-Martín
- Department of Animal Health, Faculty of Veterinary Medicine, University of León, Spain
| | - J I Méndez-Hernández
- Department of Animal Health, Faculty of Veterinary Medicine, University of León, Spain
| | - E F Rodríguez-Ferri
- Department of Animal Health, Faculty of Veterinary Medicine, University of León, Spain
| | - S Martínez-Martínez
- Department of Animal Health, Faculty of Veterinary Medicine, University of León, Spain
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115
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Legesse A, Abayneh T, Mamo G, Gelaye E, Tesfaw L, Yami M, Belay A. Molecular characterization of Mannheimia haemolytica isolates associated with pneumonic cases of sheep in selected areas of Central Ethiopia. BMC Microbiol 2018; 18:205. [PMID: 30518323 PMCID: PMC6280500 DOI: 10.1186/s12866-018-1338-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 11/14/2018] [Indexed: 11/24/2022] Open
Abstract
Background Mannheimia haemolytica has been recognized as the principal cause of pneumonic pasteurellosis in sheep and goats. It is one of the important diseases of small ruminants in Ethiopia. While annual vaccination using a monovalent vaccine (inactivated Pasteurella multocida biotype A) is common, respiratory diseases are still reported in various parts of Ethiopia. This suggests the need for further investigation into the species and strains responsible for the disease, which is vital information for development of a multivalent vaccine. The objective of the current study was to isolate M. heamolytica associated with pneumonic cases of sheep in selected areas of Central Ethiopia, determine its role and the strains/genotypes of the bacterium circulating in the study area. Results Bacteriological analysis of nasal swab samples collected from a total of 76 pneumonic cases of sheep showed that M. haemolytica was isolated from 26 of them while B.trehalosi from two cases. Further molecular analyses of the isolates using M. haemolytica species-specific and M.haemolytica serotype-1 antigen specific PCR assays revealed, 26 of the isolates were identified as M. haemolytica of which 21 of them were M. haemolytica serotype-1. Both M. haemolytica and B.trehalosi isolates were not detected in a PCR assay targeting capsular biosynthesis gene (capA) of P.multocida despite the non-specific products observed in M. haemolytica isolates. Phylogenetic analysis of M. haemolytica isolates included in this study in comparison with the reference strains with respect to PHSSA and Rpt2 genes revealed that the Ethiopian M. haemolytica isolates constituted three distinct genotypes consistent with site of origin. Conclusion The study indicated that M.haemolytica is commonly associated with cases of pneumonia in sheep in the study areas of central Ethiopia although the remaining other pathogens responsible for majority of the cases are yet to be determined. Molecular characterization revealed the existence of three genotypes of M. haemolytica circulating in the study areas consistent to the site of isolation. The findings suggest further extensive work to determine all pathogens associated with sheep pneumonia and the strain distribution of M. heamolytica to understand its molecular epidemiology at national level and design cost effective prevention and control methods.
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Affiliation(s)
- Abinet Legesse
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Takele Abayneh
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia.
| | - Gezahegne Mamo
- College of Veterinary Medicine and Agriculture, Addis Ababa University, P.O. Box 34, Bishoftu, Ethiopia
| | - Esayas Gelaye
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Liyuwork Tesfaw
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Martha Yami
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Alebachew Belay
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
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Aida Y, Kiwamoto T, Fujita K, Ishikawa H, Kitazawa H, Watanabe H, Hizawa N. Pasteurella multocida pneumonia with hemoptysis: A case report. Respir Med Case Rep 2018; 26:31-34. [PMID: 30510895 PMCID: PMC6258366 DOI: 10.1016/j.rmcr.2018.11.004] [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: 08/09/2018] [Revised: 11/03/2018] [Accepted: 11/03/2018] [Indexed: 11/20/2022] Open
Abstract
Pasteurella multocida, which colonizes upper respiratory and digestive tracts, is a leading cause of respiratory diseases in many host species. Here, we describe a case of P. multocida pneumonia with hemoptysis. A 72-year-old female diagnosed with bronchiectasis with a 36-year history presented with a worsened infiltrative and granular shadow in the lower right lobe and lingular segment. Bronchial lavage fluid culturing suggested Pasteurella pneumonia. P. multocida was confirmed by 16S rRNA sequencing. The patient was readmitted to our hospital because of hemoptysis, and she was treated successfully with antibiotic therapy. The possibility of P. multocida infection must be considered in patients who own pets.
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Affiliation(s)
| | - Takumi Kiwamoto
- Corresponding author. Department of Pulmonary Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
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Abd El-Hamid MI, El-Sayed ME, Ali AR, Abdallah HM, Arnaout MI, El-Mowalid GA. Marjoram extract down-regulates the expression of Pasteurella multocida adhesion, colonization and toxin genes: A potential mechanism for its antimicrobial activity. Comp Immunol Microbiol Infect Dis 2018; 62:101-108. [PMID: 30711039 DOI: 10.1016/j.cimid.2018.11.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 06/16/2018] [Accepted: 11/21/2018] [Indexed: 10/27/2022]
Abstract
Due to the emergence of virulent and antibiotic-resistant microbes, natural antimicrobials from herbal origins have been given more attention as an alternative therapy. This study provides an in vitro research framework to investigate the antibacterial activities of 5 herbal (marjoram, garlic, onion, cinnamon and black seed) oil extracts against 16 multidrug-resistant (MDR) and virulent P. multocida serogroup A isolates recovered from dead and clinically diseased rabbits. Pathogenicity of the screened isolates was further proven experimentally and was verified by PCR analyses of 5 randomly selected virulence genes encoding attachment and colonization proteins (ptfA, pfhA, and omp87), sialidases (nanB) and dermonecrotoxin (toxA). A total of 12 P. multocida isolates were highly pathogenic with the possession of all examined virulence genes, while the other 4 isolates were of lower pathogenicity with expression of the target genes except toxA. In vitro anti-P. multocida activities of the 5 extracts and their synergism rates with 4 antibiotic drugs revealed that marjoram and cinnamon extracts had the highest antibacterial activities and the highest synergism rates against the screened isolates. Pasteurella multocida virulence gene expression profiles were assessed via real-time quantitative reverse transcription PCR (qRT-PCR) in response to marjoram extract. The quantitative analyses showed less than five-fold reduction in the targeted virulence genes expression in presence of marjoram extract compared with the control. The findings from this study document a novel molecular inhibitory activity of marjoram against P. multocida multiple virulence genes and provide a proof of concept for its implementation as an alternative candidate for the treatment of pasteurellosis in farm animals in future.
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Affiliation(s)
- Marwa I Abd El-Hamid
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - M E El-Sayed
- Department of Microbiology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Aisha R Ali
- Department of Serology, Animal Health Research Institute, Dokki, Giza, Egypt
| | - H M Abdallah
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Marwa I Arnaout
- Department of Serology, Animal Health Research Institute, Dokki, Giza, Egypt
| | - Gamal A El-Mowalid
- Department of Microbiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt.
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Insights into the genome sequence of ovine Pasteurella multocida type A strain associated with pneumonic pasteurellosis. Small Rumin Res 2018. [DOI: 10.1016/j.smallrumres.2018.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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119
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Varinrak T, Muenthaisong A, Apinda N, Sawada T, Sthitmatee N. Construction and characterization of an OmpH-deficient mutant of Pasteurella multocida strain X-73. Avian Pathol 2018; 48:4-11. [DOI: 10.1080/03079457.2018.1533239] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Thanya Varinrak
- Faculty of Veterinary Medicine, Chiang Mai University, Muang, Chiang Mai, Thailand
| | - Anucha Muenthaisong
- Faculty of Veterinary Medicine, Chiang Mai University, Muang, Chiang Mai, Thailand
| | - Nisachon Apinda
- Faculty of Veterinary Medicine, Chiang Mai University, Muang, Chiang Mai, Thailand
| | - Takuo Sawada
- Faculty of Veterinary Medicine, Chiang Mai University, Muang, Chiang Mai, Thailand
- Laboratory of Veterinary Microbiology, Nippon Veterinary and Life Science University, Musashino, Tokyo, Japan
| | - Nattawooti Sthitmatee
- Faculty of Veterinary Medicine, Chiang Mai University, Muang, Chiang Mai, Thailand
- Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai, Thailand
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120
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Microbial production and metabolic engineering of chondroitin and chondroitin sulfate. Emerg Top Life Sci 2018; 2:349-361. [PMID: 33525790 DOI: 10.1042/etls20180006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 06/07/2018] [Accepted: 06/26/2018] [Indexed: 11/17/2022]
Abstract
Several commercial uses and potential novel applications have recently been described for chondroitin sulfate (CS). However, the currently applied animal extractive procedure has a high environmental impact, which may become more profound especially in relation to the forecasted expansion of the CS market for applications as a food supplement, pharmaceutical ingredient, and biopolymer in materials for regenerative medicine. This issue, together with religious and consumer concerns, has prompted the good manufacturing practice (GMP) of chondroitin and CS. This is achievable by combining the design of metabolically engineered microorganisms and tailor-made fermentation processes with semi-synthetic or enzyme-based approaches. The final target is to obtain molecules with specific sulfation patterns that resemble those occurring in natural products and improve the sulfation motif or introduce specific substitutions, such as fucosylation, to tune the biological function. The frontier that is currently triggering attention is related to evaluating the bioactivity of unsulfated chondroitin. Due to recent advancements in the field, a brief survey of the most recent patent and research literature is discussed here.
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Sarker MSA, Rahman MT, Mahmud MM, Tagliamonte MS, Chowdhury SMZH, Islam MR, Rahman MB, El Zowalaty ME, Nazir KHMNH. First Genome Sequence of Pasteurella multocida Type B Strain BAUTB2, a Major Pathogen Responsible for Mortality of Bovines in Bangladesh. Microbiol Resour Announc 2018; 7:e00901-18. [PMID: 30533939 PMCID: PMC6256531 DOI: 10.1128/mra.00901-18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 07/31/2018] [Indexed: 11/20/2022] Open
Abstract
Here, we report the first genome sequence of Pasteurella multocida BAUTB2 isolated from a buffalo that died from hemorrhagic septicemia in Rajshahi, Bangladesh. Using Illumina HiSeq technology, the BAUTB2 genome length was determined to be 2,439,149 bp, with 40.8% GC content, 2,307 coding sequences (CDS), 6 rRNAs, 51 tRNAs, and 4 noncoding RNAs (ncRNAs).
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Affiliation(s)
- M. Shahjahan Ali Sarker
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - M. Tanvir Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - M. Muket Mahmud
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Massimiliano S. Tagliamonte
- Department of Pathology, College of Medicine, University of Florida, Gainesville, Florida, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | | | - Mohammad Rahfiqul Islam
- Livestock Division, Bangladesh Agricultural Research Council (BARC), Farmgate, Dhaka, Bangladesh
| | - M. Bahanur Rahman
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Mohamed E. El Zowalaty
- Virology and Microbiology Research Laboratory, School of Health Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - K. H. M. Nazmul Hussain Nazir
- Department of Microbiology and Hygiene, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
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Oliveira Filho JXD, Morés MAZ, Rebellato R, Kich JD, Cantão ME, Klein CS, Guedes RMC, Coldebella A, Barcellos DESND, Morés N. Pathogenic variability among Pasteurella multocida type A isolates from Brazilian pig farms. BMC Vet Res 2018; 14:244. [PMID: 30134904 PMCID: PMC6103967 DOI: 10.1186/s12917-018-1565-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 08/08/2018] [Indexed: 11/10/2022] Open
Abstract
Background Pasteurella multocida type A (PmA) is considered a secondary agent of pneumonia in pigs. The role of PmA as a primary pathogen was investigated by challenging pigs with eight field strains isolated from pneumonia and serositis in six Brazilian states. Eight groups of eight pigs each were intranasally inoculated with different strains of PmA (1.5 mL/nostril of 10e7 CFU/mL). The control group (n = 12) received sterile PBS. The pigs were euthanized by electrocution and necropsied by 5 dpi. Macroscopic lesions were recorded, and swabs and fragments of thoracic and abdominal organs were analyzed by bacteriological and pathological assays. The PmA strains were analyzed for four virulence genes (toxA: toxin; pfhA: adhesion; tbpA and hgbB: iron acquisition) by PCR and sequencing and submitted to multilocus sequence typing (MLST). Results The eight PmA strains were classified as follows: five as highly pathogenic (HP) for causing necrotic bronchopneumonia and diffuse fibrinous pleuritis and pericarditis; one as low pathogenic for causing only focal bronchopneumonia; and two as nonpathogenic because they did not cause injury to any pig. PCR for the gene pfhA was positive for all five HP isolates. Sequencing demonstrated that the pfhA region of the HP strains comprised four genes: tpsB1, pfhA1, tpsB2 and pfhA2. The low and nonpathogenic strains did not contain the genes tpsB2 and pfhA2. A deletion of four bases was observed in the pfhA gene in the low pathogenic strain, and an insertion of 37 kb of phage DNA was observed in the nonpathogenic strains. MLST clustered the HP isolates in one group and the low and nonpathogenic isolates in another. Only the nonpathogenic isolates matched sequence type 10; the other isolates did not match any type available in the MLST database. Conclusions The hypothesis that some PmA strains are primary pathogens and cause disease in pigs without any co-factor was confirmed. The pfhA region, comprising the genes tpsB1, tpsB2, pfhA1 and pfhA2, is related to the pathogenicity of PmA. The HP strains can cause necrotic bronchopneumonia, fibrinous pleuritis and pericarditis in pigs and can be identified by PCR amplification of the gene pfhA2.
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Affiliation(s)
- João Xavier de Oliveira Filho
- Department of Animal Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Agronomia, Av Bento Gonçalves, 9090, Porto Alegre, Rio Grande do Sul, 91540-000, Brazil
| | | | - Raquel Rebellato
- Embrapa Suinos e Aves, P.O. Box 121, Concórdia, Santa Catarina, 89700-000, Brazil
| | - Jalusa Deon Kich
- Embrapa Suinos e Aves, P.O. Box 121, Concórdia, Santa Catarina, 89700-000, Brazil.
| | | | - Catia Silene Klein
- Embrapa Suinos e Aves, P.O. Box 121, Concórdia, Santa Catarina, 89700-000, Brazil
| | | | - Arlei Coldebella
- Embrapa Suinos e Aves, P.O. Box 121, Concórdia, Santa Catarina, 89700-000, Brazil
| | - David Emílio Santos Neves de Barcellos
- Department of Animal Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Agronomia, Av Bento Gonçalves, 9090, Porto Alegre, Rio Grande do Sul, 91540-000, Brazil
| | - Nelson Morés
- Embrapa Suinos e Aves, P.O. Box 121, Concórdia, Santa Catarina, 89700-000, Brazil
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Oh YH, Moon DC, Lee YJ, Hyun BH, Lim SK. Antimicrobial resistance of Pasteurella multocida strains isolated from pigs between 2010 and 2016. Vet Rec Open 2018; 5:e000293. [PMID: 30109029 PMCID: PMC6078253 DOI: 10.1136/vetreco-2018-000293] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 07/01/2018] [Accepted: 07/02/2018] [Indexed: 11/17/2022] Open
Abstract
Pasteurella multocida is one of the significant causes of respiratory infection outbreaks in the Korean pig industry. Although antimicrobial treatment is an effective strategy for controlling respiratory diseases, limited information is available regarding the antimicrobial susceptibility of the pathogens infecting Korean pigs. Therefore, in this study, we evaluated the antimicrobial resistance of P multocida against widely used antimicrobials in order to enable the selection of appropriate drugs and to evaluate any trends in resistance. A total of 454 isolates of P multocida were collected from all provinces in Korea between 2010 and 2016. Antimicrobial susceptibility of all isolates was determined using a broth microdilution method. The most frequently observed resistance was to sulphadimethoxine (76.0 per cent), followed by oxytetracycline (66.5 per cent), chlortetracycline (36.8 per cent) and florfenicol (18.5 per cent). Although no consistent increase or decrease in resistance was observed for most antimicrobials, resistance to fluoroquinolones tended to increase over the study period. A variety of resistance patterns were observed, most frequently for tetracyclines and sulphonamides. These findings could provide information enabling the selection of optimal antimicrobials for efficient treatment of pneumoniae pasteurellosis in pig farms, which would impede the emergence of antimicrobial resistance.
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Affiliation(s)
- Yoon-Hee Oh
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Dong-Chan Moon
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Young Ju Lee
- Department of Public Health, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Bang-Hun Hyun
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Suk-Kyung Lim
- Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
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Abbas AM, Abd El-Moaty DAM, Zaki ESA, El-Sergany EF, El-Sebay NA, Fadl HA, Samy AA. Use of molecular biology tools for rapid identification and characterization of Pasteurella spp. Vet World 2018; 11:1006-1014. [PMID: 30147273 PMCID: PMC6097567 DOI: 10.14202/vetworld.2018.1006-1014] [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: 02/15/2018] [Accepted: 06/07/2018] [Indexed: 11/20/2022] Open
Abstract
Aim: This study aimed to create rapid characterization and genotyping of Pasteurella multocida (PM) protocol using modern molecular biology techniques. Materials and Methods: Thirty bacterial isolates were characterized by capsular and somatic identification using conventional procedure followed by multiplex polymerase chain reaction (PCR), restriction endonucleases analysis (REA), and finally confirmed by sequence analysis. Two local vaccine strains and two field isolates were identified as PM Type A and B. Results: A total of 30 isolates were found positive for PM either morphologically and biochemically; however, multiplex PCR technique identified only 22 isolates as Pasteurella species using universal primers while 8 isolates were found negative for PM. 12 of 22 isolates (54%) were characterized at the same reaction into PM Type A, five isolates (23%) were Type B and the rest five isolates (23%) of tested isolates were negative for Types A, B, and D. Hemorrhagic septicemia Type B: 2 or B: 5 could be identified somatically within PM capsular serogroup B using PCR technique. Somatic characterization of PM was done using REA that could identify all PM Type A into A:1 and all PM Type B into B: 2. These protocols were verified for its accuracy and reliability by sequence analysis of two vaccine strains of PM Type A and B that were characterized previously by biochemical and serological methods as well as two selected isolates from the 22 positive isolates representing PM Type A and B. Conclusion: PCR and REA could confirm the identity of PM and provide a rapid and reliable characterization in comparison with biochemical analysis and conventional serotyping that may take up to 2 weeks. Hence, they can reduce the time needed for polyvalent vaccine production and when the reference antisera are unavailable. Moreover, the identity of Omp-H for vaccine and field strains may provide better data to control Pasteurellosis in Egypt.
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Affiliation(s)
- Ashraf M Abbas
- Genetic Engineering Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - Dalia A M Abd El-Moaty
- Genetic Engineering Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - Eman S A Zaki
- Aerobic Bacterial Vaccine Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - Elham F El-Sergany
- Anaerobic Bacterial Vaccine Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - Nadine A El-Sebay
- Genetic Engineering Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - Hala A Fadl
- Genetic Engineering Research Department, Veterinary Serum and Vaccine Research Institute, Cairo Egypt
| | - A A Samy
- Department of Microbiology and Immunology, Veterinary Division, National Research Center, Dokki, Egypt
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125
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Petruzzi B, Dalloul RA, LeRoith T, Evans NP, Pierson FW, Inzana TJ. Biofilm formation and avian immune response following experimental acute and chronic avian cholera due to Pasteurella multocida. Vet Microbiol 2018; 222:114-123. [PMID: 30080666 DOI: 10.1016/j.vetmic.2018.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 06/21/2018] [Accepted: 07/06/2018] [Indexed: 12/15/2022]
Abstract
Pasteurella multocida is the causative agent of avian cholera, an important economic and ecological disease that can present as a peracute, acute, chronic, or asymptomatic infection. Acute avian cholera is associated with encapsulated P. multocida, while chronic and asymptomatic cases of avian cholera may be associated with capsule-deficient P. multocida isolates. We hypothesize that biofilm formation is also associated with chronic and asymptomatic avian cholera. Experimental infections of chickens with encapsulated, biofilm-deficient P. multocida strain X73, proficient biofilm forming P. multocida strain X73ΔhyaD, and proficient biofilm forming clinical strains 775 and 756 showed that virulence was inversely correlated with biofilm formation. Biofilm-proficient isolates induced chronic avian cholera in the chicken host. Histopathological analysis was used to show that biofilm-proficient isolates induced little inflammation in the lungs, heart, and liver, while biofilm-deficient isolates induced greater inflammation and induced the recruitment of heterophil granulocytes. Putative biofilm matrix material and exopolysaccharide was detected in pulmonary tissue of chickens diagnosed with chronic avian cholera using scanning electron microscopy and a fluorescently-tagged lectin, respectively, supporting a role for biofilm in chronic avian cholera. P. multocida induced Th1 and Th17 immune responses during acute and chronic avian cholera, as determined by quantitative real-time PCR of splenic cytokine genes. Chickens that succumbed to acute avian cholera after experimental challenge with strain X73 had high levels of INF-γ, IL-1β, IL-6, IL-12A, IL-22, IL-17A, and IL-17RA expressed in the spleen compared to all other experimental groups. Birds infected with capsule-deficient strains had chronic infections lasting 7 days or longer, and had increased levels of IL-17RA, CCR6, and IL-16 compared to non-infected control chickens. However, specific antibody titers increased only transiently to capsule-deficient strains and were low, indicating that antibodies are less important in managing and clearing P. multocida infections.
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Affiliation(s)
- Briana Petruzzi
- Virginia-Maryland College of Veterinary Medicine, Department of Biomedical Sciences & Pathobiology, Virginia Tech, Blacksburg, VA, 24061, United States
| | - Rami A Dalloul
- College of Agriculture and Life Sciences, Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, 24061, United States
| | - Tanya LeRoith
- Virginia-Maryland College of Veterinary Medicine, Department of Biomedical Sciences & Pathobiology, Virginia Tech, Blacksburg, VA, 24061, United States
| | - Nicholas P Evans
- Virginia-Maryland College of Veterinary Medicine, Department of Population Health Sciences, Virginia Tech, Blacksburg, VA, 24061, United States
| | - F William Pierson
- Virginia-Maryland College of Veterinary Medicine, Department of Population Health Sciences, Virginia Tech, Blacksburg, VA, 24061, United States
| | - Thomas J Inzana
- Virginia-Maryland College of Veterinary Medicine, Department of Biomedical Sciences & Pathobiology, Virginia Tech, Blacksburg, VA, 24061, United States; Virginia Tech Carilion School of Medicine, Virginia Tech, Blacksburg, VA, 24061, United States.
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126
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Peng Z, Liang W, Wang F, Xu Z, Xie Z, Lian Z, Hua L, Zhou R, Chen H, Wu B. Genetic and Phylogenetic Characteristics of Pasteurella multocida Isolates From Different Host Species. Front Microbiol 2018; 9:1408. [PMID: 29997608 PMCID: PMC6029419 DOI: 10.3389/fmicb.2018.01408] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 06/08/2018] [Indexed: 01/27/2023] Open
Abstract
Pasteurella multocida is a leading cause of respiratory diseases in many host species. To understand the genetic characteristics of P. multocida strains isolated from different host species, we sequenced the genomic DNA of P. multocida isolated from pigs and analyzed the genetic characteristics of strains from avian species, bovine species, pigs, and rabbits using whole genome sequence (WGS) data. Our results found that a capsular: lipopolysaccharide (LPS): multilocus sequence typing (MLST) genotype A: L1: ST129 (43.75%) was predominant in avian P. multocida; while genotypes B: L2: ST122 (60.00%) and A: L3: ST79 (30.00%) were predominate in bovine P. multocida; genotype D: L6: ST50 (37.50%) in porcine P. multocida; and genotype A: L3: ST9 (76.47%) in rabbit P. multocida. Comparative genomic analysis of P. multocida from different host species found that there are no genes in the P. multocida genome that are specific to any type of host. Phylogenetic analysis using either whole-genome single nucleotide polymorphisms (SNPs) or the set of SNPs present in all single-copy core genes across genomes showed that P. multocida strains with the same LPS genotype and MLST genotype were clustered together, suggesting the combining both the LPS and MLST typing schemes better explained the topology seen in the P. multocida phylogeny.
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Affiliation(s)
- Zhong Peng
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Wan Liang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Fei Wang
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Zhuofei Xu
- Ecological Research Institute, School of Life Science, South China Normal University, Guangzhou, China.,Guangdong Magigene Biotechnology Co. Ltd., Guangzhou, China
| | - Zhihao Xie
- Guangdong Magigene Biotechnology Co. Ltd., Guangzhou, China
| | - Zhenghan Lian
- Guangdong Magigene Biotechnology Co. Ltd., Guangzhou, China
| | - Lin Hua
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Rui Zhou
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Huanchun Chen
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Bin Wu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China
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Li Z, Cheng F, Lan S, Guo J, Liu W, Li X, Luo Z, Zhang M, Wu J, Shi Y. Investigation of genetic diversity and epidemiological characteristics of Pasteurella multocida isolates from poultry in southwest China by population structure, multi-locus sequence typing and virulence-associated gene profile analysis. J Vet Med Sci 2018; 80:921-929. [PMID: 29695681 PMCID: PMC6021876 DOI: 10.1292/jvms.18-0049] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Fowl cholera caused by Pasteurella multocida has always been a disease
of global importance for poultry production. The aim of this study was to obtain more
information about the epidemiology of avian P. multocida infection in
southwest China and the genetic characteristics of clinical isolates. P.
multocida isolates were characterized by biochemical and molecular-biological
methods. The distributions of the capsular serogroups, the phenotypic antimicrobial
resistance profiles, lipopolysaccharide (LPS) genotyping and the presence of 19 virulence
genes were investigated in 45 isolates of P. multocida that were
associated with clinical disease in poultry. The genetic diversity of P.
multocida strains was performed by 16S rRNA and
rpoB gene sequence analysis as well as multilocus sequence typing
(MLST). The results showed that most (80.0%) of the P. multocida isolates
in this study represented special P. multocida subspecies, and 71.1% of
the isolates showed multiple-drug resistance. 45 isolates belonged to capsular types: A
(100%) and two LPS genotypes: L1 (95.6%) and L3 (4.4%). MLST revealed two new alleles
(pmi77 and gdh57) and one new sequence type (ST342).
ST129 types dominated in 45 P. multocida isolates. Isolates belonging to
ST129 were with the genes ompH+plpB+ptfA+tonB, whereas ST342 included
isolates with fur+hgbA+tonB genes. Population genetic analysis and the
MLST results revealed that at least one new ST genotype was present in the avian
P. multocida in China. These findings provide novel insights into the
epidemiological characteristics of avian P. multocida isolates in
southwest China.
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Affiliation(s)
- Zhangcheng Li
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Fangjun Cheng
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China.,2) Chongqing Engineering Research Center of Veterinary Science, Chongqing 402460, China
| | - Shimei Lan
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Jianhua Guo
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China.,2) Chongqing Engineering Research Center of Veterinary Science, Chongqing 402460, China
| | - Wei Liu
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Xiaoyan Li
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Zeli Luo
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Manli Zhang
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Juan Wu
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
| | - Yang Shi
- 1) Department of Veterinary Medicine, Rongchang Campus of Southwest University, Chongqing 402460, China
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128
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Devi LB, Bora DP, Das SK, Sharma RK, Mukherjee S, Hazarika RA. Virulence gene profiling of porcine Pasteurella multocida isolates of Assam. Vet World 2018; 11:348-354. [PMID: 29657428 PMCID: PMC5891851 DOI: 10.14202/vetworld.2018.348-354] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 02/19/2018] [Indexed: 11/21/2022] Open
Abstract
Aim: The present study was conducted to detect and identify the virulence genes in Pasteurella multocida isolates of porcine origin from Assam. Materials and Methods: A total of 21 porcine P. multocida isolates were subjected to capsular typing and detection of virulence-associated genes (pfhA, tbpA, hgbB, toxA, oma87, ompH, and nanB) using various polymerase chain reaction (PCR) methods reported elsewhere. Further, pathogenicity of the porcine isolates of P. multocida was studied in mice. For each strain of P. multocida selected for pathogenicity trial, the group of mice was injected intraperitoneally (i/p) with 0.1 ml of the inoculum prepared from respective field isolates, containing 109 organisms per ml. Results: Capsular typing of the isolates by multiplex PCR showed two capsular types, type A (66.66%) and type D (33.33%). All the isolates were positive for outer membrane protein genes, oma87 and ompH genes. Iron acquisition genes, tbpA and hgbB, were detected in 14.28% and 19.04% of the isolates. The dermonecrotoxin encoding gene, toxA, was present in 23.80% of the isolates. Filamentous hemagglutinin encoding gene, pfhA, was detected in 28.57%. The virulence gene distribution pattern of the isolates indicates the important role of the genes in disease pathogenesis. Conclusion: From the present study, it can be concluded that toxA gene is an important marker gene for defining the pathogenic potential of P. multocida strains in swine.
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Affiliation(s)
- L Babita Devi
- KVK Churachandpur, ICAR Manipur Centre, Imphal, Manipur, India.,Department of Microbiology, College of Veterinary Science, AAU, Khanapara, Guwahati - 781 022, Assam, India
| | - Durlav Prasad Bora
- Department of Microbiology, College of Veterinary Science, AAU, Khanapara, Guwahati - 781 022, Assam, India
| | - S K Das
- Department of Microbiology, College of Veterinary Science, AAU, Khanapara, Guwahati - 781 022, Assam, India
| | - R K Sharma
- Department of Microbiology, College of Veterinary Science, AAU, Khanapara, Guwahati - 781 022, Assam, India
| | - S Mukherjee
- Department of Veterinary Epidemiology and Preventive Medicine, CVSc, CAU, Aizawl, Mizoram, India
| | - R A Hazarika
- Department of Veterinary Public Health, College of Veterinary Science, AAU, Khanapara, Guwahati - 781 022, Assam, India
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Ares-Arroyo M, Bernabe-Balas C, Santos-Lopez A, Baquero MR, Prasad KN, Cid D, Martin-Espada C, San Millan A, Gonzalez-Zorn B. PCR-Based Analysis of ColE1 Plasmids in Clinical Isolates and Metagenomic Samples Reveals Their Importance as Gene Capture Platforms. Front Microbiol 2018; 9:469. [PMID: 29615998 PMCID: PMC5864857 DOI: 10.3389/fmicb.2018.00469] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 02/28/2018] [Indexed: 02/04/2023] Open
Abstract
ColE1 plasmids are important vehicles for the spread of antibiotic resistance in the Enterobacteriaceae and Pasteurellaceae families of bacteria. Their monitoring is essential, as they harbor important resistant determinants in humans, animals and the environment. In this work, we have analyzed ColE1 replicons using bioinformatic and experimental approaches. First, we carried out a computational study examining the structure of different ColE1 plasmids deposited in databases. Bioinformatic analysis of these ColE1 replicons revealed a mosaic genetic structure consisting of a host-adapted conserved region responsible for the housekeeping functions of the plasmid, and a variable region encoding a wide variety of genes, including multiple antibiotic resistance determinants. From this exhaustive computational analysis we developed a new PCR-based technique, targeting a specific sequence in the conserved region, for the screening, capture and sequencing of these small plasmids, either specific for Enterobacteriaceae or specific for Pasteurellaceae. To validate this PCR-based system, we tested various collections of isolates from both bacterial families, finding that ColE1 replicons were not only highly prevalent in antibiotic-resistant isolates, but also present in susceptible bacteria. In Pasteurellaceae, ColE1 plasmids carried almost exclusively antibiotic resistance genes. In Enterobacteriaceae, these plasmids encoded a large range of traits, including not only antibiotic resistance determinants, but also a wide variety of genes, showing the huge genetic plasticity of these small replicons. Finally, we also used a metagenomic approach in order to validate this technique, performing this PCR system using total DNA extractions from fecal samples from poultry, turkeys, pigs and humans. Using Illumina sequencing of the PCR products we identified a great diversity of genes encoded by ColE1 replicons, including different antibiotic resistance determinants, supporting the previous results achieved with the collections of bacterial isolates. In addition, we detected cryptic ColE1 plasmids in both families with no known genes in their variable region, which we have named sentinel plasmids. In conclusion, in this work we present a useful genetic tool for the detection and analysis of ColE1 plasmids, and confirm their important role in the dissemination of antibiotic resistance, especially in the Pasteurellaceae family of bacteria.
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Affiliation(s)
- Manuel Ares-Arroyo
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Cristina Bernabe-Balas
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Alfonso Santos-Lopez
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Maria R Baquero
- Departamento de Microbiología, Facultad de Veterinaria, Universidad Alfonso X el Sabio, Madrid, Spain
| | - Kashi N Prasad
- Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Dolores Cid
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Carmen Martin-Espada
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
| | - Alvaro San Millan
- Servicio de Microbiología Hospital Universitario Ramón y Cajal, Instituto de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Bruno Gonzalez-Zorn
- Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain
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130
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Limelette A, Giusti D, Anuset D, Beaupuis C, Jacquier H, De Champs C, Bani-Sadr F, Guillard T, N'Guyen Y. Amoxicillin-tolerant Pasteurella multocida strain isolated from chronic dermohypodermitis after suboptimal exposure to amoxicillin is not associated with reduced growth rate. J Med Microbiol 2018; 67:579-584. [PMID: 29458548 DOI: 10.1099/jmm.0.000692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Pasteurella multocida is rarely observed in human chronic infections. A Pasteurella multocida strain was isolated from a skin biopsy of chronic dermohypodermitis in a 21-year-old woman without an immunocompromised state. As this strain was viable one month after a cat scratch despite treatment by amoxicillin-clavulanic acid, we compared this strain's growth rate, amoxicillin Minimal Inhibitory and Bactericidal Concentrations (MIC and MBC), resistance to serum and ability to activate neutrophil granulocytes with those of control strains isolated during acute infections in humans without previous antibiotics exposure. This particular strain was not more resistant to serum and did not induce a lower phagocytic activity than control strains. It did not grow more slowly than control strains even after suboptimal exposure to amoxicillin. This particular strain was tolerant to amoxicillin but tolerance did not appear sufficient alone for the induction of a chronic infection in a host without an immunocompromised state.
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Affiliation(s)
- A Limelette
- Laboratoire de Bactériologie, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
- EA4687, UFR Médecine, Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - D Giusti
- Laboratoire d'Immunologie, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
| | - D Anuset
- Service de Dermatologie, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
| | - C Beaupuis
- Service de Médecine Interne, Maladies Infectieuses et Immunologie Clinique, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
| | - H Jacquier
- Service de bactériologie, AP-HP, Hôpitaux Universitaires Saint Louis-Lariboisière-Fernand Widal, Paris, France
- IAME, UMR 1137, Inserm, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - C De Champs
- Laboratoire de Bactériologie, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
- EA4687, UFR Médecine, Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - F Bani-Sadr
- Service de Médecine Interne, Maladies Infectieuses et Immunologie Clinique, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
| | - T Guillard
- Laboratoire de Bactériologie, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
- EA4687, UFR Médecine, Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - Y N'Guyen
- Service de Médecine Interne, Maladies Infectieuses et Immunologie Clinique, Hôpital Robert Debré, Avenue Général Koenig, 51100 Reims, France
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Complete Genome Sequence of a Novel T7-Like Bacteriophage from a Pasteurella multocida Capsular Type A Isolate. Curr Microbiol 2018; 75:574-579. [PMID: 29307051 DOI: 10.1007/s00284-017-1419-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 12/11/2017] [Indexed: 10/18/2022]
Abstract
A novel virulent bacteriophage, vB_PmuP_PHB02 (phage PHB02), infecting Pasteurella multocida capsular type A strains, was isolated from wastewater from a swine farm in China. Phage PHB02 has a linear double-stranded DNA genome consisting of 38,670 base pairs (bp), with a G+C content of 40.8% and a 127-bp terminal redundancy. Forty-eight putative open reading frames were identified, and no transfer RNA-encoding genes were detected. The morphology and genomic structure of phage PHB02 resemble those of T7-like phages belonging to the family Podoviridae, of the order Caudovirales. Phage PHB02 was stable over a wide range of temperatures (4-50 °C) and pH values (5.0-9.0), and lysed 30 of the 31 capsular-type-A P. multocida strains tested. Phage PHB02 had no effect on other bacterial species or on P. multocida strains belonging to capsular types D or F.
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132
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Kock RA, Orynbayev M, Robinson S, Zuther S, Singh NJ, Beauvais W, Morgan ER, Kerimbayev A, Khomenko S, Martineau HM, Rystaeva R, Omarova Z, Wolfs S, Hawotte F, Radoux J, Milner-Gulland EJ. Saigas on the brink: Multidisciplinary analysis of the factors influencing mass mortality events. SCIENCE ADVANCES 2018; 4:eaao2314. [PMID: 29376120 PMCID: PMC5777396 DOI: 10.1126/sciadv.aao2314] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 12/14/2017] [Indexed: 05/24/2023]
Abstract
In 2015, more than 200,000 saiga antelopes died in 3 weeks in central Kazakhstan. The proximate cause of death is confirmed as hemorrhagic septicemia caused by the bacterium Pasteurella multocida type B, based on multiple strands of evidence. Statistical modeling suggests that there was unusually high relative humidity and temperature in the days leading up to the mortality event; temperature and humidity anomalies were also observed in two previous similar events in the same region. The modeled influence of environmental covariates is consistent with known drivers of hemorrhagic septicemia. Given the saiga population's vulnerability to mass mortality and the likely exacerbation of climate-related and environmental stressors in the future, management of risks to population viability such as poaching and viral livestock disease is urgently needed, as well as robust ongoing veterinary surveillance. A multidisciplinary approach is needed to research mass mortality events under rapid environmental change.
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Affiliation(s)
| | - Mukhit Orynbayev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | - Steffen Zuther
- Frankfurt Zoological Society, Frankfurt, Germany
- Association for the Conservation of Biodiversity of Kazakhstan, Astana, Kazakhstan
| | | | | | - Eric R Morgan
- School of Biological Sciences, Queen's University Belfast, Belfast, UK
| | - Aslan Kerimbayev
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | | | - Rashida Rystaeva
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | - Zamira Omarova
- Research Institute for Biological Safety Problems, Gvardeiskiy, Kazakhstan
| | | | | | - Julien Radoux
- Université catholique de Louvain, Louvain-la-Neuve, Belgium
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133
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Characterization of Pasteurella multocida involved in rabbit infections. Vet Microbiol 2017; 213:66-72. [PMID: 29292006 DOI: 10.1016/j.vetmic.2017.11.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 10/25/2017] [Accepted: 11/17/2017] [Indexed: 11/24/2022]
Abstract
In rabbit, P. multocida is considered a predominant pathogenic agent; despite this, few data on the molecular epidemiology are available so far. The aim of this work was to characterize P. multocida isolates from rabbit affected by various diseases in Italy. Comparison was made to reference strains from other countries. Thirty-nine isolates were tested using PCRs to detect the genes coding capsular antigens, virulence factors and lipopolysaccharide structures (LPS). Multilocus sequence typing (MLST) was performed and 19 STs registered that belonged to 9 clonal complexes. Italian isolates were all related to P. multocida subsp. P. multocida. Three sequence types dominated (ST9, ST50 and ST74). The isolates were assigned to capsular types A (20/39), D (9/39) and F (10/39), to virulence genes pfhA (13/39), hgbB (21/39) and pfhA+hgbB (4/39) (one without virulence factors) and the isolates either belonged to the LPS genotypes 3 (22/39) or 6 (17/39). The clonal relationships of the Italian strains from rabbit had similarity to previously reported rabbit isolates that belonged to ST9, ST74, ST204 and ST206, however, they differed from other rabbit references strains that belonged to six other STs. In particular, ST9 with capsular type F has been previously reported from diseased rabbit in Czech Republic and ST74 has been observed for older rabbit isolates. ST50 has probably been reported from Spain. ST9 and ST50 have previously also been reported from birds and pig, respectively, whereas ST74 has exclusively been reported from pig. It remains to be investigated if the isolates obtained from diseased rabbit in Italy represent introductions from other host or they are primarily of rabbit origin.
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134
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Abstract
Pasteurella multocida is an important multihost animal and zoonotic pathogen that is capable of causing respiratory and multisystemic diseases, bacteremia, and bite wound infections. The glycosaminoglycan capsule of P. multocida is an essential virulence factor that protects the bacterium from host defenses. However, chronic infections (such as swine atrophic rhinitis and the carrier state in birds and other animals) may be associated with biofilm formation, which has not been characterized in P. multocida. Biofilm formation by clinical isolates was inversely related to capsule production and was confirmed with capsule-deficient mutants of highly encapsulated strains. Capsule-deficient mutants formed biofilms with a larger biomass that was thicker and smoother than the biofilm of encapsulated strains. Passage of a highly encapsulated, poor-biofilm-forming strain under conditions that favored biofilm formation resulted in the production of less capsular polysaccharide and a more robust biofilm, as did addition of hyaluronidase to the growth medium of all of the strains tested. The matrix material of the biofilm was composed predominately of a glycogen exopolysaccharide (EPS), as determined by gas chromatography-mass spectrometry, nuclear magnetic resonance, and enzymatic digestion. However, a putative glycogen synthesis locus was not differentially regulated when the bacteria were grown as a biofilm or planktonically, as determined by quantitative reverse transcriptase PCR. Therefore, the negatively charged capsule may interfere with biofilm formation by blocking adherence to a surface or by preventing the EPS matrix from encasing large numbers of bacterial cells. This is the first detailed description of biofilm formation and a glycogen EPS by P. multocida. Pasteurella multocida is an important pathogen responsible for severe infections in food animals, domestic and wild birds, pet animals, and humans. P. multocida was first isolated by Louis Pasteur in 1880 and has been studied for over 130 years. However, aspects of its lifecycle have remained unknown. Although formation of a biofilm by P. multocida has been proposed, this report is the first to characterize biofilm formation by P. multocida. Of particular interest is that the biofilm matrix material contained a newly reported amylose-like glycogen as the exopolysaccharide component and that production of capsular polysaccharide (CPS) was inversely related to biofilm formation. However, even highly mucoid, poor-biofilm-forming strains could form abundant biofilms by loss of CPS or following in vitro passage under biofilm growth conditions. Therefore, the carrier state or subclinical chronic infections with P. multocida may result from CPS downregulation with concomitant enhanced biofilm formation.
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135
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Paladino ES, Gabardo MDP, Lunardi PN, Morés N, Guedes RM. Anatomopathological pneumonic aspects associated with highly pathogenic Pasteurella multocida in finishing pigs. PESQUISA VETERINARIA BRASILEIRA 2017. [DOI: 10.1590/s0100-736x2017001000009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
ABSTRACT: The bacterium Pasteurella multocida is a frequent cause of porcine respiratory disease complex in finishing pigs. Historically, the bacterium is recognized as an opportunistic agent, causing secondary bacterial pneumonia in pigs. Several Brazilian reports have suggested the ability of P. multocida to cause primary pulmonary infection that leads to the death of finishing pigs prior to slaughter. The aim of this study was to evaluate anatomopathological pulmonary findings associated with P. multocida infection that were obtained from animals with clinical respiratory disease and from animals at slaughter. Twenty-five lung samples from 14 herds of finishing pigs with acute clinical respiratory disease and 19 lungs collected at slaughter from a different set of 14 herds were studied. In all lung samples, bacterial isolation was performed, and only samples with pure P. multocida growth were included in the study. Gross and histopathological lesions were evaluated, as well as Influenza A, porcine circovirus type 2 (PCV2) and Mycoplasma hyopneumoniae co-infections. Pleuritis and pericarditis were more often observed in clinical samples (P<0.05). Moreover, there was a numerical trend indicating that pericarditis, lymphadenomegaly and cavity exudates were more often present in clinical samples. Thirteen lung samples were negative to M. hyopneumoniae, Influenza A and PCV2 by immunohistochemistry (IHC), with only P. multocida identified. In these cases, gross lesions such as pleuritis, pericarditis and lymphadenomegaly were always present, and no histologic lesions indicative of other agents such as Actinobacillus pleuropneumoniae, Actinobacillus suis or Haemophilus parasuis were observed. These findings suggest the ability of some P. multocida isolates to cause primary respiratory and systemic infection. However, in this study, it was not possible to determine specific virulence markers to explain these findings.
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136
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Yeh JC, Lo DY, Chang SK, Chou CC, Kuo HC. Antimicrobial susceptibility, serotypes and genotypes of Pasteurella multocida
isolates associated with swine pneumonia in Taiwan. Vet Rec 2017; 181:323. [DOI: 10.1136/vr.104023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 06/23/2017] [Accepted: 07/11/2017] [Indexed: 11/04/2022]
Affiliation(s)
- Jih-Ching Yeh
- Department of Veterinary Medicine; National Chiayi University; Chiayi Taiwan
| | - Dan-Yuan Lo
- Department of Veterinary Medicine; National Chiayi University; Chiayi Taiwan
| | - Shao-Kuang Chang
- Graduate Institute of Veterinary Medicine, National Taiwan University; Taipei Taiwan
| | - Chi-Chung Chou
- Department of Veterinary Medicine; College of Veterinary Medicine, National Chung-Hsing University; Taichung Taiwan
| | - Hung-Chih Kuo
- Department of Veterinary Medicine; National Chiayi University; Chiayi Taiwan
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Gluecks IV, Bethe A, Younan M, Ewers C. Molecular study on Pasteurella multocida and Mannheimia granulomatis from Kenyan Camels (Camelus dromedarius). BMC Vet Res 2017; 13:265. [PMID: 28830429 PMCID: PMC5567471 DOI: 10.1186/s12917-017-1189-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 08/11/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Outbreaks of a Haemorrhagic Septicaemia (HS) like disease causing large mortalities in camels (Camelus dromedarius) in Asia and in Africa have been reported since 1890. Yet the aetiology of this condition remains elusive. This study is the first to apply state of the art molecular methods to shed light on the nasopharyngeal carrier state of Pasteurellaceae in camels. The study focused on HS causing Pasteurella multocida capsular types B and E. Other Pasteurellaceae, implicated in common respiratory infections of animals, were also investigated. METHODS In 2007 and 2008, 388 nasopharyngeal swabs were collected at 12 locations in North Kenya from 246 clinically healthy camels in 81 herds that had been affected by HS-like disease. Swabs were used to cultivate bacteria on blood agar and to extract DNA for subsequent PCR analysis targeting P. multocida and Mannheimia-specific gene sequences. RESULTS Forty-five samples were positive for P. multocida genes kmt and psl and for the P. multocida Haemorrhagic Septicaemia (HS) specific sequences KTSP61/KTT72 but lacked HS-associated capsular type B and E genes capB and capE. This indicates circulation of HS strains in camels that lack established capsular types. Sequence analysis of the partial 16S rRNA gene identified 17 nasal swab isolates as 99% identical with Mannheimia granulomatis, demonstrating a hitherto unrecognised active carrier state for M. granulomatis or a closely related Mannheimia sp. in camels. CONCLUSIONS The findings of this study provide evidence for the presence of acapsular P. multocida or of hitherto unknown capsular types of P. multocida in camels, closely related to P. multocida strains causing HS in bovines. Further isolations and molecular studies of camelid P. multocida from healthy carriers and from HS-like disease in camels are necessary to provide conclusive answers. This paper is the first report on the isolation of M. granulomatis or a closely related new Mannheimia species from camelids.
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Affiliation(s)
| | - Astrid Bethe
- Institute of Microbiology and Epizootics, Centre for Infection Medicine, Free University Berlin, Berlin, Germany
| | - Mario Younan
- Vétérinaires sans Frontières Germany, Nairobi, Kenya
| | - Christa Ewers
- Institute of Hygiene and Infectious Diseases of Animals, Justus-Liebig University Giessen, Giessen, Germany.
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138
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Peng Z, Wang H, Liang W, Chen Y, Tang X, Chen H, Wu B. A capsule/lipopolysaccharide/MLST genotype D/L6/ST11 of Pasteurella multocida is likely to be strongly associated with swine respiratory disease in China. Arch Microbiol 2017; 200:107-118. [DOI: 10.1007/s00203-017-1421-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 07/17/2017] [Accepted: 07/29/2017] [Indexed: 12/17/2022]
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139
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Priya GB, Nagaleekar VK, Milton AAP, Saminathan M, Kumar A, Sahoo AR, Wani SA, Kumar A, Gupta SK, Sahoo AP, Tiwari AK, Agarwal RK, Gandham RK. Genome wide host gene expression analysis in mice experimentally infected with Pasteurella multocida. PLoS One 2017; 12:e0179420. [PMID: 28704394 PMCID: PMC5509158 DOI: 10.1371/journal.pone.0179420] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 05/30/2017] [Indexed: 12/25/2022] Open
Abstract
Pasteurella multocida causes acute septicemic and respiratory diseases, including haemorrhagic septicaemia, in cattle and buffalo with case fatality of 100%. In the present study, mice were infected with P. multocida (1.6 × 103 cfu, intraperitoneal) to evaluate host gene expression profile at early and late stages of infection using high throughput microarray transcriptome analyses. Several differentially expressed genes (DEGs) at both the time points were identified in P.multocida infected spleen, liver and lungs. Functional annotation of these DEGs showed enrichment of key pathways such as TLR, NF-κB, MAPK, TNF, JAK-STAT and NOD like receptor signaling pathways. Several DEGs overlapped across different KEGG pathways indicating a crosstalk between them. The predicted protein—protein interaction among these DEGs suggested, that the recognition of P. multocida LPS or outer membrane components by TLR4 and CD14, results in intracellular signaling via MyD88, IRAKs and/or TRAF6 leading to activation of NFκB and MAPK pathways and associated cytokines.
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Affiliation(s)
- G. Bhuvana Priya
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Viswas Konasagara Nagaleekar
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
- * E-mail: (RKG); (VKN); (RKA)
| | - A. Arun Prince Milton
- Division of Veterinary Public Health, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - M. Saminathan
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Amod Kumar
- Division of Animal Genetics, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Amit Ranjan Sahoo
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Sajad Ahmad Wani
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Amit Kumar
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - S. K. Gupta
- Division of Livestock and Fishery Management, ICAR Research Complex for Eastern Region (ICAR-RCER), Patna, Bihar, India
| | - Aditya P. Sahoo
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - A. K. Tiwari
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - R. K. Agarwal
- Division of Bacteriology & Mycology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
- * E-mail: (RKG); (VKN); (RKA)
| | - Ravi Kumar Gandham
- Division of Veterinary Biotechnology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
- * E-mail: (RKG); (VKN); (RKA)
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140
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Wei X, Wang Y, Luo R, Qian W, Sizhu S, Zhou H. Identification and characterization of a protective antigen, PlpB of bovine Pasteurella multocida strain LZ-PM. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 71:1-7. [PMID: 28119019 DOI: 10.1016/j.dci.2017.01.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/20/2017] [Accepted: 01/20/2017] [Indexed: 06/06/2023]
Abstract
The Pasteurella multocida lipoprotein B (PlpB) was cloned from Pasteurella multocida (P. multocida) strain LZ-PM (serotype A) and expressed in Escherichia coli (E. coli). Sequence analysis showed that PlpB from different strains of P. multocida exhibited 80.8-99.4% sequence identity to each other, suggesting that PlpB might serve as a cross-protective antigen. The purified PCR product of PlpB gene consisting of 831 base pairs was inserted into the pET-32a (+) plasmid, and then transferred into E. coli. The protective immunity conferred by recombinant PlpB (rPlpB) on mice was evaluated. The results showed that mice immunized with 200 μg of purified rPlpB were protected (60% survival rate) against challenge infection with 1 MLD of P. multocida strain LZ-PM. In conclusion, our data indicated that the PlpB protein may be a potential target as a candidate subunit vaccine for P. multocida infection.
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Affiliation(s)
- Xiaoqin Wei
- Department of Animal Science, Tibet Agricultural and Animal Husbandry College, Linzhi 860000, PR China; State Key Laboratory of Agriculture Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Yugang Wang
- State Key Laboratory of Agriculture Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Runbo Luo
- Department of Animal Science, Tibet Agricultural and Animal Husbandry College, Linzhi 860000, PR China
| | - Wei Qian
- State Key Laboratory of Agriculture Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Suolang Sizhu
- Department of Animal Science, Tibet Agricultural and Animal Husbandry College, Linzhi 860000, PR China.
| | - Hongbo Zhou
- State Key Laboratory of Agriculture Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, PR China.
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141
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Cao P, Guo D, Liu J, Jiang Q, Xu Z, Qu L. Genome-Wide Analyses Reveal Genes Subject to Positive Selection in Pasteurella multocida. Front Microbiol 2017; 8:961. [PMID: 28611758 PMCID: PMC5447721 DOI: 10.3389/fmicb.2017.00961] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/15/2017] [Indexed: 01/02/2023] Open
Abstract
Pasteurella multocida, a Gram-negative opportunistic pathogen, has led to a broad range of diseases in mammals and birds, including fowl cholera in poultry, pneumonia and atrophic rhinitis in swine and rabbit, hemorrhagic septicemia in cattle, and bite infections in humans. In order to better interpret the genetic diversity and adaptation evolution of this pathogen, seven genomes of P. multocida strains isolated from fowls, rabbit and pigs were determined by using high-throughput sequencing approach. Together with publicly available P. multocida genomes, evolutionary features were systematically analyzed in this study. Clustering of 70,565 protein-coding genes showed that the pangenome of 33 P. multocida strains was composed of 1,602 core genes, 1,364 dispensable genes, and 1,070 strain-specific genes. Of these, we identified a full spectrum of genes related to virulence factors and revealed genetic diversity of these potential virulence markers across P. multocida strains, e.g., bcbAB, fcbC, lipA, bexDCA, ctrCD, lgtA, lgtC, lic2A involved in biogenesis of surface polysaccharides, hsf encoding autotransporter adhesin, and fhaB encoding filamentous haemagglutinin. Furthermore, based on genome-wide positive selection scanning, a total of 35 genes were subject to strong selection pressure. Extensive analyses of protein subcellular location indicated that membrane-associated genes were highly abundant among all positively selected genes. The detected amino acid sites undergoing adaptive selection were preferably located in extracellular space, perhaps associated with bacterial evasion of host immune responses. Our findings shed more light on conservation and distribution of virulence-associated genes across P. multocida strains. Meanwhile, this study provides a genetic context for future researches on the mechanism of adaptive evolution in P. multocida.
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Affiliation(s)
- Peili Cao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural SciencesHarbin, China
| | - Dongchun Guo
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural SciencesHarbin, China
| | - Jiasen Liu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural SciencesHarbin, China
| | - Qian Jiang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural SciencesHarbin, China
| | - Zhuofei Xu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural UniversityWuhan, China
| | - Liandong Qu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural SciencesHarbin, China
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142
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Rímac R, Luna L, Hurtado R, Rosadio R, Maturrano L. Detection and genetic characterization of Pasteurella multocida from alpaca (Vicugna pacos) pneumonia cases. Trop Anim Health Prod 2017; 49:1325-1328. [PMID: 28523388 DOI: 10.1007/s11250-017-1309-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 05/04/2017] [Indexed: 10/19/2022]
Abstract
Pasteurella multocida is a common constituent of upper respiratory tract microbiota but is frequently isolated of alpaca lung tissues from pulmonary infections. Despite its importance, very little is known about this bacteria at molecular level. In order to characterize P. multocida isolates, 24 isolates recovered from 46 mortal acute cases in young alpacas with suspected pneumonia were analyzed, using biochemical and molecular tests for capsule and LPS typing, virulence factors detection, and ERIC-PCR genetic diversity analysis. All the P. multocida isolates belonged to the capsular type A, LPS genotype L6 (related to serotypes 10, 11, 12, and 15), and possessed virulence factors gene toxA and tbpA. ERIC-PCR analysis revealed two electrophoretic profiles, and the majority of isolates (23/24) shared the same fingerprint, indicating strong evidence that there was a common source of infection for all the affect animals. This study revealed the detection of P. multocida type A, LPS genotype L6, and toxA+ and tbpA+ from dead young alpacas with pneumonia in Peru.
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Affiliation(s)
- Rocío Rímac
- Biology and Molecular Genetic Section, Department of Public and Animal Health. Faculty of Veterinary Medicine, San Marcos National University, Lima, Peru
| | - Luis Luna
- Biology and Molecular Genetic Section, Department of Public and Animal Health. Faculty of Veterinary Medicine, San Marcos National University, Lima, Peru
| | - Raquel Hurtado
- Biology and Molecular Genetic Section, Department of Public and Animal Health. Faculty of Veterinary Medicine, San Marcos National University, Lima, Peru
| | - Raúl Rosadio
- Biology and Molecular Genetic Section, Department of Public and Animal Health. Faculty of Veterinary Medicine, San Marcos National University, Lima, Peru
| | - Lenin Maturrano
- Department of Animal Husbandry and Agricultural Production, Faculty of Veterinary Medicine, San Marcos National University, Lima, Peru. .,Faculty of Veterinary Medicine, San Marcos National University, Av. Circunvalación 2800, San Borja, Lima, Peru.
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143
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García-Alvarez A, Vela AI, San Martín E, Chaves F, Fernández-Garayzábal JF, Lucas D, Cid D. Characterization of Pasteurella multocida associated with ovine pneumonia using multi-locus sequence typing (MLST) and virulence-associated gene profile analysis and comparison with porcine isolates. Vet Microbiol 2017; 204:180-187. [DOI: 10.1016/j.vetmic.2017.04.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 11/24/2022]
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144
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Assessment of Pasteurella multocida A Lipopolysaccharide, as an Adhesin in an In Vitro Model of Rabbit Respiratory Epithelium. Vet Med Int 2017; 2017:8967618. [PMID: 28251016 PMCID: PMC5303596 DOI: 10.1155/2017/8967618] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Revised: 12/06/2016] [Accepted: 12/29/2016] [Indexed: 11/18/2022] Open
Abstract
The role of the P. multocida lipopolysaccharide (LPS) as a putative adhesin during the early stages of infection with this bacterium in the respiratory epithelium of rabbits was investigated. By light microscopy and double enzyme labeling of nasal septa tissues, the amount of bacteria attached to the respiratory epithelium and the amount of LPS present in goblet cells at different experimental times were estimated. Transmission electron microscopy (TEM) and LPS labeling with colloidal gold particles were also used to determine the exact location of LPS in the cells. Septa that were challenged with LPS of P. multocida and 30 minutes later with P. multocida showed more adherent bacteria and more severe lesions than the other treatments. Free LPS was observed in the lumen of the nasal septum, forming bilamellar structures and adhering to the cilia, microvilli, cytoplasmic membrane, and cytoplasm of epithelial ciliated and goblet cells. The above findings suggest that P. multocida LPS plays an important role in the process of bacterial adhesion and that it has the ability of being internalized into host cells.
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145
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Moustafa AM, Bennett MD. Development of loop-mediated isothermal amplification–based diagnostic assays for detection ofPasteurella multocidaand hemorrhagic septicemia–associatedP multocidaserotype B:2. Am J Vet Res 2017; 78:134-143. [DOI: 10.2460/ajvr.78.2.134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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146
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Liu H, Zhao Z, Xi X, Xue Q, Long T, Xue Y. Occurrence of Pasteurella multocida among pigs with respiratory disease in China between 2011 and 2015. Ir Vet J 2017; 70:2. [PMID: 28078081 PMCID: PMC5223352 DOI: 10.1186/s13620-016-0080-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 12/22/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Prior to the 1990s, P. multocida capsular serogroup A was the most prevalent in China, followed by serogroups B and D. Thirty years later, serogroup D became the most prevalent, followed by serogroups A and B. However, the P. multocida capsular serogroups currently circulating in China remain unclear. Therefore, the aim of the present study was to provide an update on P. multocida serogroups isolated from diagnostic samples collected from clinically diseased pigs in Central and Eastern China from 2011 to 2015. RESULTS Between February 2011 and October 2015, 296 isolates of Pasteurella multocida were collected from 3212 pigs with clinical respiratory disease in 12 provinces of China (isolation rate of 9.2%). Of the 296 collected isolates, 146 (49.3%) were P. multocida capsular type A, 141 (47.6%) were capsular type D, and one was capsular type B. Streptococcus suis (94/193; 48.7%), Haemophilus parasuis (76/193; 39.3%), Escherichia coli (53/193; 27.5%), and Bordetella bronchiseptica (26/193; 13.5%) were frequently isolated together with P. multocida. A total of 14 toxigenic P. multocida strains co-isolated with other pathogens from 32 cases of atrophic rhinitis were classified into serogroup D. The virulence of P. multocida capsular type A isolates was higher than that of capsular type D isolates based on LD50 studies in mice. CONCLUSIONS Over the past 5 years, P. multocida capsular type A was the most frequently isolated from diagnostic submissions in Central and Eastern China, followed by serogroups D and B.
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Affiliation(s)
- Huisheng Liu
- Laboratory of Veterinary Microbiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Zhanqin Zhao
- Laboratory of Veterinary Microbiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Xiaojian Xi
- Laboratory of Veterinary Microbiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Qiao Xue
- Laboratory of Veterinary Microbiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Ta Long
- Laboratory of Veterinary Microbiology, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, China
| | - Yun Xue
- Laboratory of Medical Engineering, College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
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147
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Comparative Genomics Analysis of Two Different Virulent Bovine Pasteurella multocida Isolates. Int J Genomics 2016; 2016:4512493. [PMID: 28070502 PMCID: PMC5192330 DOI: 10.1155/2016/4512493] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/02/2016] [Indexed: 12/19/2022] Open
Abstract
The Pasteurella multocida capsular type A isolates can cause pneumonia and bovine respiratory disease (BRD). In this study, comparative genomics analysis was carried out to identify the virulence genes in two different virulent P. multocida capsular type A isolates (high virulent PmCQ2 and low virulent PmCQ6). The draft genome sequence of PmCQ2 is 2.32 Mbp and contains 2,002 protein-coding genes, 9 insertion sequence (IS) elements, and 1 prophage region. The draft genome sequence of PmCQ6 is 2.29 Mbp and contains 1,970 protein-coding genes, 2 IS elements, and 3 prophage regions. The genome alignment analysis revealed that the genome similarity between PmCQ2 and PmCQ6 is 99% with high colinearity. To identify the candidate genes responsible for virulence, the PmCQ2 and PmCQ6 were compared together with that of the published genomes of high virulent Pm36950 and PmHN06 and avirulent Pm3480 and Pm70 (capsular type F). Five genes and two insertion sequences are identified in high virulent strains but not in low virulent or avirulent strains. These results indicated that these genes or insertion sequences might be responsible for the virulence of P. multocida, providing prospective candidates for further studies on the pathogenesis and the host-pathogen interactions of P. multocida.
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148
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Peng Z, Liang W, Wang Y, Liu W, Zhang H, Yu T, Zhang A, Chen H, Wu B. Experimental pathogenicity and complete genome characterization of a pig origin Pasteurella multocida serogroup F isolate HN07. Vet Microbiol 2016; 198:23-33. [PMID: 28062004 DOI: 10.1016/j.vetmic.2016.11.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 10/31/2016] [Accepted: 11/27/2016] [Indexed: 01/17/2023]
Abstract
Pasteurella multocida serotype F isolates are predominately prevalent in avian hosts, but rarely seen in pigs. However, we isolated several strains of P. multocida serotype F from clinical samples of pigs in China. To understand the pathogenicity of these strains, one of the serotype F isolates designated HN07, was used to challenge experimental chickens, as P. multocida of this serotype is predominately prevalent in avian hosts. However, strain HN07 could not resulted in significant clinical signs in experimental chickens even at an infective dose of ∼109 CFU, suggesting the isolate was avirulent to chickens and therefore raising the possibility that the porcine serotype F isolate is not transmitted by chickens. We then used HN07 to challenge experimental pigs, as this strain was isolated from pigs. As expected, the strain led to the clinical signs and the pathological lesions in experimental pigs that are similar to the pasteurellosis disease. We then determined the complete genome sequence of the pig origin serogroup F isolate HN07 for the first time. Genome comparison between HN07 and the avian serotype F P. multocida Pm70 identified a novel integrative conjugative element (ICE) ICEpmcn07 which was likely to harbor a series of genes responsible for a putative type IV secretion system (T4SS) in HN07. This is the first time that we determined an ICE carrying a T4SS in P. multocida. Besides, comparative analysis also defined a number of virulence-associated genes in HN07 but absent in Pm70 which may have a contribution to the pathogenicity of the strain. This is the first report of the pathogenicity and genome characterization of a pig origin Pasteurella multocida serogroup F isolate. The pathogenic and genomic definition of the pig origin P. multocida serogroup F in our study would have significance on the pathogenesis and genetic diversity and virulence variability of P. multocida.
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Affiliation(s)
- Zhong Peng
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Wan Liang
- The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China; Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Education, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yuanguo Wang
- Department of Molecular Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, United States
| | - Wenjing Liu
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Hongfeng Zhang
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Teng Yu
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Anding Zhang
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Bin Wu
- State Key Laboratory of Agricultural Microbiology, College of Animal Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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149
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The relationship between capsular type and OmpA of Pasteurella multocida is associated with the outcome of disease. Microb Pathog 2016; 101:68-75. [PMID: 27838388 DOI: 10.1016/j.micpath.2016.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 11/02/2016] [Accepted: 11/08/2016] [Indexed: 02/05/2023]
Abstract
The genes encoding OmpA of Pasteurella multocida recovered from diseased and apparently healthy animals have been characterized. The nucleotide sequence revealed ORFs of 1047-1077 bp encoding proteins of 349-360 amino acids. Domain analysis of OmpA showed signal peptide, N-terminal ompA domain and C-terminal ligand binding domain. The transmembrane topology of OmpA showed short turns at the periplasmic end and longer irregular loops at the extracellular end. The phylogenetic analysis based on OmpA showed affiliation of isolates to 7 groups representing different alleles. The identical segments in OmpA also suggested assortative recombination within classes IV, V and VI of distinct lineages. Principal component analysis separated isolates into groups based on capsular type and PmompA alleles. The alleles belonging to class VI exclusively associated with capsular type A, whereas class I-IV were associated with capsular type B. PmompA alleles in class V were recorded in both serogroups. PmompA6.1, 6.4 were distributed among strains with capsular type A, and PmompA6.2 and 6.3 among capsular type B. Despite internal OmpA variabilty, restrictive and well defined distribution was seen amongst P. multocida. A definitive association of "OmpA-capsular type" was observed with clinical status of animals. A cohort of pasteurellae comprising of OmpA(I-IV)-capB was recovered from diseased animals and OmpA(VI)-capA from healthy subjects. This study concludes that P. multocida with serogroup A and B from healthy and diseased animals represent distinct clusters also differentiated based on their OmpA-types and OmpA-capsular type relationship possibly determine the virulence and disease outcome.
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150
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Malhi PS, Ngeleka M, Woodbury MR. Septicemic pasteurellosis in farmed elk (Cervus canadensis) in Alberta. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2016; 57:961-963. [PMID: 27587888 PMCID: PMC4982567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Septicemic pasteurellosis is a bacterial disease of domestic and wild animals including bison, elk, and pronghorn antelope caused by Pasteurella multocida. Here we report 2 cases of septicemic pasteurellosis in farmed elk. Pasteurella multocida serogroup B was isolated from multiple tissues in both animals. Gene sequencing (16S ribosomal RNA) and BLAST query confirmed that the sequence is 99% to 100% homologous to the P. multocida sequences in the database.
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