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Prajapati A, Yogisharadhya R, Mohanty NN, Mendem SK, Chanda MM, Siddaramappa S, Shivachandra SB. Comparative genome analysis of Pasteurella multocida strains of porcine origin. Genome 2024; 67:13-23. [PMID: 37639729 DOI: 10.1139/gen-2023-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Pasteurella multocida causes acute/chronic pasteurellosis in porcine, resulting in considerable economic losses globally. The draft genomes of two Indian strains NIVEDIPm17 (serogroup D) and NIVEDIPm36 (serogroup A) were sequenced. A total of 2182-2284 coding sequences (CDSs) were predicted along with 5-6 rRNA and 45-46 tRNA genes in the genomes. Multilocus sequence analysis and LPS genotyping showed the presence of ST50: genotype 07 and ST74: genotype 06 in NIVEDIPm17 and NIVEDIPm36, respectively. Pangenome analysis of 61 strains showed the presence of 1653 core genes, 167 soft core genes, 750 shell genes, and 1820 cloud genes. Analysis of virulence-associated genes in 61 genomes indicated the presence of nanB, exbB, exbD, ptfA, ompA, ompH, fur, plpB, fimA, sodA, sodC, tonB, and omp87 in all strains. The 61 genomes contained genes encoding tetracycline (54%), streptomycin (48%), sulphonamide (28%), tigecycline (25%), chloramphenicol (21%), amikacin (7%), cephalosporin (5%), and trimethoprim (5%) resistance. Multilocus sequence type revealed that ST50 was the most common (34%), followed by ST74 (26%), ST13 (24%), ST287 (5%), ST09 (5%), ST122 (3%), and ST07 (2%). Single-nucleotide polymorphism and core genome-based phylogenetic analysis clustered the strains into three major clusters. In conclusion, we described the various virulence factors, mobile genetic elements, and antimicrobial resistance genes in the pangenome of P. multocida of porcine origin, besides the rare presence of LPS genotype 7 in serogroup D.
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Affiliation(s)
- Awadhesh Prajapati
- ICAR - National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Bengaluru 560064, Karnataka, India
| | - Revanaiah Yogisharadhya
- ICAR - National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Bengaluru 560064, Karnataka, India
| | - Nihar Nalini Mohanty
- CCS - National Institute of Animal Health (NIAH), Baghpat 250609, Uttar Pradesh, India
| | - Suresh Kumar Mendem
- ICAR - National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Bengaluru 560064, Karnataka, India
| | - Mohammed Mudassar Chanda
- ICAR - National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Bengaluru 560064, Karnataka, India
| | - Shivakumara Siddaramappa
- Institute of Bioinformatics and Applied Biotechnology (IBAB), Bengaluru 560100, Karnataka, India
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Spatial, Temporal, and Demographic Patterns in the Prevalence of Hemorrhagic Septicemia in 41 Countries in 2005–2019: A Systematic Analysis with Special Focus on the Potential Development of a New-Generation Vaccine. Vaccines (Basel) 2022; 10:vaccines10020315. [PMID: 35214771 PMCID: PMC8880277 DOI: 10.3390/vaccines10020315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/29/2022] [Accepted: 01/30/2022] [Indexed: 01/10/2023] Open
Abstract
Hemorrhagic septicemia (HS) caused by Pasteurella multocida B:2 and E:2 is among the fatal bacterial diseases in cattle and buffaloes that are economically valuable in Asian and African countries. The current work aims to study the prevalence of HS among buffaloes, cattle, sheep, and goats in 41 countries in 2005–2019. The data analysis revealed that 74.4% of the total infection rate in the world was distributed among cattle, followed by buffaloes (13.1%). The mortality of HS among cattle and buffaloes increased in 2017–2019 compared to the period between 2014 and 2016. The best measure to control the disease is through vaccination programs. Current commercial vaccines, including live-attenuated vaccines and inactivated vaccines, have some shortcomings and undesirable effects. Virus-like particles (VLPs) have more potential as a vaccine platform due to their unique properties to enhance immune response and the ability to use them as a platform for foreign antigens against infectious diseases. VLPs-based vaccines are among the new-generation subunit vaccine approaches that have been licensed for the human and veterinary fields. However, most studies are still in the late stages of vaccine evaluation.
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PRAJAPATI A, CHANDA MM, YOGISHARADHYA R, PARVEEN A, UMMER J, DHAYALAN A, MOHANTY NN, SHIVACHANDRA SB. Conservation of ptfA gene encoded Type IV fimbrial protein among circulating Pasteurella multocida serogroup A strains causing pneumonia in sheep. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2021. [DOI: 10.56093/ijans.v91i10.117212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Respiratory infections are most common in small ruminants. Differentiation of homogenous bacterial strains originated from similar clinical forms (acute or chronic) of infections in a particular or diverse host origin and regions posses a greater challenge for rapid epidemiological studies. Pasteurella multocida, being a multi-host pathogen with wide range of infections among small ruminants especially sheep, is of greater economical concern among small and marginal farmers. In our study, we report ptfA gene sequence based analysis of circulating P. multocida strains recovered from clinically ailing sheep either with pneumonia or septicaemia belonging to different geographical regions of Karnataka. All the 29 P. multocida strains were characterized by conventional methods as well as molecular methods which indicated homogeneity as they belonged to serogroup A and possessed highly conserved ptfA gene by phylogenetic analysis. The study highlighted the conservation of ptfA gene/fimbrial protein among P. multocida strains from identical/diverse clinical conditions and could be employed in rapid epidemiological studies in routine surveillance of circulating pathogenic bacterial strains as well as pasteurellosis outbreak investigations among animals and birds.
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Cheng Y, Wang K, Lin L, Zhao X, Pan Z, Zhou Z. Differences in pathogenicity and virulence-associated gene expression among Pasteurella multocida strains with high and low virulence in a lung tissue model. Microb Pathog 2019; 140:103911. [PMID: 31830580 DOI: 10.1016/j.micpath.2019.103911] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/29/2019] [Accepted: 12/03/2019] [Indexed: 12/01/2022]
Abstract
Pasteurella multocida capsular type A can cause a pulmonary infection, leading to serious pecuniary losses in cattle. The heterogeneity of infection outcome of P. multocida strains showing different virulence may be related to divergent expression of virulence genes. In this study, we compared the transcriptional response of virulence-associated genes in high (PMPAN001) and low (PMPAN007) virulence P. multocida capsular type A strains in lung tissues and in vitro. These clinical isolates differ in their organ bacterial loads, mRNA abundance of the same virulence genes between lung and culture medium, and extent of lung damage. Among the eight virulence-associated genes (fimA, tbpA, exbD, fur, oma87, pmHAS, nanH, and tonB), seven genes showed higher expression in lung compared with in vitro at 16 h (P ≤ 0.05) in PMPAN001, but not in PMPAN007. FimA, exbD, fur, oma87, pmHAS, and tonB gene transcripts showed significantly higher expression in PMPAN001 than in PMPAN007 in the lung tissues at 16 h post-infection (P ≤ 0.05). Specially, the virulence gene, nanH, in both strains was associated with poor expression in vitro and lung tissue (mean relative mRNA abundance values < 0.6). Strain PMPAN001 had a higher proliferation rate in vivo than strain PMPAN007. The bacterial loads of PMPAN001 in the organs increased from 12 h post-infection, with maximum bacteria count ranging from 1 million to 20 million/mg. In addition, lungs treated with PMPAN001 produced serious and extensive lesions marked with inflammation at 20 h. Overall, our results reveal that the highly expressed virulence-associated genes, fimA, exbD, fur, oma87, pmHAS, and tonB can be used as markers for assessing the virulence of P. multocida capsular type A strains.
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Affiliation(s)
- Yan Cheng
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, Nanjing Agricultural University, Nanjing, 210095, China
| | - Kaicheng Wang
- China Animal Health and Epidemiology Center, Qingdao, Shandong Province, China
| | - Lishan Lin
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xingkai Zhao
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zihao Pan
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Zhenlei Zhou
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, Nanjing Agricultural University, Nanjing, 210095, China.
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Sequence and structural analysis of OmpW protein of Pasteurella multocida strains reveal evolutionary conservation among members of Pasteurellaceae along with its homologues. GENE REPORTS 2019. [DOI: 10.1016/j.genrep.2018.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Shivachandra SB, Yogisharadhya R, Kumar A, Mohanty NN, Nagaleekar VK. Recombinant transferrin binding protein A (rTbpA) fragments of Pasteurella multocida serogroup B:2 provide variable protection following homologous challenge in mouse model. Res Vet Sci 2014; 98:1-6. [PMID: 25544697 DOI: 10.1016/j.rvsc.2014.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 11/07/2014] [Accepted: 11/23/2014] [Indexed: 10/24/2022]
Abstract
Transferrin binding protein A (TbpA), an iron acquisition surface protein that also acts as virulence factor, is widely distributed among strains of Pasteurella multocida. In the present study, a total of seven clones of TbpA fragments (39D to F777; 39D to Q697; 188V to F777; 188V to Q697; 39D to P377; 188V to P377 and 39D to F187) belonging to P. multocida B:2 were constructed, over-expressed and purified as recombinant fusion proteins from Escherichia coli using affinity chromatography. Immunization of mice with rTbpA fragments resulted in a significant (p < 0.05) rise in antigen specific serum total IgG and subtypes (IgG1 and IgG2a) tires. All immunized mice challenged with 8 LD50 of P. multocida B:2 resulted in a variable protective efficacy up to 50%. The study indicated the potential possibilities to incorporate full length TbpA in subunit vaccine formulation composed of synergistic subunit antigens against haemorrhagic septicaemia (HS) in cattle and buffalo.
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Affiliation(s)
- Sathish Bhadravati Shivachandra
- Clinical Bacteriology Laboratory, Indian Veterinary Research Institute (IVRI), Mukteswar-263138, Nainital, Uttarakhand, India.
| | - Revanaiah Yogisharadhya
- National Institute of Veterinary Epidemiology and Disease Informatics (NIVEDI), Bengaluru-560024, Karnataka, India
| | - Abhinendra Kumar
- Clinical Bacteriology Laboratory, Indian Veterinary Research Institute (IVRI), Mukteswar-263138, Nainital, Uttarakhand, India
| | - Nihar Nalini Mohanty
- Clinical Bacteriology Laboratory, Indian Veterinary Research Institute (IVRI), Mukteswar-263138, Nainital, Uttarakhand, India
| | - Viswas Konasagara Nagaleekar
- Division of Bacteriology and Mycology, Indian Veterinary Research Institute (IVRI), Izatnagar-243122, Bareilly, Uttar Pradesh, India
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Priyadarshini A, Kumar S, Gupta SK, Viswas KN, Agarwal RK, Singh VP. Cloning and sequence analysis of hsf, an outer membrane protein gene of Pasteurella multocida serotype B:2. Vet World 2014. [DOI: 10.14202/vetworld.2014.1090-1093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Structural Features of a Highly Conserved Omp16 Protein of Pasteurella multocida Strains and Comparison with Related Peptidoglycan-associated Lipoproteins (PAL). Indian J Microbiol 2014. [DOI: 10.1007/s12088-014-0489-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Immunogenicity of highly conserved recombinant VacJ outer membrane lipoprotein of Pasteurella multocida. Vaccine 2014; 32:290-6. [DOI: 10.1016/j.vaccine.2013.10.075] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 09/12/2013] [Accepted: 10/23/2013] [Indexed: 11/18/2022]
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Kumar A, Yogisharadhya R, Ramakrishnan MA, Viswas K, Shivachandra SB. Structural analysis and cross-protective efficacy of recombinant 87 kDa outer membrane protein (Omp87) of Pasteurella multocida serogroup B:2. Microb Pathog 2013; 65:48-56. [DOI: 10.1016/j.micpath.2013.09.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 09/16/2013] [Accepted: 09/26/2013] [Indexed: 01/10/2023]
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Expression and purification of recombinant type IV fimbrial subunit protein of Pasteurella multocida serogroup B:2 in Escherichia coli. Res Vet Sci 2012; 93:1128-31. [DOI: 10.1016/j.rvsc.2012.02.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 01/01/2012] [Accepted: 02/12/2012] [Indexed: 10/28/2022]
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Abstract
Hemorrhagic septicemia (HS), an acute, fatal and septicemic disease of cattle and buffaloes caused by Pasteurella multocida, is important in tropical regions of the world, especially in African and Asian countries. The prevalence of disease has been well documented with predominant isolation of P. multocida serotypes B:2 and E:2. Conventional methods of identification such as serotyping, biotyping, antibiogram determination and pathogenicity as well as molecular methods (P. multocida-specific polymerase chain reaction (PCR), a serogroup B-specific PCR assay, multiplex capsular typing system and loop-mediated isothermal amplification techniques) and characterization (restriction endonuclease analysis, randomly amplified polymorphic DNA analysis, repetitive extragenic palidromic PCR and enterobacterial repetitive intergenic consensus PCR analysis) are applied in parallel for rapid epidemiological investigations of HS outbreaks. Although several vaccine formulations including alum precipitated, oil adjuvant and multiple emulsion vaccines are commercially available, the quest for suitable broadly protective HS vaccines with long-lasting immunity is on the upsurge. Concurrently, attempts are being made to unravel the mysteries of the pathogen and its virulence factors, pathogenesis and determinants of protective immunity as well as diversity among strains of P. multocida. This review highlights the advances in these various aspects of HS.
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Outer membrane proteins of Pasteurella multocida. Vet Microbiol 2010; 144:1-17. [DOI: 10.1016/j.vetmic.2010.01.027] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2009] [Revised: 01/23/2010] [Accepted: 01/28/2010] [Indexed: 02/05/2023]
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Abstract
AbstractPasteurella multocidais a pathogenic Gram-negative bacterium that has been classified into three subspecies, five capsular serogroups and 16 serotypes.P. multocidaserogroup A isolates are bovine nasopharyngeal commensals, bovine pathogens and common isolates from bovine respiratory disease (BRD), both enzootic calf pneumonia of young dairy calves and shipping fever of weaned, stressed beef cattle.P. multocidaA:3 is the most common serotype isolated from BRD, and these isolates have limited heterogeneity based on outer membrane protein (OMP) profiles and ribotyping. Development ofP. multocida-induced pneumonia is associated with environmental and stress factors such as shipping, co-mingling, and overcrowding as well as concurrent or predisposing viral or bacterial infections. Lung lesions consist of an acute to subacute bronchopneumonia that may or may not have an associated pleuritis. Numerous virulence or potential virulence factors have been described for bovine respiratory isolates including adherence and colonization factors, iron-regulated and acquisition proteins, extracellular enzymes such as neuraminidase, lipopolysaccharide, polysaccharide capsule and a variety of OMPs. Immunity of cattle against respiratory pasteurellosis is poorly understood; however, high serum antibodies to OMPs appear to be important for enhancing resistance to the bacterium. Currently availableP. multocidavaccines for use in cattle are predominately traditional bacterins and a live streptomycin-dependent mutant. The field efficacy of these vaccines is not well documented in the literature.
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