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Cui Y, Wang X, Xu J, Liu X, Wang X, Pang J, Song Y, Yu M, Song W, Luo X, Liu M, Sun S. PROTEOMIC ANALYSIS OF TAENIA SOLIUM CYST FLUID BY SHOTGUN LC-MS/MS. J Parasitol 2021; 107:799-809. [PMID: 34648630 DOI: 10.1645/20-65] [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: 11/10/2022] Open
Abstract
Taenia solium cysts were collected from pig skeletal muscle and analyzed via a shotgun proteomic approach to identify known proteins in the cyst fluid and to explore host-parasite interactions. Cyst fluid was aseptically collected and analyzed with shotgun liquid chromatography-tandem mass spectrometry (LC-MS/MS). Gene alignment and annotation were performed using Blast2GO software followed by gene ontology analysis of the annotated proteins. The pathways were further analyzed with the Kyoto Encyclopedia of Genes and Genomes (KEGG), and a protein-protein interaction (PPI) network map was generated using STRING software. A total of 158 known proteins were identified, most of which were low-molecular-mass proteins. These proteins were mainly involved in cellular and metabolic processes, and their molecular functions were predominantly related to catalytic activity and binding functions. The pathway enrichment analysis revealed that the known proteins were mainly enriched in the PI3K-Akt and glycolysis/gluconeogenesis signaling pathways. The nodes in the PPI network mainly consisted of enzymes involved in sugar metabolism. The cyst fluid proteins screened in this study may play important roles in the interaction between the cysticerci and the host. The shotgun LC-MS/MS, gene ontology, KEGG, and PPI network map data will be used to identify and analyze the cyst fluid proteome of cysticerci, which will provide a basis for further exploration of the invasion and activities of T. solium.
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Affiliation(s)
- Yaxuan Cui
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Xinrui Wang
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Jing Xu
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Xiaolei Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130000, China
| | - Xuelin Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130000, China
| | - Jianda Pang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130000, China
| | - Yining Song
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Mingchuan Yu
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Weiyi Song
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China
| | - Xuenong Luo
- Key Laboratory of Veterinary Parasitology of Gansu Province, State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Mingyuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis/College of Veterinary Medicine, Jilin University, Changchun 130000, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu 225000, China
| | - Shumin Sun
- College of Animal Science and Technology, Inner Mongolia University for Nationalities, Inner Mongolia Tongliao 028042, China.,College of Veterinary Medicine, Yunnan Agricultural University, Kunming 650201, China
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Leontovyč A, Ulrychová L, O’Donoghue AJ, Vondrášek J, Marešová L, Hubálek M, Fajtová P, Chanová M, Jiang Z, Craik CS, Caffrey CR, Mareš M, Dvořák J, Horn M. SmSP2: A serine protease secreted by the blood fluke pathogen Schistosoma mansoni with anti-hemostatic properties. PLoS Negl Trop Dis 2018; 12:e0006446. [PMID: 29677188 PMCID: PMC5931690 DOI: 10.1371/journal.pntd.0006446] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 05/02/2018] [Accepted: 04/11/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Serine proteases are important virulence factors for many pathogens. Recently, we discovered a group of trypsin-like serine proteases with domain organization unique to flatworm parasites and containing a thrombospondin type 1 repeat (TSR-1). These proteases are recognized as antigens during host infection and may prove useful as anthelminthic vaccines, however their molecular characteristics are under-studied. Here, we characterize the structural and proteolytic attributes of serine protease 2 (SmSP2) from Schistosoma mansoni, one of the major species responsible for the tropical infectious disease, schistosomiasis. METHODOLOGY/PRINCIPAL FINDINGS SmSP2 comprises three domains: a histidine stretch, TSR-1 and a serine protease domain. The cleavage specificity of recombinant SmSP2 was determined using positional scanning and multiplex combinatorial libraries and the determinants of specificity were identified with 3D homology models, demonstrating a trypsin-like endopeptidase mode of action. SmSP2 displayed restricted proteolysis on protein substrates. It activated tissue plasminogen activator and plasminogen as key components of the fibrinolytic system, and released the vasoregulatory peptide, kinin, from kininogen. SmSP2 was detected in the surface tegument, esophageal glands and reproductive organs of the adult parasite by immunofluorescence microscopy, and in the excretory/secretory products by immunoblotting. CONCLUSIONS/SIGNIFICANCE The data suggest that SmSP2 is secreted, functions at the host-parasite interface and contributes to the survival of the parasite by manipulating host vasodilatation and fibrinolysis. SmSP2 may be, therefore, a potential target for anti-schistosomal therapy.
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Affiliation(s)
- Adrian Leontovyč
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
- First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Lenka Ulrychová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
- Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Anthony J. O’Donoghue
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, United States of America
| | - Jiří Vondrášek
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
| | - Lucie Marešová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
| | - Martin Hubálek
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
| | - Pavla Fajtová
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
- First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Marta Chanová
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Zhenze Jiang
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, United States of America
| | - Charles S. Craik
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA, United States of America
| | - Conor R. Caffrey
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, United States of America
| | - Michael Mareš
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
| | - Jan Dvořák
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
- * E-mail: (MH); (JD)
| | - Martin Horn
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
- * E-mail: (MH); (JD)
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Dvorak J, Horn M. Serine proteases in schistosomes and other trematodes. Int J Parasitol 2018; 48:333-344. [PMID: 29477711 DOI: 10.1016/j.ijpara.2018.01.001] [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: 11/08/2017] [Revised: 01/19/2018] [Accepted: 01/25/2018] [Indexed: 02/04/2023]
Abstract
Trematodes, also known as flukes, are phylogenetically ancient parasitic organisms. Due to their importance as human and veterinary parasites, their proteins have been investigated extensively as drug and vaccine targets. Among those, proteases, as crucial enzymes for parasite survival, are considered candidate molecules for anti-parasitic interventions. Surprisingly however, trematode serine proteases, in comparison with other groups of proteases, are largely neglected. Genes encoding serine proteases have been identified in trematode genomes in significant abundance, but the biological roles and biochemical functions of these proteases are poorly understood. However, increasing volumes of genomic and proteomic studies, and accumulated experimental evidence, indicate that this class of proteases plays a substantial role in host-parasite interactions and parasite survival. Here, we discuss in detail serine proteases at genomic and protein levels, and their known or hypothetical functions.
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Affiliation(s)
- Jan Dvorak
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences in Prague, Kamycka 129, Prague CZ 165 21, Czech Republic.
| | - Martin Horn
- Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague CZ 166 10, Czech Republic.
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Wu HW, Ito A, Ai L, Zhou XN, Acosta LP, Lee Willingham A. Cysticercosis/taeniasis endemicity in Southeast Asia: Current status and control measures. Acta Trop 2017; 165:121-132. [PMID: 26802488 DOI: 10.1016/j.actatropica.2016.01.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 11/02/2015] [Accepted: 01/10/2016] [Indexed: 12/26/2022]
Abstract
The parasitic zoonoses cysticercosis/taeniasis is among the 17 major Neglected Tropical Diseases (NTDs) identified by the WHO as a focus for research and control. It is caused by a larval stage (cysticercus) infection of Taenia solium tapeworm in both humans and pigs. Cysticercosis occurs in many resource-poor countries, especially those with warm and mild climates in the regions of Latin America (LA), Asia and Sub-Saharan Africa (SSA). The prevalence of human cysticercosis is marked in those areas where individuals are traditionally keen to consume raw or insufficiently cooked pork and/or where the husbandry of pigs is improper. The worldwide burden of cysticercosis is unclear and notably, large-scale control initiatives are lacking in all regions. This review focuses on the current endemic status of cysticercosis caused by T. solium infection in both humans and pigs living in 13 Southeast Asian countries. We will also emphasize epidemiological data as well as prevention and control of human neurocysticercosis.
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Affiliation(s)
- Hai-Wei Wu
- Center for International Health Research, Rhode Island Hospital, Brown University Medical School, Providence, RI, USA; Department of Pediatrics, Rhode Island Hospital, Brown University Medical School, Providence, RI, USA.
| | - Akira Ito
- Department of Parasitology and Neglected Tropical Diseases Research Laboratory, Asahikawa Medical University, Asahikawa, Japan
| | - Lin Ai
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, People's Republic of China
| | - Xiao-Nong Zhou
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, People's Republic of China
| | - Luz P Acosta
- Department of Immunology, Research Institute for Tropical Medicine, Alabang, Muntinlupa, Philippines
| | - Arve Lee Willingham
- One Health Center for Zoonoses and Tropical Veterinary Medicine, Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies
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Yılmaz Ş, Victor B, Hulstaert N, Vandermarliere E, Barsnes H, Degroeve S, Gupta S, Sticker A, Gabriël S, Dorny P, Palmblad M, Martens L. A Pipeline for Differential Proteomics in Unsequenced Species. J Proteome Res 2016; 15:1963-70. [DOI: 10.1021/acs.jproteome.6b00140] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Şule Yılmaz
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
| | - Bjorn Victor
- Veterinary
Helminthology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerp, Belgium
| | - Niels Hulstaert
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
| | - Elien Vandermarliere
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
| | - Harald Barsnes
- Proteomics
Unit (PROBE), Department of Biomedicine, University of Bergen, Jonas Liesvei 91, N-5009 Bergen, Norway
| | - Sven Degroeve
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
| | - Surya Gupta
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
| | - Adriaan Sticker
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
- Department
of Applied Mathematics, Computer Science, and Statistics, Ghent University, B-9000 Ghent, Belgium
| | - Sarah Gabriël
- Veterinary
Helminthology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerp, Belgium
| | - Pierre Dorny
- Veterinary
Helminthology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerp, Belgium
| | - Magnus Palmblad
- Center
for Proteomics and Metabolomics, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Lennart Martens
- Medical Biotechnology Center, VIB, Albert Baertsoenkaai 3, Ghent B-9000, Belgium
- Department
of Biochemistry, Ghent University, Albert Baertsoenkaai 3, B-9000 Ghent, Belgium
- Bioinformatics
Institute Ghent, Ghent University, B-9052 Ghent, Belgium
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Yang Y, Wen YJ, Cai YN, Vallée I, Boireau P, Liu MY, Cheng SP. Serine proteases of parasitic helminths. THE KOREAN JOURNAL OF PARASITOLOGY 2015; 53:1-11. [PMID: 25748703 PMCID: PMC4384789 DOI: 10.3347/kjp.2015.53.1.1] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 09/15/2014] [Accepted: 10/23/2014] [Indexed: 12/04/2022]
Abstract
Serine proteases form one of the most important families of enzymes and perform significant functions in a broad range of biological processes, such as intra- and extracellular protein metabolism, digestion, blood coagulation, regulation of development, and fertilization. A number of serine proteases have been identified in parasitic helminths that have putative roles in parasite development and nutrition, host tissues and cell invasion, anticoagulation, and immune evasion. In this review, we described the serine proteases that have been identified in parasitic helminths, including nematodes (Trichinella spiralis, T. pseudospiralis, Trichuris muris, Anisakis simplex, Ascaris suum, Onchocerca volvulus, O. lienalis, Brugia malayi, Ancylostoma caninum, and Steinernema carpocapsae), cestodes (Spirometra mansoni, Echinococcus granulosus, and Schistocephalus solidus), and trematodes (Fasciola hepatica, F. gigantica, and Schistosoma mansoni). Moreover, the possible biological functions of these serine proteases in the endogenous biological phenomena of these parasites and in the host-parasite interaction were also discussed.
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Affiliation(s)
- Yong Yang
- State Key Laboratory for Molecular Biology of Special Economic Animals, Institute of Special Economic Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, China
- ANSES, ENVA, UPVM, PRES Paris Est, JRU BIPAR, Animal Health Laboratory, Maisons-Alfort, France
| | - Yun jun Wen
- State Key Laboratory for Molecular Biology of Special Economic Animals, Institute of Special Economic Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Ya Nan Cai
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Isabelle Vallée
- ANSES, ENVA, UPVM, PRES Paris Est, JRU BIPAR, Animal Health Laboratory, Maisons-Alfort, France
| | - Pascal Boireau
- ANSES, ENVA, UPVM, PRES Paris Est, JRU BIPAR, Animal Health Laboratory, Maisons-Alfort, France
| | - Ming Yuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
| | - Shi Peng Cheng
- State Key Laboratory for Molecular Biology of Special Economic Animals, Institute of Special Economic Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun, China
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7
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Yan HB, Lou ZZ, Li L, Brindley PJ, Zheng Y, Luo X, Hou J, Guo A, Jia WZ, Cai X. Genome-wide analysis of regulatory proteases sequences identified through bioinformatics data mining in Taenia solium. BMC Genomics 2014; 15:428. [PMID: 24899069 PMCID: PMC4070553 DOI: 10.1186/1471-2164-15-428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Accepted: 05/19/2014] [Indexed: 12/20/2022] Open
Abstract
Background Cysticercosis remains a major neglected tropical disease of humanity in many regions, especially in sub-Saharan Africa, Central America and elsewhere. Owing to the emerging drug resistance and the inability of current drugs to prevent re-infection, identification of novel vaccines and chemotherapeutic agents against Taenia solium and related helminth pathogens is a public health priority. The T. solium genome and the predicted proteome were reported recently, providing a wealth of information from which new interventional targets might be identified. In order to characterize and classify the entire repertoire of protease-encoding genes of T. solium, which act fundamental biological roles in all life processes, we analyzed the predicted proteins of this cestode through a combination of bioinformatics tools. Functional annotation was performed to yield insights into the signaling processes relevant to the complex developmental cycle of this tapeworm and to highlight a suite of the proteases as potential intervention targets. Results Within the genome of this helminth parasite, we identified 200 open reading frames encoding proteases from five clans, which correspond to 1.68% of the 11,902 protein-encoding genes predicted to be present in its genome. These proteases include calpains, cytosolic, mitochondrial signal peptidases, ubiquitylation related proteins, and others. Many not only show significant similarity to proteases in the Conserved Domain Database but have conserved active sites and catalytic domains. KEGG Automatic Annotation Server (KAAS) analysis indicated that ~60% of these proteases share strong sequence identities with proteins of the KEGG database, which are involved in human disease, metabolic pathways, genetic information processes, cellular processes, environmental information processes and organismal systems. Also, we identified signal peptides and transmembrane helices through comparative analysis with classes of important regulatory proteases. Phylogenetic analysis using Bayes approach provided support for inferring functional divergence among regulatory cysteine and serine proteases. Conclusion Numerous putative proteases were identified for the first time in T. solium, and important regulatory proteases have been predicted. This comprehensive analysis not only complements the growing knowledge base of proteolytic enzymes, but also provides a platform from which to expand knowledge of cestode proteases and to explore their biochemistry and potential as intervention targets. Electronic supplementary material The online version of this article (doi: 10.1186/1471-2164-15-428) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hong-Bin Yan
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Key Laboratory of Veterinary Public Health of Agriculture Ministry, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, Gansu Province, PR China.
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