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He X, Memon S, Yue D, Zhu J, Lu Y, Liu X, Xiong H, Li G, Deng W, Xi D. PRNP gene polymorphism frequencies for comparing possible vulnerability to BSE in Chinese bovine population. Anim Biotechnol 2023; 34:2433-2440. [PMID: 35875846 DOI: 10.1080/10495398.2022.2095515] [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: 11/01/2022]
Abstract
Among the numerous transmissible spongiform encephalopathies (TSEs), bovine spongiform encephalopathy (BSE) is the most well-known TSEs. It is a potential Creutzfeldt-Jakob (CJD) disease mutation that can be transferred through cattle to humans. In several animals, the prion protein gene (PRNP) is recognized to take active part in TSE vulnerability or tolerance. Previous studies have found indels polymorphism in PRNP gene promoter and intron1 region linked to BSE vulnerability. It's linked with 23 bp indels polymorphism in putative promoter and 12 bp indel in intron 1 of the PRNP gene. The aim of this study was to compare the allele, genotype and haplotype frequencies of PRNP indel polymorphisms in Zhongdian Yak (Bos grunniens) (YK), Zhongdian Yellow cattle (Bos taurus) (YC) and Zhongdian Yakow (Bos primigenius taurus × Bos grunniens) (PK) with worldwide reported healthy or affected BSE cattle, in order to assess their potential resistance to BSE. A comparison of Chinese bovine populations with healthy and BSE-affected German and Swiss cattle from globally was conducted, and result indicating significant difference (p < .001) between healthy and affected cattle. Additionally, as compared to prior studies with Chinese bovine population, the significant results were found. In this study, the allelic frequency D23 finding high deletion in all analyzed Chinese bovine species, and haplotype D12-D23 exhibited a less significant inclination toward susceptibility to BSE.
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Affiliation(s)
- Xiaoming He
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Sameeullah Memon
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
- Korea Zoonosis Research Institute, Jeonbuk National University, Hana-ro, Iksan, Jeonbuk, Republic of Korea
| | - Dan Yue
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Junhong Zhu
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Ying Lu
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Xingneng Liu
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Heli Xiong
- Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Guozhi Li
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Weidong Deng
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Dongmei Xi
- Yunnan Provincial Key Laboratory of Animal Nutrition and Feed, Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
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2
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Kim YC, Won SY, Jeong MJ, Jeong BH. Absence of proteinase K-resistant PrP in Korean Holstein cattle carrying potential bovine spongiform encephalopathy-related E211K somatic mutation. Transbound Emerg Dis 2021; 69:805-812. [PMID: 33660931 DOI: 10.1111/tbed.14053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 03/02/2021] [Accepted: 03/02/2021] [Indexed: 10/22/2022]
Abstract
Bovine spongiform encephalopathy (BSE) is a kind of prion disease caused by proteinase K-resistant prion protein (PrPSc ) in cattle. Although BSE has been reported worldwide, BSE-infected cases have never been reported in Korea. In a previous study, we identified BSE-related somatic mutation E211K in 3 Korean Holstein cattle. In Korea, the BSE surveillance system has been established. However, several genetic factors have not been controlled simultaneously thus far. In the present study, we performed enhanced surveillance of prion disease-related factors in Korean cattle, including Holstein cattle and Hanwoo (Korean native cattle), which is widely raised for meat. We investigated the germline mutation E211K at codon 211 of the PRNP gene and analysed genotype, allele and haplotype frequencies of the 23- and 12-bp insertion/deletion polymorphisms of the PRNP gene using direct DNA sequencing. In addition, we investigated linkage disequilibrium (LD) and compared haplotype distributions of polymorphisms among cattle breeds. Furthermore, we carried out BSE diagnosis in the medulla oblongata (MO) of Korean cattle including 3 Korean Holstein cattle carrying somatic mutation E211K using Western blotting analysis. We did not find the E211K mutation in the PRNP gene in any of the Korean cattle and found significantly different genotype, allele and haplotype distributions of the 23- and 12-bp insertion/deletion polymorphisms of the PRNP gene in male Holstein compared with male Hanwoo, female Hanwoo and total Hanwoo. In addition, only male Holstein showed weak LD between 23- and 12-bp insertion/deletion polymorphisms. Furthermore, the PrPSc bands were not detected in all Korean cattle tested. To the best of our knowledge, the enhanced surveillance system of BSE was conducted for the first time in Korean cattle.
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Affiliation(s)
- Yong-Chan Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, Korea.,Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Korea
| | - Sae-Young Won
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, Korea.,Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Korea
| | - Min-Ju Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, Korea.,Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Korea
| | - Byung-Hoon Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, Korea.,Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Korea
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Zink RM, Najar N, Vázquez-Miranda H, Buchanan BL, Loy D, Brodersen BW. Geographic variation in the PRNP gene and its promoter, and their relationship to chronic wasting disease in North American deer. Prion 2020; 14:185-192. [PMID: 32715865 PMCID: PMC7518737 DOI: 10.1080/19336896.2020.1796250] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
PRNP genotypes, number of octarepeats (PHGGGWGQ) and indels in the PRNP promoter can influence the progression of prion disease in mammals. We found no relationship between presence of promoter indels in white-tailed deer and mule deer from Nebraska and CWD presence. White-tailed deer with the 95 H allele and G20D mule deer were more likely to be CWD-free, but unlike other studies white-tailed deer with the 96S allele(s) were equally likely to be CWD-free. We provide the first information on PRNP genotypes and indels in the promoter for Key deer (all homozygous 96SS) and Coues deer (lacked 95 H and 96S alleles, but possessed a uniquely high frequency of 103 T). All deer surveyed were homozygous for three tandem octarepeats.
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Affiliation(s)
- Robert M Zink
- School of Natural Resources, University of Nebraska-Lincoln , Lincoln, NE, USA.,School of Biological Sciences, University of Nebraska-Lincoln , Lincoln, NE, USA.,Nebraska State Museum, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Nadje Najar
- School of Natural Resources, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Hernán Vázquez-Miranda
- School of Natural Resources, University of Nebraska-Lincoln , Lincoln, NE, USA.,Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México , Ciudad de México, CP, Mexico
| | | | - Duan Loy
- Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln , Lincoln, NE, USA
| | - Bruce W Brodersen
- Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln , Lincoln, NE, USA
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van Raamsdonk LWD, Prins TW, Meijer N, Scholtens IMJ, Bremer MGEG, de Jong J. Bridging legal requirements and analytical methods: a review of monitoring opportunities of animal proteins in feed. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:46-73. [PMID: 30608892 DOI: 10.1080/19440049.2018.1543956] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Availability and safety of food ranks among the basic requirements for human beings. The importance of the food producing sector, inclusive of feed manufacturing, demands a high level of regulation and control. This paper will present and discuss the relationships in the triangle of legislation, the background of hazards with a biological nature, and opportunities for monitoring methods, most notable for prion-based diseases as primary issue. The European Union legislation for prevention of prion-based diseases since 2000 is presented and discussed. The definitions and circumscriptions of groups of species will be analysed in the view biological classification and evolutionary relationships. The state of the art of monitoring methods is presented and discussed. Methods based on visual markers (microscopy), DNA-based methods (PCR), protein-based methods (ELISA, mass spectroscopy, proteomics), near infrared oriented methods and combinations thereof are being evaluated. It is argued that the use in legislation of non-homogeneous groups of species in a biological sense will hamper the optimal design of monitoring methods. Proper definitions are considered to act as bridges between legal demands and suitable analytical methods for effective monitoring. Definitions including specified groups of species instead of single species are more effective for monitoring in a range of cases. Besides the desire of precise circumscription of animal groups targeted by legislation, processed products need well defined definitions as well. Most notable examples are blood versus blood products, and hydrolysis of several types of material. The WISE principle for harmonising the design of legislation and of analytical methods is discussed. This principle includes the elements Witful (reasonable legal principles), Indicative (clear limits between prohibition and authorisation), Societal demands (public health, environment, economy), and Enforceable (presence of suited monitoring methods) in order to promote a balanced effort for reaching the desired level of safety in the food production chain.
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Memon S, Li G, Xiong H, Wang L, Liu X, Yuan M, Deng W, Xi D. Deletion / insertion polymorphisms of the prion protein gene (PRNP) in gayal (Bos frontalis). J Genet 2018. [DOI: 10.1007/s12041-018-1005-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Zhao H, Wang S, Guo L, Du Y, Liu L, Ma T, Otecko NO, Li C, Zhang Y. Fixed differences in the 3'UTR of buffalo PRNP gene provide binding sites for miRNAs post-transcriptional regulation. Oncotarget 2018; 8:46006-46019. [PMID: 28545018 PMCID: PMC5542244 DOI: 10.18632/oncotarget.17545] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 03/30/2017] [Indexed: 01/27/2023] Open
Abstract
Bovine spongiform encephalopathy, a member of transmissible spongiform encephalopathies, has not been reported in buffaloes, Bubalus bubalis. Prion protein (PrP), encoded by the prion protein gene (PRNP), is fundamental in the pathogenesis of transmissible spongiform encephalopathies. We previously showed that buffaloes express more PrP proteins but lower PRNP mRNA than cattle in several pivotal tissues like the obex. Therefore, we sought to establish whether genetic variability in PRNP 3'UTR, mediated by miRNA down-regulation, causes PrP expression differences between cattle and buffaloes. We annotated the 3'UTR of buffalo PRNP gene by 3'RACE experiment. A total of 92 fixed differences in the complete 3'UTR (~ 3 kb) were identified between 13 cattle and 13 buffaloes. Resequencing of UTR-C (g.786-1436) and UTR-B (g.778-1456) fragments confirmed that all mutations except g.1022T in cattle are fixed differences between 147 cattle and 146 buffaloes. In addition, analysis of the variation of ΔG between cattle and buffalo sequences reveals four remarkable differences. Two buffalo-specific insertion sites (a 28-bp insertion and an AG insertion in buffalo 3'UTR of PRNP g.970-997 and g. 1088-1089, respectively) and two mutants (g. 1007-1008 TG→CC) create compatible binding sites for miRNAs in buffalo 3'UTR. This was validated through luciferase reporter assays which demonstrated that miR-125b-5p, miR-132-3p, miR-145-5p, miR-331-3p, and miR-338-3p directly act on the fixed difference sites in buffalo 3'UTR. Additional expressional analyses show that these five miRNAs are coexpressed with PRNP in bovine obex tissues. Our study reveals a miRNAs regulated mechanism explaining the differences in prion expression between cattle and buffalo.
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Affiliation(s)
- Hui Zhao
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,Key Laboratory for Animal Genetic Diversity and Evolution of High Education in Yunnan Province, Yunnan University, Kunming 650091, P.R. China
| | - Siqi Wang
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,School of Life Science, Yunnan University, Kunming 650091, P.R. China
| | - Lixia Guo
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,School of Life Science, Yunnan University, Kunming 650091, P.R. China
| | - Yanli Du
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,School of Life Science, Yunnan University, Kunming 650091, P.R. China
| | - Linlin Liu
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,School of Life Science, Yunnan University, Kunming 650091, P.R. China
| | - Tengfei Ma
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,School of Life Science, Yunnan University, Kunming 650091, P.R. China
| | - Newton O Otecko
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, P.R. China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming 650204, P.R. China
| | - Canpeng Li
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
| | - Yaping Zhang
- State Key Laboratory for Conservation and Utilization of Bio-resource, Yunnan University, Kunming 650091, P.R. China.,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, P.R. China
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Li J, Erdenee S, Zhang S, Wei Z, Zhang M, Jin Y, Wu H, Chen H, Sun X, Xu H, Cai Y, Lan X. Genetic effects of PRNP gene insertion/deletion (indel) on phenotypic traits in sheep. Prion 2018; 12:42-53. [PMID: 29394137 DOI: 10.1080/19336896.2017.1405886] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Prion protein (PRNP) gene is well known for affecting mammal transmissible spongiform encephalopathies (TSE), and is also reported to regulate phenotypic traits (e.g. growth traits) in healthy ruminants. To identify the insertion/deletion (indel) variations of the PRNP gene and evaluate their effects on growth traits, 768 healthy individuals from five sheep breeds located in China and Mongolia were identified and analyzed. Herein, four novel indel polymorphisms, namely, Intron-1-insertion-7bp (I1-7bp), Intron-2-insertion-15bp (I2-15bp), Intron-2-insertion-19bp (I2-19bp), and 3' UTR-insertion-7bp (3' UTR-7bp), were found in the sheep PRNP gene. In five analyzed breeds, the minor allelic frequencies (MAF) of the above indels were in the range of 0.008 to 0.986 (I1-7bp), 0.113 to 0.336 (I2-15bp), 0.281 to 0.510 (I2-19bp), and 0.040 to 0.238 (3' UTR-7bp). Additionally, there were 15 haplotypes and the haplotype 'II2-15bp-D3'UTR-7bp-DI2-19bp-DI1-7bp' had the highest frequency, which varied from 0.464 to 0.629 in five breeds. Moreover, association analysis revealed that all novel indel polymorphisms were significantly associated with 13 different growth traits (P < 0.05). Particularly, the influences of I2-15bp on chest width (P = 0.001) in Small Tail Han sheep (ewe), 3' UTR-7bp on chest circumference (P = 0.003) in Hu sheep, and I2-19bp on tail length (P = 0.001) in Tong sheep, were highly significant (P < 0.01). These findings may be a further step toward the detection of indel-based typing within and across sheep breeds, and of promising target loci for accelerating the progress of marker-assisted selection in sheep breeding.
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Affiliation(s)
- Jie Li
- a College of Animal Science and Technology, Innovation Experimental College, Northwest A&F University , Xi'an, Shaanxi , China
| | - Sarantsetseg Erdenee
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Shaoli Zhang
- a College of Animal Science and Technology, Innovation Experimental College, Northwest A&F University , Xi'an, Shaanxi , China
| | - Zhenyu Wei
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Meng Zhang
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Yunyun Jin
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Hui Wu
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Hong Chen
- c Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University , Yangling , Shaanxi , China
| | - Xiuzhu Sun
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
| | - Hongwei Xu
- d Science Experimental Center, College of Life Science and Engineering, Northwest University for Nationalities , Chengguan District, Lanzhou City in northwest, Lanzhou , Gansu , China
| | - Yong Cai
- d Science Experimental Center, College of Life Science and Engineering, Northwest University for Nationalities , Chengguan District, Lanzhou City in northwest, Lanzhou , Gansu , China
| | - Xianyong Lan
- b College of Animal Science and Technology, Northwest A&F University , Xi'an , Shaanxi , China
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Yaman Y, Ün C. Nucleotide and octapeptide-repeat variations of the prion protein coding gene (PRNP) in Anatolian, Murrah, and crossbred water buffaloes. Trop Anim Health Prod 2017; 50:573-579. [PMID: 29147935 DOI: 10.1007/s11250-017-1471-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 11/08/2017] [Indexed: 11/25/2022]
Abstract
Resistance to bovine spongiform encephalopathy (BSE) that is significantly associated with insertion/deletion (indel) polymorphisms at two loci (putative promoter and intron 1) on the prion protein gene (PRNP) in cattle has been well documented. Studies suggest that the insertion alleles are related to BSE resistance. Until recently, BSE has never been reported in water buffaloes (unlike cattle). Previous studies have demonstrated that the PRNP gene in water buffalo consists mostly of insertion alleles at both loci; nevertheless, whether or not water buffaloes are genetically resistant to BSE and the role of indel polymorphisms in their resistance status is not clear. We examined the coding region of PRNP to determine the nucleotide and octapeptide-repeat (octarepeats) variations of Anatolian, Murrah and Murrah × Anatolian (M × A) water buffaloes. Three synonymous single nucleotide polymorphisms (SNP) at positions 126, 234, and 285, and a non-synonymous SNP at position 322 (G108S) were detected. Triplet G/A/T base substitutions were observed at position 126 and two additional genotypes, T/A and T/G, at this position were determined. We also found six octarepeats that indicated the presence of the wild-type PRNP6 allele in the coding region. To the best of our knowledge, this is the first report of the T/A and T/G genotypes in water buffaloes.
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Affiliation(s)
- Yalçın Yaman
- Department of Biometry and Genetics, Sheep Research Institute, Çanakkale road, 7.km, 10220, Bandirma, Balikesir, Turkey.
| | - Cemal Ün
- Faculty of Science, Department of Biology, Ege University, 35040, İzmir, Turkey
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Yang Q, Zhang S, Liu L, Lei C, Qi X, Lin F, Qu W, Qi X, Liu J, Wang R, Chen H, Lan X. The evaluation of 23-bp and 12-bp insertion/deletion within the PRNP gene and their effects on growth traits in healthy Chinese native cattle breeds. JOURNAL OF APPLIED ANIMAL RESEARCH 2017. [DOI: 10.1080/09712119.2017.1348950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Qing Yang
- College of Animal Science and Technology, Northwest A&F University, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Yangling, People’s Republic of China
| | - Sihuan Zhang
- College of Animal Science and Technology, Northwest A&F University, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Yangling, People’s Republic of China
| | - Liangliang Liu
- School of Business Information, Shanghai University of International Business and Economics, Shanghai, People’s Republic of China
| | - Chuzhao Lei
- College of Animal Science and Technology, Northwest A&F University, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Yangling, People’s Republic of China
| | - Xinglei Qi
- Xia'nan cattle Technology Development Company, Biyang, People’s Republic of China
- Bureau of Animal Husbandry, Biyang, People’s Republic of China
| | - Fengpeng Lin
- Xia'nan cattle Technology Development Company, Biyang, People’s Republic of China
- Bureau of Animal Husbandry, Biyang, People’s Republic of China
| | - Weidong Qu
- Bureau of Animal Husbandry, Biyang, People’s Republic of China
| | - Xingshan Qi
- Bureau of Animal Husbandry, Biyang, People’s Republic of China
| | - Jiming Liu
- Animal Husbandry Technology Promotion Station of Jiangxi, Nanchang, People’s Republic of China
| | - Rongmin Wang
- Animal Husbandry Technology Promotion Station of Jiangxi, Nanchang, People’s Republic of China
| | - Hong Chen
- College of Animal Science and Technology, Northwest A&F University, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Yangling, People’s Republic of China
| | - Xianyong Lan
- College of Animal Science and Technology, Northwest A&F University, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Yangling, People’s Republic of China
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Investigation of the prion protein gene (PRNP) polymorphisms in Anatolian, Murrah, and crossbred water buffaloes (Bubalus bubalis). Trop Anim Health Prod 2016; 49:427-430. [PMID: 27822596 DOI: 10.1007/s11250-016-1185-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 10/26/2016] [Indexed: 10/20/2022]
Abstract
Bovine spongiform encephalopathy (BSE) of the cattle is the outstanding disease among other transmissible spongiform encephalopathy (TSEs). It can be transmitted from the cattle to a human and causes a new variant of the Creutzfeldt-Jakob disease (CJD). It is known that prion protein coding gene (PRNP) plays a major role in the TSE susceptibility or resistance in some species. Recent researches demonstrated that the insertion (in) and deletion (del) polymorphisms within promoter and intron 1 region of the PRNP related to BSE susceptibility in cattle. In contrast to cattle, BSE has never been reported in water buffalo; hence, PRNP polymorphisms may be an explanation for buffalo resistance to BSE. The aim of this study was to evaluate allele, genotype, and haplotype frequencies of the PRNP promoter and intron 1 insertion/deletion (indel) polymorphism in healthy Anatolian, Murrah, and Murrah × Anatolian crossbred buffaloes. According to our findings, there were no deletion alleles at two mentioned loci. All studied buffaloes were monomorphic and have carried in/in haplotypes which are considered as the most resistant genotype to BSE.
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Zhao H, Wang SQ, Qing LL, Liu LL, Zhang YP. Expression of BSE-associated proteins in the CNS and lymphoreticular tissues of cattle and buffalo. Sci Bull (Beijing) 2016. [DOI: 10.1007/s11434-016-1130-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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