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Deng TX, Ma XY, Lu XR, Duan AQ, Shokrollahi B, Shang JH. Signatures of selection reveal candidate genes involved in production traits in Chinese crossbred buffaloes. J Dairy Sci 2021; 105:1327-1337. [PMID: 34955275 DOI: 10.3168/jds.2021-21102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/03/2021] [Indexed: 12/11/2022]
Abstract
Identification of selection signature is important for a better understanding of genetic mechanisms that affect phenotypic differentiation in livestock. However, the genome-wide selection responses have not been investigated for the production traits of Chinese crossbred buffaloes. In this study, an SNP data set of 133 buffaloes (Chinese crossbred buffalo, n = 45; Chinese local swamp buffalo, n = 88) was collected from the Dryad Digital Repository database (https://datadryad.org/stash/). Population genetics analysis showed that these buffaloes were divided into the following 2 groups: crossbred buffalo and swamp buffalo. The crossbred group had higher genetic diversity than the swamp group. Using 3 complementary statistical methods (integrated haplotype score, cross population extended haplotype homozygosity, and composite likelihood ratio), a total of 31 candidate selection regions were identified in the Chinese crossbred population. Here, within these candidate regions, 25 genes were under the putative selection. Among them, several candidate genes were reported to be associated with production traits. In addition, we identified 13 selection regions that overlapped with bovine QTLs that were mainly involved in milk production and composition traits. These results can provide useful insights regarding the selection response for production traits of Chinese crossbred buffalo, as identified candidate genes influence production performance.
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Affiliation(s)
- T X Deng
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China.
| | - X Y Ma
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - X R Lu
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - A Q Duan
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - Borhan Shokrollahi
- Department of Animal Science, Faculty of Agriculture, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran 5595-73919
| | - J H Shang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China.
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Lu XR, Duan AQ, Li WQ, Abdel-Shafy H, Rushdi HE, Liang SS, Ma XY, Liang XW, Deng TX. Genome-wide analysis reveals genetic diversity, linkage disequilibrium, and selection for milk production traits in Chinese buffalo breeds. J Dairy Sci 2020; 103:4545-4556. [PMID: 32147265 DOI: 10.3168/jds.2019-17364] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 01/13/2020] [Indexed: 11/19/2022]
Abstract
The water buffalo is an important dual-purpose livestock that is widespread throughout central and southern China. However, there has been no characterization of the population genetics of Chinese buffalo. Using an Axiom buffalo genotyping array (Thermo Fisher Scientific, Wilmington, DE), we analyzed the genetic diversity, linkage disequilibrium pattern, and signature of selection in 176 Chinese buffaloes from 13 breeds. A total of 35,547 SNP passed quality control and were used for further analyses. Population genetic analysis revealed a clear separation between swamp and river types. Ten Chinese indigenous breeds were clustered into the swamp group, the Murrah and Nili-Ravi breeds were clustered into the river group, and the crossbred breed was closer to the river group. Genetic diversity analysis showed that the swamp group had a lower average expected heterozygosity. Linkage disequilibrium decay distance was much shorter in the swamp group compared with the river group, with an average square of correlation coefficient value of 0.2 of approximately 50 kb. Analysis of runs of homozygosity indicated extensive remote and recent inbreeding within swamp and river groups, respectively. Moreover, one genomic region under selection was detected between the river and swamp groups. Our findings contribute to our understanding of the characterization of population genetics in Chinese buffaloes, which in turn may be used in buffalo breeding programs.
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Affiliation(s)
- X R Lu
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - A Q Duan
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - W Q Li
- BGI Genomics, BGI-Shenzhen, Shenzhen 518083, China
| | - H Abdel-Shafy
- Department of Animal Production, Faculty of Agriculture, Cairo University, 12613 Giza, Egypt
| | - H E Rushdi
- Department of Animal Production, Faculty of Agriculture, Cairo University, 12613 Giza, Egypt
| | - S S Liang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - X Y Ma
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - X W Liang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China
| | - T X Deng
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning 530001, China.
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Deng TX, Pang CY, Lu XR, Zhu P, Duan AQ, Liang XW. Associations between polymorphisms of the STAT1 gene and milk production traits in water buffaloes1. J Anim Sci 2016; 94:927-35. [DOI: 10.2527/jas.2015-0139] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T. X. Deng
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - C. Y. Pang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - X. R. Lu
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - P. Zhu
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - A. Q. Duan
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - X. W. Liang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction technology, Ministry of Agriculture, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
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Wu S, Zeng YJ, Zhang C, Deng TX, Xu YQ, Zhang X. The role of the killer cell immunoglobulin-like receptor (KIR) "missing self" model in unrelated donor HSCT: a meta-analysis. Transplant Proc 2015; 47:558-65. [PMID: 25769607 DOI: 10.1016/j.transproceed.2015.01.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Revised: 01/10/2015] [Accepted: 01/28/2015] [Indexed: 12/29/2022]
Abstract
Some studies have found that donor-recipient killer cell immunoglobulin g-like receptor (KIRs) ligand compatibility or incompatibility influences the prognosis of hematopoietic stem cell transplantation between unrelated individuals, although the conclusions of these studies are controversial. We performed a meta-analysis concerning unrelated donor transplantation with donor-recipient KIRs compatible or incompatible. A higher 5-year overall survival rate (odds ratio [OR] = 1.93, 95% confidence interval [CI] = 1.03 to 3.61, P = .04) was found in KIR-mismatched transplantations; however, no difference was observed in the incidence of grade 2 to 4 acute graft-vs-host disease (OR = 0.94, 95% CI = 0.71 to 1.24, P = .64), 5-year relapse rate (OR = 1.05, CI = 0.75 to 1.47, P = .77), or transplantation/treatment-related mortality (OR = 0.61, CI = 0.15 to 2.51, P = .50). Our meta-analysis confirmed that incompatibility in KIR ligands favors 5-year overall survival rate but has no effect on the incidence of grade 2 to 4 acute graft-vs-host disease, relapse, or transplantation/treatment-related mortality.
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Affiliation(s)
- S Wu
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China
| | - Y J Zeng
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China
| | - C Zhang
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China
| | - T X Deng
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China
| | - Y Q Xu
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China
| | - X Zhang
- Department of Hematology, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China.
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Pang CY, Deng TX, Tang DS, Yang CY, Jiang H, Yang BZ, Liang XW. Cloning and sequencing of the rDNA gene family of the water buffalo (Bubalus bubalis). Genet Mol Res 2012; 11:2878-83. [PMID: 22869068 DOI: 10.4238/2012.july.10.3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The rDNA genes coding for ribosomal RNA in animals are complicated repeat sequences with high GC content. We amplified water buffalo rDNA gene sequences with the long and accurate (LA) PCR method, using LA Taq DNA polymerase and GC buffer, based on bioinformatic analysis of related organisms. The rDNA genes were found to consist of 9016 nucleotides, including three rRNA genes and two internal transcribed spacers (ITS), which we named 18S rRNA, ITS1, 5.8S rRNA, ITS2 and 28S rRNA. We tested and optimized conditions for cloning these complicated rDNA sequences, including specific rules of primer design, improvements in the reaction system, and selection of the DNA polymerase.
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Affiliation(s)
- C Y Pang
- Guangxi Key Laboratory of Buffalo Genetics, Breeding and Reproduction, Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Science, Nanning, P.R. China
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