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Ediriweera TK, Manjula P, Kim J, Kim JH, Nam S, Kim M, Cho E, Bhuiyan MSA, Rashid MA, Lee JH. Identification of new major histocompatibility complex-B Haplotypes in Bangladesh native chickens. Anim Biosci 2024; 37:826-831. [PMID: 38419540 PMCID: PMC11065705 DOI: 10.5713/ab.23.0295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 03/02/2024] Open
Abstract
OBJECTIVE The major histocompatibility complex in chicken demonstrates a great range of variations within varities, breeds, populations and that can eventually influence their immuneresponses. The preset study was conducted to understand the major histocompatibility complex-B (MHC-B) variability in five major populations of Bangladesh native chicken: Aseel, Hilly, Junglefowl, Non-descript Deshi, and Naked Neck. METHODS These five major populations of Bangladesh native chicken were analyzed with a subset of 89 single nucleotide polymorphisms (SNPs) in the high-density MHC-B SNP panel and Kompetitive Allele-Specific polymerase chain reaction genotyping was applied. To explore haplotype diversity within these populations, the results were analyzed both manually and computationally using PHASE 2.1 program. The phylogenetic investigations were also performed using MrBayes program. RESULTS A total of 136 unique haplotypes were identified within these five Bangladesh chicken populations, and only one was shared (between Hilly and Naked Neck). Phylogenetic analysis showed no distinct haplotype clustering among the five populations, although they were shared in distinct clades; notably, the first clade lacked Naked Neck haplotypes. CONCLUSION The present study discovered a set of unique MHC-B haplotypes in Bangladesh chickens that could possibly cause varied immune reponses. However, further investigations are required to evaluate their relationships with global chicken populations.
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Affiliation(s)
| | - Prabuddha Manjula
- Department of Animal Science, Uva Wellassa University, Badulla 90000,
Sri Lanka
| | - Jaewon Kim
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134,
Korea
| | - Jin Hyung Kim
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134,
Korea
| | - Seonju Nam
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134,
Korea
| | - Minjun Kim
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134,
Korea
| | - Eunjin Cho
- Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134,
Korea
| | | | - Md. Abdur Rashid
- Poultry Production Research Division, Bangladesh Livestock Research Institute, Dhaka-1341,
Bangladesh
| | - Jun Heon Lee
- Department of Bio-AI Convergence, Chungnam National University, Daejeon 34134,
Korea
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134,
Korea
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2
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Darrington C, Lin H, Larivière JM, Fulton JE, Zhao X. Discovery of novel MHC-B haplotypes in Chantecler chickens. Poult Sci 2023; 102:102881. [PMID: 37406434 PMCID: PMC10466295 DOI: 10.1016/j.psj.2023.102881] [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] [Received: 04/12/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 07/07/2023] Open
Abstract
The major histocompatibility complex (MHC) is a highly polymorphic cluster of genes which contribute to immune response. Located on chromosome 16, the chicken MHC has great influence over disease resistance and susceptibility. Through the use of a high-density SNP panel which encompasses the MHC-B region, haplotypes can be easily identified. This study aims to use an MHC-B SNP panel to evaluate the MHC-B variability in the Chantecler breed. This breed is native to Quebec, Canada, and is a dual-purpose breed known for its strong resistance to extreme cold temperatures. The Chantecler breed faced a near extinction event in the 1970s, which most likely resulted in a genetic bottleneck and loss of diversity. Despite this, SNP haplotype diversity was observed among 4 Chantecler populations. A total of 8 haplotypes were observed. Of these haplotypes, 6 were previously defined in other breeds, and the other 2 were unique to the Chantecler. Within the populations, the number of haplotypes ranged from 4 to 7, with 3 haplotypes, including the novel BSNP-Chant01, being present in all the groups. This study shows existence of reasonable diversity in the MHC-B region of the Chantecler breed and our results further contribute to understanding the variability of this region in chickens.
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Affiliation(s)
| | | | | | | | - Xin Zhao
- McGill University, Montreal, QC, Canada.
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Xu N, Ye W, Sun C, He K, Zhu Y, Lan H, Lu C, Liu H. Genetic Diversity and Differentiation of MHC Class I Genes in Red-Crowned Crane Populations. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.898581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The red-crowned crane (Grus japonensis) has been demoted to “vulnerable species” because its populations have apparently stabilized in Japan and Korea. Low variation and genetic drift may cause damage to the nascent recovery of the G. japonensis population. The major histocompatibility complex (MHC) is one of the most polymorphic gene families in the vertebrate genome and can reflect information on the adaptive evolution of endangered species. In this study, variations in MHC I exon 3 of captive G. japonensis in China were assessed and compared with those in cranes from Japan. Forty MHC alleles of 274 base pairs were isolated from 32 individuals from two captive populations in China. There was high variability in the nucleotide and amino acid composition, showing the proportion of polymorphic sites of 18.98 and 32.97%, respectively. Comparative analyses of the Chinese and Japanese populations based on 222 base pair sequences revealed more alleles and higher variation in the Chinese population. The lack of significant geographical differentiation of G. japonensis was supported by the genetic differentiation coefficient (0.04506) between the Chinese and Japanese populations. Positive selection of antigen-binding sites was observed, which contributed to maintaining the diversity of MHC class I genes. Phylogenetic analysis suggested the persistence of trans-species polymorphisms among MHC class I genes in Gruidae species. Our results may contribute to optimizing the management of G. japonensis populations and population recovery of this threatened species.
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Carlson KB, Wcisel DJ, Ackerman HD, Romanet J, Christiansen EF, Niemuth JN, Williams C, Breen M, Stoskopf MK, Dornburg A, Yoder JA. Transcriptome annotation reveals minimal immunogenetic diversity among Wyoming toads, Anaxyrus baxteri. CONSERV GENET 2022; 23:669-681. [PMID: 37090205 PMCID: PMC10118071 DOI: 10.1007/s10592-022-01444-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Briefly considered extinct in the wild, the future of the Wyoming toad (Anaxyrus baxteri) continues to rely on captive breeding to supplement the wild population. Given its small natural geographic range and history of rapid population decline at least partly due to fungal disease, investigation of the diversity of key receptor families involved in the host immune response represents an important conservation need. Population decline may have reduced immunogenetic diversity sufficiently to increase the vulnerability of the species to infectious diseases. Here we use comparative transcriptomics to examine the diversity of toll-like receptors and major histocompatibility complex (MHC) sequences across three individual Wyoming toads. We find reduced diversity at MHC genes compared to bufonid species with a similar history of bottleneck events. Our data provide a foundation for future studies that seek to evaluate the genetic diversity of Wyoming toads, identify biomarkers for infectious disease outcomes, and guide breeding strategies to increase genomic variability and wild release successes.
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Affiliation(s)
- Kara B. Carlson
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Dustin J. Wcisel
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Hayley D. Ackerman
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Jessica Romanet
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Emily F. Christiansen
- Environmental Medicine Consortium, North Carolina State University, Raleigh, NC, USA
- Department of Clinical Sciences, North Carolina State University, Raleigh, NC, USA
- North Carolina Aquariums, Raleigh, NC, USA
| | - Jennifer N. Niemuth
- Environmental Medicine Consortium, North Carolina State University, Raleigh, NC, USA
| | - Christina Williams
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Matthew Breen
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
- Comparative Medicine Institute, North Carolina State University, Raleigh, NC, USA
- Center for Human Health and the Environment, North Carolina State University, Raleigh, NC, USA
| | - Michael K. Stoskopf
- Environmental Medicine Consortium, North Carolina State University, Raleigh, NC, USA
- Department of Clinical Sciences, North Carolina State University, Raleigh, NC, USA
| | - Alex Dornburg
- Department of Bioinformatics and Genomics, University of North Carolina at Charlotte, Charlotte, NC USA
| | - Jeffrey A. Yoder
- Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, NC, USA
- Comparative Medicine Institute, North Carolina State University, Raleigh, NC, USA
- Center for Human Health and the Environment, North Carolina State University, Raleigh, NC, USA
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5
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Manjula P, Fulton JE, Seo D, Lee JH. Comparison of major histocompatibility complex-B variability in Sri Lankan indigenous chickens with five global chicken populations using MHC-B SNP panel. Anim Genet 2021; 52:824-833. [PMID: 34523150 DOI: 10.1111/age.13137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2021] [Indexed: 11/29/2022]
Abstract
In the present study, we investigated the major histocompatibility complex (MHC)-B haplotypes diversity of Sri Lankan indigenous chickens from three different geographical sites consisting of highly mixed populations using 90 SNPs in the MHC-B region. A total of 48 haplotypes were identified. Those included 37 novel haplotypes and 11 previously identified 'standard' haplotypes. The MHC-linked marker, LEI0258, had 23 alleles showing less diversity than defined by MHC-B SNP haplotypes. Among those identified haplotypes, five standard haplotypes-BSNP-O02, BSNP-M01, BSNP-A04, BSNP-K03, BSNP-T04-were most commonly observed, suggesting past introgression of imported breeds. Comparison of the MHC-B haplotypes of Sri Lankan and four other global populations with previously defined haplotypes indicated the sharing of 23 standard haplotypes with common origins. Novel haplotypes are population-specific and not shared among the geographical boundaries. Backyard indigenous chickens are unselected, highly crossbred, and generally thrive under dynamic environmental conditions. Hence free-range production systems may be responsible for maintaining high diversity in the MHC-B region with novel haplotypes.
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Affiliation(s)
- P Manjula
- Division of Animal and Dairy Sciences, Chungnam National University, Daejeon, 34134, Korea
| | - J E Fulton
- Hy-Line International, Dallas Center, IA, 50063, USA
| | - D Seo
- Division of Animal and Dairy Sciences, Chungnam National University, Daejeon, 34134, Korea
| | - J H Lee
- Division of Animal and Dairy Sciences, Chungnam National University, Daejeon, 34134, Korea
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6
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Iglesias GM, Beker MP, Remolins JS, Canet ZE, Librera J, Cantaro H, Maizon DO, Fulton JE. MHC-B variation in maternal and paternal synthetic lines of the Argentinian Campero INTA chicken. Poult Sci 2021; 100:101253. [PMID: 34217141 PMCID: PMC8258676 DOI: 10.1016/j.psj.2021.101253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 03/16/2021] [Accepted: 05/03/2021] [Indexed: 11/30/2022] Open
Abstract
The Campero-INTA chicken of Argentina was developed to provide a robust bird that can survive under Argentinian pasture conditions with no significant additional nutrition, producing a source of animal protein for small producers or low-income families. In previous work, we described the AH paternal line of Campero and its Major Histocompatibility Complex B region (MHC-B) variation. In this work we analyzed the three remaining synthetic lines used to produce the Campero-INTA production bird: lines AS, A, and E. Because of the association between variation within the MHC of chickens and disease resistance, MHC variation within this breed is of particular interest. MHC variability within the lines used to produce the Campero-INTA chicken was examined using a 90 SNP panel encompassing the chicken MHC-B region plus the VNTR, LEI0258, located within the chicken MHC. Across all 4lines 12 haplotypes were found, with 7 of these being previously reported in North America/European breeds, reflecting the original breed sources for these birds. Three Campero unique haplotypes were found, 2 of which likely originated from MHC recombination events. MHC-B variation for all lines involved with production of the final Campero-INTA bird has now been determined.
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Affiliation(s)
- Gabriela M Iglesias
- Universidad Nacional de Rio Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Cátedra de Genética, Pacheco 460, Choele Choel, Rio Negro, 8360 Argentina.
| | - María P Beker
- Universidad Nacional de Rio Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Cátedra de Genética, Pacheco 460, Choele Choel, Rio Negro, 8360 Argentina
| | - Jose S Remolins
- Universidad Nacional de Rio Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Cátedra de Genética, Pacheco 460, Choele Choel, Rio Negro, 8360 Argentina
| | - Zulma E Canet
- Universidad Nacional de Rosario, Facultad de Ciencias Veterinarias, Cátedra de Genética, Boulevard Ovidio Lagos y Ruta 33, Casilda. Santa Fe, Argentina; INTA Pergamino, Estación Experimental Agropecuaria "Ing. Agr. Walter Kugler", Av. Frondizi (Ruta 32) Km 4,5. Pergamino, Buenos Aires, Argentina
| | - José Librera
- Universidad Nacional de Rosario, Facultad de Ciencias Veterinarias, Cátedra de Genética, Boulevard Ovidio Lagos y Ruta 33, Casilda. Santa Fe, Argentina
| | - Horacio Cantaro
- Universidad Nacional de Rio Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Cátedra de Genética, Pacheco 460, Choele Choel, Rio Negro, 8360 Argentina; Estación Experimental Agropecuaria Alto Valle, Programa Nacional de Producción Animal, Ruta Nacional 22, Km, 1190 Argentina
| | - Daniel O Maizon
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Anguil, Ruta Nacional 5 Km 580, Anguil, Argentina
| | - Janet E Fulton
- Hy-Line International, P.O. Box 310 Dallas Center, IA 50063, USA
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7
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Manjula P, Fulton JE, Seo D, Lee JH. Major histocompatibility complex B variability in Korean native chicken breeds. Poult Sci 2020; 99:4704-4713. [PMID: 32988505 PMCID: PMC7598131 DOI: 10.1016/j.psj.2020.05.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 05/04/2020] [Accepted: 05/22/2020] [Indexed: 12/01/2022] Open
Abstract
Adaptive genetic variations have direct influences on the fitness traits of the animal. The major histocompatibility complex B (MHC-B) region is responsible for adaptive and innate immune responses in chickens. In native Korean chicken breeds, no information on serologically defined B haplotypes is available. We investigated the MHC-B diversity in 5 restored lines of Korean native chicken and Ogye chicken breeds using a recently described MHC-B single-nucleotide polymorphism (SNP) panel and the MHC-linked LEI0258 variable number of tandem repeat marker. High SNP haplotype diversity was observed in Korean native chicken breeds with an average of 9.7 MHC-B SNP haplotypes per line. The total number of haplotypes ranged from 6 to 12 per line, and population-specific haplotypes ranged from 3 to 4. A total of 41 BSNP haplotypes, including 26 novel population-specific haplotypes and 15 common haplotypes, were reported over all populations. The 15 common haplotypes included 7 novel and 8 previously reported standard haplotypes. Selection and breeding evidence supports the observation of common haplotypes between the Korean native chicken and exotic breeds. Similarly, the LEI0258 marker showed allele variation, between 193 bp and 474 bp having 5 to 8 alleles per population. Some of these alleles (193, 249, 309, and 443 bp) were shared and more frequently observed. Comparison between SNP haplotypes and LEI0258 allele sizes for the same samples showed that some LEI0258 allele sizes correspond to more than one BSNP haplotype. The use of the MHC-B SNP panel greatly enhances the identification of MHC diversity compared with the sole use of the LEI0258 marker in native chicken populations.
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Affiliation(s)
- Prabuddha Manjula
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | | | - Dongwon Seo
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jun Heon Lee
- Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Republic of Korea.
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8
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Manjula P, Bed'Hom B, Hoque MR, Cho S, Seo D, Chazara O, Lee SH, Lee JH. Genetic diversity of MHC-B in 12 chicken populations in Korea revealed by single-nucleotide polymorphisms. Immunogenetics 2020; 72:367-379. [PMID: 32839847 DOI: 10.1007/s00251-020-01176-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/17/2020] [Indexed: 01/07/2023]
Abstract
This study used a single-nucleotide polymorphism (SNP) panel to characterise the diversity in the major histocompatibility complex B region (MHC-B) in 12 chicken populations in Korea. Samples were genotyped for 96 MHC-B SNPs using an Illumina GoldenGate genotyping assay. The MHC-B SNP haplotypes were predicted using 58 informative SNPs and a coalescence-based Bayesian algorithm implemented by the PHASE program and a manual curation process. In total, 117 haplotypes, including 24 shared and 93 unique haplotypes, were identified. The unique haplotype numbers ranged from 0 in Rhode Island Red to 32 in the Korean native commercial chicken population 2 ("Hanhyup-3ho"). Population and haplotype principal component analysis (PCA) indicated no clear population structure based on the MHC haplotypes. Three haplotype clusters (A, B, C) segregated in these populations highlighted the relationship between the haplotypes in each cluster. The sequences from two clusters (B and C) overlapped, whereas the sequences from the third cluster (A) were very different. Overall, native breeds had high genetic diversity in the MHC-B region compared with the commercial breeds. This highlights their immune capabilities and genetic potential for resistance to many different pathogens.
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Affiliation(s)
- Prabuddha Manjula
- Division of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Bertrand Bed'Hom
- GABI, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 75005, Paris, France
| | | | - Sunghyun Cho
- Division of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Dongwon Seo
- Division of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Olympe Chazara
- GABI, INRA, AgroParisTech, Université Paris-Saclay, 78350, Jouy-en-Josas, France
- Department of Pathology and Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
| | - Seung Hwan Lee
- Division of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jun Heon Lee
- Division of Animal and Dairy Science, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 34134, Republic of Korea.
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9
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Tarrant KJ, Lopez R, Loper M, Fulton JE. Assessing MHC-B diversity in Silkie chickens. Poult Sci 2020; 99:2337-2341. [PMID: 32359568 PMCID: PMC7597446 DOI: 10.1016/j.psj.2020.01.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 12/20/2019] [Accepted: 01/01/2020] [Indexed: 11/06/2022] Open
Abstract
The major histocompatibility complex (MHC) is a highly polymorphic region on chromosome 16, which contains numerous immune response genes, and is known to influence disease susceptibility and resistance in chickens. Variability of MHC-B haplotypes in various well-known and commercially utilized breeds has previously been identified. This study aims to understand MHC-B diversity in the Silkie breed using a high-density SNP panel that encompasses the chicken MHC-B region. DNA was obtained from 74 females and 27 males from a commercial Silkie breeder colony that is maintained through minimal genetic selection practices. A previously described panel of 90 SNPs, all located within the MHC-B region, was used to evaluate MHC-B variability in the commercial Silkie breeder colony. MHC-B haplotypes identified from the individual SNP information in the Silkie colony were compared to published haplotypes from the same region. Of the 27 haplotypes identified in the Silkie population, 8 have been previously described. Nineteen haplotypes are unique to the Silkie population and include one novel recombinant and 2 additional possible novel recombinants. Six haplotypes were found at a frequency greater than 5% of the population, of which 4 are novel. Finally, Hardy Weinberg Equilibrium (HWE) was calculated for the observed haplotypes, which were found to be in HWE. This study shows considerable MHC-B diversity in the Silkie breed and adds further information on variability of the MHC-B region in the chicken.
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Affiliation(s)
- Katy J Tarrant
- Department of Animal Sciences and Agricultural Education, California State University Fresno, Fresno 93740, USA.
| | - Rodrigo Lopez
- Department of Animal Sciences and Agricultural Education, California State University Fresno, Fresno 93740, USA
| | | | - Janet E Fulton
- Pitman Family Farms, Sanger, CA 93657, USA; Hy-Line International, Dallas Center, IA 50063, USA
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10
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Brekke C, Groeneveld LF, Meuwissen THE, Sæther N, Weigend S, Berg P. Assessing the genetic diversity conserved in the Norwegian live poultry genebank. ACTA AGR SCAND A-AN 2020. [DOI: 10.1080/09064702.2020.1727560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- C. Brekke
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Norway
- Farm Animal Section, The Nordic Genetic Resource Center, Ås, Norway
| | - L. F. Groeneveld
- Farm Animal Section, The Nordic Genetic Resource Center, Ås, Norway
| | - T. H. E. Meuwissen
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Norway
| | - N. Sæther
- Norwegian Genetic Resource Center, Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - S. Weigend
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Mariensee, Germany
| | - P. Berg
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Norway
- Farm Animal Section, The Nordic Genetic Resource Center, Ås, Norway
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11
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Berres ME, Kantanen J, Honkatukia M, Wolc A, Fulton JE. Heritage Finnish Landrace chickens are genetically diverse and geographically structured. ACTA AGR SCAND A-AN 2020. [DOI: 10.1080/09064702.2020.1727561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- M. E. Berres
- Biotechnology Center, University of Wisconsin, Madison, WI, USA
| | - J. Kantanen
- Natural Resources Institute Finland (Luke), Jokioinen, Finland
| | - M. Honkatukia
- Natural Resources Institute Finland (Luke), Jokioinen, Finland
- Nordic Genetic Resource Centre (NordGen), Ås, Norway
| | - A. Wolc
- Iowa State University, Ames, IA, USA
- Hy-Line International, Dallas Center, IA, USA
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12
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Kierkegaard LS, Groeneveld LF, Kettunen A, Berg P. The status and need for characterization of Nordic animal genetic resources. ACTA AGR SCAND A-AN 2020. [DOI: 10.1080/09064702.2020.1722216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | | | - Anne Kettunen
- Farm Animal Section, NordGen – The Nordic Genetic Resource Center, Ås, Norway
- Nofima AS, Ås, Norway
| | - Peer Berg
- Farm Animal Section, NordGen – The Nordic Genetic Resource Center, Ås, Norway
- Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Norway
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13
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Fulton JE. Advances in methodologies for detecting MHC-B variability in chickens. Poult Sci 2020; 99:1267-1274. [PMID: 32111304 PMCID: PMC7587895 DOI: 10.1016/j.psj.2019.11.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/08/2019] [Accepted: 11/08/2019] [Indexed: 11/19/2022] Open
Abstract
The chicken major histocompatibility B complex (MHC-B) region is of great interest owing to its very strong association with resistance to many diseases. Variation in the MHC-B was initially identified by hemagglutination of red blood cells with specific alloantisera. New technologies, developed to identify variation in biological materials, have been applied to the chicken MHC. Protein variation encoded by the MHC genes was examined by immunoprecipitation and 2-dimensional gel electrophoresis. Increased availability of DNA probes, PCR, and sequencing resulted in the application of DNA-based methods for MHC detection. The chicken reference genome, completed in 2004, allowed further refinements in DNA methods that enabled more rapid examination of MHC variation and extended such analyses to include very diverse chicken populations. This review progresses from the inception of MHC-B identification to the present, describing multiple methods, plus their advantages and disadvantages.
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Affiliation(s)
- J E Fulton
- Research and Development, Hy-Line International, Dallas Center, IA 50063, USA.
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14
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Iglesias GM, Canet ZE, Cantaro H, Miquel MC, Melo JE, Miller MM, Berres ME, Fulton JE. Mhc-B haplotypes in "Campero-Inta" chicken synthetic line. Poult Sci 2020; 98:5281-5286. [PMID: 31376352 DOI: 10.3382/ps/pez431] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 07/12/2019] [Indexed: 12/22/2022] Open
Abstract
The major histocompatibility complex-B (MHC-B) in chickens is a cluster of genes located on chromosome 16. The chicken MHC-B is known to be highly associated with resistance to numerous diseases caused by viruses, bacteria, and parasitic pathogens. Since the level of resistance varies with MHC-B haplotypes, identification and classification of different haplotypes within lines is important for sustaining lines. The "Campero-INTA" chicken breed is a meat-type free-range poultry breed that was developed specifically for small producers in Argentina. Campero-INTA was started by selection in populations produced by crosses between a variety of established lines. MHC-B variation was examined in 65 samples obtained in 2002 using the VNTR marker LEI0258, a marker for MHC-B region. These samples plus and an additional 55 samples from 2018 were examined for variation using the MHC-B specific SNP panel that encompasses ∼230,000 bp of the MHC-B region. Eleven MHC-B SNP haplotypes with 6 LEI0258 alleles were identified in the 120 samples representing the Campero-INTA AH (male) line. Seven haplotypes originate from the breeds originally used in the development of Campero-INTA AH line. Two appear to be recombinant haplotypes. The origin of the remaining 2 is not known, but may be associated with genes introduced from crosses with the Fayoumi breed conducted more recently to sustain the line.
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Affiliation(s)
- Gabriela M Iglesias
- Universidad Nacional de Río Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Area de Genética, Choele Choel, Rio Negro 8360, Argentina
| | - Zulma E Canet
- Cátedra de Genética, Facultad de Ciencias Veterinarias, Universidad Nacional de Rosario, Boulevard Ovidio Lagos y Ruta 33, Casilda, Santa Fe 2170, Argentina.,INTA Pergamino, Estación Experimental Agropecuaria "Ing. Agr. Walter Kugler", Pergamino, Buenos Aires 2700, Argentina
| | - Horacio Cantaro
- Universidad Nacional de Río Negro, Sede Alto Valle y Valle Medio, Escuela de Veterinaria y Producción Agroindustrial, Area de Producción Aves y Pilíferos, Choele Choel, Rio Negro 8360, Argentina.,INTA, Proyecto Nacional de Avicultura (PAVI), Estación Experimental Agropecuaria Alto Valle, Programa Nacional de Producción Animal, Ruta Nacional 22, Argentina
| | - María C Miquel
- Cátedra de Genética, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires 8332, Argentina
| | - Julián E Melo
- Facultad de Ciencias Agrícolas, Universidad Católica Pontificia Argentina (UCA), Buenos Aires, C.A.B.A 1107, Argentina.,Departamento de Tecnología, Universidad Nacional de Luján (UNLu), B6702 Luján, Buenos Aires, Argentina
| | - Marcia M Miller
- Department of Molecular and Cellular Biology, Beckman Research Institute of the City of Hope, Duarte, CA 91010-3000
| | - Mark E Berres
- Biotechnology Center, University of Wisconsin, Madison, WI 53706
| | - Janet E Fulton
- Biotechnology Center, University of Wisconsin, Madison, WI 53706.,Hy-Line International, Dallas Center, IA 50063
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15
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Potts ND, Bichet C, Merat L, Guitton E, Krupa AP, Burke TA, Kennedy LJ, Sorci G, Kaufman J. Development and optimization of a hybridization technique to type the classical class I and class II B genes of the chicken MHC. Immunogenetics 2019; 71:647-663. [PMID: 31761978 PMCID: PMC6900278 DOI: 10.1007/s00251-019-01149-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/17/2019] [Indexed: 01/02/2023]
Abstract
The classical class I and class II molecules of the major histocompatibility complex (MHC) play crucial roles in immune responses to infectious pathogens and vaccines as well as being important for autoimmunity, allergy, cancer and reproduction. These classical MHC genes are the most polymorphic known, with roughly 10,000 alleles in humans. In chickens, the MHC (also known as the BF-BL region) determines decisive resistance and susceptibility to infectious pathogens, but relatively few MHC alleles and haplotypes have been described in any detail. We describe a typing protocol for classical chicken class I (BF) and class II B (BLB) genes based on a hybridization method called reference strand-mediated conformational analysis (RSCA). We optimize the various steps, validate the analysis using well-characterized chicken MHC haplotypes, apply the system to type some experimental lines and discover a new chicken class I allele. This work establishes a basis for typing the MHC genes of chickens worldwide and provides an opportunity to correlate with microsatellite and with single nucleotide polymorphism (SNP) typing for approaches involving imputation.
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Affiliation(s)
- Nicola D Potts
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QP, UK.,LGC Ltd., Newmarket Road, Fordham, Ely, CB7 5WW, UK
| | - Coraline Bichet
- BioGéoSciences, CNRS UMR 5561, Université de Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France.,Institute of Avian Research, An der Vogelwarte 21, 26386, Wilhelmshaven, Germany
| | - Laurence Merat
- Plate-Forme d'Infectiologie Expérimentale (PFIE), UE-1277, INRA Centre Val de Loire, 37380, Nouzilly, France
| | - Edouard Guitton
- Plate-Forme d'Infectiologie Expérimentale (PFIE), UE-1277, INRA Centre Val de Loire, 37380, Nouzilly, France
| | - Andrew P Krupa
- Department of Animal and Plant Sciences, University of Sheffield, Western Bank, S10 2TN, Sheffield, UK
| | - Terry A Burke
- Department of Animal and Plant Sciences, University of Sheffield, Western Bank, S10 2TN, Sheffield, UK
| | - Lorna J Kennedy
- Division of Population Health, Health Services Research & Primary Care, University of Manchester, Oxford Road, M13 9PL, Manchester, UK
| | - Gabriele Sorci
- BioGéoSciences, CNRS UMR 5561, Université de Bourgogne Franche-Comté, 6 Boulevard Gabriel, 21000, Dijon, France
| | - Jim Kaufman
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QP, UK. .,Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, CB3 0ES, UK.
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16
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Malomane DK, Simianer H, Weigend A, Reimer C, Schmitt AO, Weigend S. The SYNBREED chicken diversity panel: a global resource to assess chicken diversity at high genomic resolution. BMC Genomics 2019; 20:345. [PMID: 31064348 PMCID: PMC6505202 DOI: 10.1186/s12864-019-5727-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 04/23/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Since domestication, chickens did not only disperse into the different parts of the world but they have also undergone significant genomic changes in this process. Many breeds, strains or lines have been formed and those represent the diversity of the species. However, other than the natural evolutionary forces, management practices (including those that threaten the persistence of genetic diversity) following domestication have shaped the genetic make-up of and diversity between today's chicken breeds. As part of the SYNBREED project, samples from a wide variety of chicken populations have been collected across the globe and were genotyped with a high density SNP array. The panel consists of the wild type, commercial layers and broilers, indigenous village/local type and fancy chicken breeds. The SYNBREED chicken diversity panel (SCDP) is made available to serve as a public basis to study the genetic structure of chicken diversity. In the current study we analyzed the genetic diversity between and within the populations in the SCDP, which is important for making informed decisions for effective management of farm animal genetic resources. RESULTS Many of the fancy breeds cover a wide spectrum and clustered with other breeds of similar supposed origin as shown by the phylogenetic tree and principal component analysis. However, the fancy breeds as well as the highly selected commercial layer lines have reduced genetic diversity within the population, with the average observed heterozygosity estimates lower than 0.205 across their breeds' categories and the average proportion of polymorphic loci lower than 0.680. We show that there is still a lot of genetic diversity preserved within the wild and less selected African, South American and some local Asian and European breeds with the average observed heterozygosity greater than 0.225 and the average proportion of polymorphic loci larger than 0.720 within their breeds' categories. CONCLUSIONS It is important that such highly diverse breeds are maintained for the sustainability and flexibility of future chicken breeding. This diversity panel provides opportunities for exploitation for further chicken molecular genetic studies. With the possibility to further expand, it constitutes a very useful community resource for chicken genetic diversity research.
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Affiliation(s)
- Dorcus Kholofelo Malomane
- Animal Breeding and Genetics Group, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany.,Center for Integrated Breeding Research, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany
| | - Henner Simianer
- Animal Breeding and Genetics Group, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany.,Center for Integrated Breeding Research, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany
| | - Annett Weigend
- Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, 31535, Neustadt, Germany
| | - Christian Reimer
- Animal Breeding and Genetics Group, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany.,Center for Integrated Breeding Research, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany
| | - Armin Otto Schmitt
- Center for Integrated Breeding Research, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany.,Breeding Informatics Group, Department of Animal Sciences, University of Göttingen, 37075, Göttingen, Germany
| | - Steffen Weigend
- Center for Integrated Breeding Research, Department of Animal Sciences, University of Goettingen, 37075, Goettingen, Germany. .,Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, 31535, Neustadt, Germany.
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17
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Athrey G, Faust N, Hieke ASC, Brisbin IL. Effective population sizes and adaptive genetic variation in a captive bird population. PeerJ 2018; 6:e5803. [PMID: 30356989 PMCID: PMC6196071 DOI: 10.7717/peerj.5803] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 09/21/2018] [Indexed: 12/31/2022] Open
Abstract
Captive populations are considered a key component of ex situ conservation programs. Research on multiple taxa has shown the differential success of maintaining demographic versus genetic stability and viability in captive populations. In typical captive populations, usually founded by few or related individuals, genetic diversity can be lost and inbreeding can accumulate rapidly, calling into question their ultimate utility for release into the wild. Furthermore, domestication selection for survival in captive conditions is another concern. Therefore, it is crucial to understand the dynamics of population sizes, particularly the effective population size, and genetic diversity at non-neutral and adaptive loci in captive populations. In this study, we assessed effective population sizes and genetic variation at both neutral microsatellite markers, as well as SNP variants from the MHC-B locus of a captive Red Junglefowl population. This population represents a rare instance of a population with a well-documented history in captivity, following a realistic scenario of chain-of-custody, unlike many captive lab populations. Our analyses, which included 27 individuals comprising the entirety of one captive population show very low neutral and adaptive genetic variation, as well as low effective sizes, which correspond with the known demographic history. Finally, our study also shows the divergent impacts of small effective size and inbreeding in captive populations on microsatellite versus adaptive genetic variation in the MHC-B locus. Our study provides insights into the difficulties of maintaining adaptive genetic variation in small captive populations.
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Affiliation(s)
- Giridhar Athrey
- Department of Poultry Science, Texas A&M University, College Station, TX, United States of America.,Faculty of Ecology and Evolutionary Biology, Texas A&M University, College Station, TX, United States of America
| | - Nikolas Faust
- Department of Poultry Science, Texas A&M University, College Station, TX, United States of America
| | | | - I Lehr Brisbin
- Savannah River Ecology Lab, Aiken, SC, United States of America
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