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Kevin-Tey WF, Wen WX, Bee PC, Eng HS, Ho KW, Tan SM, Anuar NA, Pung YF, Zain SM. KIR genotype and haplotype frequencies in the multi-ethnic population of Malaysia. Hum Immunol 2023; 84:172-185. [PMID: 36517321 DOI: 10.1016/j.humimm.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 05/30/2022] [Revised: 11/10/2022] [Accepted: 11/24/2022] [Indexed: 12/14/2022]
Abstract
Killer cell immunoglobulin-like receptors (KIR) genotype and haplotype frequencies have been reported to vary distinctly between populations, which in turn contributes to variation in the alloreactivity of natural killer (NK) cells. Utilizing the diverse KIR genes to identify suitable transplant donors would prove challenging in multi-ethnic countries, even more in resource-limited countries where KIR genotyping has not been established. In this study, we determined the KIR genotypes from 124 unrelated Malaysians consisting of the Malays, Chinese, Indians, and aboriginal people through polymerase chain reaction sequence-specific primer (PCR-SSP) genotyping and employing an expectation-maximization (EM) algorithm to assign haplotypes based on pre-established reference haplotypes. A total of 27 distinct KIR haplotypes were discerned with higher frequencies of haplotype A (55.2%) than haplotype B (44.8%). The most frequent haplotypes were cA01:tA01 (55.2%), cB01:tB01 (18.1%), and cB02:tA01 (13.3%), while the least frequent haplotypes were cB03:tB01 (1.2%), cB04:tB03 (0.4%), and cB03:tA01 (0.4%). Several haplotypes were identified to be unique to a specific ethnic group. The genotype with the highest frequency was genotype AB (71.8%), followed by AA (19.4%), and BB (8.9%). The Indians exhibited the lowest genotype AA but the highest genotype BB, whereas genotype BB was absent in the aboriginal people. Despite the limitations, the genotype and haplotypes in the Malaysian population were successfully highlighted. The identification of ethnic-specific KIR genotypes and haplotypes provides the first step to utilizing KIR in identifying suitable transplant donors to further improve the transplant outcome in the Malaysian population.
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Affiliation(s)
- Wen Fei Kevin-Tey
- Department of Pharmacology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Wei Xiong Wen
- Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Ping Chong Bee
- Department of Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Hooi Sian Eng
- Division of Nephrology, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Kim Wah Ho
- Department of Haematology, Hospital Ampang, Kuala Lumpur, Malaysia
| | - Sen Mui Tan
- Department of Haematology, Hospital Ampang, Kuala Lumpur, Malaysia
| | - Nur Adila Anuar
- Department of Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Yuh Fen Pung
- Division of Biomedical Science, University of Nottingham Malaysia, Semenyih, Malaysia
| | - Shamsul Mohd Zain
- Department of Pharmacology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia.
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Legaz I, Bolarín JM, Campillo JA, Moya-Quiles MR, Miras M, Muro M, Minguela A, Álvarez-López MR. Killer Cell Immunoglobulin-like Receptors (KIR) and Human Leucocyte Antigen C (HLA-C) Increase the Risk of Long-Term Chronic Liver Graft Rejection. Int J Mol Sci 2022; 23:ijms232012155. [PMID: 36293011 PMCID: PMC9603177 DOI: 10.3390/ijms232012155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/06/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
Chronic liver rejection (CR) represents a complex clinical situation because many patients do not respond to increased immunosuppression. Killer cell immunoglobulin-like receptors/Class I Human Leukocyte Antigens (KIR/HLA-I) interactions allow for predicting Natural Killer (NK) cell alloreactivity and influence the acute rejection of liver allograft. However, its meaning in CR liver graft remains controversial. KIR and HLA genotypes were studied in 513 liver transplants using sequence-specific oligonucleotides (PCR-SSO) methods. KIRs, human leucocyte antigen C (HLA-C) genotypes, KIR gene mismatches, and the KIR/HLA-ligand were analyzed and compared in overall transplants with CR (n = 35) and no-chronic rejection (NCR = 478). Activating KIR (aKIR) genes in recipients (rKIR2DS2+ and rKIR2DS3+) increased CR compared with NCR groups (p = 0.013 and p = 0.038). The inhibitory KIR (iKIR) genes in recipients rKIR2DL2+ significantly increased the CR rate compared with their absence (9.1% vs. 3.7%, p = 0.020). KIR2DL3 significantly increases CR (13.1% vs. 5.2%; p = 0.008). There was no influence on NCR. CR was observed in HLA-I mismatches (MM). The absence of donor (d) HLA-C2 ligand (dC2−) ligand increases CR concerning their presence (13.1% vs. 5.6%; p = 0.018). A significant increase of CR was observed in rKIR2DL3+/dC1− (p = 0.015), rKIR2DS4/dC1− (p = 0.014) and rKIR2DL3+/rKIR2DS4+/dC1− (p = 0.006). Long-term patient survival was significantly lower in rKIR2DS1+rKIR2DS4+/dC1− at 5–10 years post-transplant. This study shows the influence of rKIR/dHLA-C combinations and aKIR gene-gene mismatches in increasing CR and KIR2DS1+/C1-ligands and the influence of KIR2DS4+/C1-ligands in long-term graft survival.
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Affiliation(s)
- Isabel Legaz
- Department of Legal and Forensic Medicine, Biomedical Research Institute (IMIB), Regional Campus of International Excellence “Campus Mare Nostrum”, Faculty of Medicine, University of Murcia, 30120 Murcia, Spain
- Correspondence: ; Tel.: +34-868883957; Fax: +34-868834307
| | - Jose Miguel Bolarín
- Department of Legal and Forensic Medicine, Biomedical Research Institute (IMIB), Regional Campus of International Excellence “Campus Mare Nostrum”, Faculty of Medicine, University of Murcia, 30120 Murcia, Spain
| | - Jose Antonio Campillo
- Immunology Service, Instituto Murciano de Investigación biosanitaria (IMIB), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
| | - María R. Moya-Quiles
- Immunology Service, Instituto Murciano de Investigación biosanitaria (IMIB), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
| | - Manuel Miras
- Digestive Medicine Service, Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
| | - Manuel Muro
- Immunology Service, Instituto Murciano de Investigación biosanitaria (IMIB), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
| | - Alfredo Minguela
- Immunology Service, Instituto Murciano de Investigación biosanitaria (IMIB), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
| | - María R. Álvarez-López
- Immunology Service, Instituto Murciano de Investigación biosanitaria (IMIB), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Hospital Clínico Universitario Virgen de la Arrixaca (HCUVA), 30120 Murcia, Spain
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Alfaro R, Martínez-Banaclocha H, Llorente S, Jimenez-Coll V, Galián JA, Botella C, Moya-Quiles MR, Parrado A, Muro-Perez M, Minguela A, Legaz I, Muro M. Computational Prediction of Biomarkers, Pathways, and New Target Drugs in the Pathogenesis of Immune-Based Diseases Regarding Kidney Transplantation Rejection. Front Immunol 2022; 12:800968. [PMID: 34975915 PMCID: PMC8714745 DOI: 10.3389/fimmu.2021.800968] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 11/29/2021] [Indexed: 01/04/2023] Open
Abstract
Background The diagnosis of graft rejection in kidney transplantation (KT) patients is made by evaluating the histological characteristics of biopsy samples. The evolution of omics sciences and bioinformatics techniques has contributed to the advancement in searching and predicting biomarkers, pathways, and new target drugs that allow a more precise and less invasive diagnosis. The aim was to search for differentially expressed genes (DEGs) in patients with/without antibody-mediated rejection (AMR) and find essential cells involved in AMR, new target drugs, protein-protein interactions (PPI), and know their functional and biological analysis. Material and Methods Four GEO databases of kidney biopsies of kidney transplantation with/without AMR were analyzed. The infiltrating leukocyte populations in the graft, new target drugs, protein-protein interactions (PPI), functional and biological analysis were studied by different bioinformatics tools. Results Our results show DEGs and the infiltrating leukocyte populations in the graft. There is an increase in the expression of genes related to different stages of the activation of the immune system, antigenic presentation such as antibody-mediated cytotoxicity, or leukocyte migration during AMR. The importance of the IRF/STAT1 pathways of response to IFN in controlling the expression of genes related to humoral rejection. The genes of this biological pathway were postulated as potential therapeutic targets and biomarkers of AMR. These biological processes correlated showed the infiltration of NK cells and monocytes towards the allograft. Besides the increase in dendritic cell maturation, it plays a central role in mediating the damage suffered by the graft during AMR. Computational approaches to the search for new therapeutic uses of approved target drugs also showed that imatinib might theoretically be helpful in KT for the prevention and/or treatment of AMR. Conclusion Our results suggest the importance of the IRF/STAT1 pathways in humoral kidney rejection. NK cells and monocytes in graft damage have an essential role during rejection, and imatinib improves KT outcomes. Our results will have to be validated for the potential use of overexpressed genes as rejection biomarkers that can be used as diagnostic and prognostic markers and as therapeutic targets to avoid graft rejection in patients undergoing kidney transplantation.
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Affiliation(s)
- Rafael Alfaro
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Helios Martínez-Banaclocha
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Santiago Llorente
- Nephrology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Victor Jimenez-Coll
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - José Antonio Galián
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Carmen Botella
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - María Rosa Moya-Quiles
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Antonio Parrado
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Manuel Muro-Perez
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Alfredo Minguela
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Isabel Legaz
- Department of Legal and Forensic Medicine, Biomedical Research Institute (IMIB), University of Murcia, Murcia, Spain
| | - Manuel Muro
- Immunology Services, University Clinical Hospital Virgen de la Arrixaca-Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
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Auer ED, Tong HV, Amorim LM, Malheiros D, Hoan NX, Issler HC, Petzl-Erler ML, Beltrame MH, Boldt ABW, Toan NL, Song LH, Velavan TP, Augusto DG. Natural killer cell receptor variants and chronic hepatitis B virus infection in the Vietnamese population. Int J Infect Dis 2020; 96:541-547. [PMID: 32422377 DOI: 10.1016/j.ijid.2020.05.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 03/26/2020] [Revised: 05/05/2020] [Accepted: 05/07/2020] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES Genes of host immunity play an important role in disease pathogenesis and are determinants of clinical courses of infections, including hepatitis B virus (HBV). Killer-cell immunoglobulin-like receptor (KIR), expressed on the surface of natural killer cells (NK), regulate NK cell cytotoxicity by interacting with human leukocyte antigen (HLA) class I molecules and are candidates for influencing the course of HBV. This study evaluated whether variations in KIR gene content and HLA-C ligands are associated with HBV and with the development of liver cirrhosis and hepatocellular carcinoma. METHODS A Vietnamese study cohort (HBV n = 511; controls n = 140) was genotyped using multiplex sequence-specific polymerase chain reaction (PCR-SSP) followed by melting curve analysis. RESULTS The presence of the functional allelic group of KIR2DS4 was associated with an increased risk of chronic HBV (OR = 1.86, pcorr = 0.02), while KIR2DL2+HLA-C1 (OR = 0.62, pcorr = 0.04) and KIR2DL3+HLA-C1 (OR = 0.48, pcorr = 0.04) were associated with a decreased risk. The pair KIR2DL3+HLA-C1 was associated with liver cirrhosis (OR = 0.40, pcorr = 0.01). The presence of five or more activating KIR variants was associated with hepatocellular carcinoma (OR = 0.53, pcorr = 0.04). CONCLUSIONS KIR gene content variation and combinations KIR-HLA influence the outcome of HBV infection.
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Affiliation(s)
- Eduardo Delabio Auer
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Hoang Van Tong
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany; Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Viet Nam; Vietnamese German Center for Medical Research (VGCARE), Hanoi, Viet Nam
| | - Leonardo Maldaner Amorim
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Danielle Malheiros
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Nghiem Xuan Hoan
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany; Vietnamese German Center for Medical Research (VGCARE), Hanoi, Viet Nam; Institute of Clinical Infectious Diseases, Hanoi, Viet Nam
| | - Hellen Caroline Issler
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Maria Luiza Petzl-Erler
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Márcia Holsbach Beltrame
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Angelica Beate Winter Boldt
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil
| | - Nguyen Linh Toan
- Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Viet Nam; Vietnamese German Center for Medical Research (VGCARE), Hanoi, Viet Nam
| | - Le Huu Song
- Vietnamese German Center for Medical Research (VGCARE), Hanoi, Viet Nam; Institute of Clinical Infectious Diseases, Hanoi, Viet Nam
| | - Thirumalaisamy P Velavan
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany; Vietnamese German Center for Medical Research (VGCARE), Hanoi, Viet Nam; Faculty of Medicine, Duy Tan University, Da Nang, Viet Nam.
| | - Danillo G Augusto
- Programa de Pós-Graduação em Genética, Departamento de Genética, Universidade Federal do Paraná (UFPR), Curitiba, Brazil.
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Amorim LM, Santos THS, Hollenbach JA, Norman PJ, Marin WM, Dandekar R, Ribeiro EMSF, Petzl-Erler ML, Augusto DG. Cost-effective and fast KIR gene-content genotyping by multiplex melting curve analysis. HLA 2019; 92:384-391. [PMID: 30468002 DOI: 10.1111/tan.13430] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/05/2018] [Accepted: 11/20/2018] [Indexed: 12/14/2022]
Abstract
Killer cell immunoglobulin-like receptor (KIR) genes encode cell surface molecules that recognize HLA molecules and modulate the activity of natural killer (NK) cells. KIR genes exhibit presence and absence polymorphism, which generates a variety of gene-content haplotypes in worldwide populations. KIR gene-content variation is implicated in many diseases and is also important for placentation and transplantation. Because of the complexity of KIR polymorphism, variation in this family is still mostly studied at the gene-content level, even with the advent of next-generation sequencing (NGS) methods. Gene-content determination is generally expensive and/or time-consuming. To overcome these difficulties, we developed a method based on multiplex polymerase chain reaction with specific sequence primers (PCR-SSP) followed by melting curve analysis that allows cost-effective, precise and fast generation of results. Our method was 100% concordant with a gel-based method and 99.9% concordant with presence and absence determination by NGS. The limit of detection for accurate typing was 30 ng of DNA (0.42 μM) with 260/230 and 260/280 ratios as low as 0.19 and of 0.44. In addition, we developed a user-friendly Java-based computational application called killerPeak that interprets the raw data generated by Viia7 or QuantStudio 7 quantitative PCR machines and reliably exports the final genotyping results in spreadsheet file format. The combination of a reliable method that requires low amount of DNA with an automated interpretation of results allows scaling the KIR genotyping in large cohorts with reduced turnaround time.
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Affiliation(s)
- Leonardo M Amorim
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Tiago H S Santos
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Jill A Hollenbach
- Department of Neurology, University of California San Francisco, San Francisco, California
| | - Paul J Norman
- Division of Biomedical Informatics and Personalized Medicine, and Department of Immunology, University of Colorado, Denver
| | - Wesley M Marin
- Department of Neurology, University of California San Francisco, San Francisco, California
| | - Ravi Dandekar
- Department of Neurology, University of California San Francisco, San Francisco, California
| | - Enilze M S F Ribeiro
- Laboratório de Citogenética Humana e Oncogenética, Universidade Federal do Paraná, Curitiba, Brazil
| | - Maria L Petzl-Erler
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil
| | - Danillo G Augusto
- Laboratório de Genética Molecular Humana, Universidade Federal do Paraná, Curitiba, Brazil.,Department of Neurology, University of California San Francisco, San Francisco, California.,Setor de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
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Issler HC, Amorim LM, Petzl-Erler ML, Carvalho LDD, Bezerra HD, Fagundes Júnior J, Gadelha SR, Augusto DG. Southern Bahia, Brazil: KIR gene-content distribution in the highly admixed population from Ilhéus. Hum Immunol 2018; 79:823-824. [PMID: 30253195 DOI: 10.1016/j.humimm.2018.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 09/12/2018] [Accepted: 09/21/2018] [Indexed: 11/30/2022]
Abstract
We here describe the KIR gene-content genotypes in the highly admixed population from Ilhéus, a city located in Bahia State, Northeast Brazil. Bahia is the State with the largest contribution of African ethnicity in comparison to other Brazilian areas and this is the first report of a population from this region. A total of 32 KIR gene-content genotypes have been found, from which 18 were observed in single individuals. The distinct KIR gene-content distribution observed in Ilhéus, along with the elevated diversity of genotypes point to importance of describing KIR polymorphism in unique populations from Brazil.
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Affiliation(s)
| | | | | | | | - Hadany Dorea Bezerra
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Jomar Fagundes Júnior
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Sandra Rocha Gadelha
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil.
| | - Danillo G Augusto
- Departamento de Genética, Universidade Federal do Paraná, Curitiba, Brazil; Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Brazil.
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