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Karasev ES, Hosid SL, Aksenova TS, Onishchuk OP, Kurchak ON, Dzyubenko NI, Andronov EE, Provorov NA. Impacts of Natural Selection on Evolution of Core and Symbiotically Specialized ( sym) Genes in the Polytypic Species Neorhizobium galegae. Int J Mol Sci 2023; 24:16696. [PMID: 38069024 PMCID: PMC10706768 DOI: 10.3390/ijms242316696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Nodule bacteria (rhizobia) represent a suitable model to address a range of fundamental genetic problems, including the impacts of natural selection on the evolution of symbiotic microorganisms. Rhizobia possess multipartite genomes in which symbiotically specialized (sym) genes differ from core genes in their natural histories. Diversification of sym genes is responsible for rhizobia microevolution, which depends on host-induced natural selection. By contrast, diversification of core genes is responsible for rhizobia speciation, which occurs under the impacts of still unknown selective factors. In this paper, we demonstrate that in goat's rue rhizobia (Neorhizobium galegae) populations collected at North Caucasus, representing two host-specific biovars orientalis and officianalis (N2-fixing symbionts of Galega orientalis and G. officinalis), the evolutionary mechanisms are different for core and sym genes. In both N. galegae biovars, core genes are more polymorphic than sym genes. In bv. orientalis, the evolution of core genes occurs under the impacts of driving selection (dN/dS > 1), while the evolution of sym genes is close to neutral (dN/dS ≈ 1). In bv. officinalis, the evolution of core genes is neutral, while for sym genes, it is dependent on purifying selection (dN/dS < 1). A marked phylogenetic congruence of core and sym genes revealed using ANI analysis may be due to a low intensity of gene transfer within and between N. galegae biovars. Polymorphism in both gene groups and the impacts of driving selection on core gene evolution are more pronounced in bv. orientalis than in bv. officianalis, reflecting the diversities of their respective host plant species. In bv. orientalis, a highly significant (P0 < 0.001) positive correlation is revealed between the p-distance and dN/dS values for core genes, while in bv. officinalis, this correlation is of low significance (0.05 < P0 < 0.10). For sym genes, the correlation between p-distance and dN/dS values is negative in bv. officinalis but is not revealed in bv. orientalis. These data, along with the functional annotation of core genes implemented using Gene Ontology tools, suggest that the evolution of bv. officinalis is based mostly on adaptation for in planta niches while in bv. orientalis, evolution presumably depends on adaptation for soil niches. New insights into the tradeoff between natural selection and genetic diversity are presented, suggesting that gene nucleotide polymorphism may be extended by driving selection only in ecologically versatile organisms capable of supporting a broad spectrum of gene alleles in their gene pools.
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Affiliation(s)
- Evgeny S. Karasev
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
| | - Sergey L. Hosid
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
| | - Tatiana S. Aksenova
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
| | - Olga P. Onishchuk
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
| | - Oksana N. Kurchak
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
| | - Nikolay I. Dzyubenko
- All-Russia Research Institute of Plant Genetic Resources, 190031 St. Petersburg, Russia;
| | - Evgeny E. Andronov
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
- Dokuchaev Soil Science Institute, 119017 Moscow, Russia
| | - Nikolay A. Provorov
- All-Russia Research Institute for Agricultural Microbiology, 196608 St. Petersburg, Russia; (E.S.K.); (S.L.H.); (T.S.A.); (O.P.O.); (O.N.K.); (N.A.P.)
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Luo Y, Tan L, Zhang H, Bi W, Zhao L, Wang X, Lu X, Xu X, Sun R, Alvarez PJJ. Characteristics of Wild Bird Resistomes and Dissemination of Antibiotic Resistance Genes in Interconnected Bird-Habitat Systems Revealed by Similarity of blaTEM Polymorphic Sequences. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:15084-15095. [PMID: 35700319 DOI: 10.1021/acs.est.2c01633] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Wild birds are known to harbor and discharge antibiotic-resistant bacteria (ARB) and their associated antibiotic resistance genes (ARGs). However, assessments of their contribution to the dissemination of antibiotic resistance in the environment are limited to culture-dependent bacterial snapshots. Here, we present a high-throughput sequencing study that corroborates extensive ARG exchange between wild bird feces and their habitats and implies the need to scrutinize high-mobility birds as potential vectors for global propagation of ARGs. We characterized the resistome (281 ARGs) and microbiome of seven wild bird species and their terrestrial and aquatic habitats. The resistomes of bird feces were influenced by the microbial community structure, mobile genetic elements (MGEs), and residual antibiotics. We designated 33 ARGs found in more than 90% of the bird fecal samples as core ARGs of wild bird feces, among which 16 ARGs were shared as core ARGs in both wild bird feces and their habitats; these genes represent a large proportion of both the bird feces (35.0 ± 15.9%) and the environmental resistome (29.9 ± 21.4%). One of the most detected β-lactam resistance genes (blaTEM, commonly harbored by multidrug resistant "superbugs") was used as molecular marker to demonstrate the high interconnectivity of ARGs between the microbiomes of wild birds and their habitats. Overall, this work provides a comprehensive analysis of the wild bird resistome and underscores the importance to consider genetic exchange between animals and the environment in the One Health approach.
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Affiliation(s)
- Yi Luo
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, China
| | - Lu Tan
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Hanhui Zhang
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Wenjing Bi
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Lin Zhao
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Xiaolong Wang
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Xueqiang Lu
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Ximing Xu
- Key Laboratory for Medical Data Analysis and Statistical Research of Tianjin School of Statistics and Data Science, Nankai University, Tianjin 300071, China
| | - Ruonan Sun
- Dept of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
| | - Pedro J J Alvarez
- Dept of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
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Hande SH, Krishna SM, Sahote KK, Dev N, Erl TP, Ramakrishna K, Ravidhran R, Das R. Population genetic variation of SLC6A4 gene, associated with neurophysiological development. J Genet 2021. [DOI: 10.1007/s12041-021-01266-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Sato DX, Kawata M. Positive and balancing selection on SLC18A1 gene associated with psychiatric disorders and human-unique personality traits. Evol Lett 2018; 2:499-510. [PMID: 30283697 PMCID: PMC6145502 DOI: 10.1002/evl3.81] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/07/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022] Open
Abstract
Maintenance of genetic variants susceptible to psychiatric disorders is one of the intriguing evolutionary enigmas. The present study detects three psychiatric disorder‐relevant genes (CLSTN2, FAT1, and SLC18A1) that have been under positive selection during the human evolution. In particular, SLC18A1 (vesicular monoamine transporter 1; VMAT1) gene has a human‐unique variant (rs1390938, Thr136Ile), which is associated with bipolar disorders and/or the anxiety‐related personality traits. 136Ile shows relatively high (20–61%) frequency in non‐African populations, and Tajima's D reports a significant peak around the Thr136Ile site, suggesting that this polymorphism has been positively maintained by balancing selection in non‐African populations. Moreover, Coalescent simulations predict that 136Ile originated around 100,000 years ago, the time being generally associated with the Out‐of‐Africa migration of modern humans. Our study sheds new light on a gene in monoamine pathway as a strong candidate contributing to human‐unique psychological traits.
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Affiliation(s)
- Daiki X Sato
- Graduate School of Life Sciences, Tohoku University Sendai 980-8578 Japan
| | - Masakado Kawata
- Graduate School of Life Sciences, Tohoku University Sendai 980-8578 Japan
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Keller MC. Evolutionary Perspectives on Genetic and Environmental Risk Factors for Psychiatric Disorders. Annu Rev Clin Psychol 2018; 14:471-493. [DOI: 10.1146/annurev-clinpsy-050817-084854] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Matthew C. Keller
- Department of Psychology and Neuroscience and the Institute for Behavioral Genetics, University of Colorado at Boulder, Boulder, Colorado 80309, USA
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Zhao ZM, Campbell MC, Li N, Lee DSW, Zhang Z, Townsend JP. Detection of Regional Variation in Selection Intensity within Protein-Coding Genes Using DNA Sequence Polymorphism and Divergence. Mol Biol Evol 2018; 34:3006-3022. [PMID: 28962009 DOI: 10.1093/molbev/msx213] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Numerous approaches have been developed to infer natural selection based on the comparison of polymorphism within species and divergence between species. These methods are especially powerful for the detection of uniform selection operating across a gene. However, empirical analyses have demonstrated that regions of protein-coding genes exhibiting clusters of amino acid substitutions are subject to different levels of selection relative to other regions of the same gene. To quantify this heterogeneity of selection within coding sequences, we developed Model Averaged Site Selection via Poisson Random Field (MASS-PRF). MASS-PRF identifies an ensemble of intragenic clustering models for polymorphic and divergent sites. This ensemble of models is used within the Poisson Random Field framework to estimate selection intensity on a site-by-site basis. Using simulations, we demonstrate that MASS-PRF has high power to detect clusters of amino acid variants in small genic regions, can reliably estimate the probability of a variant occurring at each nucleotide site in sequence data and is robust to historical demographic trends and recombination. We applied MASS-PRF to human gene polymorphism derived from the 1,000 Genomes Project and divergence data from the common chimpanzee. On the basis of this analysis, we discovered striking regional variation in selection intensity, indicative of positive or negative selection, in well-defined domains of genes that have previously been associated with neurological processing, immunity, and reproduction. We suggest that amino acid-altering substitutions within these regions likely are or have been selectively advantageous in the human lineage, playing important roles in protein function.
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Affiliation(s)
- Zi-Ming Zhao
- Department of Biostatistics, Yale University, New Haven, CT
| | - Michael C Campbell
- Department of Biostatistics, Yale University, New Haven, CT.,Department of Biology, Howard University, Washington, DC
| | - Ning Li
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT
| | - Daniel S W Lee
- Department of Biostatistics, Yale University, New Haven, CT
| | - Zhang Zhang
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, China
| | - Jeffrey P Townsend
- Department of Biostatistics, Yale University, New Haven, CT.,Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT.,Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT
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Ijichi S, Ijichi N, Ijichi Y, Imamura C, Sameshima H, Kawaike Y, Morioka H. The origin of human complex diversity: Stochastic epistatic modules and the intrinsic compatibility between distributional robustness and phenotypic changeability. J Integr Neurosci 2018. [DOI: 10.3233/jin-170034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Shinji Ijichi
- Health Service Center, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-8580, Japan
- Institute for Externalization of Gifts and Talents, 7421-1 Shimofukumoto, Kagoshima 891-0144, Japan
| | - Naomi Ijichi
- Institute for Externalization of Gifts and Talents, 7421-1 Shimofukumoto, Kagoshima 891-0144, Japan
| | - Yukina Ijichi
- Institute for Externalization of Gifts and Talents, 7421-1 Shimofukumoto, Kagoshima 891-0144, Japan
| | - Chikako Imamura
- Support Center for Students with Disabilities, Kagoshima University, 1-21-30 Korimoto, Kagoshima 890-0065, Japan
| | - Hisami Sameshima
- Health Service Center, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-8580, Japan
| | - Yoichi Kawaike
- Health Service Center, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-8580, Japan
| | - Hirofumi Morioka
- Health Service Center, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-8580, Japan
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Viscardi LH, Paixão-Côrtes VR, Comas D, Salzano FM, Rovaris D, Bau CD, Amorim CEG, Bortolini MC. Searching for ancient balanced polymorphisms shared between Neanderthals and Modern Humans. Genet Mol Biol 2018; 41:67-81. [PMID: 29658973 PMCID: PMC5901502 DOI: 10.1590/1678-4685-gmb-2017-0308] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 11/26/2017] [Indexed: 01/06/2023] Open
Abstract
Hominin evolution is characterized by adaptive solutions often rooted in behavioral and cognitive changes. If balancing selection had an important and long-lasting impact on the evolution of these traits, it can be hypothesized that genes associated with them should carry an excess of shared polymorphisms (trans- SNPs) across recent Homo species. In this study, we investigate the role of balancing selection in human evolution using available exomes from modern (Homo sapiens) and archaic humans (H. neanderthalensis and Denisovan) for an excess of trans-SNP in two gene sets: one associated with the immune system (IMMS) and another one with behavioral system (BEHS). We identified a significant excess of trans-SNPs in IMMS (N=547), of which six of these located within genes previously associated with schizophrenia. No excess of trans-SNPs was found in BEHS, but five genes in this system harbor potential signals for balancing selection and are associated with psychiatric or neurodevelopmental disorders. Our approach evidenced recent Homo trans-SNPs that have been previously implicated in psychiatric diseases such as schizophrenia, suggesting that a genetic repertoire common to the immune and behavioral systems could have been maintained by balancing selection starting before the split between archaic and modern humans.
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Affiliation(s)
- Lucas Henriques Viscardi
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - David Comas
- Institut de Biologia Evolutiva (CSIC-UPF), Departament de Ciències Experimentals i de LaSalut, Universitat Pompeu Fabra, Barcelona, Spain
| | - Francisco Mauro Salzano
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Diego Rovaris
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Claiton Dotto Bau
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carlos Eduardo G. Amorim
- Department of Biological Sciences, Columbia University, New York, NY, U.S.A
- Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY, U.S.A
| | - Maria Cátira Bortolini
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Say YH. The association of insertions/deletions (INDELs) and variable number tandem repeats (VNTRs) with obesity and its related traits and complications. J Physiol Anthropol 2017; 36:25. [PMID: 28615046 PMCID: PMC5471687 DOI: 10.1186/s40101-017-0142-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 06/01/2017] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Despite the fact that insertions/deletions (INDELs) are the second most common type of genetic variations and variable number tandem repeats (VNTRs) represent a large portion of the human genome, they have received far less attention than single nucleotide polymorphisms (SNPs) and larger forms of structural variation like copy number variations (CNVs), especially in genome-wide association studies (GWAS) of complex diseases like polygenic obesity. This is exemplified by the vast amount of review papers on the role of SNPs and CNVs in obesity, its related traits (like anthropometric measurements, biochemical variables, and eating behavior), and its related complications (like hypertension, hypertriglyceridemia, hypercholesterolemia, and insulin resistance-collectively known as metabolic syndrome). Hence, this paper reviews the types of INDELs and VNTRs that have been studied for association with obesity and its related traits and complications. These INDELs and VNTRs could be found in the obesity loci or genes from the earliest GWAS and candidate gene association studies, like FTO, genes in the leptin-proopiomelanocortin pathway, and UCP2/3. Given the important role of the brain serotonergic and dopaminergic reward system in obesity susceptibility, the association of INDELs and VNTRs in these neurotransmitters' metabolism and transport genes with obesity is also reviewed. Next, the role of INS VNTR in obesity and its related traits is questionable, since recent large-scale studies failed to replicate the earlier positive associations. As obesity results in chronic low-grade inflammation of the adipose tissue, the proinflammatory cytokine gene IL1RA and anti-inflammatory cytokine gene IL4 have VNTRs that are implicated in obesity. A systemic proinflammatory state in combination with activation of the renin-angiotensin system and decreased nitric oxide bioavailability as found in obesity leads to endothelial dysfunction. This explains why VNTR and INDEL in eNOS and ACE, respectively, could be predisposing factors of obesity. Finally, two novel genes, DOCK5 and PER3, which are involved in the regulation of the Akt/MAPK pathway and circadian rhythm, respectively, have VNTRs and INDEL that might be associated with obesity. SHORT CONCLUSION In conclusion, INDELs and VNTRs could have important functional consequences in the pathophysiology of obesity, and research on them should be continued to facilitate obesity prediction, prevention, and treatment.
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Affiliation(s)
- Yee-How Say
- Department of Biomedical Science, Faculty of Science, Universiti Tunku Abdul Rahman (UTAR) Kampar Campus, Jalan Universiti, Bandar Barat, 31900, Kampar, Perak, Malaysia.
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