Genomics & informatics最新文献

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Presentation of potential genes and deleterious variants associated with non-syndromic hearing loss: a computational approach 与非综合征性听力损失相关的潜在基因和有害变体的呈现:一种计算方法
Genomics & informatics Pub Date : 2022-03-01 DOI: 10.5808/gi.21070
Manisha Ray, S. Rath, S. Sarkar, M. Sable
{"title":"Presentation of potential genes and deleterious variants associated with non-syndromic hearing loss: a computational approach","authors":"Manisha Ray, S. Rath, S. Sarkar, M. Sable","doi":"10.5808/gi.21070","DOIUrl":"https://doi.org/10.5808/gi.21070","url":null,"abstract":"Non-syndromic hearing loss (NSHL) is a common hereditary disorder. Both clinical and genetic heterogeneity has created many obstacles to understanding the causes of NSHL. The present study has attempted to ravel the genetic aetiology in NSHL progression and to screen out potential target genes using computational approaches. The reported NSHL target genes (2009‒2020) have been studied by analyzing different biochemical and signaling pathways, interpretation of their functional association network, and discovery of important regulatory interactions with three previously established miRNAs in the human inner ear as well as in NSHL such as miR-183, miR-182, and miR-96. This study has identified SMAD4 and SNAI2 as the most putative target genes of NSHL. But pathogenic and deleterious non-synonymous single nucleotide polymorphisms discovered within SMAD4 is anticipated to have an impact on NSHL progression. Additionally, the identified deleterious variants in the functional domains of SMAD4 added a supportive clue for further study. Thus, the identified deleterious variant i.e., rs377767367 (G491V) in SMAD4 needs further clinical validation. The present outcomes would provide insights into the genetics of NSHL progression.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46711857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Whole-genome sequence analysis through online web interfaces: a review 通过在线网络界面进行全基因组序列分析:综述
Genomics & informatics Pub Date : 2022-03-01 DOI: 10.5808/gi.20038
A. Gunasekara, L. Rajapaksha, T. Tung
{"title":"Whole-genome sequence analysis through online web interfaces: a review","authors":"A. Gunasekara, L. Rajapaksha, T. Tung","doi":"10.5808/gi.20038","DOIUrl":"https://doi.org/10.5808/gi.20038","url":null,"abstract":"The recent development of whole-genome sequencing technologies paved the way for understanding the genomes of microorganisms. Every whole-genome sequencing (WGS) project requires a considerable cost and a massive effort to address the questions at hand. The final step of WGS is data analysis. The analysis of whole-genome sequence is dependent on highly sophisticated bioinformatics tools that the research personal have to buy. However, many laboratories and research institutions do not have the bioinformatics capabilities to analyze the genomic data and therefore, are unable to take maximum advantage of whole-genome sequencing. In this aspect, this study provides a guide for research personals on a set of bioinformatics tools available online that can be used to analyze whole-genome sequence data of bacterial genomes. The web interfaces described here have many advantages and, in most cases exempting the need for costly analysis tools and intensive computing resources.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48200666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Bayesian mixed models for longitudinal genetic data: theory, concepts, and simulation studies 纵向遗传数据的贝叶斯混合模型:理论、概念和模拟研究
Genomics & informatics Pub Date : 2022-03-01 DOI: 10.5808/gi.21080
Wonil Chung, Youngkwan Cho
{"title":"Bayesian mixed models for longitudinal genetic data: theory, concepts, and simulation studies","authors":"Wonil Chung, Youngkwan Cho","doi":"10.5808/gi.21080","DOIUrl":"https://doi.org/10.5808/gi.21080","url":null,"abstract":"Despite the success of recent genome-wide association studies investigating longitudinal traits, a large fraction of overall heritability remains unexplained. This suggests that some of the missing heritability may be accounted for by gene-gene and gene-time/environment interactions. In this paper, we develop a Bayesian variable selection method for longitudinal genetic data based on mixed models. The method jointly models the main effects and interactions of all candidate genetic variants and non-genetic factors and has higher statistical power than previous approaches. To account for the within-subject dependence structure, we propose a grid-based approach that models only one fixed-dimensional covariance matrix, which is thus applicable to data where subjects have different numbers of time points. We provide the theoretical basis of our Bayesian method and then illustrate its performance using data from the 1000 Genome Project with various simulation settings. Several simulation studies show that our multivariate method increases the statistical power compared to the corresponding univariate method and can detect gene-time/environment interactions well. We further evaluate our method with different numbers of individuals, variants, and causal variants, as well as different trait-heritability, and conclude that our method performs reasonably well with various simulation settings.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41453021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
TcellInflamedDetector: an R package to distinguish T cell inflamed tumor types from non–T cell inflamed tumor types TcellInflamedDetector:一个R包,用于区分T细胞炎症肿瘤类型和非T细胞炎症肿瘤类型
Genomics & informatics Pub Date : 2022-03-01 DOI: 10.5808/gi.22005
San-Duk Yang, Hyun-Seok Park
{"title":"TcellInflamedDetector: an R package to distinguish T cell inflamed tumor types from non–T cell inflamed tumor types","authors":"San-Duk Yang, Hyun-Seok Park","doi":"10.5808/gi.22005","DOIUrl":"https://doi.org/10.5808/gi.22005","url":null,"abstract":"A major issue in the use of immune checkpoint inhibitors is their lack of efficacy in many patients. Previous studies have reported that the T cell inflamed signature can help predict the response to immunotherapy. Thus, many studies have investigated mechanisms of immunotherapy resistance by defining the tumor microenvironment based on T cell inflamed and non–T cell inflamed subsets. Although methods of calculating T cell inflamed subsets have been developed, valid screening tools for distinguishing T cell inflamed from non–T cell inflamed subsets using gene expression data are still needed, since general researchers who are unfamiliar with the details of the equations can experience difficulties using extant scoring formulas to conduct analyses. Thus, we introduce TcellInflamedDetector, an R package for distinguishing T cell inflamed from non–T cell inflamed samples using cancer gene expression data via bulk RNA sequencing.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45472943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hypothetical protein predicted to be tumor suppressor: a protein functional analysis 预测为肿瘤抑制因子的假设蛋白质:蛋白质功能分析
Genomics & informatics Pub Date : 2021-06-18 DOI: 10.21203/rs.3.rs-602073/v1
M. Kader, Akash Ahammed, Md. Sharif Khan, Sheikh Abdullah Al Ashik, M. Islam, Mohammad Uzzal Hossain
{"title":"Hypothetical protein predicted to be tumor suppressor: a protein functional analysis","authors":"M. Kader, Akash Ahammed, Md. Sharif Khan, Sheikh Abdullah Al Ashik, M. Islam, Mohammad Uzzal Hossain","doi":"10.21203/rs.3.rs-602073/v1","DOIUrl":"https://doi.org/10.21203/rs.3.rs-602073/v1","url":null,"abstract":"Litorilituus sediminis is a Gram-negative, aerobic, novel bacterium under the family of Colwelliaceae, has a stunning hypothetical protein containing domain called von Hippel-Lindau that has significant tumor suppressor activity. Therefore, this study was designed to elucidate the structure and function of the biologically important hypothetical protein EMK97_00595 (QBG34344.1) using several bioinformatics tools. The functional annotation exposed that the hypothetical protein is an extracellular secretory soluble signal peptide and contains the von Hippel-Lindau (VHL; VHL beta) domain that has a significant role in tumor suppression. This domain is conserved throughout evolution, as its homologs are available in various types of the organism like mammals, insects, and nematode. The gene product of VHL has a critical regulatory activity in the ubiquitous oxygen-sensing pathway. This domain has a significant role in inhibiting cell proliferation, angiogenesis progression, kidney cancer, breast cancer, and colon cancer. At last, the current study depicts that the annotated hypothetical protein is linked with tumor suppressor activity which might be of great interest to future research in the higher organism.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48638779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation-based and feature-driven mutation signature analyses to identify genetic features associated with DNA mutagenic processes in cancer genomes 基于相关性和特征驱动的突变特征分析,以确定与癌症基因组中DNA诱变过程相关的遗传特征
Genomics & informatics Pub Date : 2020-01-06 DOI: 10.1101/2020.01.06.895698
H. Jeong, Jinseon Yoo, Hyunwoo J. Kim, Tae-Min Kim
{"title":"Correlation-based and feature-driven mutation signature analyses to identify genetic features associated with DNA mutagenic processes in cancer genomes","authors":"H. Jeong, Jinseon Yoo, Hyunwoo J. Kim, Tae-Min Kim","doi":"10.1101/2020.01.06.895698","DOIUrl":"https://doi.org/10.1101/2020.01.06.895698","url":null,"abstract":"Mutation signatures represent unique sequence footprints of somatic mutations resulting from specific DNA mutagenic and repair processes; however, their causal associations and potential utility for genome research remain largely unknown. In this study, we performed PanCancer-scale correlative analyses to identify the genomic features associated with tumor mutation burdens (TMB) and individual mutation signatures. We observed that TMB was correlated with tumor purity, ploidy, and the level of aneuploidy, as well as with the expression of cell proliferation-related genes representing genomic covariates in evaluating TMB. Correlative analyses of mutation signature levels with genes belonging to DNA damage-repair processes revealed that deficiencies of NHEJ1 and ALKBH3 may elevate TMB levels in cancer genomes accompanying APOBEC overactivity and DNA mismatch repair deficiency, respectively. We further employed a strategy to identify feature-driven, de novo mutation signatures and demonstrated they can be reconstructed using known causal features such as APOBEC overexpression, MLH1 underexpression, POLE mutations, and the level of homologous recombination deficiency. We further demonstrated, that tumor hypoxia-related mutation signatures are similar to those associated with APOBEC suggesting that APOBEC-related mutagenic activity mediates hypoxia-related mutational consequences in cancer genomes, and also, that mutation signatures can be further used to predict hypoxic tumors. Taken together, our study advances mutation signature-level mechanistic insights in cancer genomes, extending categories of cancer-relevant mutation signatures and their potential biological implications. Author summary Mutation signature analysis is powerful in deciphering the causative mutagenic events and their contributions in individual cancer genomes, but the causal relationship of individual mutation signatures are still largely unknown. PanCancer-scaled correlative analysis revealed mutation resource candidates in cancer genomes such as NHEJ1 and ALKBH3 deficiencies that may facilitate the accumulation of mutations in the setting of APOBEC overactivity and DNA mismatch repair deficiency, respectively. A feature-driven mutation discovery approach was employed to identify the mutation signatures representing homologous recombination deficiency and tumor hypoxia, the extent of which may serve as mutation-based phenotypic measures, previously estimated by DNA copy number alterations and mRNA expression signatures, respectively. Our study advances our understanding into the mechanistic insights of mutation signatures and proposes a method to utilize somatic mutations as a molecular proxy in terms of mutation signatures.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48497540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The interaction between gut microbiome and nutrients on development of human disease through epigenetic mechanisms 肠道微生物群和营养物质通过表观遗传机制在人类疾病发展中的相互作用
Genomics & informatics Pub Date : 2019-09-01 DOI: 10.5808/GI.2019.17.3.e24
Ho-Sun Lee
{"title":"The interaction between gut microbiome and nutrients on development of human disease through epigenetic mechanisms","authors":"Ho-Sun Lee","doi":"10.5808/GI.2019.17.3.e24","DOIUrl":"https://doi.org/10.5808/GI.2019.17.3.e24","url":null,"abstract":"Early environmental exposure is recognized as a key factor for long-term health based on the Developmental Origins of Health and Disease hypothesis. It considers that early-life nutrition is now being recognized as a major contributor that may permanently program change of organ structure and function toward the development of diseases, in which epigenetic mechanisms are involved. Recent researches indicate early-life environmental factors modulate the microbiome development and the microbiome might be mediate diet-epigenetic interaction. This review aims to define which nutrients involve microbiome development during the critical window of susceptibility to disease, and how microbiome modulation regulates epigenetic changes and influences human health and future prevention strategies.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42891114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Editor’s introduction to this issue (G&I 17:3, 2019) 编者对本期的介绍(G&I 17:3, 2019)
Genomics & informatics Pub Date : 2019-09-01 DOI: 10.5808/GI.2019.17.3.e22
T. Park
{"title":"Editor’s introduction to this issue (G&I 17:3, 2019)","authors":"T. Park","doi":"10.5808/GI.2019.17.3.e22","DOIUrl":"https://doi.org/10.5808/GI.2019.17.3.e22","url":null,"abstract":"","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47288740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Direct-to-consumer genetic testing: advantages and pitfalls. 直接面向消费者的基因检测:优点和缺点。
Genomics & informatics Pub Date : 2019-09-01 Epub Date: 2019-09-26 DOI: 10.5808/GI.2019.17.3.e33
Bermseok Oh
{"title":"Direct-to-consumer genetic testing: advantages and pitfalls.","authors":"Bermseok Oh","doi":"10.5808/GI.2019.17.3.e33","DOIUrl":"https://doi.org/10.5808/GI.2019.17.3.e33","url":null,"abstract":"<p><p></p>","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":"17 3","pages":"e33"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6808639/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41224610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
De novo transcriptome sequencing and gene expression profiling with/without B-chromosome plants of Lilium amabile 带/不带B染色体植物的无芒百合从头转录组测序和基因表达谱
Genomics & informatics Pub Date : 2019-09-01 DOI: 10.5808/gi.2019.17.3.e27
Doori Park, Jong-Hwa Kim, Nam-Soo Kim
{"title":"De novo transcriptome sequencing and gene expression profiling with/without B-chromosome plants of Lilium amabile","authors":"Doori Park, Jong-Hwa Kim, Nam-Soo Kim","doi":"10.5808/gi.2019.17.3.e27","DOIUrl":"https://doi.org/10.5808/gi.2019.17.3.e27","url":null,"abstract":"Supernumerary B chromosomes were found in Lilium amabile (2n = 2x = 24), an endemic Korean lily that grows in the wild throughout the Korean Peninsula. The extra B chromosomes do not affect the host-plant morphology; therefore, whole transcriptome analysis was performed in 0B and 1B plants to identify differentially expressed genes. A total of 154,810 transcripts were obtained from over 10 Gbp data by de novo assembly. By mapping the raw reads to the de novo transcripts, we identified 7,852 differentially expressed genes (log2FC > |10|), in which 4,059 and 3,794 were up-and down-regulated, respectively, in 1B plants compared to 0B plants. Functional enrichment analysis revealed that various differentially expressed genes were involved in cellular processes including the cell cycle, chromosome breakage and repair, and microtubule formation; all of which may be related to the occurrence and maintenance of B chromosomes. Our data provide insight into transcriptomic changes and evolution of plant B chromosomes and deliver an informative database for future study of B chromosome transcriptomes in the Korean lily.","PeriodicalId":94288,"journal":{"name":"Genomics & informatics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45989871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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