Abstract:
:Despite gene expression programs being notoriously complex, RNA abundance is usually assumed as a proxy for transcriptional activity. Recently developed approaches, able to disentangle transcriptional and post-transcriptional regulatory processes, have revealed a more complex scenario. It is now possible to work out how synthesis, processing and degradation kinetic rates collectively determine the abundance of each gene's RNA. It has become clear that the same transcriptional output can correspond to different combinations of the kinetic rates. This underscores the fact that markedly different modes of gene expression regulation exist, each with profound effects on a gene's ability to modulate its own expression. This review describes the development of the experimental and computational approaches, including RNA metabolic labeling and mathematical modeling, that have been disclosing the mechanisms underlying complex transcriptional programs. Current limitations and future perspectives in the field are also discussed.
journal_name
Brief Bioinformjournal_title
Briefings in bioinformaticsauthors
Furlan M,de Pretis S,Pelizzola Mdoi
10.1093/bib/bbaa389subject
Has Abstractpub_date
2020-12-22 00:00:00eissn
1467-5463issn
1477-4054pii
6043290pub_type
杂志文章abstract::While the number of sequenced genes is increasing dramatically, the number of different protein structural families is expected to be more limited. Changes in enzymatic activity or protein interactions can dramatically modify the role of homologous proteins in different organisms or mutants. However, experimental data...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/2.1.30
更新日期:2001-03-01 00:00:00
abstract::As one of the most important fundamental problems in protein sequence analysis, protein remote homology detection is critical for both theoretical research (protein structure and function studies) and real world applications (drug design). Although several computational predictors have been proposed, their detection p...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bby104
更新日期:2018-11-07 00:00:00
abstract::Daily work in molecular biology presently depends on a large number of computational tools. An in-depth, large-scale study of that 'ecosystem' of Web tools, its characteristics, interconnectivity, patterns of usage/citation, temporal evolution and rate of decay is crucial for understanding the forces that shape it and...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bby001
更新日期:2019-07-19 00:00:00
abstract:UNLABELLED:So-called next-generation sequencing (NGS) has provided the ability to sequence on a massive scale at low cost, enabling biologists to perform powerful experiments and gain insight into biological processes. BamView has been developed to visualize and analyse sequence reads from NGS platforms, which have bee...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbr073
更新日期:2013-03-01 00:00:00
abstract::The use of microarray technology to measure gene expression on a genome-wide scale has been well established for more than a decade. Methods to process and analyse the vast quantity of expression data generated by a typical microarray experiment are similarly well-established. The Affymetrix Exon 1.0 ST array is a rel...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbq086
更新日期:2011-11-01 00:00:00
abstract::Nucleosomes contribute to compacting the genome into the nucleus and regulate the physical access of regulatory proteins to DNA either directly or through the epigenetic modifications of the histone tails. Precise mapping of nucleosome positioning across the genome is, therefore, essential to understanding the genome ...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbu037
更新日期:2015-07-01 00:00:00
abstract::In view of great difficulties in the pathogenesis analysis of Alzheimer's disease (AD) presently, profiling the modifiable risk factors is crucial for early detection and intervention of AD. However, the causal associations among them have yet to be identified, and the effective integration and application of these da...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa213
更新日期:2020-09-21 00:00:00
abstract::Understanding the interconnections of microbial pathogenicity phenomena, such as biofilm formation, quorum sensing and antimicrobial resistance, is a tremendous open challenge for biomedical research. Progress made by wet-lab researchers and bioinformaticians in understanding the underlying regulatory phenomena has be...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章,评审
doi:10.1093/bib/bbt071
更新日期:2015-01-01 00:00:00
abstract::Biological knowledge can be inferred from three major levels of information: molecules, organisms and ecologies. Bioinformatics is an established field that has made significant advances in the development of systems and techniques to organize contemporary molecular data; biodiversity informatics is an emerging discip...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章,评审
doi:10.1093/bib/bbm037
更新日期:2007-09-01 00:00:00
abstract::The products of multi-exon genes are a mixture of alternatively spliced isoforms, from which the translated proteins can have similar, different or even opposing functions. It is therefore essential to differentiate and annotate functions for individual isoforms. Computational approaches provide an efficient complemen...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbv109
更新日期:2016-11-01 00:00:00
abstract::The structural description of peptide ligands bound to G protein-coupled receptors (GPCRs) is important for the discovery of new drugs and deeper understanding of the molecular mechanisms of life. Here we describe a three-stage protocol for the molecular docking of peptides to GPCRs using a set of different programs: ...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa109
更新日期:2020-06-10 00:00:00
abstract::DNA methylation plays an essential role in cancer. Differential variability (DV) in cancer was recently observed that contributes to cancer heterogeneity and has been shown to be crucial in detecting epigenetic field defects, DNA methylation alterations happening early in carcinogenesis. As neighboring CpG sites are h...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbx097
更新日期:2019-01-18 00:00:00
abstract::The residence of spliceosomal introns within protein-coding genes can fluctuate over time, with genes gaining, losing or conserving introns in a complex process that is not entirely understood. One approach for studying intron evolution is to compare introns with respect to position and type within closely related gen...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbp051
更新日期:2009-11-01 00:00:00
abstract::Effective drug discovery contributes to the treatment of numerous diseases but is limited by high costs and long cycles. The Quantitative Structure-Activity Relationship (QSAR) method was introduced to evaluate the activity of a large number of compounds virtually, reducing the time and labor costs required for chemic...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa276
更新日期:2020-11-03 00:00:00
abstract::Occurrence and development of cancers are governed by complex networks of interacting intercellular and intracellular signals. The technology of single-cell RNA sequencing (scRNA-seq) provides an unprecedented opportunity for dissecting the interplay between the cancer cells and the associated microenvironment. Here w...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbz040
更新日期:2020-05-21 00:00:00
abstract:OBJECTIVE:Development of novel informatics methods focused on improving pregnancy outcomes remains an active area of research. The purpose of this study is to systematically review the ways that artificial intelligence (AI) and machine learning (ML), including deep learning (DL), methodologies can inform patient care d...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa369
更新日期:2021-01-06 00:00:00
abstract::Lipidomics, the systematic study of the lipid composition of a cell or tissue, is an invaluable complement to knowledge gained by genomics and proteomics research. Mass spectrometry provides a means to detect hundreds of lipids in parallel, and this includes low abundance species of lipids. Nevertheless, frequently oc...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbs030
更新日期:2013-05-01 00:00:00
abstract::Computational biology is essential in the process of translating biological knowledge into clinical practice, as well as in the understanding of biological phenomena based on the resources and technologies originating from the clinical environment. One such key contribution of computational biology is the discovery of...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbp008
更新日期:2009-07-01 00:00:00
abstract::Most of current gene expression signatures for cancer prognosis are based on risk scores, usually calculated as some summaries of expression levels of the signature genes, whose applications require presetting risk score thresholds and data normalization. In this study, we demonstrate the critical limitations of such ...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbv064
更新日期:2016-03-01 00:00:00
abstract::While leading to millions of people's deaths every year the treatment of viral infectious diseases remains a huge public health challenge.Therefore, an in-depth understanding of human-virus protein-protein interactions (PPIs) as the molecular interface between a virus and its host cell is of paramount importance to ob...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa425
更新日期:2021-01-30 00:00:00
abstract::The number of bioinformatics tools and resources that support molecular and cell biology approaches is continuously expanding. Moreover, systems and network biology analyses are accompanied more and more by integrated bioinformatics methods. Traditional information-centered university teaching methods often fail, as (...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbt024
更新日期:2013-09-01 00:00:00
abstract::Glycosylation of proteins is involved in immune defense, cell-cell adhesion, cellular recognition and pathogen binding and is one of the most common and complex post-translational modifications. Science is still struggling to assign detailed mechanisms and functions to this form of conjugation. Even the structural ana...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章,评审
doi:10.1093/bib/bbs045
更新日期:2013-05-01 00:00:00
abstract::Pathway enrichment analysis has been widely used to identify cancer risk pathways, and contributes to elucidating the mechanism of tumorigenesis. However, most of the existing approaches use the outdated pathway information and neglect the complex gene interactions in pathway. Here, we first reviewed the existing wide...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbx091
更新日期:2019-01-18 00:00:00
abstract::Competitive endogenous RNA (ceRNA) represents a novel layer of gene regulation that controls both physiological and pathological processes. However, there is still lack of computational tools for quickly identifying ceRNA regulation. To address this problem, we presented an R-package, CeRNASeek, which allows identifyi...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa048
更新日期:2020-05-04 00:00:00
abstract::Numerous studies have shown that copy number variation (CNV) in lncRNA regions play critical roles in the initiation and progression of cancer. However, our knowledge about their functionalities is still limited. Here, we firstly provided a computational method to identify lncRNAs with copy number variation (lncRNAs-C...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbz113
更新日期:2020-12-01 00:00:00
abstract::A class-imbalanced classifier is a decision rule to predict the class membership of new samples from an available data set where the class sizes differ considerably. When the class sizes are very different, most standard classification algorithms may favor the larger (majority) class resulting in poor accuracy in the ...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章,评审
doi:10.1093/bib/bbs006
更新日期:2013-01-01 00:00:00
abstract:MOTIVATION:With the recent advances in DNA sequencing technologies, the study of the genetic composition of living organisms has become more accessible for researchers. Several advances have been achieved because of it, especially in the health sciences. However, many challenges which emerge from the complexity of sequ...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章,评审
doi:10.1093/bib/bby072
更新日期:2019-11-27 00:00:00
abstract::Deoxyribonucleic acid replication is one of the most crucial tasks taking place in the cell, and it has to be precisely regulated. This process is initiated in the replication origins (ORIs), and thus it is essential to identify such sites for a deeper understanding of the cellular processes and functions related to t...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa304
更新日期:2020-11-25 00:00:00
abstract::SARS-CoV-2 is an intensively investigated virus from the order Nidovirales (Coronaviridae family) that causes COVID-19 disease in humans. Through enormous scientific effort, thousands of viral strains have been sequenced to date, thereby creating a strong background for deep bioinformatics studies of the SARS-CoV-2 ge...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa385
更新日期:2020-12-21 00:00:00
abstract::Fibrosis is a key component in the pathogenic mechanism of a variety of diseases. These diseases involving fibrosis may share common mechanisms and therapeutic targets, and therefore common intervention strategies and medicines may be applicable for these diseases. For this reason, deliberately introducing anti-fibros...
journal_title:Briefings in bioinformatics
pub_type: 杂志文章
doi:10.1093/bib/bbaa115
更新日期:2020-06-22 00:00:00