Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Genome Annotation and Assembly03:36

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
RNA-seq03:21

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
Genomic DNA in Eukaryotes00:58

Genomic DNA in Eukaryotes

Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comparative transcriptomics among peach, almond and their interspecific F1 hybrid reveal key common and species-specific regulatory pathways involved in fruit development.

BMC plant biology·2026
Same author

The non-conventional peptidome of Arabidopsis flower development.

Plant physiology·2026
Same author

From wing movements to cues and signals: mechanisms and functions of flight-generated sounds in insects.

The Journal of experimental biology·2026
Same author

Integrated multi-omics analyses reveal that p-coumaroyl-CoA 2'-hydroxylases act upstream of stilbene synthases to mediate oxyresveratrol biosynthesis in mulberry (Morus alba).

Plant communications·2026
Same author

Standardized Protocols and Bioinformatic Pipelines for Conducting DAP-seq Experiments in Non-model Plant Crops.

Methods in molecular biology (Clifton, N.J.)·2026
Same author

Inferring Gene Networks from High-Throughput Transcriptomes.

Methods in molecular biology (Clifton, N.J.)·2026

Related Experiment Video

Updated: Jun 11, 2026

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine
10:40

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine

Published on: December 22, 2017

AEGIS: an annotation extraction and genomic integration resource.

David Navarro-Payá1, Antonio Santiago1,2, Amandine Velt3

  • 1Institute for Integrative Systems Biology (I2SysBio, CSIC-UV), Valencia, 46980, Spain.

Bioinformatics (Oxford, England)
|June 9, 2026
PubMed
Summary

Genome annotation files (GFF3/GTF) often have inconsistencies. AEGIS (Annotation Extraction and Genomic Integration Suite) is a new toolkit that parses, standardizes, and validates these files, enabling robust comparative genomics.

Related Experiment Videos

Last Updated: Jun 11, 2026

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine
10:40

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine

Published on: December 22, 2017

Area of Science:

  • Bioinformatics
  • Genomics
  • Computational Biology

Background:

  • Genome annotation files (GFF3/GTF) are essential for genomic feature data storage.
  • Formatting inconsistencies in these files create bottlenecks for downstream bioinformatics analyses.
  • A unified framework is needed for parsing, standardizing, and validating genome annotations to ensure interoperability.

Purpose of the Study:

  • To present AEGIS (Annotation Extraction and Genomic Integration Suite), a toolkit for parsing, correcting, and standardizing genome annotations.
  • To provide advanced modules for feature extraction and comparative genomic analysis.
  • To integrate multiple lines of evidence for assessing gene model correspondence and inferring orthology.

Main Methods:

  • AEGIS is implemented in Python.
  • It offers modules for flexible feature extraction (e.g., coding sequences, promoters).
  • It integrates sequence homology, synteny, and coordinate-based lift-overs for orthology inference.

Main Results:

  • AEGIS quantifies structural changes between Arabidopsis annotation versions.
  • It identifies high-confidence orthologues across diverse plant genomes.
  • The toolkit facilitates robust comparative genomic tasks.

Conclusions:

  • AEGIS provides a comprehensive solution for genome annotation quality control and standardization.
  • It enables advanced comparative genomic analyses, including orthology inference.
  • The toolkit enhances interoperability and facilitates complex genomic tasks.