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Related Concept Videos

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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...
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 Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
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...

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Updated: May 13, 2026

A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes
09:10

A Fast and Quantitative Method for Post-translational Modification and Variant Enabled Mapping of Peptides to Genomes

Published on: May 22, 2018

GEnomes Management Application (GEM.app): a new software tool for large-scale collaborative genome analysis.

Michael A Gonzalez1, Rafael F Acosta Lebrigio, Derek Van Booven

  • 1Dr. John T. Macdonald Foundation Department of Human Genetics and John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, Florida, USA.

Human Mutation
|March 7, 2013
PubMed
Summary
This summary is machine-generated.

A new software tool, GEM.app, helps manage and analyze large genomic datasets for identifying genetic causes of disease. It empowers non-bioinformaticians, accelerating gene discovery for Mendelian and complex disorders.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Medical Genetics

Background:

  • Rapid identification of novel genes for Mendelian and complex disorders presents challenges in managing large genomic datasets.
  • Smaller labs and research teams face difficulties in direct analysis and interpretation of variant data.
  • Data sharing among global research teams is crucial for increasing gene discovery opportunities.

Purpose of the Study:

  • To develop a user-friendly software tool, GEM.app, for annotating, managing, visualizing, and analyzing large genomic datasets.
  • To address the challenges of data management and analysis for non-bioinformaticians in genomic research.
  • To facilitate the identification of genetic causes for human diseases by making next-generation sequencing data more accessible.

Main Methods:

  • Development of the GEnomes Management Application (GEM.app) software.
  • Inclusion of approximately 1,600 whole exomes from 50 phenotypes, contributed by 40 principal investigators across 15 countries.
  • Implementation of user-friendly analysis features with powerful filtering options (single family, cross-family/phenotype, nested filtering, segregation analysis).

Main Results:

  • GEM.app provides efficient management and analysis of large-scale genomic data.
  • The software enables non-bioinformaticians to perform direct, hands-on analysis of variant data.
  • Analysis across approximately 1,200 exomes is achieved within 4 seconds, demonstrating system speed.

Conclusions:

  • GEM.app enhances the ability to identify genetic causes of human diseases.
  • The tool democratizes access to next-generation sequencing data analysis for a wider research community.
  • Facilitating collaborative data analysis through GEM.app is expected to accelerate genetic discovery.