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Related Concept Videos

Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
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...
Ribosome Profiling02:24

Ribosome Profiling

Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA molecules by RNA...
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA molecules by RNA...

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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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Proteogenomics.

Santosh Renuse1, Raghothama Chaerkady, Akhilesh Pandey

  • 1Institute of Bioinformatics, International Technology Park, Bangalore, Karnataka, India.

Proteomics
|January 20, 2011
PubMed
Summary
This summary is machine-generated.

Proteogenomics integrates genome sequencing with mass spectrometry proteomics for accurate gene and protein identification. This approach enhances genome annotation, identifies disease variants, and discovers biomarkers, paving the way for future genomic research centers.

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Area of Science:

  • Genomics and Proteomics
  • Bioinformatics
  • Molecular Biology

Background:

  • High-throughput DNA sequencing enables whole-genome studies across many species.
  • Genome annotation heavily relies on gene prediction algorithms, which have limitations.
  • Mass spectrometry-based proteomics now provides comprehensive protein sequence data.

Purpose of the Study:

  • To leverage proteomic data for improved genome annotation.
  • To identify novel genes, splice isoforms, and validate predicted genomic features.
  • To explore the application of proteogenomics in disease research and biomarker discovery.

Main Methods:

  • Integration of high-throughput DNA sequencing data with mass spectrometry proteomics data.
  • Utilizing proteogenomic approaches to analyze and validate genomic information.
  • Application of proteogenomics for identifying protein variants and studying genome variation.

Main Results:

  • Proteogenomics enables accurate identification of novel genes and splice isoforms.
  • Validation of predicted exons and genes is improved through proteomic evidence.
  • Identification of disease-causing protein variants and potential protein biomarkers.

Conclusions:

  • Proteogenomics is a powerful approach for enhancing genome annotation accuracy.
  • This integrated strategy facilitates the discovery of genetic variations and disease-related proteins.
  • Proteogenomics is expected to be a routine methodology in future Genome and Proteome Centers.