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Proteomics

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...

Ribosome Profiling

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...

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Related Experiment Video

Updated: Dec 23, 2025

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells

Published on: August 5, 2016

Proteomics of Brucella.

Ansgar Poetsch^1,2,3, María Inés Marchesini⁴

¹Center for Marine and Molecular Biotechnology, QNLM, Qingdao 266237, China.

|April 26, 2020

Summary

This summary is machine-generated.

Proteomics reveals key insights into Brucella pathogenesis, detailing how these Gram-negative bacteria invade and survive within host cells. This research highlights new protein candidates and hypotheses for future study of Brucella infections.

Keywords:

antibiotic targets bacterial virulence brucellosis exoproteome host cell interaction immunoproteomics proteogenomics

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Area of Science:

Microbiology
Proteomics
Bacteriology

Background:

Brucella spp. are Gram-negative intracellular bacteria causing brucellosis, a global zoonotic disease.
Understanding Brucella's ability to invade, survive, and multiply within host cells is crucial for combating brucellosis.
Proteomics has emerged as a powerful tool for elucidating the molecular mechanisms of Brucella pathogenesis.

Purpose of the Study:

To review recent advancements and findings in Brucella proteomics.
To highlight the contribution of proteomics to understanding Brucella biology, including host-cell interactions and antibiotic resistance.
To explore novel findings on intracellular bacterial proteomes and proteomic profiles of infected tissues.

Main Methods:

Review of recent scientific literature focusing on proteomics studies of Brucella.
Analysis of technological advancements in proteomics, such as improved instrument performance and multiplexed quantification.
Examination of proteomic data related to Brucella intracellular survival, host-cell interaction, and pathogenesis.

Main Results:

Proteomics has provided significant insights into Brucella pathogenesis, host-cell interactions, stress responses, and antibiotic targets.
Recent studies have revealed the reconfiguration of the intracellular bacterial proteome and proteomic profiles of infected tissues.
Identification of Brucella extracellular proteins with potential roles in cell signaling and pathogenesis.

Conclusions:

Proteomics has generated numerous novel candidates and hypotheses requiring further experimental validation.
Proteomics is an invaluable tool for Brucella research, with future applications expected in areas like protein processing and post-translational modifications.
Continued proteomic studies will deepen our understanding of Brucella virulence and inform the development of new diagnostic and therapeutic strategies.