Related Experiment Video
Updated: Jun 11, 2025

11:40
Characterization of Neuronal Lysosome Interactome with Proximity Labeling Proteomics
Published on: June 23, 2022
2.4K
APEX2 proximity labeling of RNA in bacteria
Hadi Yassine1,2, Jared M Schrader3, Omer Goldberger3
1Department of Biology, Indiana University, Bloomington, IN, 47405, USA.
Biorxiv : the Preprint Server for Biology
|September 30, 2024
Summary
Researchers need faster ways to study bacterial RNA localization. Current methods are too slow for short-lived bacterial messenger RNAs (mRNAs), limiting our understanding of gene regulation.
Area of Science:
- Bacterial molecular biology
- RNA biology
- Gene expression regulation
Background:
- Distinct RNAs are known to localize to specific subcellular locations in bacteria.
- Investigating RNA localization in bacteria is currently limited to imaging or laborious ribonucleoprotein complex isolation techniques like grad-seq, HITS-CLIP, or Rloc-seq.
Purpose of the Study:
- To address the technical challenge posed by the short half-life of bacterial mRNAs.
- To highlight the need for rapid methods to study RNA localization and interaction partners in bacteria.
Main Methods:
- The abstract does not specify the methods used in the study but discusses limitations of existing techniques.
- Highlights the limitations of current imaging and ribonucleoprotein complex isolation methods.
Main Results:
- The abstract does not present specific results but identifies a critical challenge in the field.
- Bacterial mRNAs have a short lifespan (minutes), which is often shorter than the time required for current localization experiments.
Conclusions:
- There is a significant need for the development of rapid experimental approaches.
- Faster methods are crucial for accurately studying mRNA localization and dynamics in bacterial systems.
Related Concept Videos
Ribosome Profiling
3.5K
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...
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...
3.5K
Labeling DNA Probes
8.1K
DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
8.1K
RNA-seq
9.8K
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...
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
9.8K
Bacterial RNA Polymerase
29.3K
Unlike eukaryotes, bacteria use a single RNA Polymerase (RNAP) to transcribe all genes. The different subunits of bacterial RNAPhave distinct functions. The multisubunit structure of the bacterial RNAP helps the enzyme to maintain catalytic function, facilitate assembly, interact with DNA and RNA, and self-regulate its activity.
In most genes, the transcription site is a single base present upstream of the coding sequence. Though RNAP is a catalytically efficient enzyme, it does not recognize...
In most genes, the transcription site is a single base present upstream of the coding sequence. Though RNAP is a catalytically efficient enzyme, it does not recognize...
29.3K
Types of RNA
63.3K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
63.3K

