Rdna Intergenic Spacer
Rdna Intergenic Spacer - Related Videos
06:02
A Computational Pipeline for Intergenic/Intragenic Enhancer RNA Quantification in Mouse Embryonic Stem Cells
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2025
This protocol provides a streamlined computational pipeline for quantifying nascent enhancer transcripts. By integrating chromatin accessibility, chromatin feature, and transcriptional data, it enables accurate detection and strand-specific analysis of enhancer activity in complex intragenic regions, while remaining accessible to researchers without extensive bioinformatics training.
08:51
Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR (RS-PCR)
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Cited by 9 •
2016
Here, ribosomal spacer PCR (RS-PCR) is used together with a miniaturized electrophoresis system as a fast and high resolution method for genotyping S. aureus at moderate costs allowing a high throughput.
06:55
Transfection of a Molecular Clone of Naegleria gruberi rDNA into N. gruberi Trophozoites
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2024
This protocol describes a methodology to transfect Naegleria gruberi trophozoites with a construct that is maintained throughout passaging trophozoites in vitro, as well as through encystment and excystment.
10:17
Laboratory Protocol for Genetic Gut Content Analyses of Aquatic Macroinvertebrates Using Group-specific rDNA Primers
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Cited by 7 •
2017
Most common gut content analyses of macroinvertebrates are visual. Requiring intense knowledge about morphological diversity of prey organisms, they miss soft bodied prey and, due to strong comminution of prey, are nearly impossible for some organisms, including amphipods. We provide detailed, novel genetic approaches for macroinvertebrate prey identification in the diet of amphipods.
13:16
Assessment of DNA Contamination in RNA Samples Based on Ribosomal DNA
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Cited by 26 •
2018
Here, we present a protocol for tracing genomic DNA (gDNA) contamination in RNA samples. The presented method utilizes primers specific for the internal transcribed spacer region (ITS) of ribosomal DNA (rDNA) genes. The method is suited for reliable and sensitive detection of DNA contamination in most eukaryotes and prokaryotes.
FAQs
Regulatory sequences in the spacer can influence rRNA gene transcription through promoter activity and local chromatin organization. Chromatin organization refers to how DNA is arranged with associated proteins, affecting access to transcriptional machinery. This makes the spacer relevant not only as a noncoding interval, but also as a region for studying how rDNA arrays regulate ribosome-related gene expression.
Variation in spacer sequence and length can differ among species and strains, creating molecular patterns useful for comparison. Because these differences occur in a region associated with repeated rDNA arrays, researchers can use them as markers alongside broader genetic characterization. The resulting distinctions may help separate closely related microorganisms or identify different infectious agents.
Repetitive elements are one type of sequence found within some intergenic spacers and may contribute to the organization of the surrounding rDNA region. Their presence, together with regulatory sequences, gives the spacer structural and regulatory features beyond its position between transcription units. Studying these elements can therefore connect sequence variation with genome organization and rRNA transcription.
Researchers compare the spacer's sequence and length across microorganisms, species, or strains. These measurements provide molecular markers that can reveal differences within the rDNA array and support classification. In infection-focused studies, the comparisons can be used to distinguish agents and examine relationships among isolates, without relying on the spacer to encode ribosomal RNA.
The analysis is useful when researchers need molecular information for pathogen classification, surveillance, or distinguishing infectious agents. Differences among species and strains can provide markers for organizing microorganisms into meaningful groups. This makes the approach relevant to studies that track pathogen diversity and support identification within immunology and infection research.
Its regulatory sequences and local chromatin effects provide a way to investigate genome organization around rRNA transcription units. Because rRNA-related activity is connected in the source material with studies of growth, analyzing spacer features may help researchers examine how genomic organization relates to growth and host adaptation. The approach supplies context rather than directly measuring those biological outcomes.