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Related Concept Videos

RNA-seq03:21

RNA-seq

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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. 
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Real Time RT-PCR02:57

Real Time RT-PCR

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Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
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Ribosomal RNA Synthesis

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Ribosome synthesis is a highly complex and coordinated process involving more than 200 assembly factors. The synthesis and processing of ribosomal components occurs not only in the nucleolus but also in the nucleoplasm and the cytoplasm of eukaryotic cells.
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RNA Stability01:53

RNA Stability

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Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
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RNA Structure01:19

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The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
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RNA Structure01:23

RNA Structure

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Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
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Author Spotlight: AQRNA-seq Role in Mapping Small RNAs and Unraveling Protein Translation Mechanisms
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Quantifying and Storing RNA.

Michael R Green, Joseph Sambrook

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    This summary is machine-generated.

    Accurate RNA quantification is crucial for downstream analysis. Ultraviolet spectrophotometry is suitable for pure samples, while fluorescent dye methods are better for impure or low-concentration RNA. Proper storage preserves RNA integrity.

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    Area of Science:

    • Molecular Biology
    • Biochemistry

    Background:

    • Accurate quantification of Ribonucleic acid (RNA) is a prerequisite for various molecular analyses.
    • RNA quantification methods are broadly categorized into ultraviolet (UV) spectrophotometric and fluorescent dye-based techniques.

    Purpose of the Study:

    • To provide an overview of spectrophotometric and fluorescent dye-based RNA quantification methods.
    • To discuss optimal storage strategies for purified RNA preparations.

    Main Methods:

    • Ultraviolet (UV) spectrophotometry measures UV absorption by purine and pyrimidine bases.
    • Fluorescent dye-based methods assess fluorescence intensity upon dye binding to nucleic acids.

    Main Results:

    • UV spectrophotometry offers simple and accurate quantification for pure RNA samples.
    • Fluorescent dye methods are preferred for samples with impurities or low RNA concentrations.
    • Proper RNA storage is essential to prevent degradation from RNase contamination.

    Conclusions:

    • The choice of RNA quantification method depends on sample purity and concentration.
    • Appropriate storage conditions are vital for maintaining RNA sample integrity and reliability for downstream applications.