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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. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
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mRNA Extraction from Gill Tissue for RNA-sequencing.

Jukka-Pekka Verta1,2, Felicity Jones2

  • 1Organismal and Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland.

Bio-Protocol
|March 4, 2021
PubMed
Summary

This study presents a new bead-based RNA extraction protocol for fish gills, overcoming challenges with traditional methods. This method enables efficient gene expression analysis for studying adaptation in vertebrate models.

Keywords:
Direct mRNA extractionGene expression evolutionGene regulationGillsTranscriptome sequencing

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Area of Science:

  • Evolutionary biology
  • Genomics
  • Molecular biology

Background:

  • Adaptation involves changes in gene expression.
  • Threespine stickleback are a model organism for studying adaptive gene expression.
  • Fish gills exhibit physiological adaptations impacting gene expression.

Purpose of the Study:

  • To develop an efficient RNA extraction protocol for fish gill tissue.
  • To enable high-quality RNA sequencing (RNA-seq) for gene expression studies.
  • To provide a scalable protocol for diverse tissue types.

Main Methods:

  • A bead-based mRNA extraction protocol was developed, avoiding purification columns.
  • The protocol was optimized for small, challenging tissue samples like fish gills.
  • The method is scalable for various sample sizes and tissue types.

Main Results:

  • Successful high-quality RNA extraction from fish gill tissue.
  • Demonstrated the utility of the protocol for transcriptome RNA-seq.
  • The protocol is adaptable for both animal and plant tissues.

Conclusions:

  • The bead-based protocol offers an effective alternative to column-based RNA extraction for gene expression studies.
  • This method facilitates research into the genetic basis of adaptation using model organisms.
  • The protocol's scalability supports a wide range of transcriptomic research applications.