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Updated: Mar 26, 2026

Leveraging CyVerse Resources for De Novo Comparative Transcriptomics of Underserved Non-model Organisms
Published on: May 9, 2017
Assembly, Assessment, and Availability of De novo Generated Eukaryotic Transcriptomes
Joanna Moreton1, Abril Izquierdo2, Richard D Emes1
1Advanced Data Analysis Centre, Sutton Bonington Campus, University of NottinghamLeicestershire, UK; School of Veterinary Medicine and Science, Sutton Bonington Campus, University of NottinghamLeicestershire, UK.
De novo transcriptome assembly offers a cost-effective alternative to genome sequencing for understanding gene expression. This method aids in discovering novel RNA variants and comparing biological samples without a reference genome.
Area of Science:
- Transcriptomics
- Genomics
- Bioinformatics
Background:
- De novo transcriptome assembly provides a valuable alternative to genome sequencing, especially for eukaryotes where genome generation is costly.
- Transcriptomics enables the study of spatial and temporal gene expression, and comparisons across individuals or species.
- This approach facilitates the discovery of alternative splice forms and non-coding RNAs often missed by other methods.
Purpose of the Study:
- To highlight the utility of de novo transcriptome assembly.
- To discuss the advantages of transcriptomics over traditional genomics.
- To address the challenges in assessing transcriptome quality and data discoverability.
Main Methods:
- De novo assembly algorithms for transcriptome reconstruction without a reference genome.
- Analysis of coding and non-coding RNAs, including alternative splicing.
- Evaluation of transcriptome assembly quality and appropriateness.
Main Results:
- De novo assembly allows for comprehensive transcriptome reconstruction, including novel RNA discoveries.
- Transcriptomic data facilitates comparative analyses across diverse biological samples.
- Existing algorithms and software simplify transcriptome generation, increasing its adoption.
Conclusions:
- De novo transcriptome assembly is a powerful tool for biological research, offering insights beyond genome sequencing.
- Assessing the quality and ensuring the discoverability of transcriptomic data are crucial for maximizing its utility.
- Further development is needed to standardize pipelines and enhance the comparability of transcriptomic datasets for complex biological systems.
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