Widespread Antisense Transcription in Wheat
Author Information
Author(s): Rebecca L. Poole, Gary L. A. Barker, Kay Werner, Gaia F. Biggi, Jane Coghill, J. George Gibbings, Jim M. Dunwell, Keith J. Edwards
Primary Institution: University of Bristol
Hypothesis
Can SAGE tags reveal the presence of antisense transcription in the wheat transcriptome?
Conclusion
The study indicates that antisense transcripts are widespread in the wheat transcriptome and may play a significant role in regulating gene expression during grain development.
Supporting Evidence
- SAGE is a reliable technique for studying the hexaploid wheat transcriptome.
- Evidence of alternative polyadenylation was found within the 3' untranslated regions.
- No strong evidence for widespread alternative splicing was observed.
- Antisense transcripts were found to be widespread and may regulate gene expression.
Takeaway
Scientists studied wheat to see if there are hidden messages in its genes. They found many 'backwards' messages that might help control how the wheat grows.
Methodology
The study used Long SAGE to analyze gene expression in wheat at 14 days post anthesis, generating and annotating 71,930 tags from six libraries.
Potential Biases
Potential biases may arise from the use of fuzzy matching in tag annotation, which could lead to incorrect gene assignments.
Limitations
The study is limited by the lack of a complete genome sequence for wheat, which complicates tag annotation.
Digital Object Identifier (DOI)
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