Computational prediction and molecular confirmation of Helitron transposons in the maize genome
2008
Identifying Helitron Transposons in Maize
Sample size: 5
publication
Evidence: moderate
Author Information
Author(s): Du Chunguang, Caronna Jason, He Limei, Dooner Hugo K
Primary Institution: Montclair State University
Hypothesis
Can we develop a computational tool to identify Helitron transposons in the maize genome?
Conclusion
The HelitronFinder program identified 140 new Helitron candidates in maize, with four out of five confirmed by empirical methods.
Supporting Evidence
- Four out of five predicted Helitrons were confirmed by PCR assays.
- The HelitronFinder program identified two head-to-head dissimilar Helitrons in a maize BAC sequence.
- Helitrons can insert immediately adjacent to an existing Helitron.
- Helitrons may not always insert at an AT dinucleotide in host sequences.
Takeaway
Scientists created a computer program to find special DNA pieces in corn, and it worked really well, finding many new pieces.
Methodology
A heuristic searching algorithm in PERL was developed to identify Helitrons from maize DNA sequences.
Limitations
The study primarily focused on HelA type Helitrons and may not cover all Helitron types.
Digital Object Identifier (DOI)
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