Study of Genes in Cryptomeria japonica Male Strobili
Author Information
Author(s): Futamura Norihiro, Totoki Yasushi, Toyoda Atsushi, Igasaki Tomohiro, Nanjo Tokihiko, Seki Motoaki, Sakaki Yoshiyuki, Mari Adriano, Shinozaki Kazuo, Shinohara Kenji
Primary Institution: Forestry and Forest Products Research Institute, Japan
Hypothesis
Large-scale analysis of expressed sequence tags (ESTs) in the male strobili of C. japonica will clarify gene expression during pollen development.
Conclusion
The study provides insights into gene expression during the development of male reproductive organs in C. japonica and identifies potential allergens.
Supporting Evidence
- The study identified 10,463 unique transcripts from 19,437 cDNA clones.
- Approximately 80% of the transcripts resembled ESTs from other conifers.
- 180 transcripts exhibited significant homology to known pollen allergens.
Takeaway
Scientists looked at the genes in the male flowers of a tree called Cryptomeria japonica to understand how they grow and to find out if they cause allergies.
Methodology
A full-length enriched cDNA library was constructed from RNA derived from male strobili at various developmental stages, resulting in 36,011 expressed sequence tags (ESTs).
Limitations
The study may not cover all gene expressions due to the complexity of the genome and the limited number of cDNA clones analyzed.
Digital Object Identifier (DOI)
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