E3S Web Conf.
Volume 292, 20212021 2nd International Conference on New Energy Technology and Industrial Development (NETID 2021)
|Number of page(s)||4|
|Section||Environmental Sustainable Development and Industrial Transformation|
|Published online||09 September 2021|
Initial Characterization and Expression Pattern Analysis of Tobacco (Nicotiana Tabacum) 2-Hydroxyisoflavanone Dehydratasedase Gene
1 College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China
2 College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China
3 Research and Development Center, China Tobacco Yunnan Industrial Co.,Ltd, Kunming 650106, China
* Corresponding author: email@example.com
The complete mRNA sequence of one tobacco (nicotiana tabacum) gene—2-hydroxyisoflavanone dehydratasedase, was amplified using the rapid amplification of cDNA ends methods based on one tobacco EST. The full-length tobacco 2-hydroxyisoflavanone dehydratasedase gene mRNA was 1,278bp containing a 966 bp open reading frame, which encodes a protein of 321 amino acids. Sequence analysis revealed that the 2-hydroxyisoflavanone dehydratasedase of tobacco shares high homology with the 2-hydroxyisoflavanone dehydratasedase of nicotiana tomentosiformis(99%), capsicum annuum(78%), potato(75%), lycopersicon pennellii(73%) and lycopersicon esculentum(72%). BLAST analysis within the tobacco high throughout genomic sequences database revealed that this gene has no intron and is a single exon gene. Results also showed that tobacco 2-hydroxyisoflavanone dehydratasedase gene has a closer genetic relationship with the 2-hydroxyisoflavanone dehydratasedase gene of nicotiana tomentosiformis. Tissue expression profile analysis revealed that the tobacco 2-hydroxyisoflavanone dehydratasedase gene was highly expressed in leaf and flower, but moderately expressed in root and stem. Our experiment established the foundation for further research on this tobacco gene.
© The Authors, published by EDP Sciences, 2021
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