Construction of SOC1 Gene Expression Vector and Bioinformatic Analysis in Fraxinus mandschurica
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Abstract
To study the role of flowering regulation gene SOC1 in Fraxinus mandschurica, We cloned the fulllength coding region sequence of SOC1 from Fraxinus mandschurica. Sequence analysis showed that the gene is 654 bp in length, encoding a protein of 218 amino acid. The gene has the highest similarity with Antirrhinum majus MADSbox transcription factor DEFH68 gene, the nucleotide similarity is 78%. The gene has MADSbox domain, Kdomains, multiple DNA binding sites and phosphorylation sites, so it is a transcription factor of MADSbox family. In this study, we successfully constructed a Fraxinus mandschurica SOC1 gene plant expression vector pROKⅡ-35S∶∶SOC1 with the use of double digestion method, laying a solid foundation for the further genetic transformation in Fraxinus mandschurica.
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