Abstract:In order to study the function of betaine aldehyde dehydrogenase gene from Suaeda glauca, the full-length cDNA of BADH gene, which was named as SgBADH was cloned from Suaeda glauca by homologous clone strategy. The SgBADH gene was analyzed through the bioinformatic method and expression pattern. Bioinformatic analysis showed that SgBADH encoded a 500 amino acids hydrophilic protein, which was predicted to be located in chloroplast. Further analysis showed that, SgBADH gene was induced by NaCl and abscisic acid (ABA) treatments, suggesting that it may play an important role in salt tolerance of S. glauca.At the same time, SgBADH gene was inserted into a plant expression vector and transformed into Agrobacterium tumefacions strain EHA105, which laid a foundation for further studying the BADH function and molecular mechanism involved in salt resistance of S. glauca.