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Transformation of ACC Synthase Gene in Tree Peony, PsACS1, into Nicotiana tabacum

机译:Reg Synthase基因在树牡丹,PSACS1中转化为Nicotiana Tabacum

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Ethylene plays important roles in the regulation of a number of physiological and developmental processes, and is involved in flower opening and senescence of many species.Further researches have been demonstrating that 1-aminocyclopropane-1-carboxylate synthase (ACC synthase, ACS) is a key enzyme regulating the ethylene biosynthetic pathway.To clarify the function of PsACS1 in tree peony, we constructed the sense expression vector of PsACS1 and transferred it into Nicotiana tabacum.Total RNA from the petals of cut tree peony (Paeonia suffruticosa 'Luoyang Hong') was obtained using the CTAB method.The full length eDNA of PsACS1 was cloned by PCR with primers added BamHI and SalI site sequence and transformed into pGM-T vector.After digestion with BamHI and SalI,PsACS1 was ligated with plant expression vector pBI121N in the sense way and the sense plant expression vetor pBIN-35S::PsACS1 was successfully constructed.Moreover, pBIN-35S::PsACS1 was transferred into Agrobacterium tumefaciens GV3101 and then transformed into Nicotiana tabacum 'NC89' through leaf discs.The adventitious shoots and plants were obtained under the selection pressure of 100 mg/L kanamycin.PCR analysis confirmed that PsACS1 was successfully transferred into the genome of Nicotiana tabacum.
机译:乙烯在法规中起重要作用,并参与了许多物种的花开口和衰老。研究已经证明了1-氨基环丙烷-1-羧酸盐合酶(ACC合酶,AC)是a键酶调节乙烯生物合成途径。为了澄清PSACS1在树牡丹中的功能,我们构建了PSACS1的感觉表达载体,并将其转化为烟草树牡丹的花瓣(Paeonia sufforyosa'Luoyang Hong')使用CTAB方法获得。通过PCR用引物加入BamHI和Sali位点序列的PSACS1全长EDNA,并转化成PGM-T载体。用BamHI和Sali消化,用植物表达载体PBI121n连接Psacs1。感知方式和感觉植物表达vetor pbin-35s :: psacs1已成功构建.Orous,PBIN-35S :: PSACS1转移到Tumefacien中转移到Agrobacterium小号GV3101然后通过叶discs.The不定芽和植物的100毫克的选择压力下获得的转化到烟草“NC89” / L kanamycin.PCR分析证实PsACS1被成功转移至烟草的基因组中。

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