仲恺农业工程学院学报
仲愷農業工程學院學報
중개농업공정학원학보
JOURNAL OF ZHONGKAI UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
2012年
1期
11-15
,共5页
周玲艳%秦华明%周海%杨家伟%庄楚雄
週玲豔%秦華明%週海%楊傢偉%莊楚雄
주령염%진화명%주해%양가위%장초웅
水稻(Oryza%sativa%L.)%OsCER4基因%原核表达%多克隆抗体
水稻(Oryza%sativa%L.)%OsCER4基因%原覈錶達%多剋隆抗體
수도(Oryza%sativa%L.)%OsCER4기인%원핵표체%다극륭항체
rice (Oryza sativa L. )%OsCER4 gene%prokaryotie expression%polyclonal antibody
利用PCR方法扩增水稻(Oryza sativa L.)蜡质基因OsCER4的开放阅读框(Open reading frame,ORF),并克隆到原核表达载体pET-23d上,将表达载体OsCER4-pET转入大肠杆菌(Escherichia coli)B121(DE3)菌株,以1.2mmol/L的异丙基-β-D-硫代吡喃半乳糖苷(Isopropyl β-D-thiogalactoside,IPTG)诱导表达融合蛋白,然后以融合蛋白作为抗原免疫家兔,制备多克隆抗体.SDS-PAGE电泳分析结果表明,成功诱导表达了分子量约为71.6kD的融合蛋白,而Western blot检测表明,免疫家兔的抗血清与水稻幼苗总蛋白杂交信号较好.0sCER4抗体的制备有助于研究OsCER4基因的表达特性.
利用PCR方法擴增水稻(Oryza sativa L.)蠟質基因OsCER4的開放閱讀框(Open reading frame,ORF),併剋隆到原覈錶達載體pET-23d上,將錶達載體OsCER4-pET轉入大腸桿菌(Escherichia coli)B121(DE3)菌株,以1.2mmol/L的異丙基-β-D-硫代吡喃半乳糖苷(Isopropyl β-D-thiogalactoside,IPTG)誘導錶達融閤蛋白,然後以融閤蛋白作為抗原免疫傢兔,製備多剋隆抗體.SDS-PAGE電泳分析結果錶明,成功誘導錶達瞭分子量約為71.6kD的融閤蛋白,而Western blot檢測錶明,免疫傢兔的抗血清與水稻幼苗總蛋白雜交信號較好.0sCER4抗體的製備有助于研究OsCER4基因的錶達特性.
이용PCR방법확증수도(Oryza sativa L.)사질기인OsCER4적개방열독광(Open reading frame,ORF),병극륭도원핵표체재체pET-23d상,장표체재체OsCER4-pET전입대장간균(Escherichia coli)B121(DE3)균주,이1.2mmol/L적이병기-β-D-류대필남반유당감(Isopropyl β-D-thiogalactoside,IPTG)유도표체융합단백,연후이융합단백작위항원면역가토,제비다극륭항체.SDS-PAGE전영분석결과표명,성공유도표체료분자량약위71.6kD적융합단백,이Western blot검측표명,면역가토적항혈청여수도유묘총단백잡교신호교호.0sCER4항체적제비유조우연구OsCER4기인적표체특성.
The ORF of OsCER4 gene in rice was obtained by PCR and cloned into the prokaryotic expres- sion vector pET-23d, then the resulting recombinant vector was introduced into Escherichia coli strain BL21 (DE3) and induced to express the OsCER4 fusion protein by 1.2 mmolfL isopropyl-β-D-thiogal- actoside (IPTG). The OsCER4 fusion protein was used as antigen to immune rabbits. The results showed that the protein of 71.6 kD was expressed successfully by induction with IPTG and the polyclonal antibodies were obtained by using OsCER4 fusion protein as antigen to immune rabbits and the immuno- logical specificity of the polyclonal antibody to OsCER4 was confirmed by Western blot analysis. The preparation of OsCER4 antibodies was contributed to detect the expression pattern of OsCER4 gene in rice.