首页|荔枝转录因子LcZAT 12的克隆与表达分析

荔枝转录因子LcZAT 12的克隆与表达分析

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为探究LcZAT12在荔枝果实发育成熟中的作用,以禾荔及禾荔晚熟芽变突变株MS1、MS2作为试材,克隆出LcZAT12全长序列,并对其进行生物信息学分析,并采用实时荧光定量技术分析LcZAT12在荔枝不同组织及在果实不同发育时期中果皮和种子中的表达模式.结果表明,LcZAT12全长429 bp,编码氨基酸142个;利用在线网站对LcZAT12的蛋白性质进行预测显示,该蛋白位于细胞核,磷酸化以丝氨酸为主,无信号肽与跨膜结构域,蛋白质二级结构以α螺旋和不规则卷曲为主.氨基酸同源序列比对结果显示,LcZAT蛋白含有两个高度保守的结构域;系统进化树分析发现,LcZAT12蛋白与糖槭和漾濞槭的同源蛋白亲缘关系最近;时空表达模式表明,LcZAT12蛋白可能在荔枝果实发育期起关键作用.
Cloning and expression analysis of transcription factor LcZAT12 in litchi
To investigate the role of LcZAT12 in the development and maturation of litchi fruits,the full-length sequence of LcZAT12 was cloned from Heli and its late-maturing bud mutant strains MS1 and MS2,and bioinformatics analysis was performed.By using real-time fluorescence quantitative technology,the ex-pression patterns of LcZAT12 in different tissues and organs of litchi,as well as in the peel and seed during fruit development were analyzed.The results showed that the total length of LcZAT12 is 429 bp,and encodes a protein with 142 amino acids.The protein properties of LcZAT12 was predicted using online websites.It was found that the protein is located in the nucleus,and the phosphorylation is mainly serine,without signal peptides or transmembrane domains.The secondary structure of the protein is mainly Alpha helix and Random coil.The amino acid homologous sequence alignment results showed that LcZAT protein contained two highly conserved domains.The phylogenetic tree analysis revealed that the LcZAT12 protein had the closest relation-ship with homologous proteins of Acer saccharum and A.yangbiense.The spatiotemporal expression pattern suggested that the LcZAT12 protein may play a crucial role in the development of litchi fruits.

litchiLcZAT12 transcription factorbioinformatics analysisexpression patternfruit develop-ment

卿昊炜、张树伟、莫啸、易晨歆、郭慧勤、韦金菊、吴子昂、徐炯志、贾海锋、邱海吉、张艳青、丁峰

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广西壮族自治区农业科学院/广西作物遗传改良生物技术重点开放实验室,南宁,530007

广西大学农学院,南宁,530004

广西壮族自治区农业科学院园艺研究所,南宁,530007

荔枝 LcZAT12转录因子 生物信息学 表达量 果实发育

2024

中国南方果树
中国农业科学院柑桔研究所

中国南方果树

CSTPCD北大核心
影响因子:0.527
ISSN:1007-1431
年,卷(期):2024.53(6)