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尖孢镰刀菌古巴专化型4号生理小种中FoGAS1基因的克隆与序列分析 被引量:1

Cloning and Bioinformatics Analysis of FoGAS1 Gene in Fusarium oxysporum f. sp. cubense Race 4
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摘要 采用PCR和RT-PCR的方法,从尖孢镰刀菌古巴专化型4号生理小种中克隆得到了FoGAS1基因的DNA及cDNA序列,并运用生物信息学的方法对该基因所编码的氨基酸序列进行分析,预测其编码蛋白质的结构和功能。结果表明,FoGAS1基因全长1 672 bp,其中开放阅读框全长1 623 bp,编码含有540个氨基酸残基的蛋白质,该蛋白分子量为58398.1,等电点pI=4.83,为性质稳定的亲水性蛋白。FoGAS1蛋白为跨膜蛋白,含有22个丝氨酸磷酸化位点,2个苏氨酸磷酸化位点,8个酪氨酸磷酸化位点。该蛋白在C端有一个信号肽结构,为一种分泌蛋白。通过系统进化树分析,该蛋白在不同种属镰刀菌中高度保守。 The objective of this study is to clone the full-length DNA and cDNA sequence of Gas1 gene from Fusarium oxysporum f. sp. cubense Race 4 and analysis Fsr1 gene amino acid sequence through bioinformatics method. The full length of FoGAS1 gene was 1 672 bp containing a 1 623 bp open reading frame(ORF) that encoded a stable protein with 540 amino acid residues. The molecular weight of FoGAS1 protein is 58 398.1 and pI=4.83.FoGAS1 is a transmembrane protein cotains 22 Ser phosphorylation sites, 2 Thr phosphorylation sites and 8 Tyr phosphorylation sites. FoGAS1 protein is a secreted protein has a signal peptide structure in C-terminal. The FoGAS1 protein is highly conserved in different species of Fusarium by phylogeneticanalysis.
出处 《基因组学与应用生物学》 CAS CSCD 北大核心 2014年第4期796-801,共6页 Genomics and Applied Biology
基金 国家公益性行业(农业)科研专项"由尖孢镰刀菌引起的作物土传病害综合防控技术研究"(No.200903049) 海南大学"211工程"建设项目 海南省研究生创新科研课题(S201308) 海南大学环境与植物保护学院研究生创新平台共同资助
关键词 FOC4 GAS1 生物信息学分析 FOC4 GAS1 Bioinformatics analysis
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